UNH 2012.12.31 10-K
 
 
 
 
 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
 
 
 
Form 10-K
 
 
 
 
 
x
ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2012
or
o
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
Commission file number: 1-10864
__________________________________________________________ 
UnitedHealth Group Incorporated
(Exact name of registrant as specified in its charter)
 
Minnesota
 
41-1321939
(State or other jurisdiction of
incorporation or organization)
 
(I.R.S. Employer
Identification No.)
 
 
 
UnitedHealth Group Center
9900 Bren Road East
Minnetonka, Minnesota
 
55343
(Address of principal executive offices)
 
(Zip Code)
(952) 936-1300
(Registrant’s telephone number, including area code)
______________________________________________________  
Securities registered pursuant to Section 12(b) of the Act:
COMMON STOCK, $.01 PAR VALUE
NEW YORK STOCK EXCHANGE, INC.
(Title of each class)
(Name of each exchange on which registered)
Securities registered pursuant to Section 12(g) of the Act: NONE
__________________________________________________________  
Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.   Yes x No o
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.     Yes o No x
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No o
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes x No o
Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.   o
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one)
Large accelerated filer
x
 
Accelerated filer
o
 
Non-accelerated filer
o
 
Smaller reporting company
o
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes o No x
The aggregate market value of voting stock held by non-affiliates of the registrant as of June 30, 2012 was $59,444,144,483 (based on the last reported sale price of $58.50 per share on June 30, 2012, on the New York Stock Exchange).*
As of January 31, 2013, there were 1,024,925,324 shares of the registrant’s Common Stock, $.01 par value per share, issued and outstanding.
Note that in Part III of this report on Form 10-K, we incorporate by reference certain information from our Definitive Proxy Statement for the 2013 Annual Meeting of Shareholders. This document will be filed with the Securities and Exchange Commission (SEC) within the time period permitted by the SEC. The SEC allows us to disclose important information by referring to it in that manner. Please refer to such information.
*
Only shares of voting stock held beneficially by directors, executive officers and subsidiaries of the Company have been excluded in determining this number.
 
 
 
 
 



UNITEDHEALTH GROUP
Table of Contents
 
 
 
Page
 
 
 
Part I
Item 1.
Item 1A.
Item 1B.
Item 2.
Item 3.
Item 4.
Part II
Item 5.
Item 6.
Item 7.
Item 7A.
Item 8.
Item 9.
Item 9A.
Item 9B.
Part III
Item 10.
Item 11.
Item 12.
Item 13.
Item 14.
Part IV
Item 15.



Table of Contents


PART I
ITEM  1.    BUSINESS
INTRODUCTION
Overview
UnitedHealth Group is a diversified health and well-being company whose mission is to help people live healthier lives and help make health care work better (the terms “we,” “our,” “us,” “UnitedHealth Group,” or the “Company” used in this report refer to UnitedHealth Group Incorporated and our subsidiaries).
We are helping individuals access quality care at an affordable cost; simplifying health care administration and delivery; strengthening the physician/patient relationship; promoting evidence-based care; and empowering physicians, health care professionals, consumers, employers and other participants in the health system with actionable data to make better, more informed decisions.
Through our diversified family of businesses, we leverage core competencies in advanced, enabling technology; health care data, information and intelligence; and clinical care management and coordination to help meet the demands of the health system. These core competencies are deployed within our two distinct, but strategically aligned, business platforms: health benefits operating under UnitedHealthcare and health services operating under Optum.
UnitedHealthcare provides network-based health care benefits for a full spectrum of customers in the health benefits market. UnitedHealthcare Employer & Individual serves employers ranging from sole proprietorships to large, multi-site and national employers, as well as students and other individuals, and will serve TRICARE West Region members beginning April 1, 2013. UnitedHealthcare Medicare & Retirement delivers health and well-being benefits for Medicare beneficiaries and retirees. UnitedHealthcare Community & State manages health care benefit programs on behalf of state Medicaid and community programs and their participants. UnitedHealthcare International includes Amil Participações S.A (Amil), a health care company providing health benefits and hospital and clinical services to individuals in Brazil, and other diversified global health businesses.
Optum is a health services business serving the broad health care marketplace, including payers, care providers, employers, government, life sciences companies and consumers, through its OptumHealth, OptumInsight and OptumRx businesses. These businesses have dedicated units that drive improved delivery, quality and cost effectiveness across eight business markets: integrated care delivery, care management, consumer engagement and support, distribution of benefits and services, health financial services, operational services and support, health care information technology and pharmacy.
Through UnitedHealthcare and Optum, in 2012, we managed nearly $150 billion in aggregate health care spending on behalf of the constituents and consumers we served. Our revenues are derived from premiums on risk-based products; fees from management, administrative, technology and consulting services; sales of a wide variety of products and services related to the broad health and well-being industry; and investment and other income. Our two business platforms have four reportable segments:
UnitedHealthcare, which includes UnitedHealthcare Employer & Individual, UnitedHealthcare Medicare & Retirement, UnitedHealthcare Community & State and UnitedHealthcare International;
OptumHealth;
OptumInsight; and
OptumRx.
For our financial results and the presentation of certain other financial information by segment, see Note 13 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements.”
UnitedHealthcare
UnitedHealthcare is advancing strategies to improve the way health care is delivered and financed, offering consumers a simpler, more affordable health care experience. Our market position is built on:
a national scale;
the breadth of our product offerings, which are responsive to many distinct market segments in health care;
strong local market relationships;
service and advanced technology;
competitive medical and operating cost positions;

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effective clinical engagement;
extensive expertise in distinct market segments; and
a commitment to innovation.
The financial results of UnitedHealthcare Employer & Individual, UnitedHealthcare Medicare & Retirement, UnitedHealthcare Community & State and UnitedHealthcare International have been aggregated in the UnitedHealthcare reportable segment due to their similar economic characteristics, products and services, customers, distribution methods, operational processes and regulatory environment. The domestic businesses also share significant common assets, including our contracted networks of physicians, health care professionals, hospitals and other facilities, information technology infrastructure and other resources. UnitedHealthcare utilizes the expertise of UnitedHealth Group affiliates for capabilities in specialized areas, such as OptumRx pharmacy benefit products and services, certain OptumHealth product offerings and care management and integrated care delivery services and OptumInsight health information and technology solutions, consulting and other services. UnitedHealthcare arranges for discounted access to care through networks that include a total of nearly 780,000 physicians and other health care professionals and approximately 5,900 hospitals and other facilities across the United States (UnitedHealthcare Network).
UnitedHealthcare Employer & Individual
UnitedHealthcare Employer & Individual works closely with employers and individuals to provide health benefit plans that provide solutions to help members live healthier lives and achieve meaningful cost savings. UnitedHealthcare Employer & Individual offers a comprehensive array of consumer-oriented health benefit plans and services for large national employers, public sector employers, mid-sized employers, small businesses and individuals nationwide, providing nearly 27 million Americans access to health care as of December 31, 2012.
Through its risk-based product offerings, UnitedHealthcare Employer & Individual assumes the risk of both medical and administrative costs for its customers in return for a monthly premium, which is typically at a fixed rate per individual served for a one-year period. When providing administrative and other management services to customers that elect to self-fund the health care costs of their employees and employees’ dependants, UnitedHealthcare Employer & Individual receives a fixed service fee per individual served. These customers retain the risk of financing medical benefits for their employees and employees’ dependants, while UnitedHealthcare Employer & Individual provides customized services such as coordination and facilitation of medical and related services to customers, consumers and health care professionals, transaction processing and access to a contracted network of physicians, hospitals and other health care professionals, including dental and vision. Large employer groups, such as those serviced by UnitedHealthcare Employer & Individual National Accounts, typically use self-funded arrangements. As of December 31, 2012, UnitedHealthcare Employer & Individual National Accounts served 395 large employer groups under these arrangements, including 147 of the Fortune 500 companies. Smaller employer groups are more likely to purchase risk-based products because they are less willing or able to bear a greater potential liability for health care expenditures. UnitedHealthcare Employer & Individual also offers a variety of non-employer based insurance options for purchase by individuals, including students, which are designed to meet the health coverage needs of these consumers and their families.
As the commercial market becomes more consumer-oriented, individuals are assuming more personal and financial responsibility for their care, and they are demanding more affordable products, greater transparency and choice and personalized help navigating the complex system. The consolidated purchasing capacity represented by the individuals UnitedHealth Group serves makes it possible for UnitedHealthcare Employer & Individual to contract for cost-effective access to a large number of conveniently located care professionals. Individuals served by UnitedHealthcare Employer & Individual have access to 91% of the physicians and other health care professionals and 95% of the hospitals in the broad UnitedHealthcare Network; certain care providers are available only to those consumers served through Medicare and/or Medicaid products.
UnitedHealthcare Employer & Individual is engaging physicians and consumers and using information to promote well-informed health decisions, improved medical outcomes and greater efficiency. It offers consumers engaging and informative tools and resources that provide greater transparency around quality and cost, such as the Premium Designation® program and Health4Me for Apple® and Android® phones, myHealthcareCost Estimator, Health Care Lane and myuhc.com. These easy-to-use resources support better consumer decisions, affording members more control over their health care.
UnitedHealthcare Employer & Individual’s distribution system consists primarily of producers (i.e., brokers and agents) and direct and internet sales in the individual market, producers in the small employer group market, and consultant-based or direct sales for larger employer and public sector segments. In recent years, the distribution model has been diversified to include professional employer organizations, associations, and private equity partners. UnitedHealthcare Employer & Individual offers its products through affiliates that are licensed as insurance companies, health maintenance organizations (HMOs), or third party administrators (TPAs).

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UnitedHealthcare Employer & Individual’s diverse product portfolio offers a continuum of benefit designs, price points and approaches to consumer engagement, and allows the flexibility to meet the needs of employers of all sizes as well as individuals shopping for health benefits coverage. UnitedHealthcare Employer & Individual emphasizes local markets and leverages its national scale to adapt products quickly to meet specific market needs. UnitedHealthcare Employer & Individual’s major product families include:
Traditional Products. Traditional products include a full range of medical benefits and network options from managed plans such as Choice and Options PPO to more traditional indemnity offerings. The plans offer a full spectrum of covered services, including preventive care, direct access to specialists and catastrophic protection.
Consumer Engagement Products and Tools. Consumer engagement products couple plan design with financial accounts to increase employee ownership of their health and well-being. This suite of products includes high-deductible consumer-driven benefit plans, which include health reimbursement accounts (HRAs), health savings accounts (HSAs) and consumer activation services such as personalized multi-channel activation messaging, behavioral incentive programs and consumer education information. During 2012, nearly 42,000 employer-sponsored benefit plans, including more than 200 employers in the large group self-funded market, purchased an HRA or HSA product. The consumer engagement tools provide members with online and/or mobile access to benefit, cost and quality information.
Value-Based Products. UnitedHealthcare Employer & Individual’s suite of consumer incentive products increases individual awareness for heightened consumer responsibility and behavior change across diverse client segments and funding relationships. Examples include: Small Business Wellness, which is a packaged wellness and incentives product offering gym reimbursement and encouraging completion of important wellness activities. For mid-sized clients, SimplyEngaged is a scalable activity-based reward program that ties incentives to completion of health improvement activities, while SimplyEngaged Plus provides richer incentives for achieving health outcome goals. For large, self-funded customers, UnitedHealthcare Health Rewards program offers a flexible incentive design for employers to choose the right activities and biometric outcomes that best fit the needs of their population. Additionally, UnitedHealth Personal Rewards leverages a tailored approach to incentives by combining personalized scorecards with financial incentives for improving biometric scores, compliance with key health treatments and preventive care.
Essential Benefits Products. UnitedHealthcare Employer & Individual’s portfolio of affordable products drives value to consumers with lower-cost products, innovative designs and unique network programs that guide people to physicians recognized for providing quality and cost efficient care to their patients. These approaches are designed to deliver sustainable health care costs, enabling employers to continue to offer their employees coverage at more affordable prices. Products such as Catalyst, Edge, Premium Tiered Benefit Plan, Navigate and CORE offer solutions for employers looking to achieve more affordable costs through tiered benefit plans that enhance benefits in the form of greater coinsurance coverage and/or lower copays for using UnitedHealth Premium designated providers.
Clinical and Pharmacy Products. UnitedHealthcare Employer & Individual offers a comprehensive suite of clinical and pharmacy benefit management programs. The clinical and pharmacy benefit products complement the service offering by improving quality of care, engaging members and providing cost-saving options.
All UnitedHealthcare Employer & Individual members are provided access to clinical products with the goal of helping them make better health care decisions, and thus better use of their medical benefits, with the ultimate goal of improving health and decreasing medical expenses. Each medical plan has a core set of clinical programs embedded in the offering, with additional services available depending on funding type (fully insured and self-funded), line of business (Individual, Small Business, Key Accounts, Public Sector, and National Accounts), and clinical need. The spectrum of clinical programs offered to all consumers, regardless of their health goals – staying healthy, getting healthy, living with a chronic condition includes: wellness, decision support, utilization management, case and disease management, and complex condition management, workplace on-site programs, including Know Your Numbers (biometrics) and flu shots, incentives to reinforce positive behavior change, mental health, substance use disorder management, employer assistance programs and well-being programs. The programs promote consumer engagement, health education, admission counseling before hospital stays, care advocacy to help avoid prolonged patients’ stays in the hospital, support for individuals at risk of needing intensive treatment and coordination of care for people with chronic conditions. Disease and condition management programs help individuals address significant, complex disease states, including disease-specific benefit offerings such as the Diabetes Health Plan.
UnitedHealthcare Employer & Individual’s comprehensive and integrated pharmaceutical management services promote lower costs by using formulary programs to drive better unit costs, encouraging consumers to use drugs that offer better value and outcomes, and through physician and consumer programs that support the appropriate use of drugs based on clinical evidence.

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Specialty Offerings. UnitedHealthcare Employer & Individual also offers a comprehensive range of dental, vision, life, and disability product offerings delivered through an integrated approach that enhances efficiency and effectiveness and includes a network of nearly 55,000 vision professionals in private and retail settings, and nearly 210,000 dental providers.
UnitedHealthcare Military & Veterans. UnitedHealthcare Employer & Individual’s Military & Veterans Services business unit has been awarded the Department of Defense’s (DoD) TRICARE Managed Care Support contract to provide health care services for active duty and retired military service members and their families in the West Region. UnitedHealthcare Military & Veterans Services will be the Managed Care Support contractor serving more than 2.7 million TRICARE beneficiaries in 21 states. The contract includes a transition period and five one-year renewals at the government’s option for health care operations. The first year of operations is anticipated to begin April 1, 2013.
UnitedHealthcare Military & Veterans’ responsibility as a contractor is to augment the military’s direct care system by providing managed care support services, provider networks, medical management, claims/enrollment administration, and customer services. In partnership with government health programs, UnitedHealthcare Military & Veterans’ mission is to improve the health and well-being of both those who currently serve in the military and have served in the military in the past, as well as their families, by providing innovative, high-quality and affordable health care solutions.
UnitedHealthcare Medicare & Retirement
UnitedHealthcare Medicare & Retirement provides health and well-being services to individuals age 50 and older, addressing their unique needs for preventive and acute health care services as well as for services dealing with chronic disease and other specialized issues for older individuals. UnitedHealthcare Medicare & Retirement is fully dedicated to serving this growing senior market segment, providing products and services in all 50 states, the District of Columbia, and most U.S. territories and has distinct pricing, underwriting, clinical program management and marketing capabilities dedicated to risk-based health products and services in this market.
UnitedHealthcare Medicare & Retirement offers a wide spectrum of Medicare products which may be sold to individuals or on a group basis, including Medicare Advantage plans, Medicare Part D prescription drug coverage and Medicare Supplement/Medigap products that supplement traditional fee-for-service coverage. UnitedHealthcare Medicare & Retirement services include care management and clinical management programs, a nurse health line service, 24-hour access to health care information, access to discounted health services from a network of care providers and administrative services.
Premium revenues from the Centers for Medicare & Medicaid Services (CMS) represented 29% of UnitedHealth Group’s total consolidated revenues for the year ended December 31, 2012, most of which were generated by UnitedHealthcare Medicare & Retirement under a number of contracts.
UnitedHealthcare Medicare & Retirement has extensive distribution capabilities and experience, including direct marketing to consumers on behalf of its key clients: AARP, the nation’s largest membership organization dedicated to the needs of people age 50 and over; state and U.S. government agencies; and employer groups. Products are also offered through employer groups to retirees.
UnitedHealthcare Medicare & Retirement’s major product categories include:
Medicare Advantage. UnitedHealthcare Medicare & Retirement provides health care coverage for seniors and other eligible Medicare beneficiaries primarily through the Medicare Advantage program administered by CMS, including Medicare Advantage HMO plans, preferred provider organization (PPO) plans, Point-of-Service (POS) plans, Private-Fee-for-Service plans and Special Needs Plans (SNPs). Under the Medicare Advantage program, UnitedHealthcare Medicare & Retirement provides health insurance coverage in exchange for a fixed monthly premium per member from CMS. Premium amounts vary based on the geographic areas in which members reside; demographic factors such as age, gender, and institutionalized status; and the health status of the individual. UnitedHealthcare Medicare & Retirement had approximately 2.6 million members enrolled in its Medicare Advantage products as of December 31, 2012.
UnitedHealthcare Medicare & Retirement offers innovative care management and clinical programs, integrating federal, state and personal funding through its continuum of Medicare Advantage products. For high-risk patients in certain care settings and programs, UnitedHealthcare Medicare & Retirement uses proprietary, automated medical record software that enables clinical care teams to capture and track patient data and clinical encounters, creating a comprehensive set of care information that bridges across home, hospital and nursing home care settings. Proprietary predictive modeling tools help identify members at high risk and allow care managers to proactively outreach to members to create individualized care plans and help members obtain the right care, in the right place, at the right time.
Prescription Drug Benefit (Part D). UnitedHealthcare provides Medicare prescription drug benefits (Part D) to beneficiaries throughout the United States and its territories through its Medicare Advantage and stand-alone Part D plans. The portfolio of stand-alone Part D plans addresses a large spectrum of beneficiaries’ needs and preferences for their prescription drug coverage, including low cost prescription options. As of December 31, 2012, UnitedHealthcare had enrolled 6.8 million

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members in the Part D program, including 4.2 million members in the stand-alone Part D plans and 2.6 million members in its Medicare Advantage plans incorporating Part D coverage.
Medicare Supplement. UnitedHealthcare Medicare & Retirement is currently serving approximately 4 million seniors through various Medicare Supplement products in association with AARP. We offer plans in all 50 states and most U.S. territories. These products cover varying levels of coinsurance and deductible gaps that seniors are exposed to in the traditional Medicare program.
UnitedHealthcare Community & State
UnitedHealthcare Community & State is dedicated to providing diversified solutions to states’ programs that care for the economically disadvantaged, the medically underserved and those without the benefit of employer-funded health care coverage in exchange for a monthly premium per member from the applicable state. UnitedHealthcare Community & State’s primary customers oversee Medicaid plans, the Children’s Health Insurance Program (CHIP), and other federal, state and community health care programs. States using managed care services for Medicaid beneficiaries select health plans using either a formal bid process, or award individual contracts. As of December 31, 2012, UnitedHealthcare Community & State participates in programs in 25 states and the District of Columbia, serving approximately 3.8 million beneficiaries. UnitedHealthcare Community & State serves populations that range in size from 9,000 people to more than 600,000 people. For those states or counties that choose not to enter into risk arrangements, UnitedHealthcare Community & State offers a variety of management services that leverage its infrastructure and experience, as well as the considerable health care system assets of UnitedHealth Group.
The primary categories of eligibility for the programs served by UnitedHealthcare Community & State include Temporary Assistance for Needy Families (TANF), CHIP, Aged Blind and Disabled, SNPs, Long-Term Care, Childless Adults & Programs, Dual Medicare-Medicaid Eligible (dually eligible) beneficiaries and other federal and state health care programs (e.g., Developmentally Disabled, Rehabilitative Services). The health plans and care programs offered are designed to address the complex needs of the populations they serve, including the chronically ill, those with disabilities and people with higher risk medical, behavioral and social conditions. UnitedHealthcare Community & State leverages the national capabilities of UnitedHealth Group, delivering them at the local market level to support effective care management, regulatory partnerships, greater administrative efficiency, improved clinical outcomes and the ability to adapt to a changing market environment. UnitedHealthcare Community & State coordinates resources among family, physicians, other health care providers, and government and community-based agencies and organizations to facilitate continuous and effective care. For example, the Personal Care Model establishes an ongoing relationship between health care professionals and individuals who have serious and chronic health conditions to help them maintain the best possible health and functional status, whether care is delivered in an acute care setting, long-term care facility or at home. Programs for families and children focus on high-prevalence and debilitating chronic illnesses such as hypertension and cardiovascular disease, asthma, sickle cell disease, diabetes, HIV/AIDS and high-risk pregnancies. Programs for the long-term care population focus on dementia, depression, coronary disease and functional-use deficiencies that impede daily living.
Additionally, there are more than nine million dually eligible beneficiaries who typically have complex conditions with costs of care that are far higher than a typical Medicare or Medicaid beneficiary. While these individuals’ health needs are more complex and more costly, they have historically been in unmanaged environments. As of December 31, 2012, UnitedHealthcare serves more than 250,000 members in legacy dually eligible programs through Medicare Advantage and SNPs. In 2013, UnitedHealthcare Community & State will help implement Ohio’s Integrated Medicare-Medicaid Eligible (MME) program, one of the first in the country under the new CMS design.
UnitedHealthcare International
UnitedHealthcare International provides solutions for consumers of domestic or cross-border health care management, insurance, and administration services; regardless of their geographic location, language or cultural origins. UnitedHealthcare International’s goal is to create business solutions that are based on local infrastructure, culture and needs, and that blend local expertise with experiences from the U.S. health care industry.
Amil. In 2012, UnitedHealthcare International acquired Amil, which provides health and dental benefits to over five million people and also operates 22 acute hospitals, as well as specialty clinics, primary care, and emergency services across Brazil, principally for the benefit of its members. Amil’s patients are also treated in its contracted provider network of 45,000 physicians and other health care professionals, 3,300 hospitals and 12,000 laboratories and diagnostic imaging centers. Amil offers a diversified product portfolio with a wide range of product offerings, benefit designs, price points and values, including indemnity products. Amil’s products include various administrative services such as network access and administration, care management and personal health services and claims processing.

