Ownership Submission
FORM 5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Form 3 Holdings Reported
Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN 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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1. Name and Address of Reporting Person *
NUSSBAUM JOHN L
 2. Issuer Name and Ticker or Trading Symbol
PLEXUS CORP [PLXS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
Chairman of the Board
(Last)
(First)
(Middle)

55 JEWELERS PARK DRIVE		 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
09/29/2007
(Street)


NEENAH, WI 54956		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Reporting
(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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Amount (A) or (D) Price
Common Stock, $.01 par value             3,984 I 401(k) (1)
Common Stock, $.01 par value 12/06/2001   G5(2) 2,350 D $ (2) 145,768 D (3)  
Common Stock, $.01 par value 12/31/2004   G5(2) 6,800 D $ (2) 148,118 D (3)  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option to buy (4) $ 15.125           04/21/2000 04/21/2009 Common Stock
20,058
  20,058
D
 
Option to buy (4) $ 35.5469           04/24/2001 04/24/2010 Common Stock
40,000
  40,000
D
 
Option to buy (4) $ 23.55           04/06/2002 04/06/2011 Common Stock
25,752
  25,752
D
 
Option to buy (4) $ 18.125           06/01/2004 12/01/2013 Common Stock
6,000
  6,000
D
 
Option to buy (4) $ 22.04           12/01/2005 12/01/2015 Common Stock
10,000
  10,000
D
 
Option to buy (5) $ 23.855           12/01/2006 12/01/2016 Common Stock
10,000
  10,000
D
 

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
NUSSBAUM JOHN L
55 JEWELERS PARK DRIVE
NEENAH, WI 54956		   X     Chairman of the Board

Signatures

John L. Nussbaum, by Megan Matthews, Attorney-in-Fact 11/13/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) Shares of Plexus Corp. common stock held in the Plexus Corp. 401(k) Savings Plan as of the last date of a statement from the Plan's trustee.
(2) Represents an exempt gift transaction (through a series of gifts) not previously reported.
(3) Shares of Plexus Corp. common stock held in the John L. and Sandra K. Nussbaum Revocable Trust.
(4) Options granted under the Plexus Corp. 2005 Equity Incentive Plan, or a predecessor plan, which qualifies under Rule 16b-3; now fully vested.
(5) Options granted under the Plexus Corp. 2005 Equity Incentive Plan; one half vested immediately, and the other half vest on 12/1/2007.

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