TETRA TECH INC — Director's Dealing 2011

Nov 10, 2011

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2011-11-07

Reporting Person: MCDONALD KEVIN P (SENIOR VICE PRESIDENT)

Holdings (Non-Derivative)

Security	Shares	Ownership
COMMON STOCK	694	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
STOCK OPTION	$24.56	2014-01-20	COMOMN STOCK (1100)		Direct
STOCK OPTION	$13.42	2014-11-15	COMMON STOCK (7500)		Direct
STOCK OPTION	$15.79	2015-01-18	COMMON STOCK (1500)		Direct
STOCK OPTION	$18.07	2014-03-06	COMMON STOCK (4000)		Direct
STOCK OPTION	$17.71	2014-12-05	COMMON STOCK (5000)		Direct
STOCK OPTION	$23.68	2015-11-16	COMMON STOCK (5500)		Direct
STOCK OPTION	$16.98	2016-11-14	COMMON STOCK (5500)		Direct
STOCK OPTION	$25.55	2017-11-13	COMMON STOCK (5500)		Direct
STOCK OPTION	$23.48	2018-11-12	COMMON STOCK (5500)		Direct

Footnotes

F1: Fully vested.

F2: The option granted on November 16, 2007 is vested as to 75%, remaining vest 25% annually.

F3: The option granted on November 14, 2008 is vested as to 50%, remaining vest 25% annually.

F4: The option granted on November 13, 2009 is vested as to 25%, remaining vest 25% annually.

F5: The option becomes exercisable as to 25% of the shares on each anniversary of the grant date.