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Other Operations. UnitedHealthcare International also includes other diversified global health services business with a variety of offerings for international customers, including:
Network access and care coordination in the U.S. and overseas;
TPA products and services for health plans and TPAs;
Brokerage services;
Practice management services for care providers;
Government and corporate consulting services for improving quality and efficiency; and
Global expatriate insurance solutions.
See Note 13 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements” for additional information related to the revenues and long-lived assets of the UnitedHealthcare International operations.
Optum
Optum is a health services business serving the broad health care marketplace including:
Those who need care: the consumers and patients who need the right support, information, resources and products to achieve their health goals.
Those who provide care: physicians and other care providers, hospitals and clinical facilities seeking to modernize in ways that enable the best patient care and experience possible, delivered cost-effectively.
Those who pay for care: insurers, employers and government agencies devoted to ensuring that those they sponsor receive high-quality care, administered and delivered efficiently.
Those who innovate for care: life sciences and research focused organizations dedicated to developing more effective approaches, enabling technologies and medicines that improve the delivery and quality of care.
Using advanced data, analytics and technology, Optum helps improve overall health system performance: optimizing care quality, reducing costs and improving the consumer experience and care provider performance. Optum is organized in three segments:
OptumHealth focuses on care management, integrated care delivery, and consumer solutions, including financial services;
OptumInsight delivers operational services and support and health information technology services; and
OptumRx specializes in pharmacy services.
OptumHealth
OptumHealth is a diversified health and wellness business serving the physical, emotional and financial needs of more than 61 million unique individuals and enabling consumer health management and integrated care delivery through programs offered by employers, payers, government entities and, increasingly, directly through the care delivery system. OptumHealth’s products and services can be deployed individually or integrated to provide comprehensive solutions, addressing a broad base of needs within the health care system. OptumHealth’s solutions reduce costs for customers, improve workforce productivity and consumer satisfaction and optimize the overall health and well-being of populations.
OptumHealth offers its products on a risk basis, where it assumes responsibility for health care costs in exchange for a fixed monthly premium per individual served, and on an administrative fee basis whereby it manages or administers delivery of the products or services in exchange for a fixed fee per individual served. For its financial services offerings, OptumHealth charges fees and earns investment income on managed funds.
OptumHealth sells its products primarily through its direct sales force, strategic collaborations and external producers in three markets: employers (which includes the sub-markets of large, mid and small employers), payers (which includes the sub-markets of health plans, TPAs, underwriter/stop-loss carriers and individual market intermediaries) and government entities (which includes states, CMS, DoD, Veterans Administration and other federal procurement). As provider reimbursement models evolve, care providers are emerging as a fourth market for the health management, financial services and integrated care delivery businesses.
OptumHealth is organized into three major operating groups: Care Management, Integrated Care Delivery and Consumer Solutions.

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Care Management. Care Management includes Specialty Networks and Health Management Solutions.
Specialty Networks: Within Specialty Networks, OptumHealth serves over 55 million people in two primary ways: 1) creating access to networks of provider specialists in the areas of behavioral health management (e.g., mental health, substance abuse), global well-being (e.g., international work/life solutions), chronic physical health management (e.g., chiropractic, physical therapy), and complex medical conditions (e.g., transplant, infertility); and 2) managing the care and health needs for consumers through a variety of programs utilizing predictive modeling, evidence-based clinical outcomes management and peer support. Specialty Networks addresses areas likely to have significant variation in clinical practice, where a disciplined, evidence-based approach can drive improved health outcomes and reduced costs. These range from relatively commonly accessed services (e.g., behavioral health and chiropractic) to less common procedures such as transplant, infertility, bariatric surgery and kidney disease/end stage renal disease.
Health Management Solutions: OptumHealth serves more than 40 million people with population health management solutions (e.g., care management and advocacy, health and wellness, and complex conditions including cancer, neonatal and maternity) and decision support solutions (e.g., insurance choices and treatment and health care provider options). This comprehensive solution set empowers consumers to take more control of their health and well-being and enables their collaboration with specialty care providers, which is critical to decisions that drive medical costs, including hospitalization and surgery.
Integrated Care Delivery. Integrated Care Delivery is defined by the types of care delivery support services provided within OptumHealth’s two businesses: Collaborative Care and Logistics Health, Inc. (LHI). Collaborative Care is driven by the recognition that the market is moving to a collaborative network aligned around the concept of total population health management and outcomes based reimbursement. Collaborative Care’s local care delivery systems deploy a core set of technology, risk management, analytical and clinical capabilities and tools to assist physicians in delivering high-quality care across the populations they serve. Collaborative Care’s complex population management services augment primary care physicians to deliver services outside of hospitals to vulnerable, chronically ill populations. Collaborative Care also delivers care to approximately 1 million people through a spectrum of models ranging from medical clinics to contracts with individual practice association networks. LHI designs and implements mobile care delivery solutions, providing occupational health, medical and dental readiness services, treatments and immunization programs for the U.S. military and U.S. Department of Health and Human Services (HHS), as well as for many commercial companies.
Consumer Solutions. Consumer Solutions includes consumer and marketing capabilities, such as distribution and financial services.
Distribution: Connextions is a growth, retention and service solutions company meeting consumer distribution needs in the health care market. Through a combination of technology, campaign management and customer service, Connextions has developed a consumer relationship management and sales distribution platform. Services offered include call center support, software, data analysis, certified insurance brokers and trained nurses, which allow health care payers and providers to acquire, retain, schedule, refer and manage large populations of individual health care consumers. Connextions is also an enabler of health insurance exchange solutions, with private exchange business today.
Financial Services: Dedicated solely to providing financial solutions for the health care market, OptumHealth Financial Services helps organizations and individuals optimize their health care finances. As a leading provider of consumer health care accounts (e.g., HSAs, flexible spending accounts), OptumHealth’s tax-favored accounts enable individuals to save money today and build health savings for the future. Organizations rely upon OptumHealth to manage and improve their cash flows through turnkey electronic payment solutions (e.g., remittance advices, funds transfers), health care-related lending and credit (e.g., financing of care provider medical equipment acquisitions) and financial risk protection for third party payers and self-funded employers (e.g., comprehensive stop loss insurance coverage). Financial services includes Optum Bank. As of December 31, 2012, Financial Services had $1.8 billion in customer assets under management and during 2012 processed $66 billion in medical payments to physicians and other health care providers.
OptumInsight
OptumInsight is a health care information, technology, operational services and consulting company providing software and information products, advisory consulting services, and business process outsourcing services and support to participants in the health care industry. Hospitals, physicians, commercial health plans, government agencies, life sciences companies and other organizations that comprise the health care system work with OptumInsight to reduce costs, meet compliance mandates, improve clinical performance and adapt to the changing health system landscape. As of December 31, 2012, OptumInsight’s products and services are used by four out of five hospitals, tens of thousands of physician practices and other health care facilities, approximately 300 health plans, nearly 400 global life sciences companies, and many government agencies, as well as other UnitedHealth Group businesses.

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Many of OptumInsight’s software and information products, advisory consulting arrangements, and outsourcing contracts are performed over an extended period, often several years. OptumInsight maintains an order backlog to track unearned revenues under these long-term arrangements. The backlog consists of estimated revenue from signed contracts, other legally binding agreements and anticipated contract renewals based on historical experience that either have not started but are anticipated to begin in the near future, or are in process and have not been completed. OptumInsight’s aggregate backlog at December 31, 2012 was $4.6 billion, of which $2.7 billion is expected to be realized within the next 12 months. This includes $1.0 billion related to intersegment agreements, all of which are included in the current portion of the backlog. OptumInsight cannot provide any assurance that it will be able to realize all of the revenues included in backlog due to uncertainty regarding the timing and scope of services, the potential for cancellation, non-renewal, or early termination of service arrangements. OptumInsight’s aggregate backlog at December 31, 2011 was $4.0 billion.



 
OptumInsight’s products and services are sold primarily through a direct sales force. OptumInsight’s products are also supported and distributed through an array of alliance and business partnerships with other technology vendors, who integrate and interface its products with their applications.
OptumInsight’s technology products and services solutions are offered through four integrated market groups. These market groups are care providers (e.g., physician practices and hospitals), commercial payers, governments and life sciences.
Care Providers. The Provider Solutions businesses combine a comprehensive range of technology and information products, advisory consulting, and outsourcing services focused on hospitals, integrated delivery networks, and physician practices. These solutions help drive financial performance, meet compliance requirements and deliver health intelligence and are organized around hospital and physician practice needs for:
Financial Performance Improvement: Provides comprehensive revenue cycle management technology and services, claims integrity and coding solutions, and full business process outsourcing for hospitals and physicians practices to drive higher net patient revenue and lower operational costs;
Quality Measurements and Compliance: Delivers real-time medical necessity reviews and retrospective appeals management services to more than 2,400 hospitals in all 50 states;
Clinical Workflow and Connectivity: Provides high-acuity and ambulatory clinical workflow, clinical cost and performance analytics and benchmarks and electronic medical records software that makes hospital departments and physician practices more efficient, improves patient experience, and enables sharing of clinical data in integrated care settings; and
Accountable Care Solutions: Working with early adopters of Accountable Care Organization models to build the administrative, analytics, compliance, and care management infrastructure to succeed in outcomes-based payment models.
Commercial Payers. OptumInsight’s Payer Solutions group serves clients that offer commercial health insurance or privately administer health insurance programs on behalf of federal or state governments (e.g., Medicare Advantage or Managed Medicaid). The business offers technology, services and consulting capabilities that supplement OptumInsight’s clients’ existing operations, as well as fully outsourced solutions. The business addresses diverse needs for payer clients, serving four primary areas: 
Network Performance: Comprehensive offerings to enhance performance of provider networks and improve population health, including network design, management and operation services, as well as analytical tools that support care management;
Clinical Performance and Compliance: Services that align clinical quality and performance with financial outcomes for payers, such as Medicare risk adjustment and CMS star rating system services and quality improvement consulting;
Operational Efficiency and Payment Integrity: A spectrum of offerings focused on improving the efficiency and cost-effectiveness of payer operations. Solutions assist in addressing a wide variety of operational improvement opportunities such as process improvement and automation, fraud and abuse, claims payment accuracy and coordination of benefits; and
Risk Optimization: Solutions help payers to grow and improve financial performance through predictive analytics and risk management services. Offerings include actuarial services, rating and underwriting products, and membership population modeling, as well as analytics and consulting.

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Governments. OptumInsight Government Solutions helps state and federal governments improve the efficiency and quality of health and human services programs by offering a broad range of solutions including:
Financial Management and Program Integrity: Improves the accuracy and efficiency of provider payments through prospective and retrospective analysis of claims transactions, driving detection of fraud and abuse and checking payment accuracy;
Consulting: Provides policy and compliance consulting including health policy advisory services; and
Data and Analytics Technology and Systems Integration: Measures and identifies opportunities for improvement in cost, network performance, and care management for populations of covered members. Government Solutions builds and manages health care specific data model and warehouse solutions for Federal and State based programs and applies business intelligence to analyze and drive decision making to improve cost, clinical outcomes, and member satisfaction.
Life Sciences. OptumInsight’s Life Sciences business addresses the changing global economic and regulatory competitive landscape by assisting life sciences clients in identifying, analyzing and measuring the value of their products. Life Sciences provides expertise in using real-world evidence to support market access and positioning of products, to deliver strategic regulatory services, to provide insights into patient reported outcomes and to optimize and manage risk to Life Sciences’ clients. Products include:
Market Access and Reimbursement: Utilizes real-world evidence to drive increased drug revenues and pricing and reimbursements strategies;
Health Economics Outcomes and Late Phase Research: decreased commercialization costs through health economics and outcomes research and late phase/Phase IV research studies;
Data and Informatics Services;
Regulatory Consulting: Focuses on design and execution of multi-national regulatory strategies to help clients speed regulatory approval and maintain compliance with dynamic regulations across geographies;
Epidemiology and Drug Safety: Designs and executes epidemiology studies to understand detailed drug safety profiles and build integrated plans to address safety issues with regulators, providers, and patients; and
Patient-Reported Outcomes: Drives collection and understanding of patient reported outcomes to inform comparative effectiveness research, patient engagement and adherence, and population health management.
OptumRx
OptumRx provides a full range of pharmacy benefit management (PBM) services to more than 14 million people nationwide, processing over 350 million adjusted retail, mail and specialty drug prescriptions and managing more than $25 billion in pharmaceutical spending annually. Its PBM services include benefit plan design and consultation, claims processing, manufacturer rebate contracting and administration, retail pharmacy network management services, mail order and specialty pharmacy services, Medicare Part D services, and a variety of clinical services, such as formulary management and compliance, drug utilization review and disease and drug therapy management services. The mail order and specialty pharmacy fulfillment capabilities of OptumRx are an important strategic component of its business, providing patients with convenient access to maintenance medications, offering a broad range of complex drug therapies and patient management services for individuals with chronic health conditions, and enabling OptumRx to manage its clients’ drug costs through operating efficiencies and economies of scale.  
OptumRx provides PBM services to nearly all members enrolled in the benefit plans that offer pharmacy benefits of UnitedHealthcare’s Medicare & Retirement and Community & State businesses and also serves a portion of UnitedHealthcare’s Employer & Individual’s commercial members. In 2013, OptumRx will in-source approximately 12 million of UnitedHealthcare’s commercial members who currently receive PBM services from Express Scripts’ subsidiary, Medco Health Solutions, Inc. OptumRx also provides PBM services to non-affiliated external clients, including public and private sector employer groups, insurance companies, Taft-Hartley Trust Funds, TPAs, managed care organizations, Medicare-contracted plans, Medicaid plans and other sponsors of health benefit plans and individuals throughout the U.S. OptumRx’s distribution system consists primarily of health insurance brokers and other health care consultants and direct sales.
GOVERNMENT REGULATION
Most of our health and well-being services are regulated by U.S. federal and state as well as non-U.S. regulatory agencies that generally have discretion to issue regulations and interpret and enforce laws and rules. These regulations can vary significantly from jurisdiction to jurisdiction, and the interpretation of existing laws and rules also may change periodically. The Patient Protection and Affordable Care Act and a reconciliation measure, the Health Care and Education Reconciliation Act of 2010, which we refer to together as the Health Reform Legislation, were signed into law in the first quarter of 2010 and, after being

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challenged, were substantially upheld in a U.S. Supreme Court decision in the second quarter of 2012. The Health Reform Legislation, portions of which are summarized below, alters the regulatory environment in which we operate, in some cases to a significant degree. U.S. federal and state governments continue to enact and consider various legislative and regulatory proposals that could materially impact certain aspects of the health care system. New laws, regulations and rules, or changes in the interpretation of existing laws, regulations and rules, as well as a result of changes in the political climate, could adversely affect our business.
In the event we fail to comply with, or we fail to respond quickly and appropriately to changes in, applicable laws, regulations and rules, our business, results of operations, financial position and cash flows could be materially and adversely affected. See Item 1A, “Risk Factors” for a discussion of the risks related to compliance with federal, state and international laws and regulations.
Health Care Reforms
The Health Reform Legislation expands access to coverage and modifies aspects of the commercial insurance market, as well as the Medicaid and Medicare programs, CHIP and other aspects of the health care system. Certain provisions of the Health Reform Legislation have already taken effect and other provisions become effective at various dates over the next several years. The U.S. Department of Labor (DOL), HHS and the U.S. Treasury Department have issued or proposed regulations on a number of aspects of Health Reform Legislation, but final rules and interim guidance on other key aspects of the legislation remain pending.
The following outlines certain provisions of the Health Reform Legislation that are currently effective, currently effective with phased implementation or are expected to take effect in the coming years.
Currently Effective: The Health Reform Legislation mandated the expansion of dependant coverage to include adult children until age 26; eliminated certain annual and lifetime caps on the dollar value of certain essential health benefits; eliminated pre-existing condition limits for enrollees under age 19; prohibited certain policy rescissions; prohibited plans and issuers from charging higher cost sharing (copayments or coinsurance) for emergency services that are obtained outside of a plan’s network; and included a requirement to provide coverage for preventive services without cost to members (for non-grandfathered plans).
Commercial fully insured health plans in the large employer group, small employer group and individual markets with medical loss ratios below certain targets (85% for large employer groups, 80% for small employer groups and 80% for individuals, as calculated under the definitions in the Health Reform Legislation and regulations, subject to state specific exceptions) are required to rebate ratable portions of their premiums to their customers annually.
The Health Reform Legislation also mandated certain changes to coverage determination and appeals processes, including: expanding the definition of “adverse benefit determination” to include rescissions; extending external review rights of adverse benefit determinations to insured and self-funded plans; and improving the clarity of and expanding the types of information in adverse benefit determination notices.
Currently Effective with Phased Implementation: The Health Reform Legislation also mandated consumer discounts on brand name and generic prescription drugs for Part D plan participants in the coverage gap. These consumer discounts will gradually increase over the next several years, which will decrease consumer out-of-pocket drug spending within the coverage gap, shifting a portion of these costs to the plan sponsor. In 2012, the discount on brand name prescription drugs was 50% while the discount on generic prescription drugs was 14%.
In addition, as required under the Health Reform Legislation, HHS established a federal premium rate review process, which generally applies to proposed rate increases equal to or exceeding 10%. The regulations further require commercial health plans to provide to the states and HHS extensive information supporting any rate increases subject to the new federal rate review process. The regulations clarify that HHS review will not supersede existing state review and approval processes, but plans deemed to have a history of “unreasonable” rate increases may be prohibited from participating in the state-based exchanges that are scheduled to become active under the Health Reform Legislation in 2014. Under current regulations, the HHS rate review process would apply only to health plans in the individual and small group markets.
 CMS reduced or froze benchmarks which affect our Medicare Advantage reimbursements from CMS between 2009 and 2011, and in 2012, additional cuts to Medicare Advantage benchmarks began to take effect (benchmarks will ultimately range from 95% of Medicare fee-for-service rates in high cost areas to 115% in low cost areas), with changes continuing to be phased-in over the next one to five years, depending on the level of benchmark reduction in a county. In addition to other measures, quality bonuses may partially offset these anticipated benchmark reductions. CMS quality rating

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bonuses are paid to certain qualifying plans for a three year period that began in 2012. Quality bonuses are based upon STAR ratings at the local plan level, as determined by CMS, and are dependent on numerous factors, including member satisfaction and member behavior in the context of obtaining preventive screens.
Effective 2013: Effective beginning in 2013 with respect to services performed after 2009, the Health Reform Legislation limits the deductibility of executive compensation under Section 162(m) of the Internal Revenue Code for insurance providers if at least 25% of the insurance provider’s gross premium revenue from health business is derived from health insurance plans that meet the minimum creditable coverage requirements.
Effective 2013/2014: The Health Reform Legislation provides for an increase in Medicaid fee-for-service and managed care program reimbursements for primary care services provided by primary care doctors (family medicine, general internal medicine or pediatric medicine) to 100% of the Medicare payment rates for 2013 and 2014, and provides 100% federal financing for the difference in rates based on rates applicable on July 1, 2009.
Effective 2014: A number of the provisions of the Health Reform Legislation are scheduled to take effect in 2014, including: an annual insurance industry assessment ($8 billion to be levied on the insurance industry in 2014 increasing to $14.3 billion by 2018 with increasing annual amounts thereafter), which is not deductible for income tax purposes; a transitional reinsurance program ($25 billion over a three-year period), which will be funded by a $5.25 per member per month fee (as currently estimated by HHS), on all comprehensive lines of business (including risk-based and self-insured) with only insurance plans for individuals eligible for reinsurance recoveries; a permanent risk adjustment program designed to promote stability in the individual and small employer group marketplace by transferring funds among competing plans based on variance in risk populations; all individual and group health plans must offer coverage on a guaranteed issue and guaranteed renewal basis during annual open enrollment and special enrollment periods and cannot apply pre-existing condition exclusions or health status rating adjustments; all individual and small group plans must provide certain essential health benefits, with member cost-sharing limitations and no annual limits on essential benefits coverage; establishment of state-based exchanges for individuals and small employers as well as certain CHIP eligibles; a temporary risk corridor program that limits the losses and gains of insurers that offer products on exchanges; introduction of plan designs based on set actuarial values to increase comparability of competing products on the exchanges and limit member cost-sharing obligations; and establishment of minimum medical loss ratio of 85% for Medicare Advantage plans, as calculated under rules that have not yet been issued.
The Health Reform Legislation and the related federal and state regulations will impact how we do business and could restrict revenue and enrollment growth in certain products and market segments, restrict premium growth rates for certain products and market segments, increase our medical and administrative costs, expose us to an increased risk of liability (including increasing our liability in federal and state courts for coverage determinations and contract interpretation) or put us at risk for loss of business. In addition, our results of operations, financial position, including our ability to maintain the value of our goodwill, and cash flows could be materially and adversely affected by such changes. The Health Reform Legislation may also create new or expand existing opportunities for business growth, but due to its complexity, the impact of the Health Reform Legislation remains difficult to predict and is not yet fully known. See also Item 1A, “Risk Factors” for a discussion of the risks related to the Health Reform Legislation and related matters.

