Westlake Chemical Corporation Reports Second Quarter 2021 Results

• Record quarterly net sales of $2.9 billion
• Record quarterly net income of $522 million, excluding one-time tax benefits in a prior quarter
• Record quarterly EBITDA of $932 million
• Announced pending acquisitions of Boral's North American building products businesses and of LASCO Fittings, Inc., which are expected to close in the second half of 2021

Westlake Chemical Corporation (NYSE: WLK) (the "Company" or "Westlake") today reported record net income, excluding one-time tax benefits, attributable to Westlake for the three months ended June 30, 2021 of $522 million, or $4.04 per diluted share, on record net sales of $2,859 million. Net income in the second quarter of 2021 increased by $507 million from second quarter 2020 net income of $15 million, or $0.11 per share, on net sales of $1,709 million. Income from operations for the second quarter of 2021 was a quarterly record of $720 million, and increased by $684 million from income from operations of $36 million for the second quarter of 2020. The increases in net income and income from operations were primarily driven by significantly higher sales prices and margins for most of our major products and higher sales volumes in our Vinyls Segment. The increase in sales prices for PVC resin were driven by the strong demand in North American residential construction and the repair and remodeling markets which also drove demand in our building and construction materials business. Additionally, polyethylene experienced robust strength from packaging and other consumer markets driving higher prices and margins resulting from the rebound in global economic activity following the onset of the COVID-19 pandemic in the first half of 2020.

Second quarter 2021 net income of $522 million, or $4.04 per share, increased by $280 million from first quarter 2021 net income of $242 million, or $1.87 per share. Income from operations of $720 million for the second quarter of 2021 increased by $374 million from income from operations of $346 million for the first quarter of 2021. The increases in net income and income from operations versus the prior quarter were primarily due to higher sales prices and higher margins for all of our major products including PVC resin, polyethylene, caustic soda and our building and construction materials as well as higher sales volumes for PVC resin as operations rebounded following the impacts of the Winter Storm Uri in the first quarter. The increases in sales prices and volumes for our products contributed to higher margins and strong earnings in our building and construction materials business.

For the first six months of 2021, net income of $764 million, or $5.91 per share, increased by $604 million from the first six months of 2020 net income of $160 million, or $1.24 per share. Income from operations of $1,066 million for the first six months of 2021 increased by $894 million from income from operations of $172 million for the first six months of 2020, which was severely impacted by the onset of the global COVID-19 pandemic. The increases in net income and income from operations were primarily due to the global economic recovery, which has driven strong demand and higher sales prices and margins for most of our major products. These increases were partially offset by the impacts to production and sales volumes as a result of Winter Storm Uri in the first quarter of 2021.

On June 20, 2021, Westlake announced that it had entered into a definitive agreement with Boral Industries Inc., a wholly owned subsidiary of Boral Limited, under which Westlake will acquire Boral's North American building products businesses in roofing; siding, trim and shutters; decorative stone; and windows ("Boral North America"). The combination of these businesses with Westlake's leading building products businesses creates a stronger business with significantly increased scale and complementary product offerings, and enhanced growth prospects throughout the North American building products market.

On July 6, 2021, North American Pipe Corporation ("NAPCO"), a subsidiary of Westlake, announced that it has entered into a definitive agreement to acquire LASCO Fittings, Inc. ("LASCO"), a leading designer, engineer and manufacturer of injected-molded PVC fittings. The acquisition will add complementary products to NAPCO's existing portfolio of pipe and fittings products, with an emphasis on new products and new markets.

"This is an exciting time for Westlake. In the second quarter, we achieved record quarterly earnings as we continue to benefit from the global economic recovery and expansion that began in the summer of 2020 with strong demand for our products driving higher sales prices and margins," said Albert Chao, President and Chief Executive Officer. "The strong demand we experienced across our product offerings during the quarter illustrates our earnings capability. As global supply chains and manufacturing recover to meet demand, Westlake is well positioned to deliver strong results."

"We continue to invest in our business to drive value and are creating new platforms for continued future growth," continued Mr. Chao. "We recently announced acquisitions totaling approximately $2.4 billion for Boral North America and LASCO, which will set another stage of development and growth for Westlake. We believe in the growing secular strength of the housing, repair and remodeling markets, and these strategic acquisitions will provide new and complementary platforms and long-term growth opportunities for Westlake. Through these acquisitions, we can deliver greater value and convenience to our customers which will create value uplift to our shareholders. We look forward to welcoming the Boral and LASCO employees to the Westlake family."

Net cash provided by operating activities was $617 million for the second quarter of 2021. As of June 30, 2021, cash and cash equivalents were $1,844 million and long-term debt was $3,555 million. Capital expenditures were $129 million for the second quarter of 2021.

Record EBITDA (earnings before interest expense, income taxes, depreciation and amortization) of $932 million for the second quarter of 2021 increased by $696 million compared to second quarter 2020 EBITDA of $236 million. Second quarter 2021 EBITDA increased by $379 million compared to first quarter 2021 EBITDA of $553 million. Record EBITDA of $1,485 million for the first six months of 2021 was $912 million higher than EBITDA for the first six months of 2020 of $573 million. A reconciliation of EBITDA to net income, income from operations, and net cash provided by operating activities can be found in the financial schedules at the end of this press release.

VINYLS SEGMENT

Record Vinyls income from operations for the second quarter of 2021 of $435 million increased by $415 million from second quarter 2020 income from operations of $20 million. This increase in income from operations versus the prior-year period was primarily due to higher sales prices, margins and sales volumes for PVC resin as well as strong earnings in our building and construction materials business.

