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

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
DRURY DAVID J
  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) _____ Other (specify below)
(Last)
(First)
(Middle)
55 JEWELERS PARK DRIVE
3. Date of Earliest Transaction (Month/Day/Year)
11/16/2005
(Street)

NEENAH, WI 54956
4. If Amendment, Date Original Filed(Month/Day/Year)
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 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 Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, $.01 par value 11/16/2005   P   2,000 A $ 19.5 5,000 D  

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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 Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option to buy (1) $ 14.8125             06/01/1999 12/01/2008 Common Stock 3,000   3,000 D  
Option to buy (1) $ 19.4766             06/01/2000 12/01/2009 Common Stock 3,000   3,000 D  
Option to buy (1) $ 42.625             06/01/2001 12/01/2010 Common Stock 1,500   1,500 D  
Option to buy (1) $ 29.84             06/03/2002 12/03/2011 Common Stock 1,500   1,500 D  
Option to buy (1) $ 8.975             07/30/2003 01/30/2013 Common Stock 3,000   3,000 D  
Option to buy (1) $ 18.125             06/01/2004 12/01/2013 Common Stock 6,000   6,000 D  
Option to buy (1) $ 14.055             06/01/2005 12/01/2014 Common Stock 6,000   6,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
DRURY DAVID J
55 JEWELERS PARK DRIVE
NEENAH, WI 54956
  X      

Signatures

 David J. Drury, by Joseph D. Kaufman, Attorney-in-Fact   11/17/2005
**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) Options granted under the Plexus Corp. 1995 Directors' Stock Option Plan. Options may not be exercised until six months after grant. This is a Rule 16b-3 Plan.

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