Other Federal Laws and Regulation
We are subject to various levels of U.S. federal regulation. For example, when we contract with the federal government, we are subject to federal laws and regulations relating to the award, administration and performance of U.S. government contracts. CMS regulates our UnitedHealthcare businesses, and certain aspects of our Optum businesses. Our UnitedHealthcare Medicare & Retirement, UnitedHealthcare Community & State and OptumHealth businesses submit information relating to the health status of enrollees to CMS (or state agencies) for purposes of determining the amount of certain payments to us. CMS also has the right to audit performance to determine compliance with CMS contracts and regulations and the quality of care given to Medicare beneficiaries. Beginning in 2014, our commercial business may be subject to audit related to the risk adjustment and reinsurance data. See Note 12 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements” and Item 1A, “Risk Factors” for a discussion of audits by CMS.
Our UnitedHealthcare reportable segment, through UnitedHealthcare Community & State, also has Medicaid and CHIP contracts that are subject to federal regulations regarding services to be provided to Medicaid enrollees, payment for those services and other aspects of these programs. There are many regulations surrounding Medicare and Medicaid compliance, and the regulatory environment with respect to these programs has become and will continue to become increasingly complex as a result of the Health Reform Legislation. In addition, our UnitedHealthcare Military & Veterans business and certain of Optum’s businesses hold contracts with federal agencies including the DoD and we are subject to federal law and regulations relating to the administration of these contracts.

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Certain of UnitedHealthcare’s and Optum’s businesses, such as UnitedHealthcare’s eyeglass manufacturing activities and Optum’s high acuity clinical workflow software, hearing aid products, and clinical research activities, are subject to regulation by the U.S. Food and Drug Administration (FDA), and the clinical research activities are also subject to laws and regulations outside of the United States that regulate clinical trials. Laws and regulations relating to consumer protection, anti-fraud and abuse, anti-kickbacks, false claims, prohibited referrals, inappropriately reducing or limiting health care services, anti-money laundering, securities and antitrust also affect us.
HIPAA, GLBA and Other Privacy and Security Regulation. The administrative simplification provisions of the Health Insurance Portability and Accountability Act of 1996, as amended (HIPAA), apply to both the group and individual health insurance markets, including self-funded employee benefit plans. HIPAA requires guaranteed health care coverage for small employers and certain eligible individuals. It also requires guaranteed renewability for employers and individuals and limits exclusions based on pre-existing conditions. Federal regulations related to HIPAA include minimum standards for electronic transactions and code sets, and for the privacy and security of protected health information. The HIPAA privacy regulations do not preempt more stringent state laws and regulations that may also apply to us.
Federal privacy and security requirements change frequently because of legislation, regulations and judicial or administrative interpretation. For example, the U.S. Congress enacted the American Recovery and Reinvestment Act of 2009 (ARRA), which significantly amends, and adds new privacy and security provisions to HIPAA and imposes additional requirements on uses and disclosures of health information. ARRA includes new contracting requirements for HIPAA business associate agreements; extends parts of HIPAA privacy and security provisions to business associates; adds new federal data breach notification requirements for covered entities and business associates and new reporting requirements to HHS and the Federal Trade Commission (FTC) and, in some cases, to the local media; strengthens enforcement and imposes higher financial penalties for HIPAA violations and, in certain cases, imposes criminal penalties for individuals, including employees. In January 2013, HHS issued its final regulations implementing the ARRA amendments to HIPAA and updating the HIPAA privacy, security and enforcement rules. In the conduct of our business, we may act, depending on the circumstances, as either a covered entity or a business associate. Federal consumer protection laws may also apply in some instances to privacy and security practices related to personally identifiable information. The use and disclosure of individually identifiable health data by our businesses is also regulated in some instances by other federal laws, including the Gramm-Leach-Bliley Act (GLBA) or state statutes implementing GLBA, which generally require insurers to provide customers with notice regarding how their non-public personal health and financial information is used and the opportunity to “opt out” of certain disclosures before the insurer shares such information with a third party, and which generally require safeguards for the protection of personal information. See Item 1A, “Risk Factors” for a discussion of the risks related to compliance with HIPAA, GLBA and other privacy-related regulations.
ERISA. The Employee Retirement Income Security Act of 1974, as amended (ERISA), regulates how goods and services are provided to or through certain types of employer-sponsored health benefit plans. ERISA is a set of laws and regulations that is subject to periodic interpretation by the DOL as well as the federal courts. ERISA places controls on how our business units may do business with employers who sponsor employee benefit health plans, particularly those that maintain self-funded plans. Regulations established by the DOL provide additional rules for claims payment and member appeals under health care plans governed by ERISA. Additionally, some states require licensure or registration of companies providing third-party claims administration services for health care plans.
State Laws and Regulation
Health Care Regulation. Our insurance and HMO subsidiaries must be licensed by the jurisdictions in which they conduct business. All of the states in which our subsidiaries offer insurance and HMO products regulate those products and operations. These states require periodic financial reports and establish minimum capital or restricted cash reserve requirements. The National Association of Insurance Commissioners (NAIC) has adopted model regulations that, when implemented by states would require certain governance practices substantially similar to the Sarbanes-Oxley Act of 2002 and expand insurance company and HMO risk and solvency assessment reporting. We expect that states will adopt these or similar measures over the next few years, expanding the scope of regulations relating to corporate governance and internal control activities of HMOs and insurance companies. Certain states have also adopted their own regulations for minimum medical loss ratios with which health plans must comply. In addition, a number of state legislatures have enacted or are contemplating significant reforms of their health insurance markets, either independent of or to comply with or be eligible for grants or other incentives in connection with the Health Reform Legislation. We expect the states to continue to introduce and pass similar laws in 2013, and this will affect our operations and our financial results.
Health plans and insurance companies are also regulated under state insurance holding company regulations. Such regulations generally require registration with applicable state departments of insurance and the filing of reports that describe capital structure, ownership, financial condition, certain intercompany transactions and general business operations. Some state

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insurance holding company laws and regulations require prior regulatory approval of acquisitions and material intercompany transfers of assets, as well as transactions between the regulated companies and their parent holding companies or affiliates. These laws may restrict the ability of our regulated subsidiaries to pay dividends to our holding companies.
In addition, some of our business and related activities may be subject to other health care-related regulations and requirements, including PPO, managed care organization (MCO), utilization review (UR) or TPA-related regulations and licensure requirements. These regulations differ from state to state, and may contain network, contracting, product and rate, and financial and reporting requirements. There are laws and regulations that set specific standards for delivery of services, appeals, grievances and payment of claims, adequacy of health care professional networks, fraud prevention, protection of consumer health information, pricing and underwriting practice and covered benefits and services. State health care anti-fraud and abuse prohibitions encompass a wide range of activities, including kickbacks for referral of members, billing unnecessary medical services and improper marketing. Certain of our businesses are subject to state general agent, broker, and sales distributions laws and regulations. Our UnitedHealthcare Community & State, UnitedHealthcare Medicare & Retirement and certain Optum businesses are subject to regulation by state Medicaid agencies that oversee the provision of benefits to our Medicaid and CHIP beneficiaries and to our dually eligible beneficiaries. We also contract with state governmental entities and are subject to state laws and regulations relating to the award, administration and performance of state government contracts.
Guaranty Fund Assessments. Under state guaranty fund laws, certain insurance companies (and HMOs in some states), including those issuing health, long-term care, life and accident insurance policies, doing business in those states can be assessed (up to prescribed limits) for certain obligations to the policyholders and claimants of insolvent insurance companies that write the same line or lines of business. Assessments generally are based on a formula relating to premiums in the state compared to the premiums of other insurers and could be spread out over a period of years. Some states permit member insurers to recover assessments paid through full or partial premium tax offsets.
Pharmacy Regulation. OptumRx’s mail order pharmacies must be licensed to do business as pharmacies in the states in which they are located. Our mail order pharmacies must also register with the U.S. Drug Enforcement Administration and individual state controlled substance authorities to dispense controlled substances. In many of the states where our mail order pharmacies deliver pharmaceuticals there are laws and regulations that require out-of-state mail order pharmacies to register with that state’s board of pharmacy or similar regulatory body. These states generally permit the pharmacy to follow the laws of the state in which the mail order pharmacy is located, although some states require that we also comply with certain laws in that state. Our mail order pharmacies maintain certain Medicare and state Medicaid provider numbers as pharmacies providing services under these programs. Participation in these programs requires the pharmacies to comply with the applicable Medicare and Medicaid provider rules and regulations. Other laws and regulations affecting our mail order pharmacies include federal and state statutes and regulations governing the labeling, packaging, advertising and adulteration of prescription drugs and dispensing of controlled substances. See Item 1A, “Risk Factors” for a discussion of the risks related to our PBM businesses.
Privacy and Security Laws. States have adopted regulations to implement provisions of the GLBA. Like HIPAA, GLBA allows states to adopt more stringent requirements governing privacy protection. A number of states have also adopted other laws and regulations that may affect our privacy and security practices, for example, state laws that govern the use, disclosure and protection of social security numbers and sensitive health information or that are designed to protect credit card account data. State and local authorities increasingly focus on the importance of protecting individuals from identity theft, with a significant number of states enacting laws requiring businesses to notify individuals of security breaches involving personal information. State consumer protection laws may also apply to privacy and security practices related to personally identifiable information, including information related to consumers and care providers. Additionally, different approaches to state privacy and insurance regulation and varying enforcement philosophies in the different states may materially and adversely affect our ability to standardize our products and services across state lines. See Item 1A, “Risk Factors” for a discussion of the risks related to compliance with state privacy and security-related regulations.

Corporate Practice of Medicine and Fee-Splitting Laws. Certain of our businesses function as direct service providers to care delivery systems and, as such, are subject to additional laws and regulations. Some states have corporate practice of medicine laws that prohibit certain entities from practicing medicine or employing physicians to practice medicine. Additionally, some states prohibit certain entities from sharing in the fees or revenues of a professional practice (fee-splitting). These prohibitions may be statutory or regulatory, or may be a matter of judicial or regulatory interpretation. These laws, regulations and interpretations have, in certain states, been subject to limited judicial and regulatory interpretation and are subject to change.
Consumer Protection Laws. Certain businesses participate in direct-to-consumer activities and are subject to emerging regulations applicable to on-line communications and other general consumer protection laws and regulations.
Banking Regulation
Optum Bank is subject to regulation by federal banking regulators, including the Federal Deposit Insurance Corporation (FDIC), which performs annual examinations to ensure that the bank is operating in accordance with federal safety and soundness requirements, and the Consumer Financial Protection Bureau, which may perform periodic examinations to ensure

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that the bank is in compliance with applicable consumer protection statutes, regulations and agency guidelines. Optum Bank is also subject to supervision and regulation by the Utah State Department of Financial Institutions, which carries out annual examinations to ensure that the bank is operating in accordance with state safety and soundness requirements and performs periodic examinations of the bank’s compliance with applicable state banking statutes, regulations and agency guidelines. In the event of unfavorable examination results from any of these agencies, the bank could be subjected to increased operational expenses and capital requirements, enhanced governmental oversight and monetary penalties.
International Regulation
Certain of our businesses and operations are international in nature and are subject to regulation in the jurisdictions in which they are organized or conduct business. These regulatory regimes encompass tax, licensing, tariffs, intellectual property, investment, management control, labor, anti-fraud, anti-corruption and privacy and data protection regulations (including requirements for cross-border data transfers) that vary from jurisdiction to jurisdiction, among other matters. We have recently acquired and may in the future acquire or commence additional businesses based outside of the United States, increasing our exposure to non-U.S. regulatory regimes. For example, our acquisition of Amil subjects us to Brazilian laws and regulations affecting the managed care and insurance industries and regulation by Brazilian regulators including the national regulatory agency for private health insurance and plans, the Agência Nacional de Saúde Suplementar (ANS), whose approach to the interpretation, implementation and enforcement of industry regulations could differ from the approach taken by U.S. regulators. For more information about the Amil acquisition, see Note 6 of Notes to the Consolidated Financial Statement included in Item 8, “Financial Statements.” In addition, our non-U.S. businesses and operations are also subject to U.S. laws that regulate the conduct and activities of U.S.-based businesses operating abroad, such as the Foreign Corrupt Practices Act.
Audits and Investigations
We have been and may in the future become involved in various governmental investigations, audits and reviews. These include routine, regular and special investigations, audits and reviews by CMS, state insurance and health and welfare departments, state attorneys general, the Office of the Inspector General (OIG), the Office of Personnel Management, the Office of Civil Rights, the FTC, U.S. Congressional committees, the U.S. Department of Justice (DOJ), U.S. Attorneys, the Securities and Exchange Commission (SEC), the Brazilian securities regulator, the Comissão de Valores Mobiliários (CVM), the Internal Revenue Service (IRS), the Brazilian federal revenue service - the Secretaria da Receita Federal (SRF), the DOL, the FDIC and other governmental authorities. Certain of our businesses have been reviewed or are currently under review, including for, among other things, compliance with coding and other requirements under the Medicare risk-adjustment model. Such government investigations, audits and reviews can result in assessment of damages, civil or criminal fines or penalties, or other sanctions, including loss of licensure or exclusion from participation in government programs. In addition, disclosure of any adverse investigation, audit results or sanctions could adversely affect our reputation in various markets and make it more difficult for us to sell our products and services while retaining our current business.
COMPETITION
As a diversified health and well-being services company, we operate in highly competitive markets. Our competitors include managed health care companies, insurance companies, HMOs, TPAs and business services outsourcing companies, health care professionals that have formed networks to directly contract with employers or with CMS, specialty benefit providers, government entities, disease management companies, and various health information and consulting companies. For our UnitedHealthcare businesses, competitors include Aetna Inc., Cigna Corporation, Coventry Health Care, Inc., Health Net, Inc., Humana Inc., Kaiser Permanente, WellPoint, Inc., numerous for-profit and not-for-profit organizations operating under licenses from the Blue Cross Blue Shield Association, and, with respect to our Brazilian operations, several established competitors in Brazil, and other enterprises that serve more limited geographic areas. For our OptumRx businesses, competitors include CVS Caremark Corporation, Express Scripts, Inc. and Catamaran Corporation. Our OptumHealth and OptumInsight reportable segments also compete with a broad and diverse set of businesses. New entrants into the markets in which we compete, as well as consolidation within these markets, also contribute to a competitive environment. We believe the principal competitive factors that can impact our businesses relate to the sales, marketing and pricing of our products and services; product innovation; consumer engagement and satisfaction; the level and quality of products and services; care delivery; network and clinical management capabilities; market share; product distribution systems; efficiency of administration operations; financial strength and marketplace reputation. If we fail to compete effectively to maintain or increase our market share, including maintaining or increasing enrollments in businesses providing health benefits, our results of operations, financial position and cash flows could be materially and adversely affected. See Item 1A, “Risk Factors,” for additional discussion of our risks related to competition.
 
EMPLOYEES
As of December 31, 2012, we employed approximately 133,000 individuals. We believe our employee relations are generally positive.

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EXECUTIVE OFFICERS OF THE REGISTRANT
The following sets forth certain information regarding our executive officers as of February 6, 2013, including the business experience of each executive officer during the past five years:
Name
Age
Position
Stephen J. Hemsley
60
President and Chief Executive Officer
David S. Wichmann
50
Executive Vice President and Chief Financial Officer of UnitedHealth Group and President of UnitedHealth Group Operations
Gail K. Boudreaux
52
Executive Vice President of UnitedHealth Group and Chief Executive Officer of UnitedHealthcare
Eric S. Rangen
56
Senior Vice President and Chief Accounting Officer
Larry C. Renfro
59
Executive Vice President of UnitedHealth Group and Chief Executive Officer of Optum
Marianne D. Short
61
Executive Vice President and Chief Legal Officer
Lori Sweere
54
Executive Vice President of Human Capital
Our Board of Directors elects executive officers annually. Our executive officers serve until their successors are duly elected and qualified.
Mr. Hemsley is President and Chief Executive Officer of UnitedHealth Group, has served in that capacity since January 2008, and has been a member of the Board of Directors since February 2000.
Mr. Wichmann is Executive Vice President and Chief Financial Officer of UnitedHealth Group and President of UnitedHealth Group Operations and has served in that capacity since January 2011. Mr. Wichmann has served as Executive Vice President and President of UnitedHealth Group Operations since April 2008. From January 2008 to April 2008, Mr. Wichmann served as Executive Vice President of UnitedHealth Group and President of the Commercial Markets Group (now UnitedHealthcare Employer & Individual).
Ms. Boudreaux is Executive Vice President of UnitedHealth Group and Chief Executive Officer of UnitedHealthcare and has served in that capacity since January 2011. Ms. Boudreaux has overall responsibility for all UnitedHealthcare health benefits businesses. Ms. Boudreaux served as Executive Vice President of UnitedHealth Group and President of UnitedHealthcare from May 2008 to January 2011. Prior to joining UnitedHealth Group, Ms. Boudreaux served as Executive Vice President of Health Care Services Corporation (HCSC) from January 2008 to April 2008.
Mr. Rangen is Senior Vice President and Chief Accounting Officer of UnitedHealth Group and has served in that capacity since January 2008.
Mr. Renfro is Executive Vice President of UnitedHealth Group and Chief Executive Officer of Optum and has served in that capacity since July 2011. From January 2011 to July 2011, Mr. Renfro served as Executive Vice President of UnitedHealth Group. From October 2009 to January 2011, Mr. Renfro served as Executive Vice President of UnitedHealth Group and Chief Executive Officer of the Public and Senior Markets Group. From January 2009 to October 2009, Mr. Renfro served as Executive Vice President of UnitedHealth Group and Chief Executive Officer of Ovations (now UnitedHealthcare Medicare & Retirement). Prior to joining UnitedHealth Group, Mr. Renfro served as President of Fidelity Developing Businesses at Fidelity Investments and as a member of the Fidelity Executive Committee from June 2008 to January 2009. From January 2008 to May 2008, Mr. Renfro held several senior positions at AARP Services Inc., including President and Chief Executive Officer of AARP Services Inc., Chief Operating Officer of AARP Services Inc., President and Chief Executive Officer of AARP Financial and President of the AARP Funds.
Ms. Short is Executive Vice President and Chief Legal Officer of UnitedHealth Group and has served in that capacity since January 2013. Prior to joining UnitedHealth Group, Ms. Short served as the Managing Partner at Dorsey & Whitney LLP from 2008 to 2012.
Ms. Sweere is Executive Vice President of Human Capital of UnitedHealth Group and has served in that capacity since January 2008.

