TETRA TECH INC NEW

Ticker: TTEK CUSIP: 88162G103 Class: EQTY

BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp's Holding History (CIK: 0001228242)

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

Q4 2015
Shares 177,210 Value ($000) $4,611 Avg Close $5.34 Range $4.76 - $5.64
Q3 2015
Shares 177,210 Value ($000) $4,308 Avg Close $5.12 Range $4.82 - $5.50
Q2 2015
Shares 177,210 Value ($000) $4,544 Avg Close $5.12 Range $4.77 - $5.50
Q1 2015
Shares 177,210 Value ($000) $4,257 Avg Close $4.94 Range $4.60 - $5.40
Q4 2014
Shares 11,801 Value ($000) $315 Avg Close $5.23 Range $4.74 - $5.57
Q3 2014
Shares 18,000 Value ($000) $450 Avg Close $5.21 Range $4.59 - $5.65
Q2 2014
Shares 18,000 Value ($000) $495 Avg Close $5.47 Range $5.05 - $6.00
Q1 2014
Shares 20,000 Value ($000) $592 Avg Close $5.82 Range $5.47 - $6.18
Q4 2013
Shares 12,205 Value ($000) $341 Avg Close $5.40 Range $4.77 - $6.00
Q3 2013
Shares 11,457 Value ($000) $297 Avg Close $4.79 Range $4.44 - $5.21
Q2 2013
Shares 10,655 Value ($000) $250 Avg Close $5.31 Range $4.51 - $6.11
Q1 2013
Shares 10,655 Value ($000) $325 Avg Close $5.85 Range $5.32 - $6.30
Q4 2012
Shares 9,911 Value ($000) $262 Avg Close — Range —
Q3 2012
Shares 9,911 Value ($000) $260 Avg Close — Range —
Q2 2012
Shares 9,911 Value ($000) $258 Avg Close — Range —
Q1 2012
Shares 8,904 Value ($000) $235 Avg Close — Range —