TETRA TECH INC — Director's Dealing 2013

Nov 19, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2013-11-16

Reporting Person: BATRACK DAN L (Director, CHIEF EXECUTIVE OFFICER)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-11-16	COMMON STOCK	M	4625	—	Acquired	160748	Direct
2013-11-16	COMMON STOCK	F	1719	$28.87	Disposed	159029	Direct
2013-11-18	COMMON STOCK	M	30000	$18.07	Acquired	189029	Direct
2013-11-18	COMMON STOCK	M	15000	$24.56	Acquired	204029	Direct
2013-11-18	COMMON STOCK	S	30000	$28.7585	Disposed	174029	Direct
2031-11-18	COMMON STOCK	S	15000	$28.7585	Disposed	159029	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-11-16	RESTRICTED STOCK UNITS	$0	M	4625	Disposed	2016-11-16	COMMON STOCK (4625)	Direct
2013-11-18	STOCK OPTION	$18.07	M	30000	Disposed	2014-03-06	COMMON STOCK (30000)	Direct
2013-11-18	COMMON STOCK	$24.56	M	15000	Disposed	2014-01-20	COMMON STOCK (15000)	Direct

Footnotes

F1: On November 16, 2013, 4,625 restricted stock units (RSUs) awarded in November 2012 vested. Of the vested RSUs, 1,719 underlying shares were withheld to pay the related tax liability.

F2: The option was fully vested as of March 6, 2013.

F3: The option was fully vested as of September 6, 2005.

F4: On November 16, 2013, 4,625 restricted stock units (RSUs) awarded in November 2012 vested. The shares of common stock into which such vested RSUs converted are reported in Table I of this Form 4.

F5: Represents the conversion upon vesting of restricted stock units into common stock.