PLEXUS CORP — Director's Dealing 2016

May 4, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PLEXUS CORP (PLXS)
CIK: 0000785786
Period of Report: 2016-05-02

Reporting Person: Kelsey Todd P. (Exec VP & Chief Operating Off)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-02	Common Stock, $.01 par value	M	3500	$25.965	Acquired	45662	Direct
2016-05-02	Common Stock, $.01 par value	S	3500	$42.4757	Disposed	42162	Direct
2016-05-03	Common Stock, $.01 par value	M	1000	$42.515	Acquired	43162	Direct
2016-05-03	Common Stock, $.01 par value	S	1000	$42.89	Disposed	42162	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-05-02	Options to Buy	$25.965	M	3500	Disposed	2022-10-29	Common Stock (3500)	Direct
2016-05-03	Options to Buy	$42.515	M	1000	Disposed	2016-05-17	Common Stock (1000)	Direct

Footnotes

F1: This transaction was executed in multiple trades at prices ranging from $42.22 to $42.55 per share. The reported price reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F2: Options granted under the Plexus Corp. 2008 Long-Term Incentive Plan, or a predecessor plan, which qualifies under Rule 16b-3; now fully vested.