TETRA TECH INC — Director's Dealing 2012

Nov 21, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2012-11-19

Reporting Person: SMITH DOUGLAS G (EXECUTIVE VICE PRESIDENT)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-19	COMMON STOCK	M	4625	$16.98	Acquired	21834	Direct
2012-11-19	COMMON STOCK	M	4700	$23.48	Acquired	26.534	Direct
2012-11-19	COMMON STOCK	S	4625	$25.037	Disposed	21909	Direct
2012-11-19	COMMON STOCK	S	4700	$25.0387	Disposed	17209	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-19	Employee Stock Option (Right to Buy)	$16.98	M	4625	Disposed	2016-11-13	COMMON STOCK (4625)	Direct
2012-11-13	Employee Stock Option (Right to Buy)	$23.48	M	4700	Disposed	2018-11-12	COMMON STOCK (4700)	Direct

Footnotes

F1: The option was fully vested as of November 13,2012.