TETRA TECH INC — Director's Dealing 2014

Feb 12, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2014-02-11

Reporting Person: BROWNLIE WILLIAM R (SENIOR VICE PRESIDENT)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-02-11	COMMON STOCK	M	2100	$17.71	Acquired	69340	Direct
2014-02-11	COMMON STOCK	D	2100	$28.75	Disposed	67240	Direct
2014-02-12	COMMON STOCK	M	12900	$17.71	Acquired	80140	Direct
2014-02-12	COMMON STOCK	D	12900	$28.7427	Disposed	67240	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-02-11	EMPLOYEE STOCK OPTION (RIGHT TO BUY)	$17.71	M	2100	Disposed	2014-12-05	COMMON STOCK (2100)	Direct
2014-02-12	EMPLOYEE STOCK OPTION (RIGHT TO BUY)	$17.71	M	12900	Disposed	2014-12-05	COMMON STOCK (12900)	Direct

Footnotes

F1: The option was fully vested on December 5, 2010.

F2: Consists of 217 shares acquired under the Tetra Tech, Inc. Employee Stock Purchase Plan (an exempt transaction under Rule 16b-3(c)).