Record Vinyls income from operations for the second quarter of 2021 of $435 million increased by $235 million from first quarter 2021 income from operations of $200 million primarily due to higher sales prices and integrated margins for our products, higher sales volumes for PVC resin and strong earnings in our building and construction materials business. The first quarter of 2021 was also negatively impacted by the effects of Winter Storm Uri which severely curtailed production at many of our facilities.

For the first six months of 2021, Vinyls income from operations of $635 million increased by $542 million from income from operations of $93 million for the first six months of 2020. This increase in income from operations versus the prior-year period was primarily due to higher sales prices, volumes and integrated margins for PVC resin. Income from operations for the first half of 2021 saw higher ethylene costs as well as the impacts from Winter Storm Uri, while income from operations for the first half of 2020 was negatively impacted by the onset of the COVID-19 pandemic.

OLEFINS SEGMENT

Record Olefins income from operations for the second quarter of 2021 of $277 million increased by $252 million from second quarter 2020 income from operations of $25 million. This increase in income from operations versus the prior-year period was primarily due to significantly higher sales prices and margins for all of our products, driven by continuing strong global demand with continuing supply constraints, partially offset by lower polyethylene sales volumes.

Record Olefins income from operations of $277 million in the second quarter of 2021 increased by $97 million from first quarter 2021 income from operations of $180 million. This increase in income from operations versus the prior quarter was primarily due to higher sales prices and margins.

For the first six months of 2021, Olefins income from operations of $457 million increased by $370 million from income from operations of $87 million for the first six months of 2020. This increase in income from operations was primarily due to higher sales prices and margins, partially offset by lower polyethylene sales volumes.

Forward-Looking Statements

The statements in this release and the related teleconference relating to matters that are not historical facts, including statements regarding our ability to deliver strong results, continued improvement of our performance in 2021, demand for polyethylene, PVC and downstream business products, the expected results of the pending Boral North American and Lasco acquisitions and whether required regulatory approval for these transactions will be obtained, are forward-looking statements. These forward-looking statements are subject to significant risks and uncertainties. Actual results could differ materially, based on factors including, but not limited to: the COVID-19 pandemic and the response thereto; general economic and business conditions; the cyclical nature of the chemical industry; availability, cost and volatility of raw materials and utilities, including natural gas and natural gas liquids from shale production; the price of crude oil; uncertainties associated with the United States and worldwide economies, including those due to global economic and financial conditions; governmental regulatory actions, including environmental regulation and changes in trade policies; political unrest; industry production capacity and operating rates; the supply/demand balance for Westlake's products; competitive products and pricing pressures; access to capital markets; technological developments; the effect and results of litigation and settlements of litigation; operating interruptions; the timing to consummate the pending acquisitions; the conditions to closing of either pending acquisition may not be satisfied or the closing of either pending acquisition otherwise may not occur; the risk that regulatory clearance is not obtained or is obtained subject to conditions that are not anticipated; the diversion of management time on transaction-related issues; and other risk factors. For more detailed information about the factors that could cause actual results to differ materially, please refer to Westlake's Annual Report on Form 10-K for the year ended December 31, 2020, which was filed with the SEC in February 2021.

Use of Non-GAAP Financial Measures

This release makes reference to certain "non-GAAP" financial measures, such as EBITDA, as defined in Regulation G of the U.S. Securities Exchange Act of 1934, as amended. For this purpose, a non-GAAP financial measure is generally defined by the Securities and Exchange Commission ("SEC") as a numerical measure of a registrant's historical or future financial performance, financial position or cash flows that (1) excludes amounts, or is subject to adjustments that have the effect of excluding amounts, that are included in the most directly comparable measure calculated and presented in accordance with GAAP in the statement of income, balance sheet or statement of cash flows (or equivalent statements) of the registrant; or (2) includes amounts, or is subject to adjustments that have the effect of including amounts, that are excluded from the most directly comparable measure so calculated and presented. We report our financial results in accordance with U.S. generally accepted accounting principles ("U.S. GAAP"), but believe that certain non-GAAP financial measures, such as EBITDA, provide useful supplemental information to investors regarding the underlying business trends and performance of the Company's ongoing operations and are useful for period-over-period comparisons of such operations. These non-GAAP financial measures should be considered as a supplement to, and not as a substitute for, or superior to, the financial measures prepared in accordance with U.S. GAAP. A reconciliation of EBITDA to net income, income from operations and net cash provided by operating activities can be found in the financial schedules at the end of this press release.

About Westlake:

Westlake is a global manufacturer and supplier of materials and innovative products that enhance life every day. Headquartered in Houston, we provide the building blocks for vital solutions — from building products and infrastructure materials, to packaging and healthcare products, to automotive and consumer goods. For more information, visit the company's web site at www.westlake.com.

Westlake Chemical Corporation Conference Call Information:

A conference call to discuss Westlake Chemical Corporation's second quarter 2021 results will be held Tuesday, August 3, 2021 at 11:00 AM Eastern Time (10:00 AM Central Time). To access the conference call, dial (855) 760-8160 or (704) 288-0624 for international callers, approximately 10 minutes prior to the scheduled start time and reference passcode 459 47 33.

A replay of the conference call will be available beginning two hours after its conclusion until 11:59 p.m. Eastern Time on August 10, 2021. To hear a replay, dial (855) 859-2056 or (404) 537-3406 for international callers. The replay passcode is 459 47 33.

The conference call will also be available via webcast at https://edge.media-server.com/mmc/p/ri2i4625 and the earnings release can be obtained via the Company's web page at: http://www.westlake.com/investor-relations.

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