TETRA TECH INC NEW

Ticker: TTEK CUSIP: 88162G103 Class: EQTY

Stanley-Laman Group, Ltd.'s Holding History (CIK: 0001601489)

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

Q1 2020

Shares 14,130 Value ($000) $998 Avg Close $17.03 Range $12.72 - $19.87

Q4 2019

Shares 16,172 Value ($000) $1,393 Avg Close $17.32 Range $16.24 - $18.07

Q3 2019

Shares 15,129 Value ($000) $1,313 Avg Close $16.34 Range $14.60 - $17.46

Q2 2019

Shares 15,092 Value ($000) $1,185 Avg Close $13.48 Range $11.77 - $15.78

Q1 2019

Shares 14,963 Value ($000) $892 Avg Close $11.21 Range $9.70 - $12.25

Q4 2018

Shares 15,080 Value ($000) $781 Avg Close $12.40 Range $9.76 - $14.51

Q4 2013

Shares 72,706 Value ($000) $2,034 Avg Close $5.40 Range $4.77 - $6.00

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	14,130	$998	$17.03	$12.72 - $19.87
Q4 2019	16,172	$1,393	$17.32	$16.24 - $18.07
Q3 2019	15,129	$1,313	$16.34	$14.60 - $17.46
Q2 2019	15,092	$1,185	$13.48	$11.77 - $15.78
Q1 2019	14,963	$892	$11.21	$9.70 - $12.25
Q4 2018	15,080	$781	$12.40	$9.76 - $14.51
Q4 2013	72,706	$2,034	$5.40	$4.77 - $6.00