Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Jermain Patrick John
 2. Date of Event Requiring Statement (Month/Day/Year)
05/05/2014		 3. Issuer Name and Ticker or Trading Symbol
PLEXUS CORP [PLXS]
(Last)
(First)
(Middle)
ONE PLEXUS WAY		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President & CFO
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEENAH, WI 54956		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock, $.01 par value 788
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Appreciation Rights 04/23/2013(1) 04/23/2019 Common Stock 250 $ 31.7 D  
Stock Appreciation Rights 07/23/2013(1) 07/23/2019 Common Stock 250 $ 27.86 D  
Stock Appreciation Rights 10/29/2013(1) 10/29/2019 Common Stock 250 $ 25.965 D  
Stock Appreciation Rights 01/21/2014(1) 01/21/2020 Common Stock 625 $ 26.15 D  
Stock Appreciation Rights 04/22/2014(1) 04/22/2020 Common Stock 625 $ 25.325 D  
Stock Appreciation Rights 07/22/2014(1) 07/22/2020 Common Stock 625 $ 33.055 D  
Stock Appreciation Rights 10/28/2014(1) 10/28/2020 Common Stock 625 $ 40.224 D  
Stock Appreciation Rights 01/20/2015(1) 01/20/2021 Common Stock 663 $ 40.64 D  
Stock Appreciation Rights 04/22/2015(1) 04/22/2021 Common Stock 663 $ 44.477 D  
Restricted Stock Units 01/23/2015 01/23/2015 Common Stock 1,200 $ (2) D  
Restricted Stock Units 01/21/2016 01/21/2016 Common Stock 1,500 $ (2) D  
Restricted Stock Units 01/20/2017 01/20/2017 Common Stock 1,590 $ (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Jermain Patrick John
ONE PLEXUS WAY
NEENAH, WI 54956		       Vice President & CFO  

Signatures

Patrick J. Jermain, By Mary J. Bathke, Attorney-in-fact 05/06/2014
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Stock Appreciation Rights granted under the Plexus Corp. 2008 Long-Term Incentive Plan, which qualifies under Rule 16b-3; one half of the original grant vests each year, commencing on the first anniversary of grant date.
(2) Each Restricted Stock Unit granted under the Plexus Corp. 2008 Long-Term Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vest three years from the date granted.

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