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Additional Information
UnitedHealth Group Incorporated was incorporated in January 1977 in Minnesota. Our executive offices are located at UnitedHealth Group Center, 9900 Bren Road East, Minnetonka, Minnesota 55343; our telephone number is (952) 936-1300.
You can access our website at www.unitedhealthgroup.com to learn more about our Company. From that site, you can download and print copies of our annual reports to shareholders, annual reports on Form 10-K, quarterly reports on Form 10-Q, and current reports on Form 8-K, along with amendments to those reports. You can also download from our website our Articles of Incorporation, bylaws and corporate governance policies, including our Principles of Governance, Board of Directors Committee Charters, and Code of Conduct. We make periodic reports and amendments available, free of charge, as soon as reasonably practicable after we file or furnish these reports to the SEC. We will also provide a copy of any of our corporate governance policies published on our website free of charge, upon request. To request a copy of any of these documents, please submit your request to: UnitedHealth Group Incorporated, 9900 Bren Road East, Minnetonka, MN 55343, Attn: Corporate Secretary. Information on or linked to our website is neither part of nor incorporated by reference into this Annual Report on Form 10-K or any other SEC filings.
Our transfer agent, Wells Fargo Shareowner Services, can help you with a variety of shareholder-related services, including change of address, lost stock certificates, transfer of stock to another person and other administrative services. You can write to our transfer agent at: Wells Fargo Shareowner Services, P.O. Box 64854, St. Paul, Minnesota 55164-0854, email stocktransfer@wellsfargo.com, or telephone (800) 468-9716 or (651) 450-4064.
ITEM 1A. RISK FACTORS
CAUTIONARY STATEMENTS
The statements, estimates, projections, guidance or outlook contained in this Annual Report on Form 10-K include forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 (PSLRA). When used in this Annual Report on Form 10-K and in future filings by us with the SEC, in our news releases, presentations to securities analysts or investors, and in oral statements made by or with the approval of one of our executive officers, the words or phrases “believe,” “expect,” “intend,” “estimate,” “anticipate,” “plan,” project,” “should” or similar expressions are intended to identify such forward-looking statements. These statements are intended to take advantage of the “safe harbor” provisions of the PSLRA. These forward-looking statements involve risks and uncertainties that may cause our actual results to differ materially from the results discussed in the forward-looking statements.
The following discussion contains cautionary statements regarding our business that investors and others should consider. We do not undertake to address or update forward-looking statements in future filings or communications regarding our business or results of operations, and do not undertake to address how any of these factors may have caused results to differ from discussions or information contained in previous filings or communications. In addition, any of the matters discussed below may have affected past, as well as current, forward-looking statements about future results. Any or all forward-looking statements in this Form 10-K and in any other public filings or statements we make may turn out to be wrong. They can be affected by inaccurate assumptions we might make or by known or unknown risks and uncertainties. Many factors discussed below will be important in determining future results. By their nature, forward-looking statements are not guarantees of future performance or results and are subject to risks, uncertainties and assumptions that are difficult to predict or quantify. Actual future results may vary materially from expectations expressed in this report or any of our prior communications.
If we fail to effectively estimate, price for and manage our medical costs, the profitability of our risk-based products and services could decline and could materially and adversely affect our results of operations, financial position and cash flows.
Under our risk-based benefit product arrangements, we assume the risk of both medical and administrative costs for our customers in return for monthly premiums. Premium revenues from risk-based benefits products comprise approximately 90% of our total consolidated revenues. We generally use approximately 80% to 85% of our premium revenues to pay the costs of health care services delivered to these customers. The profitability of these products depends in large part on our ability to predict, price for, and effectively manage medical costs. In this regard, the Health Reform Legislation established minimum medical loss ratios for certain health plans and authorized HHS to maintain an annual price increase review process for commercial health plans, which could make it more difficult for us to price our products competitively. See the risk factor below relating to health care reform for further discussion of these provisions. In addition, our OptumHealth Collaborative Care business negotiates capitation arrangements with commercial third party payers. Under the typical capitation arrangement, the health care provider receives a fixed percentage of a third party payer’s premiums to cover all or a defined portion of the medical costs provided to the capitated member. If we fail to accurately predict, price for or manage the costs of providing care to our capitated members, our results of operations could be materially and adversely affected.
We manage medical costs through underwriting criteria, product design, negotiation of favorable provider contracts and care management programs. Total medical costs are affected by the number of individual services rendered and the cost of each

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service. Our premium revenue on commercial policies is typically at a fixed rate per individual served for a 12-month period and is generally priced one to four months before the contract commences. Our revenue on Medicare policies is based on bids submitted in June the year before the contract year. We base the premiums we charge and our Medicare bids on our estimates of future medical costs over the fixed contract period; however, many factors may cause actual costs to exceed what was estimated and reflected in premiums or bids. These factors may include medical cost inflation, increased use of services, increased cost of individual services, natural catastrophes or other large-scale medical emergencies, epidemics, the introduction of new or costly treatments and technology, new mandated benefits (such as the expansion of essential benefits coverage) or other regulatory changes and insured population characteristics. Relatively small differences between predicted and actual medical costs or utilization rates as a percentage of revenues can result in significant changes in our financial results. For example, if our 2012 medical costs for commercial insured products were 1% higher, without proportionally higher revenues from such products, our annual net earnings for 2012 would have been reduced by approximately $215 million, excluding any offsetting impact from premium rebates.
In addition, the financial results we report for any particular period include estimates of costs that have been incurred for which claims are still outstanding. These estimates involve an extensive degree of judgment. If these estimates prove too low, our results of operations could be materially and adversely affected.
Our business activities are highly regulated; new laws or regulations or changes in existing laws or regulations or their enforcement or application could materially and adversely affect our results of operations, financial position and cash flows.
Our business is regulated at the federal, state, local and international levels. Our insurance and HMO subsidiaries must be licensed by and are subject to the regulations of the jurisdictions in which they conduct business. For example, states require periodic financial reports and enforce minimum capital or restricted cash reserve requirements. Health plans and insurance companies are also regulated under state insurance holding company regulations, and some of our activities may be subject to other health care-related regulations and requirements, including those relating to PPOs, MCOs, utilization review and TPA-related regulations and licensure requirements. Some of our UnitedHealthcare and Optum businesses hold or provide services related to government contracts and are subject to U.S. federal and state and non-U.S. self-referral, anti-kickback, medical necessity, risk adjustment, false claims, debt collection and other laws and regulations governing government contractors and the use of government funds. In addition, under state guaranty fund laws, certain health, life and accident insurance companies and, in certain cases, HMOs can be assessed (up to prescribed limits) for certain obligations to the policyholders and claimants of insolvent insurance companies that write the same line or lines of business in these states, which would expose our business to the risk of insolvency of a competitor in these states.
Certain of our Optum businesses are also subject to regulatory and other risks and uncertainties, some of which are distinct from those faced by our insurance and HMO subsidiaries, including, for example, FDA regulations, state telemedicine regulations and state corporate practice of medicine doctrines and fee-splitting rules, some of which could impact our relationships with physicians, hospitals and customers. Additionally, OptumHealth participates in the emerging private exchange markets and it is not yet known to what extent the states will issue new regulations that apply to private exchanges. These risks and uncertainties may materially and adversely affect our ability to market our products and services, or to do so at targeted margins, or increase the regulatory burdens under which we operate.
The laws and rules governing our business and interpretations of those laws and rules are subject to frequent change, and the integration into our businesses of entities that we acquire may affect the way in which existing laws and rules apply to us. The broad latitude given to the agencies administering, interpreting and enforcing current and future regulations governing our business could force us to change how we do business, restrict revenue and enrollment growth, increase our health care and administrative costs and capital requirements, or expose us to increased liability in courts for coverage determinations, contract interpretation and other actions.
We must also obtain and maintain regulatory approvals to market many of our products, increase prices for certain regulated products and complete certain acquisitions and dispositions or integrate certain acquisitions. For example, premium rates for our health insurance and/or managed care products are subject to regulatory review or approval in many states and by the federal government, and a number of states have enhanced (or are proposing to enhance) their rate review processes. In addition, geographic and product expansions may be subject to state and federal regulatory approvals. Delays in obtaining necessary approvals or our failure to obtain or maintain adequate approvals could materially and adversely affect our results of operations, financial position and cash flows.
Some of our businesses and operations are international in nature and consequently face political, economic, legal, compliance, regulatory, operational and other risks and exposures that are unique and vary by jurisdiction. The regulatory environments and associated requirements and uncertainties regarding tax, licensing, tariffs, intellectual property, privacy, data protection, investment, management control, labor relations, fraud and corruption present compliance requirements and uncertainties for us that are different from those faced by U.S.-based businesses. We have recently acquired and may in the future acquire or commence additional businesses based outside of the United States. For example, our acquisition of Amil in October 2012

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subjects us to Brazilian laws and regulations affecting the managed care and insurance industries, which vary from comparable U.S. laws and regulations, and regulation by Brazilian regulators, whose approach to the interpretation, implementation and enforcement of industry regulations could differ from the approach taken by U.S. regulators. For more information about the Amil acquisition, see Note 6 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements.” In addition, our non-U.S. businesses and operations are also subject to U.S. laws that regulate the conduct and activities of U.S.-based businesses operating abroad, such as the Foreign Corrupt Practices Act. Our failure to comply with U.S. or non-U.S. laws and regulations governing our conduct outside the United States or to establish constructive relations with non-U.S. regulators could adversely affect our ability to market our products and services, or to do so at targeted margins, which may have a material adverse effect on our business, financial condition and results of operations.
The health care industry is also regularly subject to negative publicity, including as a result of governmental investigations, adverse media coverage and political debate surrounding industry regulation. Negative publicity may adversely affect our stock price, damage our reputation in various markets or foster an increasingly active regulatory environment, which, in turn, could further increase the regulatory burdens under which we operate and our costs of doing business.
For a discussion of various laws and regulations that impact our businesses, see Item 1, “Business - Government Regulation.”
The implementation of the Health Reform Legislation and other reforms could materially and adversely affect the manner in which we conduct business and our results of operations, financial position and cash flows.
The Health Reform Legislation expands access to coverage and modifies aspects of the commercial insurance market, as well as the Medicaid and Medicare programs, CHIP and other aspects of the health care system. Among other things, the Health Reform Legislation includes guaranteed coverage and expanded benefit requirements, eliminates pre-existing condition exclusions and annual and lifetime maximum limits, restricts the extent to which policies can be rescinded, establishes minimum medical loss ratios, creates a federal premium review process, imposes new requirements on the format and content of communications (such as explanations of benefits, or EOBs) between health insurers and their members, grants to members new and additional appeal rights, imposes new and significant taxes on health insurers and health care benefits, reduces the Medicare Part D coverage gap and reduces payments to private plans offering Medicare Advantage.
Certain provisions of the Health Reform Legislation have already taken effect, and other provisions become effective at various dates over the next several years. HHS, the DOL and the Treasury Department have issued or proposed regulations on a number of aspects of Health Reform Legislation, but final rules and interim guidance on other key aspects of the legislation remain pending. Due to the complexity of the Health Reform Legislation, the impact of the Health Reform Legislation remains difficult to predict and is not yet fully known. For example, effective in 2011, the Health Reform Legislation established minimum medical loss ratios for all commercial health plans in the large employer group, small employer group and individual markets (85% for large employer groups, 80% for small employer groups and 80% for individuals, calculated under the definitions in the Health Reform Legislation and regulations), subject to state specific exceptions. Companies with medical loss ratios below these targets are required to rebate ratable portions of their premiums to their customers annually. The medical loss ratios that determine the size of the rebates will be measured by state, by group size and by licensed subsidiary. This disaggregation of insurance pools into much smaller pools will likely decrease the predictability of results for any given pool and could lead to variation over time in the estimates of rebates owed in total. Effective in 2014, Medicare Advantage plans will be required to maintain a minimum medical loss ratio of 85%, although the rules expected to set forth the basis for calculating this medical loss ratio have not yet been issued. Some state Medicaid programs are also imposing medical loss ratio requirements on Medicaid managed care organizations, which generally require such plans to rebate ratable portions of their premiums to their state customers if they cannot demonstrate they have met the minimum medical loss ratios. Depending on our calculations of the medical loss ratios for each of our plans and the manner in which we adjust our business model in light of these requirements, there could be meaningful disruptions in local health care markets, and our market share, results of operations, financial position and cash flows could be materially and adversely affected.
In addition, the Health Reform Legislation requires the establishment of state-based health insurance exchanges for individuals and small employers by 2014. The types of exchange participation requirements ultimately enacted by each state, the availability of federal subsidies for premiums and cost-sharing reductions within exchanges, the potential for differential imposition of state benefit mandates inside and outside the exchanges, the operation of reinsurance, risk corridors and risk adjustment mechanisms inside and outside the exchanges and the possibility that certain states may restrict the ability of health plans to continue to offer coverage to individuals and small employers outside of the exchanges could result in disruptions in local health care markets and our results of operations, financial position and cash flows could be materially and adversely affected.
The Health Reform Legislation also includes specific reforms for the individual and small group marketplace, scheduled to take effect in January 2014, including adjusted community rating requirements (which include elimination of health status and gender rating factors), essential health benefit requirements (expected to result in benefit changes for many members) and actuarial value requirements likely to result in expanded benefits or reduced member cost sharing (or a combination of both) for some policyholders. Although HHS issued proposed regulations related to these provisions in late 2012, the federal regulations

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are not yet final and most states have not issued implementing regulations or guidance with respect to these provisions. Depending on the timing and outcome of the final federal regulations and required state regulations or guidance, there could be disruptions in local health care markets and our results of operations, financial position and cash flows could be materially and adversely affected.
The Health Reform Legislation includes a “maintenance of effort” (MOE) provision that requires states to maintain their eligibility rules for adults covered by Medicaid, until the Secretary of HHS determines that an insurance exchange is operational in a given state, scheduled for January 2014, and for children covered by Medicaid or CHIP, through federal fiscal year 2019. States with, or projecting, a budget deficit may apply for an exception to the MOE provision. If states are successful in obtaining MOE waivers and allow certain Medicaid programs to expire, we could experience reduced Medicaid enrollment, which could materially and adversely affect our results of operations, financial position and cash flows.
Under the U.S. Supreme Court’s June 2012 decision, state participation in the Health Reform Legislation’s Medicaid expansion is voluntary. Several states have indicated they may not expand their Medicaid programs based on concerns over costs when expanded federal funding pares down, starting in 2017. The extent to which states expand their Medicaid programs, or discontinue current expansion programs, could adversely impact our Medicaid enrollment levels, which could in turn materially and adversely affect our results of operations, financial position and cash flows.
Several of the provisions in the Health Reform Legislation will likely increase our medical cost trends. Examples of these provisions are the excise tax on medical devices, annual fees on prescription drug manufacturers, enhanced coverage requirements (including essential health benefit requirements and phased-in closing of the coverage gap for Medicare Part D participants), the prohibition of pre-existing condition exclusions and the implementation of adjusted community rating requirements. The annual insurance industry assessment ($8 billion to be levied on the insurance industry in 2014 increasing to $14.3 billion by 2018 with increasing annual amounts thereafter), which is not deductible for income tax purposes, and the temporary reinsurer’s fee ($25 billion to be levied on all commercial lines of business including insured and self-funded arrangements, over a three-year period starting in 2014), will increase our operating costs. Premium increases or benefit reductions will be necessary to offset the impact these and other provisions will have on our medical and operating costs. These premium increases are often subject to state regulatory approval, and the Federal government is encouraging states to intensify their reviews of requests for rate increases by commercial health plans and providing funding to assist in those state-level reviews. We have begun to experience greater regulatory challenges to appropriate premium rate increases in several states, including California and New York. In addition, as required under the Health Reform Legislation, HHS established a federal premium rate review process, which became effective in September 2011 and generally applies to proposed rate increases equal to or exceeding 10%. The regulations further require commercial health plans in the individual and small group markets to provide to the states and HHS extensive information supporting rate increases. If we are not able to secure approval for adequate premium increases to offset increases in our cost structure or if consumers forego coverage as a result of such premium increases, our margins, results of operations, financial position and cash flows could be materially and adversely affected. In addition, plans deemed to have a history of “unreasonable” rate increases may be prohibited from participating in the state-based exchanges that become active under the Health Reform Legislation in 2014. Under the regulations, the HHS rate review process would apply only to health plans in the individual and small group markets.
We also expect that implementation of the Health Reform Legislation will increase the demand for products and capabilities offered by our Optum businesses. We have made and will continue to make strategic decisions and investments based, in part, on these assumptions, and our results of operations, financial position and cash flows could be materially and adversely affected if fewer individuals gain coverage under the Health Reform Legislation than we expect or we are unable to attract these new individuals to our UnitedHealthcare offerings, or if the demand for our Optum businesses does not increase.
Future regulatory or legislative action could further impact the implementation of Health Reform Legislation. For example, Congress may attempt to amend or withhold the funding necessary to implement the Health Reform Legislation. In addition, a number of state legislatures have enacted or are contemplating significant reforms of their health insurance markets, either independent of or to comply with or be eligible for grants or other incentives in connection with the Health Reform Legislation. New federal or state laws and regulations could force us to materially change how we do business and any amendment, withholding of funding, extended delays in the issuance of necessary federal and state implementing regulations or guidance or other uncertainty regarding the Health Reform Legislation could materially and adversely impact our ability to capitalize on the opportunities presented by the legislation or cause us to incur additional costs of compliance or reverse some of the changes we have already implemented. In addition, our market share, our results of operations, our financial position, including our ability to maintain the value of our goodwill, and our cash flows could be materially and adversely affected by legislative and regulatory changes.
For additional information regarding the Health Reform Legislation, see Item 1, “Business - Government Regulation” and Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations - Executive Overview - Regulatory Trends and Uncertainties.”

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As a result of our participation in various government health care programs, both as a payer and as a service provider to payers, we are exposed to additional risks associated with program funding, enrollments, payment adjustments, audits and government investigations that could materially and adversely affect our business, results of operations, financial position and cash flows.
We participate in various federal, state and local government health care coverage programs, including as a payer in Medicare Advantage, Medicare Part D, various Medicaid programs, CHIP and our TRICARE West contract with the DoD, and receive substantial revenues from these programs. We also provide services to payers through our Optum businesses. These programs generally are subject to frequent changes, including changes that may reduce the number of persons enrolled or eligible for coverage, reduce the amount of reimbursement or payment levels, reduce our participation in certain service areas or markets, or increase our administrative or medical costs under such programs. Revenues for these programs are dependent upon periodic funding from the federal government or applicable state governments and allocation of the funding through various payment mechanisms. Funding for these government programs is dependent upon many factors outside of our control, including general economic conditions and budgetary constraints at the federal or applicable state level, and general political issues and priorities. For example, CMS has in the past reduced or frozen Medicare Advantage benchmarks and additional cuts to Medicare Advantage benchmarks are expected in the next few years. Although we have adjusted members’ benefits and premiums on a selective basis, terminated benefit plans in certain counties, and intensified both our medical and operating cost management in response to these benchmark reductions, there can be no assurance that we will be able to execute successfully on these or other strategies to address changes in the Medicare Advantage program. A reduction or less than expected increase, or a protracted delay, in government funding for these programs or change in allocation methodologies may materially and adversely affect our results of operations, financial position and cash flows.
Under the Medicaid Managed Care program, state Medicaid agencies are periodically required by federal law to seek bids from eligible health plans to continue their participation in the acute care Medicaid health programs. If we are not successful in obtaining renewals of state Medicaid Managed Care contracts, we risk losing the members that were enrolled in those Medicaid plans. Under the Medicare Part D program, to qualify for automatic enrollment of low income members, our bids must result in an enrollee premium below a regional benchmark, which is calculated by the government after all regional bids are submitted. If the enrollee premium is not below the government benchmark, we risk losing the members who were auto-assigned to us and we will not have additional members auto-assigned to us. For example, we lost approximately 470,000 of our auto-enrolled low-income subsidy members in 2012 because certain of our bids exceeded thresholds set by the government. In general, our bids are based upon certain assumptions regarding enrollment, utilization, medical costs, and other factors. In the event any of these assumptions are materially incorrect, either as a result of unforeseen changes to the Medicare program or other programs on which we bid, or our competitors submit bids at lower rates than our bids, our results of operations, financial position and cash flows could be materially and adversely affected.
Many of the government health care coverage programs in which we participate are subject to the prior satisfaction of certain conditions or performance standards or benchmarks. For example, as part of the Health Reform Legislation, CMS has developed a system entitling plans that meet certain quality ratings at the local plan level to various quality bonus payments. In addition, under the Health Reform Legislation, Congress authorized CMS and the states to implement MME managed care demonstration programs to serve dually eligible beneficiaries to improve the coordination of their care. Health plan participation in these demonstration programs is subject to CMS approval of specified care delivery models and the satisfaction of conditions to participation, including meeting certain performance requirements. Any changes in standards or care delivery models that apply to government health care programs, including Medicare, Medicaid and the MME demonstration programs for dually eligible beneficiaries, or our inability to meet government performance requirements or to match the performance of our competitors could result in limitations to our participation in or exclusion from these or other government programs, which in turn could materially and adversely affect our results of operations, financial position and cash flows.
CMS uses various payment mechanisms to allocate funding for Medicare programs, including adjusting monthly capitation payments to Medicare Advantage plans and Medicare Part D plans according to the predicted health status of each beneficiary as supported by data from health care providers as well as, for Medicare Part D plans, risk-sharing provisions based on a comparison of costs predicted in our annual bids to actual prescription drug costs. Some state Medicaid programs utilize a similar process. For example, our UnitedHealthcare Medicare & Retirement and UnitedHealthcare Community & State businesses submit information relating to the health status of enrollees to CMS or state agencies for purposes of determining the amount of certain payments to us. CMS and the Office of Inspector General for HHS periodically perform risk adjustment data validation (RADV) audits of selected Medicare health plans to validate the coding practices of and supporting documentation maintained by health care providers, and certain of our local plans have been audited. Such audits have in the past resulted and could in the future result in retrospective adjustments to payments made to our health plans, fines, corrective action plans or other adverse action by CMS. In February 2012, CMS published a final RADV audit and payment adjustment methodology. The methodology contains provisions allowing retroactive contract level payment adjustments for the year audited, beginning with 2011 payments, using an extrapolation of the “error rate” identified in audit samples and, for Medicare Advantage plans, after considering a fee-for-service (FFS) “error rate” adjuster that will be used in determining the payment

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adjustment. Depending on the plans selected for audit, if any, and the error rate found in those audits, if any, potential payment adjustments could have a material adverse effect on our results of operations, financial position and cash flows.
We have been and may in the future become involved in various governmental investigations, audits, reviews and assessments. These include routine, regular and special investigations, audits and reviews by CMS, state insurance and health and welfare departments, state attorneys general, the OIG, the Office of Personnel Management, the Office of Civil Rights, the FTC, U.S. Congressional committees, the DOJ, U.S. Attorneys, the SEC, the CVM, the IRS, the SRF, the DOL, the FDIC and other governmental authorities. Certain of our businesses have been reviewed or are currently under review, including for, among other things, compliance with coding and other requirements under the Medicare risk-adjustment model. Such investigations, audits or reviews sometimes arise out of or prompt claims by private litigants or whistleblowers that, among other things, we failed to disclose certain business practices or, as a government contractor, submitted false claims to the government. Governmental investigations, audits, reviews and assessments could expand to subjects beyond those targeted by the original investigation, audit, review, assessment or private action and could lead to government actions, which could result in the assessment of damages, civil or criminal fines or penalties, or other sanctions, including restrictions or changes in the way we conduct business, loss of licensure or exclusion from participation in government programs, any of which could have a material adverse effect on our business, results of operations, financial position and cash flows. See Note 12 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements” for a discussion of certain of these matters.

