TETRA TECH INC — Director's Dealing 2013

Oct 30, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2013-10-29

Reporting Person: CHU RONALD J (EXECUTIVE VICE PRESIDENT)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-10-29	COMMON STOCK	M	1000	$18.54	Acquired	27082	Direct
2013-10-29	COMMON STOCK	S	1000	$27.00	Disposed	26082	Direct
2013-10-29	COMMON STOCK	M	5000	$17.71	Acquired	31082	Direct
2013-10-29	COMMON STOCK	S	5000	$27.00	Disposed	26082	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-10-29	EMPLOYEE STOCK OPTION (RIGHT TO BUY)	$18.54	M	1000	Disposed	2014-11-13	COMMON STOCK (1000)	Direct
2013-10-29	EMPLOYEE STOCK OPTION (RIGHT TO BUY)	$17.71	M	5000	Disposed	2014-12-05	COMMON STOCK (5000)	Direct

Footnotes

F1: The option was fully vested on 11/13/2010.

F2: The option was fully vested on 12/5/2010.

F3: Pursuant to a 10b5-1 Plan