TETRA TECH INC — Director's Dealing 2017

Feb 7, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2017-02-06

Reporting Person: HADEN PATRICK C (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-06	COMMON STOCK	M	8000	$22.40	Acquired	19420	Direct
2017-02-06	COMMON STOCK	M	8000	$22.81	Acquired	27420	Direct
2017-02-06	COMMON STOCK	S	16000	$41.342	Disposed	11420	Direct
2017-02-06	COMMON STOCK	S	1740	$41.2743	Disposed	9680	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-02-06	STOCK OPTION	$22.40	M	8000	Disposed	2019-03-01	COMMON STOCK (8000)	Direct
2017-02-06	STOCK OPTION	$22.81	M	8000	Disposed	2021-03-02	COMMON STOCK (8000)	Direct

Footnotes

F1: Each stock option became exercisable as to 100% of the shares on the anniversary of its grant date.

F2: $41.342 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.25 to $41.45.

F3: $41.2743 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.25 to $41.28.