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: 2013-11-11

Reporting Person: CARTER BRIAN N (SENIOR VICE PRESIDENT)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-11-11	COMMON STOCK	M	250	—	Acquired	4397	Direct
2013-11-11	COMMON STOCK	F	94	$26.38	Disposed	4303	Direct
2013-11-16	COMMON STOCK	M	500	—	Acquired	4803	Direct
2013-11-16	COMMON STOCK	F	188	$28.87	Disposed	4615	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-11-11	RESTRICTED STOCK UNITS	$0	M	250	Disposed	2015-11-11	COMMON STOCK (250)	Direct
2013-11-16	RESTRICTED STOCK UNITS	$0	M	500	Disposed	2016-11-16	COMMON STOCK (500)	Direct

Footnotes

F1: On November 16, 2013, 500 restricted stock units (RSUs) awarded in November 2012 vested. Of the vested RSUs, 188 underlying shares were withheld to pay the related tax liability.

F2: On November 16, 2013, 500 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.

F3: Represents the conversion upon vesting of restricted stock units into common stock.

F4: On November 11, 2013, 250 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: On November 11, 2013, 250 restricted stock units (RSUs) awarded in November 2012 vested. Of the vested RSUs, 94 underlying shares were withheld to pay the related tax liability.