PLEXUS CORP — Director's Dealing 2011

Nov 1, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PLEXUS CORP (PLXS)
CIK: 0000785786
Period of Report: 2011-10-31

Reporting Person: Buseman Michael D. (Exec. VP Global Mfg Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-10-31	Common Stock, $.01 par value	M	4975	—	Acquired	8395	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-10-31	Option to buy	$25.92	A	6250	Acquired	2021-10-31	Common Stock (6250)	Direct
2011-10-31	Restricted Stock Units	$	M	4975	Disposed		Common Stock (4975)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, $.01 par value	1649	Indirect

Footnotes

F1: Shares of Plexus Corp. common stock held in the Plexus Corp. 401(k) Savings Plan as of the last report from the Plan's Trustee.

F2: Each Restricted Stock Unit granted under the Plexus Corp. 2008 Long-Term Incentive Plan, which qualifies under Rule 16b-3, represented a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and were settled on October 31, 2011.

F3: Options granted under the Plexus Corp. 2008 Long-Term Incentive Plan, which qualifies under Rule 16b-3; one half vests each year, commencing on the first anniversary of grant.