PLEXUS CORP — Director's Dealing 2010

Jan 26, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PLEXUS CORP (PLXS)
CIK: 0000785786
Period of Report: 2010-01-25

Reporting Person: NUSSBAUM JOHN L (Director, Chairman of the Board)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-01-25	Common Stock, $.01 par value	S	10000	$34.06	Disposed	115218	Direct
2010-01-25	Common Stock, $.01 par value	A	2000	$0.00	Acquired	117218	Direct
2010-01-26	Common Stock, $.01 par value	M	25752	$23.55	Acquired	142970	Direct
2010-01-26	Common Stock, $.01 par value	S	300	$35.2633	Disposed	142670	Direct
2010-01-26	Common Stock, $.01 par value	M	6000	$18.125	Acquired	148670	Direct
2010-01-26	Common Stock, $.01 par value	S	31452	$35.3391	Disposed	117218	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-01-26	Option to buy	$23.55	M	25752	Disposed	2011-04-06	Common Stock (25752)	Direct
2010-01-26	Option to buy	$18.125	M	6000	Disposed	2013-12-01	Common Stock (6000)	Direct
2010-01-25	Option to buy	$33.999	A	1250	Acquired	2020-01-25	Common Stock (1250)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, $.01 par value	4199	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Option to buy	$35.5469	2010-04-24	Common Stock (40000)	40000	Direct
Option to buy	$22.04	2015-12-01	Common Stock (10000)	10000	Direct
Option to buy	$23.855	2016-12-01	Common Stock (10000)	10000	Direct
Option to buy	$27.465	2017-11-23	Common Stock (2500)	2500	Direct
Option to buy	$22.17	2018-01-28	Common Stock (2500)	2500	Direct
Option to buy	$24.21	2018-04-28	Common Stock (2500)	2500	Direct
Option to buy	$29.71	2018-07-29	Common Stock (2500)	2500	Direct
Option to buy	$14.17	2018-11-19	Common Stock (2500)	2500	Direct
Option to buy	$14.625	2019-02-02	Common Stock (2500)	2500	Direct
Option to buy	$20.953	2019-05-04	Common Stock (2500)	2500	Direct
Option to buy	$25.751	2019-08-03	Common Stock (2500)	2500	Direct

Footnotes

F1: 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.

F2: Includes shares of Plexus Corp. common stock held in the John L. and Sandra K. Nussbaum Revocable Trust.

F3: Award granted under the Plexus Corp. 2008 Long-Term Incentive Plan, which qualifies under Rule 16b-3.

F4: Options granted under the Plexus Corp. 2008 Long-Term Incentive Plan, or a predecessor plan, which qualifies under Rule 16b-3; now fully vested.

F5: Options granted under the Plexus Corp. 2008 Long-Term Incentive Plan, which qualifies under Rule 16b-3; one half vested immediately, and the other half vest on the first anniversary of grant date.

F6: Options granted under the Plexus Corp. 2008 Long-Term Incentive Plan, which qualifies under Rule 16b-3. Options immediately vested on grant date.