If we fail to comply with applicable privacy and security laws, regulations and standards, including with respect to third-party service providers that utilize sensitive personal information on our behalf, or if we fail to address emerging security threats or detect and prevent privacy and security incidents, our business, reputation, results of operations, financial position and cash flows could be materially and adversely affected.
The collection, maintenance, protection, use, transmission, disclosure and disposal of sensitive personal information are regulated at the federal, state, international and industry levels and requirements are imposed on us by contracts with customers. These laws, rules and requirements are subject to change. Further, many of our businesses are subject to the Payment Card Industry Data Security Standards (PCI DSS), which is a multifaceted security standard that is designed to protect credit card account data as mandated by payment card industry entities. See Item 1, “Business - Government Regulation” for additional information. HIPAA also requires business associates as well as covered entities to comply with certain privacy and security requirements. Even though we provide for appropriate protections through our contracts with our third-party service providers and in certain cases assess their security controls, we still have limited oversight or control over their actions and practices.
Our facilities and systems and those of our third-party service providers may be vulnerable to privacy and security incidents; security attacks and breaches; acts of vandalism or theft; computer viruses; coordinated attacks by activist entities; emerging cybersecurity risks; misplaced or lost data; programming and/or human errors; or other similar events. Emerging and advanced security threats, including coordinated attacks, require additional layers of security which may disrupt or impact efficiency of operations.
Compliance with new privacy and security laws, regulations and requirements may result in increased operating costs, and may constrain our ability to manage our business model. For example, final HHS regulations released in January 2013 implementing the ARRA amendments to HIPAA may further restrict our ability to collect, disclose and use sensitive personal information and may impose additional compliance requirements on our business. In addition, HHS has announced that it will continue its audit program to assess HIPAA compliance efforts by covered entities. Although we are not aware of HHS plans to audit any of our covered entities, an audit resulting in findings or allegations of noncompliance could have a material adverse effect on our results of operations, financial position and cash flows.
Noncompliance or findings of noncompliance with applicable laws, regulations or requirements, or the occurrence of any privacy or security breach involving the misappropriation, loss or other unauthorized disclosure of sensitive personal information, whether by us or by one of our third-party service providers, could have a material adverse effect on our reputation and business, including mandatory disclosure to the media, significant increases in the cost of managing and remediating privacy or security incidents and material fines, penalties and litigation awards, among other consequences, any of which could have a material and adverse effect on our results of operations, financial position and cash flows.
Our businesses providing PBM services face regulatory and other risks and uncertainties associated with the PBM industry that may differ from the risks of our business of providing managed care and health insurance products.
We provide PBM services through our OptumRx and UnitedHealthcare businesses. Each business is subject to federal and state anti-kickback and other laws that govern their relationships with pharmaceutical manufacturers, physicians, pharmacies, customers and consumers. OptumRx also conducts business as a mail order pharmacy and specialty pharmacy, which subjects it to extensive federal, state and local laws and regulations. In addition, federal and state legislatures regularly consider new regulations for the industry that could materially and adversely affect current industry practices, including the receipt or disclosure of rebates from pharmaceutical companies, the development and use of formularies, and the use of average

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wholesale prices. See Item 1, “Business - Government Regulation” for a discussion of various federal and state laws and regulations governing our PBM businesses.
Our PBM businesses would also be materially and adversely affected by an inability to contract on favorable terms with pharmaceutical manufacturers and other suppliers, and could face potential claims in connection with purported errors by our mail order or specialty pharmacies, including in connection with the risks inherent in the packaging and distribution of pharmaceuticals and other health care products. Disruptions at any of our mail order or specialty pharmacies due to an accident or an event that is beyond our control could affect our ability to timely process and dispense prescriptions and could materially and adversely affect our results of operations, financial position and cash flows.
In addition, our PBM businesses provide services to sponsors of health benefit plans that are subject to ERISA. The DOL, which is the agency that enforces ERISA, could assert that the fiduciary obligations imposed by the statute apply to some or all of the services provided by our PBM businesses even where our PBM businesses are not contractually obligated to assume fiduciary obligations. In the event a court were to determine that fiduciary obligations apply to our PBM businesses in connection with services for which our PBM businesses are not contractually obligated to assume fiduciary obligations, we could be subject to claims for breaches of fiduciary obligations or entering into certain prohibited transactions.
UnitedHealthcare Employer & Individual recently began to transition pharmacy benefit management for approximately 12 million of its commercial members, including pharmacy claims adjudication and customer service, from Express Scripts’ subsidiary, Medco Health Solutions, Inc., to OptumRx. If our customers are not satisfied with our pharmacy benefit management services as a result of this transition, UnitedHealthcare Employer & Individual could face loss of business, which could adversely impact our results of operations, financial position and cash flows.
If we fail to compete effectively to maintain or increase our market share, including maintaining or increasing enrollments in businesses providing health benefits, our results of operations, financial position and cash flows could be materially and adversely affected.
Our businesses compete throughout the United States and face significant competition in all of the geographic markets in which we operate. We compete with other companies on the basis of many factors, including price of benefits offered and cost and risk of alternatives, location and choice of health care providers, quality of customer service, comprehensiveness of coverage offered, reputation for quality care, financial stability and diversity of product offerings. For our UnitedHealthcare businesses, competitors include Aetna Inc., Cigna Corporation, Coventry Health Care, Inc., Health Net, Inc., Humana Inc., Kaiser Permanente, WellPoint, Inc., numerous for-profit and not-for-profit organizations operating under licenses from the Blue Cross Blue Shield Association, and, with respect to our Brazilian operations, several established competitors in Brazil, and other enterprises that serve more limited geographic areas. For our OptumRx businesses, competitors include CVS Caremark Corporation, Express Scripts, Inc. and Catamaran Corporation. Our OptumHealth and OptumInsight reportable segments also compete with a broad and diverse set of businesses.
In particular markets, competitors may have greater capabilities, resources or market share; a more established reputation; superior supplier or health care professional arrangements; better existing business relationships; or other factors that give such competitors a competitive advantage. In addition, significant merger and acquisition activity has occurred in the industries in which we operate, both among our competitors and suppliers (including hospitals, physician groups and other care professionals). Consolidation may make it more difficult for us to retain or increase our customer base, improve the terms on which we do business with our suppliers, or maintain or increase profitability. If we do not compete effectively in our markets, if we set rates too high or too low in highly competitive markets, if we do not design and price our products properly and competitively, if we are unable to innovate and deliver products and services that demonstrate value to our customers, if we do not provide a satisfactory level of services, if membership or demand for other services does not increase as we expect or declines, or if we lose accounts with more profitable products while retaining or increasing membership in accounts with less profitable products, our business, results of operations, financial position and cash flows could be materially and adversely affected.
If we fail to develop and maintain satisfactory relationships with physicians, hospitals, and other health care providers, our business could be materially and adversely affected.
We contract with physicians, hospitals, pharmaceutical benefit service providers, pharmaceutical manufacturers, and other health care providers for services. Our results of operations and prospects are substantially dependent on our continued ability to contract for these services at competitive prices. Failure to develop and maintain satisfactory relationships with health care providers, whether in-network or out-of-network, could materially and adversely affect our business, results of operations, financial position and cash flows.
In any particular market, physicians and health care providers could refuse to contract, demand higher payments, or take other actions that could result in higher medical costs, less desirable products for customers or difficulty meeting regulatory or accreditation requirements. In some markets, certain health care providers, particularly hospitals, physician/hospital

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organizations or multi-specialty physician groups, may have significant market positions or near monopolies that could result in diminished bargaining power on our part. In addition, accountable care organizations (ACOs), practice management companies, which aggregate physician practices for administrative efficiency and marketing leverage, and other organizational structures that physicians, hospitals and other care providers choose may change the way that these providers interact with us and may change the competitive landscape. Such organizations or groups of physicians may compete directly with us, which may impact our relationships with these providers or affect the way that we price our products and estimate our costs and may require us to incur costs to change our operations, and our results of operations, financial position and cash flows could be adversely affected. In addition, if these providers refuse to contract with us, use their market position to negotiate favorable contracts or place us at a competitive disadvantage, our ability to market products or to be profitable in those areas could be materially and adversely affected.
We have capitation arrangements with some physicians, hospitals and other health care providers. Capitation arrangements limit our exposure to the risk of increasing medical costs, but expose us to risk related to the adequacy of the financial and medical care resources of the health care provider. To the extent that a capitated health care provider organization faces financial difficulties or otherwise is unable to perform its obligations under the capitation arrangement, we may be held responsible for unpaid health care claims that should have been the responsibility of the capitated health care provider and for which we have already paid the provider under the capitation arrangement. Further, payment or other disputes between a primary care provider and specialists with whom the primary care provider contracts can result in a disruption in the provision of services to our members or a reduction in the services available to our members. There can be no assurance that health care providers with whom we contract will properly manage the costs of services, maintain financial solvency or avoid disputes with other providers. Any of these events could have a material adverse effect on the provision of services to our members and our operations.
Some providers that render services to our members do not have contracts with us. In those cases, we do not have a pre-established understanding about the amount of compensation that is due to the provider for services rendered to our members. In some states, the amount of compensation due to these out-of-network providers is defined by law or regulation, but in most instances, it is either not defined or it is established by a standard that does not clearly specify dollar terms. In some instances, providers may believe that they are underpaid for their services and may either litigate or arbitrate their dispute with us or try to recover from our members the difference between what we have paid them and the amount they charged us. For example, we are involved in litigation with out-of-network providers, as described in more detail in “Litigation Matters” in Note 12 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements.”
The success of certain Optum businesses, particularly Collaborative Care, depends on maintaining satisfactory physician relationships. The primary care physicians that practice medicine or contract with our affiliated physician organizations could terminate their provider contracts or otherwise become unable or unwilling to continue practicing medicine or contracting with us. If we are unable to maintain satisfactory relationships with primary care physicians, or to retain enrollees following the departure of a physician, our revenues could be materially and adversely affected. In addition, our affiliated physician organizations contract with health insurance and HMO competitors of UnitedHealthcare. If our affiliated physician organizations fail to maintain relationships with these health insurance or HMO companies, or to adequately price their contracts with these third party payers, our results of operations, financial position and cash flows could be materially and adversely affected.
In addition, physicians, hospitals, pharmaceutical benefit service providers, pharmaceutical manufacturers, and certain health care providers are customers of our Optum businesses. Given the importance of health care providers and other constituents to our businesses, failure to maintain satisfactory relationships with them could materially and adversely affect our results of operations, financial position and cash flows.
Because of the nature of our business, we are routinely subject to various litigation actions, which could damage our reputation and, if resolved unfavorably, could result in substantial penalties and/or monetary damages and materially and adversely affect our results of operations, financial position and cash flows.
Because of the nature of our business, we are routinely made party to a variety of legal actions related to, among other things, the design, management and delivery of our product and service offerings. These matters have included or could in the future include claims related to health care benefits coverage and payment (including disputes with enrollees, customers, and contracted and non-contracted physicians, hospitals and other health care professionals), tort (including claims related to the delivery of health care services, such as medical malpractice by health care practitioners who are employed by us, have contractual relationships with us, or serve as providers to our managed care networks), contract and labor disputes, tax claims and claims related to disclosure of certain business practices. We are also party to certain class action lawsuits brought by health care professional groups and consumers. In addition, we periodically acquire businesses or commence operations in jurisdictions outside of the United States, where contractual rights, tax positions and applicable regulations may be subject to interpretation or uncertainty to a greater degree than in the United States, and therefore subject to dispute by customers, government authorities or others. We are largely self-insured with regard to litigation risks. Although we maintain excess

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liability insurance with outside insurance carriers for claims in excess of our self-insurance, certain types of damages, such as punitive damages in some circumstances, are not covered by insurance. We record liabilities for our estimates of the probable costs resulting from self-insured matters; however, it is possible that the level of actual losses will significantly exceed the liabilities recorded. 
A description of significant legal actions in which we are currently involved is included in Note 12 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements.” We cannot predict the outcome of these actions with certainty, and we are incurring expenses in resolving these matters. The legal actions we face or may face in the future could further increase our cost of doing business and materially and adversely affect our results of operations, financial position and cash flows. In addition, certain legal actions could result in adverse publicity, which could damage our reputation and materially and adversely affect our ability to retain our current business or grow our market share in select markets and businesses.
Any failure by us to successfully manage our strategic alliances or complete, manage or integrate acquisitions and other significant strategic transactions could materially and adversely affect our business, prospects, results of operations, financial position and cash flows.
As part of our business strategy, we frequently engage in discussions with third parties regarding possible investments, acquisitions, divestitures, strategic alliances, joint ventures, and outsourcing transactions and often enter into agreements relating to such transactions. For example, we have a strategic alliance with AARP under which we provide AARP-branded Medicare Supplement insurance to AARP members and other AARP-branded products and services to both AARP members and non-members. If we fail to meet the needs of AARP and its members, including by developing additional products and services, pricing our products and services competitively or responding effectively to applicable federal and state regulatory changes, our alliance with the AARP could be damaged or terminated, which in turn could adversely impact our reputation, business and results of operations. Further, if we fail to identify and complete successfully transactions that further our strategic objectives, we may be required to expend resources to develop products and technology internally, we may be at a competitive disadvantage or we may be adversely affected by negative market perceptions, any of which may have a material adverse effect on our results of operations, financial position or cash flows. For acquisitions, success is also dependent upon efficiently integrating the acquired business into our existing operations. We are required to integrate these businesses into our internal control environment, which may present challenges that are different than those presented by organic growth and that may be difficult to manage. If we are unable to successfully integrate and grow these acquisitions and to realize contemplated revenue synergies and cost savings, our business, prospects, results of operations, financial position and cash flows could be materially and adversely affected.
As we continue to expand our business outside the United States, acquired foreign businesses, such as Amil, will present challenges that are different from those presented by acquisitions of domestic businesses, including adapting to new markets, business, labor and cultural practices and regulatory environments that are materially different from what we have experienced in our U.S. operations. For more information on the Amil acquisition, see Note 6 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements.” Adapting to these challenges could require us to devote significant senior management and other resources to the acquired businesses before we realize anticipated benefits or synergies from the acquired businesses. These challenges vary widely by country and may include political instability, government intervention, discriminatory regulation, and currency exchange controls or other restrictions that could prevent us from transferring funds from these operations out of the countries in which our acquired businesses operate or converting local currencies that we hold into U.S. dollars or other currencies. If we are unable to successfully manage our foreign acquisitions, our business, prospects, results of operations and financial position could be materially and adversely affected.
Additionally, foreign currency exchange rates and fluctuations may have an impact on our shareholders’ equity from period to period, which could adversely affect our debt to debt-plus-equity ratio, and the future costs of or revenues and cash flows from our international operations, and any measures we may implement to reduce the effect of volatile currencies may be costly or ineffective.
Sales of our products and services are dependent on our ability to attract, retain and provide support to a network of independent producers and consultants.
Our products are sold in part through independent producers and consultants who assist in the production and servicing of business. We typically do not have long-term contracts with our producers and consultants, who generally are not exclusive to us and who typically also recommend and/or market health care products and services of our competitors. As a result, we must compete intensely for their services and allegiance. Our sales would be materially and adversely affected if we were unable to attract or retain independent producers and consultants or if we do not adequately provide support, training and education to them regarding our product portfolio, or if our sales strategy is not appropriately aligned across distribution channels.
Because producer commissions are included as administrative expenses under the medical loss ratio requirements of the Health Reform Legislation, these expenses will be under the same cost reduction pressures as other administrative costs. Our

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relationships with producers could be materially and adversely impacted by changes in our business practices and the nature of our relationships to address these pressures, including potential reductions in commissions.
In addition, there have been a number of investigations regarding the marketing practices of producers selling health care products and the payments they receive. These have resulted in enforcement actions against companies in our industry and producers marketing and selling these companies’ products. These investigations and enforcement actions could result in penalties and the imposition of corrective action plans, which could materially and adversely impact our ability to market our products.
Unfavorable economic conditions could materially and adversely affect our revenues and our results of operations.
Unfavorable economic conditions may impact demand for certain of our products and services. For example, high unemployment rates have caused and could continue to cause lower enrollment or lower rates of renewal in our employer group plans and our non-employer individual plans. Unfavorable economic conditions have also caused and could continue to cause employers to stop offering certain health care coverage as an employee benefit or elect to offer this coverage on a voluntary, employee-funded basis as a means to reduce their operating costs. In addition, unfavorable economic conditions could adversely impact our ability to increase premiums or result in the cancellation by certain customers of our products and services. All of these could lead to a decrease in our membership levels and premium and fee revenues and could materially and adversely affect our results of operations, financial position and cash flows.
During a prolonged unfavorable economic environment, state and federal budgets could be materially and adversely affected, resulting in reduced reimbursements or payments in our federal and state government health care coverage programs, including Medicare, Medicaid and CHIP. A reduction in state Medicaid reimbursement rates could be implemented retrospectively to payments already negotiated and/or received from the government and could materially and adversely affect our results of operations, financial position and cash flows. In addition, the state and federal budgetary pressures could cause the government to impose new or a higher level of taxes or assessments for our commercial programs, such as premium taxes on insurance companies and health maintenance organizations and surcharges or fees on select fee-for-service and capitated medical claims, and could materially and adversely affect our results of operations, financial position and cash flows.
In addition, a prolonged unfavorable economic environment could adversely impact the financial position of hospitals and other care providers, which could materially and adversely affect our contracted rates with these parties and increase our medical costs or materially and adversely affect their ability to purchase our service offerings. Further, unfavorable economic conditions could adversely impact the customers of our Optum businesses, including health plans, HMOs, hospitals, care providers, employers and others, which could, in turn, materially and adversely affect Optum’s financial results.
Our investment portfolio may suffer losses, which could materially and adversely affect our results of operations, financial position and cash flows.
Market fluctuations could impair our profitability and capital position. Volatility in interest rates affects our interest income and the market value of our investments in debt securities of varying maturities, which comprise the vast majority of the fair value of our investments as of December 31, 2012. Relatively low interest rates on investments, such as those experienced during recent years, have adversely impacted our investment income, and a prolonged low interest rate environment could further adversely affect our investment income. In addition, a delay in payment of principal and/or interest by issuers, or defaults by issuers (primarily from investments in corporate and municipal bonds), could reduce our net investment income and we may be required to write down the value of our investments, which could materially and adversely affect our profitability and shareholders’ equity.
We also allocate a small proportion of our portfolio to equity investments, which are subject to greater volatility than fixed income investments. General economic conditions, stock market conditions, and many other factors beyond our control can materially and adversely affect the value of our equity investments and may result in investment losses.
There can be no assurance that our investments will produce total positive returns or that we will not sell investments at prices that are less than their carrying values. Changes in the value of our investment assets, as a result of interest rate fluctuations, changes in issuer financial conditions, illiquidity or otherwise, could have an adverse effect on our shareholders’ equity. In addition, if it became necessary for us to liquidate our investment portfolio on an accelerated basis, it could have a material adverse effect on our results of operations and the capital position of regulated subsidiaries.
If the value of our intangible assets is materially impaired, our results of operations, shareholders’ equity and debt ratings could be materially and adversely affected.
Goodwill and other intangible assets were $36.0 billion as of December 31, 2012, representing 44% of our total consolidated assets. We periodically evaluate our goodwill and other intangible assets to determine whether all or a portion of their carrying values may be impaired, in which case a charge to earnings may be necessary. For example, the manner in or the extent to which the Health Reform Legislation is implemented may impact our ability to maintain the value of our goodwill and other

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intangible assets in our business. Similarly, the value of our goodwill may be materially and adversely impacted if businesses that we acquire perform in a manner that is inconsistent with our assumptions. In addition, from time to time we divest businesses, and any such divestiture could result in significant asset impairment and disposition charges, including those related to goodwill and other intangible assets. Any future evaluations requiring an impairment of our goodwill and other intangible assets could materially and adversely affect our results of operations and shareholders’ equity in the period in which the impairment occurs. A material decrease in shareholders’ equity could, in turn, adversely impact our debt ratings or potentially impact our compliance with our debt covenants.
If we fail to properly maintain the integrity or availability of our data or to strategically implement new or upgrade or consolidate existing information systems, or if our technology products do not operate as intended, our business could be materially and adversely affected.
Our ability to adequately price our products and services, to provide effective service to our customers in an efficient and uninterrupted fashion, and to accurately report our results of operations depends on the integrity of the data in our information systems. As a result of technology initiatives and recently enacted regulations, changes in our system platforms and integration of new business acquisitions, we periodically consolidate, integrate, upgrade and expand our information systems capabilities. Our information systems require an ongoing commitment of significant resources to maintain, protect and enhance existing systems and develop new systems to keep pace with continuing changes in information processing technology, evolving systems and regulatory standards, emerging cybersecurity risks and threats, and changing customer patterns. If the information we rely upon to run our businesses was found to be inaccurate or unreliable or if we fail to maintain or protect our information systems and data integrity effectively, we could lose existing customers, have difficulty attracting new customers, have problems in determining medical cost estimates and establishing appropriate pricing, have difficulty preventing, detecting and controlling fraud, have disputes with customers, physicians and other health care professionals, have regulatory sanctions or penalties imposed, have increases in operating expenses or suffer other adverse consequences. There can be no assurance that our process of consolidating the number of systems we operate, upgrading and expanding our information systems capabilities, protecting our systems against cybersecurity risks and threats, enhancing our systems and developing new systems to keep pace with continuing changes in information processing technology will be successful or that additional systems issues will not arise in the future. Failure to protect, consolidate and integrate our systems successfully could result in higher than expected costs and diversion of management’s time and energy, which could materially and adversely affect our results of operations, financial position and cash flows.
Certain of our businesses sell and install hardware and software products, and these products may contain unexpected design defects or may encounter unexpected complications during installation or when used with other technologies utilized by the customer. Connectivity among competing technologies is becoming increasingly important in the health care industry. A failure of our technology products to operate as intended and in a seamless fashion with other products could materially and adversely affect our results of operations, financial position and cash flows.
In addition, uncertain and rapidly evolving U.S. federal and state, non-U.S. and international laws and regulations related to the health information technology market may present compliance challenges and could materially and adversely affect the configuration of our information systems and platforms, and our ability to compete in this market.
If we are not able to protect our proprietary rights to our databases and related products, our ability to market our knowledge and information-related businesses could be hindered and our results of operations, financial position and cash flows could be materially and adversely affected.
We rely on our agreements with customers, confidentiality agreements with employees, and our trademarks, trade secrets, copyrights and patents to protect our proprietary rights. These legal protections and precautions may not prevent misappropriation of our proprietary information. In addition, substantial litigation regarding intellectual property rights exists in the software industry, and we expect software products to be increasingly subject to third-party infringement claims as the number of products and competitors in this industry segment grows. Such litigation and misappropriation of our proprietary information could hinder our ability to market and sell products and services and our results of operations, financial position and cash flows could be materially and adversely affected.
Our ability to obtain funds from some of our subsidiaries is restricted and if we are unable to obtain sufficient funds from our subsidiaries to fund our obligations, our results of operations and financial position could be materially and adversely affected.
Because we operate as a holding company, we are dependent upon dividends and administrative expense reimbursements from some of our subsidiaries to fund our obligations. Many of these subsidiaries are regulated by departments of insurance. We are also required by law or regulation to maintain specific prescribed minimum amounts of capital in these subsidiaries. The levels of capitalization required depend primarily upon the volume of premium revenues generated by the applicable subsidiary. A significant increase in premium volume will require additional capitalization from us. In most states, we are required to seek prior approval by these state regulatory authorities before we transfer money or pay dividends from these subsidiaries that

