TETRA TECH INC — Director's Dealing 2014

Feb 18, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2014-02-18

Reporting Person: LEMMON RICHARD A (SENIOR VICE PRESIDENT)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-02-18	COMMON STOCK	M	7013	$18.07	Acquired	31373	Direct
2014-02-18	COMMON STOCK	S	7013	$28.75	Disposed	24360	Direct
2014-02-18	COMMON STOCK	M	500	$18.07	Acquired	24860	Direct
2014-02-18	COMMON STOCK	S	500	$28.85	Disposed	24360	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-02-18	STOCK OPTION	$18.07	M	7013	Disposed	2014-03-06	COMMON STOCK (7013)	Direct
2014-02-18	STOCK OPTION	$18.07	M	500	Disposed	2014-03-06	COMMON STOCK (500)	Direct

Footnotes

F1: The option was fully vested as of March 6, 2010.