Edgar Filing: PLEXUS CORP

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 ^*

Â Kelsey Todd P.

2. Date of Event Requiring Statement (Month/Day/Year)
08/29/2007

3. Issuer Name and Ticker or Trading Symbol
PLEXUS CORP [PLXS]

(Last)

(First)

(Middle)

55 JEWELERS PARK DRIVE

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

_____ Director	_____ 10% Owner
__X__ Officer (give title below)	_____ Other (specify below)
Sr VP Global Customer Services

5. If Amendment, Date Original Filed(Month/Day/Year)

(Street)

NEENAH,Â WIÂ 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	100	D	Â
Common Stock, $.01 par value	270	D ⁽¹⁾	Â

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Option to buy ⁽²⁾	04/21/2000⁽²⁾	04/21/2009	Common Stock	5,000	$ 15.125	D	Â
Option to buy ⁽²⁾	04/24/2001⁽²⁾	04/24/2010	Common Stock	4,800	$ 35.5469	D	Â
Option to buy ⁽²⁾	04/06/2002⁽²⁾	04/06/2011	Common Stock	2,400	$ 23.55	D	Â
Option to buy ⁽²⁾	04/22/2003⁽²⁾	04/22/2012	Common Stock	3,600	$ 25.285	D	Â
Option to buy ⁽²⁾	01/30/2004⁽²⁾	01/30/2013	Common Stock	3,600	$ 8.975	D	Â
Option to buy ⁽²⁾	08/14/2004⁽²⁾	08/14/2013	Common Stock	4,000	$ 14.015	D	Â
Option to buy ⁽²⁾	04/28/2005⁽²⁾	04/28/2014	Common Stock	5,000	$ 15.825	D	Â
Option to buy ⁽²⁾	05/18/2005⁽²⁾	05/18/2015	Common Stock	3,000	$ 12.94	D	Â
Option to buy ⁽³⁾	05/17/2007⁽³⁾	05/17/2016	Common Stock	5,000	$ 42.515	D	Â
Option to buy ⁽⁴⁾	05/17/2008⁽⁴⁾	05/17/2017	Common Stock	2,500	$ 21.41	D	Â
Option to buy ⁽⁴⁾	08/01/2008⁽⁴⁾	08/01/2017	Common Stock	2,500	$ 23.83	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Kelsey Todd P. 55 JEWELERS PARK DRIVE NEENAH,Â WIÂ 54956	Â	Â	Â Sr VP Global Customer Services	Â

Signatures

Todd P. Kelsey, by Megan Matthews, Attorney-in-Fact		09/06/2007
^**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)	Shares of Plexus Corp. common stock held in the Plexus Corp. Employee Stock Purchase Plan as of the last date of a statement from the Plan's Trustee.
(2)	Options granted under the Plexus Corp. 2005 Equity Incentive Plan, or a predecessor plan, which qualifies under Rule 16b-3; now fully vested.
(3)	Options granted under the Plexus Corp. 2005 Equity Incentive Plan which qualifies under Rule 16b-3. Options vest one third each year, commencing on the first anniversary of grant.
(4)	Options granted under the Plexus Corp. 2005 Equity Incentive Plan which qualifies under Rule 16b-3. Options vest one half each year, commencing on the first anniversary of grant.

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