TETRA TECH INC NEW

Ticker: TTEK CUSIP: 88162G103 Class: EQTY

BAMCO INC /NY/'s Holding History (CIK: 0001017918)

Note: Option positions (PUT/CALL) are excluded.

Q1 2014

Shares 350,000 Value ($000) $10,356 Avg Close $5.82 Range $5.47 - $6.18

Q4 2013

Shares 425,000 Value ($000) $11,891 Avg Close $5.40 Range $4.77 - $6.00

Q3 2013

Shares 522,200 Value ($000) $13,520 Avg Close $4.79 Range $4.44 - $5.21

Q2 2013

Shares 648,200 Value ($000) $15,239 Avg Close $5.31 Range $4.51 - $6.11

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	350,000	$10,356	$5.82	$5.47 - $6.18
Q4 2013	425,000	$11,891	$5.40	$4.77 - $6.00
Q3 2013	522,200	$13,520	$4.79	$4.44 - $5.21
Q2 2013	648,200	$15,239	$5.31	$4.51 - $6.11