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exceed specified amounts. An inability of our regulated subsidiaries to pay dividends to their parent companies in the desired amounts or at the time of our choosing could adversely affect our ability to reinvest in our business through capital expenditures or business acquisitions, as well as our ability to maintain our corporate quarterly dividend payment cycle, repurchase shares of our common stock and repay our debt. If we are unable to obtain sufficient funds from our subsidiaries to fund our obligations, our results of operations and financial position could be materially and adversely affected.
Downgrades in our credit ratings, should they occur, may adversely affect our business, financial condition and results of operations.
Claims paying ability, financial strength, and credit ratings by Nationally Recognized Statistical Rating Organizations are important factors in establishing the competitive position of insurance companies. Ratings information is broadly disseminated and generally used throughout the industry. We believe our claims paying ability and financial strength ratings are important factors in marketing our products to certain of our customers. Our credit ratings impact both the cost and availability of future borrowings. Each of the credit rating agencies reviews its ratings periodically and there can be no assurance that current credit ratings will be maintained in the future. Our ratings reflect each credit rating agency’s opinion of our financial strength, operating performance and ability to meet our debt obligations or obligations to policyholders. Downgrades in our credit ratings, should they occur, may adversely affect our results of operations, financial position and cash flows.
ITEM 1B.    UNRESOLVED STAFF COMMENTS
None.
ITEM  2.
PROPERTIES
To support our business operations in the United States and other countries we own and lease real properties. Our various reportable segments use these facilities for their respective business purposes, and we believe these current facilities are suitable for their respective uses and are adequate for our anticipated future needs.
ITEM 3.    LEGAL PROCEEDINGS
See Note 12 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements.”
ITEM  4.
MINE SAFETY DISCLOSURES
N/A

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PART II 
ITEM   5.
MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES
MARKET PRICES
Our common stock is traded on the New York Stock Exchange (NYSE) under the symbol UNH. On January 31, 2013, there were 15,204 registered holders of record of our common stock. The per share high and low common stock sales prices reported by the NYSE were as follows:
 
High
 
Low
 
Cash Dividends Declared
2013
 
 
 
 
 
First quarter (through February 6, 2013)
$
57.83

 
$
51.36

 
$
0.2125

 
 
 
 
 
 
2012
 
 
 
 
 
First quarter
$
59.43

 
$
49.82

 
$
0.1625

Second quarter
$
60.75

 
$
53.78

 
$
0.2125

Third quarter
$
59.31

 
$
50.32

 
$
0.2125

Fourth quarter
$
58.29

 
$
51.09

 
$
0.2125

 
 
 
 
 
 
2011
 
 
 
 
 
First quarter
$
45.75

 
$
36.37

 
$
0.1250

Second quarter
$
52.64

 
$
43.30

 
$
0.1625

Third quarter
$
53.50

 
$
41.27

 
$
0.1625

Fourth quarter
$
51.71

 
$
41.32

 
$
0.1625

DIVIDEND POLICY
In June 2012, our Board of Directors increased our cash dividend on common stock to an annual dividend rate of $0.85 per share, paid quarterly. Since May 2011, we had paid an annual cash dividend on common stock of $0.65 per share, distributed quarterly. Declaration and payment of future quarterly dividends is at the discretion of the Board and may be adjusted as business needs or market conditions change.
ISSUER PURCHASES OF EQUITY SECURITIES
Issuer Purchases of Equity Securities (a)
Fourth Quarter 2012
For the Month Ended
 
Total Number
of Shares
Purchased
 
Average Price
Paid per Share
 
Total Number of
Shares Purchased
as Part of Publicly
Announced Plans
or Programs
 
Maximum Number
of Shares That May
Yet Be Purchased
Under The Plans or
Programs
 
 
(in millions)
 
 
 
(in millions)
 
(in millions)
October 31, 2012
 

 
$

 

 
94

November 30, 2012
 

 

 

 
94

December 31, 2012
 
9

 
54

 
9

 
85

Total
 
9

  
$
54

 
9

 
 
 
(a)
In November 1997, our Board of Directors adopted a share repurchase program, which the Board evaluates periodically. In June 2012, the Board renewed and expanded our share repurchase program with an authorization to repurchase up to 110 million shares of our common stock in open market purchases or other types of transactions (including prepaid or structured repurchase programs). There is no established expiration date for the program.
UNREGISTERED SALE OF EQUITY SECURITIES
On November 2, 2012, we issued and sold, in reliance on Section 4(a)(2) of the Securities Act of 1933, as amended, 8 million shares of our common stock to CSHG 1122 FUNDO DE INVESTIMENTO MULTIMERCADO - CRÉDITO PRIVADO

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INVESTIMENTO NO EXTERIOR, a fund wholly beneficially owned by Dr. Edson de Godoy Bueno, a member of our Board of Directors. We received net proceeds of approximately $470 million in cash and did not pay underwriting or placement discounts or fees in the transaction. Dr. Bueno has agreed to hold the shares for five years from the date of sale, subject to certain exceptions.
PERFORMANCE GRAPHS
The following two performance graphs compare our total return to shareholders with the returns of indexes of other specified companies and the S&P 500 Index. The first graph compares the cumulative five-year total return to shareholders on our common stock relative to the cumulative total returns of the S&P 500 index and a customized peer group of certain Fortune 50 companies (the “Fortune 50 Group”), for the five-year period ended December 31, 2012. The second graph compares our cumulative total return to shareholders with the S&P 500 Index and an index of a group of peer companies selected by us for the five-year period ended December 31, 2012. We are not included in either the Fortune 50 Group index in the first graph or the peer group index in the second graph. In calculating the cumulative total shareholder return of the indexes, the shareholder returns of the Fortune 50 Group companies in the first graph and the peer group companies in the second graph are weighted according to the stock market capitalizations of the companies at January 1 of each year. The comparisons assume the investment of $100 on December 31, 2007 in our common stock and in each index, and that dividends were reinvested when paid.
 
Fortune 50 Group
The Fortune 50 Group consists of the following companies: American International Group, Inc., Berkshire Hathaway Inc., Cardinal Health, Inc., Citigroup Inc., General Electric Company, International Business Machines Corporation and Johnson & Johnson. Although there are differences in terms of size and industry, like UnitedHealth Group, all of these companies are large multi-segment companies using a well-defined operating model in one or more broad sectors of the economy.
COMPARISON OF 5 YEAR CUMULATIVE TOTAL RETURN
Among UnitedHealth Group, the S&P 500 Index,
and Fortune 50 Group
 
12/07
 
12/08
 
12/09
 
12/10
 
12/11
 
12/12
UnitedHealth Group
$
100.00

 
$
45.74

 
$
52.49

 
$
62.93

 
$
89.48

 
$
97.17

S&P 500 Index
100.00

 
63.00

 
79.67

 
91.67

 
93.61

 
108.59

Fortune 50 Group
100.00

 
52.66

 
58.88

 
69.57

 
69.55

 
82.41

The stock price performance included in this graph is not necessarily indicative of future stock price performance.

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Peer Group
The companies included in our peer group are Aetna Inc., Cigna Corporation, Coventry Health Care, Inc., Humana Inc. and WellPoint, Inc. We believe that this peer group reflects publicly traded peers to our UnitedHealthcare businesses.

COMPARISON OF 5 YEAR CUMULATIVE TOTAL RETURN
Among UnitedHealth Group, the S&P 500 Index,
and a Peer Group

 
12/07
 
12/08
 
12/09
 
12/10
 
12/11
 
12/12
UnitedHealth Group
$
100.00

 
$
45.74

 
$
52.49

 
$
62.93

 
$
89.48

 
$
97.17

S&P 500 Index
100.00

 
63.00
 
79.67
 
91.67
 
93.61
 
108.59
Peer Group
100.00

 
44.58

 
60.73

 
62.11

 
80.06

 
83.33


The stock price performance included in this graph is not necessarily indicative of future stock price performance.



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ITEM 6.
SELECTED FINANCIAL DATA
FINANCIAL HIGHLIGHTS
 
 
For the Year Ended December 31,
(In millions, except percentages and per share data)
 
2012
 
2011
 
2010
 
2009
 
2008
Consolidated operating results
 
 
 
 
 
 
 
 
 
 
Revenues
 
$
110,618

 
$
101,862

 
$
94,155

 
$
87,138

 
$
81,186

Earnings from operations
 
9,254

 
8,464

 
7,864

 
6,359

 
5,263

Net earnings
 
5,526

 
5,142

 
4,634

 
3,822

 
2,977

Return on shareholders’ equity (a)
 
18.7
%
 
18.9
%
 
18.7
%
 
17.3
%
 
14.9
%
Basic earnings per share attributable to UnitedHealth Group common shareholders
 
$
5.38

 
$
4.81

 
$
4.14

 
$
3.27

 
$
2.45

Diluted earnings per share attributable to UnitedHealth Group common shareholders
 
5.28

 
4.73

 
4.10

 
3.24

 
2.40

Cash dividends declared per common share
 
0.8000

 
0.6125

 
0.4050

 
0.0300

 
0.0300

 
 
 
 
 
 
 
 
 
 
 
Consolidated cash flows from (used for)
 
 
 
 
 
 
 
 
 
 
Operating activities
 
$
7,155

 
$
6,968

 
$
6,273

 
$
5,625

 
$
4,238

Investing activities
 
(8,649
)
 
(4,172
)
 
(5,339
)
 
(976
)
 
(5,072
)
Financing activities
 
471

 
(2,490
)
 
(1,611
)
 
(2,275
)
 
(605
)
 
 
 
 
 
 
 
 
 
 
 
Consolidated financial condition
 
 
 
 
 
 
 
 
 
 
(As of December 31)
 
 
 
 
 
 
 
 
 
 
Cash and investments
 
$
29,148

 
$
28,172

 
$
25,902

 
$
24,350

 
$
21,575

Total assets
 
80,885

 
67,889

 
63,063

 
59,045

 
55,815

Total commercial paper and long-term debt
 
16,754

 
11,638

 
11,142

 
11,173

 
12,794

Shareholders’ equity
 
31,178

 
28,292

 
25,825

 
23,606

 
20,780

Debt to debt-plus-equity ratio
 
35.0
%
 
29.1
%
 
30.1
%
 
32.1
%
 
38.1
%
(a)
Return on equity is calculated as net earnings divided by average equity. Average equity is calculated using the equity balance at the end of the preceding year and the equity balances at the end of the four quarters of the year presented.
Financial Highlights should be read with the accompanying Management’s Discussion and Analysis of Financial Condition and Results of Operations in Item 7 and the Consolidated Financial Statements and Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements.”


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ITEM  7.
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
The following discussion should be read together with the accompanying Consolidated Financial Statements and Notes to the Consolidated Financial Statements thereto. Readers are cautioned that the statements, estimates, projections or outlook contained in this report, including discussions regarding financial prospects, economic conditions, trends and uncertainties contained in this Item 7, may constitute forward-looking statements within the meaning of the PSLRA. These forward-looking statements involve risks and uncertainties that may cause our actual results to differ materially from the results discussed in the forward-looking statements. A description of some of the risks and uncertainties can be found further below in this Item 7 and in Item 1A, “Risk Factors.”
EXECUTIVE OVERVIEW
General
UnitedHealth Group is a diversified health and well-being company dedicated to helping people live healthier lives and making health care work better. We offer a broad spectrum of products and services through two distinct platforms: UnitedHealthcare, which provides health care coverage and benefits services; and Optum, which provides information and technology-enabled health services. Further information on our business is included in Item 1, “Business” and additional information on the our segments can be found in this Item 7 and in Note 13 to the Consolidated Financial Statements in Item 8, “Financial Statements.”
Revenues
Our revenues are primarily comprised of premiums derived from risk-based health insurance arrangements in which the premium is typically at a fixed rate per individual served for a one-year period, and we assume the economic risk of funding our customers’ health care benefits and related administrative costs. We also generate revenues from fee-based services performed for customers that self-insure the health care costs of their employees and employees’ dependants. For both risk-based and fee-based health care benefit arrangements, we provide coordination and facilitation of medical services; transaction processing; health care professional services; and access to contracted networks of physicians, hospitals and other health care professionals. We also generate service revenues from our Optum businesses relating to care management, consumer engagement and support, distribution of benefits and services, health financial services, operational services and support, health care information technology and pharmacy services. Product revenues are mainly comprised of products sold by our pharmacy benefit management business. We derive investment income primarily from interest earned on our investments in debt securities; investment income also includes gains or losses when investment securities are sold, or other-than-temporarily impaired.
Pricing Trends. We seek to price our products consistent with anticipated underlying medical trends, while balancing growth, margins, competitive dynamics, cost increases for the industry fees and tax provisions of Health Reform Legislation and premium rebates at the local market level. We endeavor to sustain a commercial medical care ratio in a stable range for an equivalent mix of business. Changes in business mix and Health Reform Legislation may impact our premiums, medical costs and medical care ratio. Further, we continue to expect premium rates to be under pressure through continued market competition in commercial products and government payment rates. Aggregating UnitedHealthcare’s businesses, we expect the medical care ratio to rise over time as we continue to grow in the senior and public markets and participate in the health benefit exchange market in 2014.
In the commercial market segment, we expect pricing to continue to be highly competitive in 2013. We plan to hold to our pricing disciplines and, considering the competitive environment and persistently weak employment and new business formation rates, we expect continued pressure on our commercial risk-based product membership in 2013. Additionally, self-insured membership as a percent of total commercial membership is expected to continue to increase at a modest pace in 2013 and beyond, due in part to the emerging popularity of midsize employers moving to self-funded arrangements.
In government programs, we are seeing continuing rate pressures, and rate changes for some Medicaid programs are slightly negative. Unlike in prior years, recent Medicaid reductions have generally not been mitigated by corresponding benefit reductions or care provider fee schedule reductions by the state sponsor. We continue to take a prudent, market-sustainable posture for both new bids and maintenance of existing Medicaid contracts. Medicare funding is similarly pressured; see further discussion below in “Regulatory Trends and Uncertainties.” We expect these factors to result in pressure on gross margin percentages for our Medicare and Medicaid programs in 2013.
In 2013, UnitedHealthcare created a new affordable “Basic Plan” for Medicare Part D consumers and reclassified its large 4 million member Medicare Part D plan to an “Enhanced Plan” status with CMS. The change to Enhanced Plan status changes the seasonal pattern of earnings to later in the year with no material impact expected on full year profitability.

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Operating Costs
Medical Costs. Medical costs represent the costs of our obligations for claims and/or benefits of our risk-based insurance arrangements. Our operating results depend in large part on our ability to effectively estimate, price for and manage our medical costs through underwriting criteria, product design, negotiation of favorable care provider contracts and care coordination programs. Controlling medical costs requires a comprehensive and integrated approach to organize and advance the full range of interrelationships among patients/consumers, health professionals, hospitals, pharmaceutical/technology manufacturers and other key stakeholders.
Medical costs include estimates of our obligations for medical care services rendered on behalf of insured consumers for which we have not yet received or processed claims, and our estimates for physician, hospital and other medical cost disputes. In every reporting period, our operating results include the effects of more completely developed medical costs payable estimates associated with previously reported periods.
Our medical care ratio, calculated as medical costs as a percentage of premium revenues, reflects the combination of pricing, rebates, benefit designs, consumer health care utilization and comprehensive care facilitation efforts.
Medical Cost Trends. In 2012, we managed our commercial medical cost trend to a level under 5.5 percent. In 2013, we expect a slight increase in trend from 2012, albeit with relatively consistent unit cost and utilization trends compared to 2012. We expect our total trend will be driven primarily by continued unit cost pressure from health care providers as they try to compensate for soft utilization trends and cross-subsidization pressure due to their government reimbursement levels.
Underlying utilization trends declined significantly in 2010 and increased modestly in 2011 and 2012. Use of outpatient services has been the primary driver of utilization trend increase, with inpatient utilization declining. We also experienced an increase in prescription drug costs in 2012 and expect that trend to continue due to unit cost pressure and a trend towards expensive new specialty drugs. As we move into 2013, we believe current utilization trends are slightly below what we believe to be normal utilization levels. The weak economic environment, combined with our medical cost management, has had a favorable impact on utilization trends. We believe our alignment of progressive benefit designs, consumer engagement, clinical management, pay-for-performance reimbursement programs for care providers and network resources is favorably controlling medical and pharmacy costs, enhancing affordability and quality for our customers and members and helping to drive strong market response and growth.
Operating Costs. Operating costs are primarily comprised of costs related to employee compensation and benefits, agent and broker commissions, premium taxes and assessments, professional fees, advertising and occupancy costs. We seek to improve our operating cost ratio, calculated as operating costs as a percentage of total revenues, for an equivalent mix of business. However, changes in business mix, such as increases in the size of our health services businesses or an increase in the delivery of medical services on an integrated basis may impact our operating costs and operating cost ratio.
Other Business Trends
Our businesses participate in the U.S., Brazilian and certain other health economies. In the U.S., health care spending comprises approximately 18% of gross domestic product and has grown consistently for many years. We expect overall spending on health care to continue to grow in the future, due to inflation, medical technology and pharmaceutical advancement, regulatory requirements, demographic trends in the population and national interest in health and well-being. The rate of market growth may be affected by a variety of factors, including macro-economic conditions and regulatory changes, including in the U.S. enacted health care reforms, which could also impact our results of operations.
Delivery System and Payment Modernization. The market is changing based on demographic shifts, new regulations, political forces and both payer and patient expectations. These factors are creating market pressures to change from fee-for-service models to new delivery models focused on the holistic health of the consumer, integrated care across care providers and pay-for-performance payment structures. Health plans and care providers are being called upon to work together to close gaps in care and improve the overall care for people, improve the health of a population and reduce the cost of care. The focus on delivery system modernization and payment reform is critical and the alignment of incentives between key constituents remains an important theme. We have seen increased participation in incentive-based payment models such as pay for performance, shared savings, bundled/episode payment and Patient-Centered Medical Home models (PCMHs). We also have seen continued development and deployment of risk-based accountable care models designed to modernize local delivery systems by better coordinating care, reducing the fragmentation of treatments between multiple care providers in the current system, limiting unnecessary hospital admissions and readmissions, focusing on preventive care, breaking down reimbursement and treatment “silos,” and improving quality and outcomes.

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This trend is creating the need for health management services that can coordinate care around the primary care physician and for investment in new clinical and administrative information and management systems, providing growth opportunities for our Optum business platform.
Government Reliance on Private Sector. The government, as a benefit sponsor, has been increasingly relying on private sector solutions. We expect this trend to continue as we believe the private sector provides a more flexible, better managed, higher quality health care experience than do traditional passive indemnity programs typically used in governmental benefit programs.

States are struggling to balance unprecedented budget pressures with increases in their Medicaid expenditures. At the same time, many are expanding their interest in managed care with particular emphasis on consumers who have complex and expensive health care needs. More and more, Medicaid managed care is being viewed as an effective method to improve quality and manage costs. Additionally, there are more than nine million individuals eligible for both Medicare and Medicaid. Dually eligible beneficiaries typically have complex conditions with costs of care that are far higher than a typical Medicare or Medicaid beneficiary. While these individuals’ health needs are more complex and more costly, they have historically been in unmanaged environments. This provides UnitedHealthcare an opportunity to integrate Medicare and Medicaid financing to fund efforts to optimize the health status of this frail population through close coordination of care. As of December 31, 2012, UnitedHealthcare served more than 250,000 members in legacy dually eligible programs through Medicare Advantage and SNPs. In 2013, UnitedHealthcare Community & State will help implement Ohio’s MME program, one of the first in the country under the new CMS design.
Regulatory Trends and Uncertainties
Following is a summary of management’s view of the trends and uncertainties related to some of the key provisions of the Health Reform Legislation and other regulatory items; for additional information regarding the Health Reform Legislation and Regulatory Trends and Uncertainties, see Item 1, “Business - Government Regulation” and Item 1A, “Risk Factors.”
Commercial Rate Increase Review. The Health Reform Legislation requires HHS to maintain an annual review of “unreasonable” increases in premium rates for commercial health plans. HHS established a review threshold of annual premium rate increases generally at or above 10% and clarified that HHS review will not supersede existing state review and approval procedures. Premium rate review legislation (ranging from new or enhanced rate filing requirements to prior approval requirements) has been introduced or passed in more than half of the states as of the date of this report.
The competitive forces common in our markets do not support unjustifiable rate increases. We have experienced and expect to continue to experience a tight, competitive commercial pricing environment. Further, our rates and rate filings are developed using methods consistent with the standards of actuarial practices. We anticipate requesting rate increases above 10% in a number of markets due to the combination of medical cost trends and the incremental costs of health care reform. We have begun to experience greater regulatory challenges to appropriate premium rate increases in several states, including California and New York. Depending on the level of scrutiny by the states, there is a broad range of potential business impacts. For example, it may become more difficult to price our commercial risk business consistent with expected underlying cost trends, leading to the risk of operating margin compression in the commercial health benefits business.
Medicare Advantage Rates and Minimum Loss Ratios. Medicare Advantage pricing benchmarks have been cut over the last several years and additional cuts were implemented in 2012, with changes to continue to be phased in over the next one to five years (benchmarks will ultimately range from 95% of Medicare fee-for-service rates in high cost areas to 115% in low cost areas), depending on the level of benchmark reduction in a county. Additionally, Congress passed the Budget Control Act of 2011, which as amended by the American Taxpayer Relief Act of 2012, would trigger automatic across-the-board budget cuts (sequestration), including a reduction in outlays for Medicare starting in March 2013, absent further Congressional action. Further, beginning in 2014, Medicare Advantage plans will be required to have a minimum medical loss ratio of 85%. CMS has not yet issued guidance as to how this requirement will be calculated for Medicare Advantage plans.
A significant portion of our network contracts are tied to Medicare reimbursement levels. However, future Medicare Advantage rates may be outpaced by underlying medical cost trends, placing continued importance on effective medical management and ongoing improvements in administrative costs. There are a number of annual adjustments we can and are making to our operations, which may partially offset any impact from these rate reductions. For example, we seek to intensify our medical and operating cost management, adjust members’ benefits and decide on a county-by-county basis in which geographies to participate. Additionally, achieving high quality scores from CMS for improving upon certain clinical and operational performance standards will impact future quality bonuses that may offset these anticipated rate reductions. The expanded stars bonus program is set to expire in 2014. In 2015, quality bonus payments will only be paid to 4 and 5 star plans per PPACA (compared to current bonuses that are available to certain qualifying plans rated 3 stars or higher). Approximately 60% and 10% of our current Medicare Advantage members are enrolled in plans that will be rated 3.5 stars or higher and 4 stars or

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higher, respectively for the 2014 payment year based on scoring released by CMS in October 2012. Updated scores, to be released in October 2013, will determine what portion of our Medicare Advantage membership will reside in a 4 star or 5 star plan and qualify for quality bonus payments in 2015. Although we are dedicating substantial resources to improving our quality scores and star ratings, if we are unable to significantly increase the level of membership in plans with a rating of 4 stars or higher for the 2015 payment year, our 2015 results of operations and cash flows could be adversely impacted.
We also may be able to mitigate the effects of reduced funding by increasing enrollment due, in part, to the increasing number of people eligible for Medicare in coming years. Compared to 2011, our 2012 Medicare Advantage membership has increased by 400,000 consumers, or 18%, including acquisitions. Longer term, market wide decreases in the availability or relative quality of Medicare Advantage products may increase demand for other senior health benefits products such as our Medicare Supplement and Medicare Part D insurance offerings.
Industry Fees and Taxes. The Health Reform Legislation includes an annual, non-deductible insurance industry tax to be levied proportionally across the insurance industry for risk-based products, beginning January 1, 2014. The amount of the annual tax is $8 billion in 2014, $11.3 billion in 2015 and 2016, $13.9 billion in 2017 and $14.3 billion in 2018. For 2019 and beyond, the amount will be equal to the annual tax for the preceding year increased by the rate of premium growth for the preceding year. The annual tax will be allocated based on the ratio of an entity’s net premiums written during the preceding calendar year to the total health insurance industry’s net premiums written for any U.S. health risk-based products during the preceding calendar year, subject to certain exceptions. This tax will first be paid and expensed in 2014; however, because our policies are annual, we have included the tax and other Health Reform Legislation cost factors in our 2013 rate filings relating to 2014 rate periods and any related premium increases for 2013 policies that have coverage into 2014 will increase the amount of premium recognized in 2013. Our effective income tax rate will increase significantly in 2014 as a result of the non-deductibility of these taxes.
With the introduction of state health insurance exchanges in 2014, the Health Reform Legislation includes three programs designed to stabilize the health insurance markets. These programs are: a transitional reinsurance program; a temporary risk corridors program; and a permanent risk adjustment program. The transitional reinsurance program is a temporary program which will be funded on a per capita basis from all commercial lines of business including insured and self-funded arrangements ($25 billion over a three-year period beginning in 2014 of which $20 billion (subject to increases based on state decisions) will fund the state reinsurance pools and $5 billion funds the U.S. Treasury). The terms of the specific reinsurance programs to be used in each state are not yet known.
It is our intention to pass these taxes and fees on to customers through increases in rates and/or decreases in benefits, subject to regulatory approval.
State-Based Exchanges and Coverage Expansion. Effective in 2014, state-based exchanges are required to be established for individuals and small employers with enrollment processes scheduled to commence in October of 2013. We expect to selectively respond and participate in exchanges as they are introduced to the market. Our level of participation in state-based exchanges will be driven by how we assess each local market’s current and future prospects, including how the exchange and its rules are set up state-by-state and, our market position relative to others in the market. Our participation will likely evolve and change over time as the exchange markets mature. Exchanges will create new market dynamics that could impact our existing businesses, depending on the ultimate member migration patterns for each market, its pace and its impact on our established membership. For example, certain small employers may no longer offer health benefits to their employees and larger employers may elect to convert their benefit plans from risk-based to self-funded programs.
The Health Reform Legislation also provides for expanded Medicaid coverage effective in January 2014. These measures remain subject to implementation at the state level.
Individual & Small Group Market Reforms. The Health Reform Legislation includes several provisions that will take effect on January 1, 2014 and are expected to alter the individual and small group marketplace. Although HHS issued proposed regulations in late 2012, these regulations are not yet final. Key provisions include: (1) adjusted community rating requirements, which will change how individual and small group plans are rated in many states and are expected to result in significant adjustments in some policyholders’ rates during the transition period; (2) essential health benefit requirements, which will result in benefit changes for many individual and small group policyholders and will also impact rates; and (3) actuarial value requirements, which will significantly impact benefit designs (e.g. member cost sharing requirements) and could also significantly impact rates for some policyholders.

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RESULTS SUMMARY
 
 
For the Years Ended December 31,
Increase/(Decrease)
 
Increase/(Decrease)
(in millions, except percentages and per share data)
 
2012
 
2011
 
2010
 
2012 vs. 2011
 
2011 vs. 2010
Revenues:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Premiums
 
$
99,728

 
$
91,983

 
$
85,405

 
$
7,745

 
8
%
 
$
6,578

 
8
%
Services
 
7,437

 
6,613

 
5,819

 
824

 
12

 
794

 
14

Products
 
2,773

 
2,612

 
2,322

 
161

 
6

 
290

 
12

Investment and other income
 
680

 
654

 
609

 
26

 
4

 
45

 
7

Total revenues
 
110,618

 
101,862

 
94,155

 
8,756

 
9

 
7,707

 
8

Operating costs:
 
 
 
 
 
 
 
 
 
 
 
 
 


Medical costs
 
80,226

 
74,332

 
68,841

 
5,894

 
8

 
5,491

 
8

Operating costs
 
17,306

 
15,557

 
14,270

 
1,749

 
11

 
1,287

 
9

Cost of products sold
 
2,523

 
2,385

 
2,116

 
138

 
6

 
269

 
13

Depreciation and amortization
 
1,309

 
1,124

 
1,064

 
185

 
16

 
60

 
6

Total operating costs
 
101,364

 
93,398

 
86,291

 
7,966

 
9

 
7,107

 
8

Earnings from operations
 
9,254

 
8,464

 
7,864

 
790

 
9

 
600

 
8

Interest expense
 
(632
)
 
(505
)
 
(481
)
 
127

 
25

 
24

 
5

Earnings before income taxes
 
8,622

 
7,959

 
7,383

 
663

 
8

 
576

 
8

Provision for income taxes
 
(3,096
)
 
(2,817
)
 
(2,749
)
 
279

 
10

 
68

 
2

Net earnings
 
$
5,526

 
$
5,142

 
$
4,634

 
$
384

 
7
%
 
$
508

 
11
%
Diluted earnings per share attributable to UnitedHealth Group common shareholders
 
$
5.28

 
$
4.73

 
$
4.10

 
$
0.55

 
12
%
 
$
0.63

 
15
%
Medical care ratio (a)
 
80.4
%
 
80.8
%
 
80.6
%
 
(0.4
)%
 
 
 
0.2
 %
 
 
Operating cost ratio
 
15.6

 
15.3

 
15.2

 
0.3

 
 
 
0.1

 
 
Operating margin
 
8.4

 
8.3

 
8.4

 
0.1

 
 
 
(0.1
)
 
 
Tax rate
 
35.9

 
35.4

 
37.2

 
0.5

 
 
 
(1.8
)
 
 
Net margin
 
5.0

 
5.0

 
4.9

 

 
 
 
0.1

 
 
Return on equity (b)
 
18.7
%
 
18.9
%
 
18.7
%
 
(0.2
)%
 
 
 
0.2
 %
 
 
(a)
Medical care ratio is calculated as medical costs divided by premium revenue.
(b)
Return on equity is calculated as net earnings divided by average equity. Average equity is calculated using the equity balance at the end of the preceding year and the equity balances at the end of the four quarters of the year presented.

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SELECTED OPERATING PERFORMANCE AND OTHER SIGNIFICANT ITEMS
The following represents a summary of select 2012 year-over-year operating comparisons to 2011 and other 2012 significant items.
Consolidated revenues increased 9% and UnitedHealthcare revenues increased 8%.
UnitedHealthcare medical enrollment grew by 6.4 million people, including 4.4 million people served in Brazil as a result of the Amil acquisition; Medicare Part D stand-alone membership decreased by 0.6 million people.
The consolidated medical care ratio of 80.4% decreased 40 basis points.
Earnings from operations increased 8% at UnitedHealthcare and 14% at Optum.
Net earnings of $5.5 billion and diluted earnings per share of $5.28 increased 7% and 12%, respectively.
$1.1 billion in cash was held by non-regulated entities as of December 31, 2012.
2012 debt offerings amounted to $4 billion, including the August debt exchange.
Cash paid for acquisitions in 2012, net of cash assumed, totaled $6.5 billion, including the fourth quarter acquisition of approximately 65% of the outstanding shares of Amil. We also plan to acquire an additional 25% of Amil in the first half of 2013. See Note 6 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements” for further detail on Amil.
We repurchased 57 million shares for $3.1 billion and paid dividends of $0.8 billion.
2012 RESULTS OF OPERATIONS COMPARED TO 2011 RESULTS
Consolidated Financial Results
Revenues
Revenue increases in 2012 were driven by growth in the number of individuals served and premium rate increases related to underlying medical cost trends in our UnitedHealthcare businesses and growth in our Optum health service and technology offerings.
Medical Costs
Medical costs increased in 2012 due to risk-based membership growth in our public and senior markets businesses, unit cost inflation across all businesses and continued moderate increases in health system use, partially offset by an increase in favorable medical reserve development. Unit cost increases represented the primary driver of our medical cost trend, with the largest contributor being price increases to hospitals.
Operating Costs
The increases in our operating costs for 2012 were due to business growth, including increases in revenues from UnitedHealthcare fee-based benefits and Optum services, which carry comparatively higher operating costs, as well as investments in the OptumRx pharmacy management services and UnitedHealthcare Military & Veterans businesses.
Income Tax Rate
The increase in our effective income tax rate for 2012 was due to the favorable resolution of various tax matters in 2011, which lowered the 2011 effective income tax rate.
Reportable Segments
We have four reportable segments across our two business platforms, UnitedHealthcare and Optum:
UnitedHealthcare, which includes UnitedHealthcare Employer & Individual, UnitedHealthcare Medicare & Retirement, UnitedHealthcare Community & State, and UnitedHealthcare International;
OptumHealth;
OptumInsight; and
OptumRx.
See Note 13 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements” and Item 1, “Business” for a description of how each of our reportable segments derives its revenues.
Transactions between reportable segments principally consist of sales of pharmacy benefit products and services to UnitedHealthcare customers by OptumRx, certain product offerings and care management and integrated care delivery services sold to UnitedHealthcare by OptumHealth, and health information and technology solutions, consulting and other services sold to UnitedHealthcare by OptumInsight. These transactions are recorded at management’s estimate of fair value. Intersegment transactions are eliminated in consolidation.

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The following table presents reportable segment financial information:
 
 
For the Years Ended December 31,
 
Increase/(Decrease)
 
Increase/(Decrease)
(in millions, except percentages)
 
2012
 
2011
 
2010
 
2012 vs. 2011
 
2011 vs. 2010
Revenues
 
 
 
 
 
 
 
 
 
 
 
 
 
 
UnitedHealthcare
 
$
103,419

 
$
95,336

 
$
88,730

 
$
8,083

 
8
%
 
$
6,606

 
7
%
OptumHealth
 
8,147

 
6,704

 
4,565

 
1,443

 
22

 
2,139

 
47

OptumInsight
 
2,882

 
2,671

 
2,342

 
211

 
8

 
329

 
14

OptumRx
 
18,359

 
19,278

 
16,724

 
(919
)
 
(5
)
 
2,554

 
15

Total Optum
 
29,388

 
28,653

 
23,631

 
735

 
3

 
5,022

 
21

Eliminations
 
(22,189
)
 
(22,127
)
 
(18,206
)
 
62

 

 
3,921

 
22

Consolidated revenues
 
$
110,618

 
$
101,862

 
$
94,155

 
$
8,756

 
9
%
 
$
7,707

 
8
%
Earnings from operations
 
 
 
 
 
 
 
 
 
 
 
 
 
 
UnitedHealthcare
 
$
7,815

 
$
7,203

 
$
6,740

 
$
612

 
8
 %
 
$
463

 
7
 %
OptumHealth
 
561

 
423

 
511

 
138

 
33

 
(88
)
 
(17
)
OptumInsight
 
485

 
381

 
84

 
104

 
27

 
297

 
354

OptumRx
 
393

 
457

 
529

 
(64
)
 
(14
)
 
(72
)
 
(14
)
Total Optum
 
1,439

 
1,261

 
1,124

 
178

 
14

 
137

 
12

Consolidated earnings from operations
 
$
9,254

 
$
8,464

 
$
7,864

 
$
790

 
9
 %
 
$
600

 
8
 %
Operating margin
 
 
 
 
 
 
 
 
 
 
 
 
 
 
UnitedHealthcare
 
7.6
%
 
7.6
%
 
7.6
%
 
%
 
 
 
 %
 
 
OptumHealth
 
6.9

 
6.3

 
11.2

 
0.6

 
 
 
(4.9
)
 
 
OptumInsight
 
16.8

 
14.3

 
3.6

 
2.5

 
 
 
10.7

 
 
OptumRx
 
2.1

 
2.4

 
3.2

 
(0.3
)
 
 
 
(0.8
)
 
 
Total Optum
 
4.9

 
4.4

 
4.8

 
0.5

 
 
 
(0.4
)
 
 
Consolidated operating margin
 
8.4
%
 
8.3
%
 
8.4
%
 
0.1
 %
 
 
 
(0.1
)%
 
 
UnitedHealthcare
The following table summarizes UnitedHealthcare revenue by business:
 
 
For the Years Ended December 31,
 
Increase/(Decrease)
 
Increase/(Decrease)
(in millions, except percentages)
 
2012
 
2011
 
2010
 
2012 vs. 2011
 
2011 vs. 2010
UnitedHealthcare Employer & Individual
 
$
46,596

 
$
45,404

 
$
42,550

 
$
1,192

 
3
%
 
$
2,854

 
7
%
UnitedHealthcare Medicare & Retirement (a)
 
39,257

 
34,933

 
33,018

 
4,324

 
12

 
1,915

 
6

UnitedHealthcare Community & State (a)
 
16,422

 
14,954

 
13,123

 
1,468

 
10

 
1,831

 
14

UnitedHealthcare International
 
1,144

 
45

 
39

 
1,099

 
nm

 
6

 
15

Total UnitedHealthcare revenue
 
$
103,419

 
$
95,336

 
$
88,730

 
$
8,083

 
8
%
 
$
6,606

 
7
%
nm= not meaningful
(a)
In the fourth quarter of 2012, UnitedHealthcare reclassified 75,000 dually eligible enrollees to UnitedHealthcare Community & State from UnitedHealthcare Medicare & Retirement to better reflect how these members are served. Earlier periods presented have been conformed to reflect this change.

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The following table summarizes the number of individuals served by our UnitedHealthcare businesses, by major market segment and funding arrangement:
 
 
December 31,
 
Increase/(Decrease)
 
Increase/(Decrease)
(in thousands, except percentages)
 
2012
 
2011
 
2010
 
2012 vs. 2011
 
2011 vs. 2010
Commercial risk-based
 
9,340

 
9,550

 
9,405

 
(210
)
 
(2
)%
 
145

 
2
%
Commercial fee-based
 
17,585

 
16,320

 
15,405

 
1,265

 
8

 
915

 
6

Total commercial
 
26,925

 
25,870

 
24,810

 
1,055

 
4

 
1,060

 
4

Medicare Advantage (a)
 
2,565

 
2,165

 
2,005

 
400

 
18

 
160

 
8

Medicaid (a)
 
3,830

 
3,600

 
3,385

 
230

 
6

 
215

 
6

Medicare Supplement (Standardized)
 
3,180

 
2,935

 
2,770

 
245

 
8

 
165

 
6

Total public and senior
 
9,575

 
8,700

 
8,160

 
875

 
10

 
540

 
7

International
 
4,425

 

 

 
4,425

 
nm

 

 

Total UnitedHealthcare - medical
 
40,925

 
34,570

 
32,970

 
6,355

 
18
 %
 
1,600

 
5
%
Supplemental Data:
 
 
 
 
 
 
 
 
 
 
 

 

Medicare Part D stand-alone
 
4,225

 
4,855

 
4,530

 
(630
)
 
(13
)%
 
325

 
7
%
nm= not meaningful
(a)
Earlier periods presented above have been recast such that all periods presented reflect the dually eligible enrollment change from Medicare Advantage to Medicaid discussed above.
Commercial risk-based membership decreased in 2012 due to a competitive market environment, conversions to fee-based products by large public sector clients that we retained and other decreases in the public sector. In fee-based commercial products, the increase was due to a number of new business awards and strong customer retention. Medicare Advantage increased due to strengthened execution in product design, marketing and local engagement, which drove sales growth, combined with the addition of 185,000 Medicare Advantage members from 2012 acquisitions. Medicaid growth was due to a combination of winning new state accounts and growth within existing state customers, partially offset by a fourth quarter market withdrawal from one product in a specific region, affecting 175,000 beneficiaries. Medicare Supplement growth was due to strong retention and new sales. In our Medicare Part D stand-alone business, membership decreased primarily as a result of the first quarter 2012 loss of approximately 470,000 auto-assigned low-income subsidy Medicare Part D beneficiaries, due to pricing benchmarks for the government-subsidized low income Medicare Part D market coming in below our bids in a number of regions. International represents commercial membership in Brazil added as a result of the Amil acquisition in 2012.
UnitedHealthcare’s revenue growth in 2012 was primarily due to growth in the number of individuals served, commercial premium rate increases related to expected increases in underlying medical cost trends and the impact of lower premium rebates.
UnitedHealthcare’s earnings from operations for 2012 increased compared to the prior year primarily due to the factors that increased revenues combined with an improvement in the medical care ratio driven by effective management of medical costs and increased favorable medical reserve development. The favorable development for 2012 was driven by lower than expected health system utilization levels and increased efficiency in claims handling and processing.
In March 2012, UnitedHealthcare Military & Veterans was awarded the TRICARE West Region Managed Care Support Contract. The contract, for health care operations, includes a transition period and five one-year renewals at the government’s option. The first year of operations is anticipated to begin April 1, 2013. The base administrative services contract is expected to generate a total of $1.4 billion in revenues over the five years.
Optum. Total revenues increased in 2012 due to business growth and 2011 acquisitions at OptumHealth, partially offset by a reduction in pharmacy service revenues related to reduced levels of UnitedHealthcare Part D prescription drug membership and related prescription volumes.
Optum’s earnings from operations and operating margin for 2012 increased compared to 2011 due to improvements in operating cost structure stemming from advances in business simplification, integration and overall efficiency and revenue growth in higher margin products.

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The results by segment were as follows:
OptumHealth
Revenue increases at OptumHealth for 2012 were primarily due to market expansion, including growth related to 2011 acquisitions in integrated care delivery, and strong overall business growth.
Earnings from operations for 2012 and operating margins increased compared to 2011 primarily due to gains in operating efficiency and cost management as well as increases in earnings from integrated care operations.
OptumInsight
Revenues at OptumInsight for 2012 increased primarily due to the impact of growth in compliance services for care providers and payment integrity offerings for commercial payers, which was partially offset by the June 2011 divestiture of the clinical trials services business.
The increases in earnings from operations and operating margins for 2012 reflect an improved mix of services and advances in operating efficiency and cost management.
OptumRx
The decreases in OptumRx revenues in 2012 were due to the reduction in UnitedHealthcare Medicare Part D plan participants. Intersegment revenues eliminated in consolidation were $15.6 billion for 2012 and $16.7 billion for 2011.
OptumRx earnings from operations and operating margins for 2012 decreased primarily due to decreased prescription volume in the Medicare Part D business and investments to support growth initiatives, which were partially offset by earnings contributions from specialty pharmacy growth and greater use of generic medications.
Over the course of 2013, we will consolidate and manage our commercial pharmacy benefit programs from Express Scripts’ subsidiary, Medco Health Solutions, Inc. As a result of this transition, OptumRx expects to add approximately12 million members throughout 2013.
2011 RESULTS OF OPERATIONS COMPARED TO 2010 RESULTS
Consolidated Financial Results
Revenues
The increases in revenues for 2011 were driven by strong organic growth in the number of individuals served in our UnitedHealthcare businesses, commercial premium rate increases reflecting underlying medical cost trends and revenue growth across all Optum businesses.
Medical Costs
Medical costs for 2011 increased due to risk-based membership growth in our commercial and public and senior markets businesses and continued increases in the cost per service paid for health system use, and a modest increase in health system utilization, mainly in outpatient and physician office settings.
For each period, our operating results include the effects of revisions in medical cost estimates related to prior periods. Changes in medical cost estimates related to prior periods, resulting from more complete claim information identified in the current period, are included in total medical costs reported for the current period. For 2011 and 2010 there was $720 million and $800 million, respectively, of net favorable medical cost development related to prior fiscal years. The favorable development in both periods was primarily driven by continued improvements in claims submission timeliness, which resulted in higher completion factors and lower than expected health system utilization levels. The favorable development in 2010 also benefited from a reduction in reserves needed for disputed claims from care providers; and favorable resolution of certain state-based assessments.
Operating Costs
The increase in our operating costs for 2011 was due to business growth, including an increased mix of Optum and UnitedHealthcare fee-based and service revenues, which have higher operating costs, and increased spending related to reform readiness and compliance. These factors were partially offset by overall operating cost management and the increase in 2010 operating costs due to the goodwill impairment and charges for a business line disposition of certain i3-branded clinical trial service businesses.

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Income Tax Rate
The effective income tax rate for 2011 decreased compared to the prior year due to favorable resolution of various historical tax matters in the current year as well as a higher effective income tax rate in 2010, due to the cumulative implementation of certain changes under the Health Reform Legislation.
Reportable Segments
UnitedHealthcare
UnitedHealthcare’s revenue growth for 2011 was due to growth in the number of individuals served across our businesses and commercial premium rate increases reflecting expected underlying medical cost trends.
UnitedHealthcare’s earnings from operations for 2011 increased compared to the prior year as revenue growth and improvements in the operating cost ratio more than offset increased compliance costs and an increase to the medical care ratio, which was primarily due to the initiation of premium rebate obligations in 2011, and lower favorable reserve development levels.
Optum. Total revenue for these businesses increased in 2011 due to business growth and acquisitions at OptumHealth and OptumInsight and growth in customers served through pharmaceutical benefit management programs at OptumRx.
Optum’s operating margin for 2011 was down compared to 2010. The decrease was due to changes in business mix within Optum’s businesses and realignment of certain internal business arrangements.
The results by segment were as follows:
OptumHealth
Increased revenues at OptumHealth for 2011 were primarily due to expansions in service offerings through acquisitions in clinical services, as well as growth in consumer and population health management offerings. 
Earnings from operations for 2011 and operating margin decreased compared to 2010. The decreases reflect the impact from internal business and service arrangement realignments and the mix effect of growth and expansion in newer businesses such as clinical services.
OptumInsight
Increased revenues at OptumInsight for 2011 were due to the impact of organic growth and the full-year impact of 2010 acquisitions, which were partially offset by the divestiture of the clinical trials services business in June 2011.
The increases in earnings from operations and operating margins for 2011 reflect an increased mix of higher margin services in 2011 as well as the effect on 2010 earnings from operations and operating margin of the goodwill impairment and charges for a business line disposition of certain i3-branded clinical trial service businesses.
OptumRx
The increase in OptumRx revenues for 2011 was due to increased prescription volumes, primarily due to growth in customers served through Medicare Part D prescription drug plans by our UnitedHealthcare Medicare & Retirement business, and a favorable mix of higher revenue specialty drug prescriptions. Intersegment revenues eliminated in consolidation were $16.7 billion and $14.4 billion for 2011 and 2010, respectively.
OptumRx earnings from operations and operating margins for 2011 decreased as the mix of lower margin specialty pharmaceuticals and Medicaid business and investments to support growth initiatives including the in-sourcing of our commercial pharmacy benefit programs more than offset the earnings contribution from higher revenues and greater use of generic medications.
LIQUIDITY, FINANCIAL CONDITION AND CAPITAL RESOURCES
Liquidity
Introduction
We manage our liquidity and financial position in the context of our overall business strategy. We continually forecast and manage our cash, investments, working capital balances and capital structure to meet the short- and long-term obligations of our businesses while seeking to maintain liquidity and financial flexibility. Cash flows generated from operating activities are principally from earnings before non-cash expenses.

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Our regulated subsidiaries generate significant cash flows from operations and are subject to financial regulations and standards in their respective jurisdictions. These standards, among other things, require these subsidiaries to maintain specified levels of statutory capital, as defined by each jurisdiction, and restrict the timing and amount of dividends and other distributions that may be paid to their parent companies. In the United States, most of these regulations and standards are generally consistent with model regulations established by the NAIC. Except in the case of extraordinary dividends, these standards generally permit dividends to be paid from statutory unassigned surplus of the regulated subsidiary and are limited based on the regulated subsidiary’s level of statutory net income and statutory capital and surplus. These dividends are referred to as “ordinary dividends” and generally can be paid without prior regulatory approval. If the dividend, together with other dividends paid within the preceding twelve months, exceeds a specified statutory limit or is paid from sources other than earned surplus, the entire dividend is generally considered an “extraordinary dividend” and must receive prior regulatory approval. In 2012, based on the 2011 statutory net income and statutory capital and surplus levels, the maximum amount of ordinary dividends which could be paid by our U.S. regulated subsidiaries to their parent companies was $4.6 billion.
In 2012, our regulated subsidiaries paid their parent companies dividends of $4.9 billion, including $1.2 billion of extraordinary dividends. In 2011, our regulated subsidiaries paid their parent companies dividends of $4.5 billion, including $1.1 billion of extraordinary dividends.
Our non-regulated businesses also generate cash flows from operations for general corporate use. Cash flows generated by these entities, combined with dividends from our regulated entities and financing through the issuance of long term debt as well as issuance of commercial paper or drawings under our committed credit facility, further strengthen our operating and financial flexibility. We use these cash flows to expand our businesses through acquisitions, reinvest in our businesses through capital expenditures, repay debt, and return capital to our shareholders through shareholder dividends and/or repurchases of our common stock, depending on market conditions.
Summary of our Major Sources and Uses of Cash
 
 
For the Years Ended December 31,
 
Increase/(Decrease)
 
Increase/(Decrease)
(in millions)
 
2012
 
2011
 
2010
 
2012 vs. 2011
 
2011 vs. 2010
Sources of cash:
 
 
 
 
 
 
 
 
 
 
Cash provided by operating activities
 
$
7,155

 
$
6,968

 
$
6,273

 
$
187

 
$
695

Proceeds from issuances of long-term debt and commercial paper, net of repayments
 
4,567

 
346

 
94

 
4,221

 
252

Proceeds from common stock issuances
 
1,078

 
381

 
272

 
697

 
109

Net proceeds from customer funds administered
 

 
37

 
974

 
(37
)
 
(937
)
Other
 

 
391

 
20

 
(391
)
 
371

Total sources of cash
 
12,800

 
8,123

 
7,633

 


 


Uses of cash:
 
 
 
 
 
 
 
 
 
 
Cash paid for acquisitions, net of cash assumed and dispositions
 
(6,280
)
 
(1,459
)
 
(2,304
)
 
(4,821
)
 
845

Common stock repurchases
 
(3,084
)
 
(2,994
)
 
(2,517
)
 
(90
)
 
(477
)
Purchases of investments, net of sales and maturities
 
(1,299
)
 
(1,695
)
 
(2,157
)
 
396

 
462

Purchases of property, equipment and capitalized software, net of dispositions
 
(1,070
)
 
(1,018
)
 
(878
)
 
(52
)
 
(140
)
Cash dividends paid
 
(820
)
 
(651
)
 
(449
)
 
(169
)
 
(202
)
Net cash paid for customer funds administered
 
(324
)
 

 

 
(324
)
 

Acquisition of noncontrolling interest shares
 
(319
)
 

 

 
(319
)
 

Other
 
(627
)
 

 
(5
)
 
(627
)
 
5

Total uses of cash
 
(13,823
)
 
(7,817
)
 
(8,310
)
 


 


Net (decrease) increase in cash
 
$
(1,023
)
 
$
306

 
$
(677
)
 
$
(1,329
)
 
$
983

2012 Cash Flows Compared to 2011 Cash Flows
Cash flows from operating activities for 2012 increased $187 million, or 3% from 2011 due to increased net income and related tax accruals, which were partially offset by the payment in 2012 of 2011 premium rebate obligations as 2012 was the first year rebate payments were made under the Health Reform Legislation.

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Cash flows used for investing activities increased $4.5 billion, or 107%, primarily due to increased investments in acquisitions in 2012. See Note 6 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements” for further information on 2012 acquisitions.
Cash flows from financing activities increased $3.0 billion primarily due to increases in long-term debt, commercial paper and common stock issuances, partially offset by increases in cash paid for customer funds related to Part D and increased shareholder dividend payments. The increases in long-term debt, commercial paper and common stock issuances were primarily related to the Amil acquisition.
2011 Cash Flows Compared to 2010 Cash Flows
Cash flows from operating activities increased $695 million, or 11%, from 2010. The increase was primarily driven by growth in net earnings and changes in various working capital accounts, which were partially offset by a reduction in unearned revenues due to the early receipt of certain 2011 state Medicaid premium payments in 2010, which increased 2010 cash from operating activities.
Cash flows used for investing activities decreased $1.2 billion, or 22%, primarily due to relatively lower investments in acquisitions in 2011 and a decrease in net purchases of investments.
Cash flows used for financing activities increased $879 million, or 55%, primarily due to increased share repurchases and cash dividends in 2011, partially offset by an increase in net borrowings.
Financial Condition
As of December 31, 2012, our cash, cash equivalent and available-for-sale investment balances of $28.3 billion included $8.4 billion of cash and cash equivalents (of which $1.1 billion was held by non-regulated entities), $19.2 billion of debt securities and $677 million of investments in equity securities and venture capital funds. Given the significant portion of our portfolio held in cash equivalents, we do not anticipate fluctuations in the aggregate fair value of our financial assets to have a material impact on our liquidity or capital position. The use of different market assumptions or valuation methodologies, especially those used in valuing our $241 million of available-for-sale Level 3 securities (those securities priced using significant unobservable inputs), may have an effect on the estimated fair value amounts of our investments. Due to the subjective nature of these assumptions, the estimates may not be indicative of the actual exit price if we had sold the investment at the measurement date. Other sources of liquidity, primarily from operating cash flows and our commercial paper program, which is supported by our bank credit facilities, reduce the need to sell investments during adverse market conditions. See Note 4 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements” for further detail of our fair value measurements.
Our cash equivalent and investment portfolio had a weighted-average duration of 2.1 years and a weighted-average credit rating of “AA” as of December 31, 2012. Included in the debt securities balance was $1.9 billion of state and municipal obligations that are guaranteed by a number of third parties. Due to the high underlying credit ratings of the issuers, the weighted-average credit rating of these securities with and without the guarantee was “AA” as of December 31, 2012. We do not have any significant exposure to any single guarantor (neither indirect through the guarantees, nor direct through investment in the guarantor). When multiple credit ratings are available for an individual security, the average of the available ratings is used to determine the weighted-average credit rating.
Capital Resources and Uses of Liquidity
In addition to cash flow from operations and cash and cash equivalent balances available for general corporate use, our capital resources and uses of liquidity are as follows:
Commercial Paper. We maintain a commercial paper borrowing program, which facilitates the private placement of unsecured debt through third-party broker-dealers. The commercial paper program is supported by the bank credit facilities described below. As of December 31, 2012, we had $1.6 billion of commercial paper outstanding at a weighted-average annual interest rate of 0.3%.
Bank Credit Facilities. We have $3.0 billion five-year and $1.0 billion 364-day revolving bank credit facilities with 21 banks, which mature in November 2017 and November 2013, respectively. These facilities provide liquidity support for our $4.0 billion commercial paper program and are available for general corporate purposes. There were no amounts outstanding under these facilities as of December 31, 2012. The interest rates on borrowings are variable depending on term and are calculated based on the LIBOR plus a credit spread based on our senior unsecured credit ratings. As of December 31, 2012, the annual interest rates on these facilities, had they been drawn, would have ranged from 1.0% to 1.3%.
Our bank credit facilities contain various covenants, including requiring us to maintain a debt to debt-plus-equity ratio of not more than 50%. Our debt to debt-plus-equity ratio, calculated as the sum of debt divided by the sum of debt and shareholders’

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equity, which reasonably approximates the actual covenant ratio, was 35.0% as of December 31, 2012. We were in compliance with our debt covenants as of December 31, 2012.
Long-term debt. Periodically, we access capital markets and issue long-term debt for general corporate purposes, for example, to meet our working capital requirements, to refinance debt, to finance acquisitions or for share repurchases.
In connection with the Amil acquisition, we assumed variable rate debt denominated in Brazilian Reais, Amil’s functional currency. The total Brazilian Real denominated long-term debt outstanding at December 31, 2012 was $611 million, and had an aggregate weighted average interest rate of approximately 9%. For more detail on the Amil debt see Note 8 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements.”
In October 2012, we issued $2.5 billion in senior unsecured notes, which included: $625 million of 0.850% fixed-rate notes due October 2015, $625 million of 1.400% fixed-rate notes due October 2017, $625 million of 2.750% fixed-rate notes due February 2023 and $625 million of 3.950% fixed-rate notes due October 2042.
In August 2012, we completed an exchange of $1.1 billion of our zero coupon senior unsecured notes due November 2022 for $0.5 billion additional issuance of our 2.875% notes due in March 2022, $0.1 billion additional issuance of our 4.375% notes due March 2042 and $0.1 billion in cash. The transaction was undertaken to increase financial flexibility and reduce interest expense. 
In March 2012, we issued $1.0 billion in senior unsecured notes. The issuance included $600 million of 2.875% fixed-rate notes due March 2022 and $400 million of 4.375% fixed-rate notes due March 2042.
Credit Ratings. Our credit ratings at December 31, 2012 were as follows:
  
Moody’s
  
Standard & Poor’s
  
Fitch
  
A.M. Best
 
Ratings
  
Outlook
  
Ratings
  
Outlook
  
Ratings
  
Outlook
  
Ratings
  
Outlook
Senior unsecured debt
A3
  
Negative
  
A
  
Stable
  
A-
  
Stable
  
bbb+
  
Stable
Commercial paper
P-2
  
n/a
  
A-1
  
n/a
  
F1
  
n/a
  
AMB-2
  
n/a
The availability of financing in the form of debt or equity is influenced by many factors, including our profitability, operating cash flows, debt levels, credit ratings, debt covenants and other contractual restrictions, regulatory requirements and economic and market conditions. For example, a significant downgrade in our credit ratings or conditions in the capital markets may increase the cost of borrowing for us or limit our access to capital. We have adopted strategies and actions toward maintaining financial flexibility to mitigate the impact of such factors on our ability to raise capital.
Share Repurchase Program. Under our Board of Directors’ authorization, we maintain a share repurchase program. Repurchases may be made from time to time in open market purchases or other types of transactions (including prepaid or structured share repurchase programs), subject to certain Board restrictions. In June 2012, our Board renewed and expanded our share repurchase program with an authorization to repurchase up to 110 million shares of our common stock. As of December 31, 2012, we had Board authorization to purchase up to an additional 85 million shares of our common stock. For details of our 2012 share repurchases, see Note 10 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements.”
Dividends. In June 2012, our Board of Directors increased our cash dividend to shareholders to an annual dividend rate of $0.85 per share, paid quarterly. Since May 2011, we had paid an annual dividend of $0.65 per share, paid quarterly. Declaration and payment of future quarterly dividends is at the discretion of the Board and may be adjusted as business needs or market conditions change. For details of our dividend payments, see Note 10 of Notes to the Consolidated Financial Statements included in Item 8, “Financial Statements.”
Amil Tender Offer. During the fourth quarter of 2012, we purchased approximately 65% of the outstanding shares of Amil for $3.5 billion. We expect to acquire an additional 25% ownership interest during the first half of 2013 through a tender offer for Amil’s publicly traded shares. The tender offer price will be at the same price paid to Amil’s controlling shareholders, adjusted for statutory interest under Brazilian law from the date of payment to the controlling shareholders to the date of payment to the tendering minority shareholders.

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CONTRACTUAL OBLIGATIONS AND COMMITMENTS
The following table summarizes future obligations due by period as of December 31, 2012, under our various contractual obligations and commitments:
(in millions)
 
2013
 
2014 to 2015
 
2016 to 2017
 
Thereafter
 
Total
Debt (a)
 
$
3,413

 
$
3,271

 
$
3,384

 
$
16,769

 
$
26,837

Operating leases
 
380

 
676

 
510

 
556

 
2,122

Purchase obligations (b)
 
137

 
184

 
7

 

 
328

Future policy benefits (c)
 
135

 
256

 
265

 
1,923

 
2,579

Unrecognized tax benefits (d)
 
11

 

 

 
60

 
71

Other liabilities recorded on the Consolidated Balance Sheet (e)
 
89

 
18

 
6

 
1,511

 
1,624

Other obligations (f)
 
50

 
144

 
60

 
43

 
297

Redeemable noncontrolling interests (g)
 
1,393

 
182

 
546

 

 
2,121

Total contractual obligations
 
$
5,608

 
$
4,731

 
$
4,778

 
$
20,862

 
$
35,979


(a)
Includes interest coupon payments and maturities at par or put values. For variable rate debt, the rates in effect at December 31, 2012 were used to calculate the interest coupon payments. The table also assumes amounts are outstanding through their contractual term. See Note 8 of Notes to the Consolidated Financial Statements included in Item 8, "Financial Statements" for more detail.
(b)
Includes fixed or minimum commitments under existing purchase obligations for goods and services, including agreements that are cancelable with the payment of an early termination penalty. Excludes agreements that are cancelable without penalty and excludes liabilities to the extent recorded in our Consolidated Balance Sheets as of December 31, 2012.
(c)
Future policy benefits represent account balances that accrue to the benefit of the policyholders, excluding surrender charges, for universal life and investment annuity products and for long-duration health policies sold to individuals for which some of the premium received in the earlier years is intended to pay benefits to be incurred in future years. See Note 2 of Notes to the Consolidated Financial Statements included in Item 8, "Financial Statements" for more detail.
(d)
As the timing of future settlements is uncertain, the long-term portion has been classified as “Thereafter.”
(e)
Includes obligations associated with contingent consideration and other payments related to business acquisitions, certain employee benefit programs, charitable contributions related to the PacifiCare acquisition and various other long-term liabilities. Due to uncertainty regarding payment timing, obligations for employee benefit programs, charitable contributions and other liabilities have been classified as “Thereafter.”
(f)
Includes remaining capital commitments for venture capital funds and other funding commitments.
(g)
Includes commitments to purchase the remaining publicly traded Amil shares as well as the put/call for the shares owned by Amil's remaining non-public shareholders. See Note 6 of Notes to the Consolidated Financial Statements included in Item 8, "Financial Statements" for more detail.
We do not have other significant contractual obligations or commitments that require cash resources; however, we continually evaluate opportunities to expand our operations. This includes internal development of new products, programs and technology applications, and may include acquisitions.
OFF-BALANCE SHEET ARRANGEMENTS
As of December 31, 2012, we were not involved in any off-balance sheet arrangements (as that phrase is defined by SEC rules applicable to this report) which have or are reasonably likely to have a material adverse effect on our financial condition, results of operations or liquidity.
RECENTLY ISSUED ACCOUNTING STANDARDS
We have determined that there have been no recently issued, but not yet adopted, accounting standards that will have a material impact on our Consolidated Financial Statements.
CRITICAL ACCOUNTING ESTIMATES
Critical accounting estimates are those estimates that require management to make challenging, subjective or complex judgments, often because they must estimate the effects of matters that are inherently uncertain and may change in subsequent

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periods. Critical accounting estimates involve judgments and uncertainties that are sufficiently sensitive and may result in materially different results under different assumptions and conditions.
Medical Costs Payable
Each reporting period, we estimate our obligations for medical care services that have been rendered on behalf of insured consumers but for which claims have either not yet been received or processed and for liabilities for physician, hospital and other medical cost disputes. We develop estimates for medical care services incurred but not reported using an actuarial process that is consistently applied, centrally controlled and automated. The actuarial models consider factors such as time from date of service to claim receipt, claim processing backlogs, seasonal variances in medical care consumption, health care professional contract rate changes, medical care utilization and other medical cost trends, membership volume and demographics, the introduction of new technologies, benefit plan changes, and business mix changes related to products, customers and geography. Depending on the health care professional and type of service, the typical billing lag for services can be up to 90 days from the date of service. Substantially all claims related to medical care services are known and settled within nine to twelve months from the date of service. As of December 31, 2012, our days outstanding in medical payables was 49 days.
Each period, we re-examine previously established medical costs payable estimates based on actual claim submissions and other changes in facts and circumstances. As more complete claim information becomes available, we adjust the amount of the estimates and include the changes in estimates in medical costs in the period in which the change is identified. In every reporting period, our operating results include the effects of more completely developed medical costs payable estimates associated with previously reported periods. If the revised estimate of prior period medical costs is less than the previous estimate, we will decrease reported medical costs in the current period (favorable development). If the revised estimate of prior period medical costs is more than the previous estimate, we will increase reported medical costs in the current period (unfavorable development). Medical costs in 2012, 2011, and 2010 included favorable medical cost development related to prior years of $860 million, $720 million and $800 million, respectively.