TETRA TECHNOLOGIES INC DEL

Ticker: TTI CUSIP: 88162F105 Class: Common Stock

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2020

Shares 274 Value ($000) $0 Avg Close $0.69 Range $0.47 - $0.92

Q3 2020

Shares 274 Value ($000) $0 Avg Close $0.61 Range $0.47 - $0.98

Q2 2020

Shares 274 Value ($000) $0 Avg Close $0.40 Range $0.22 - $0.78

Q1 2020

Shares 274 Value ($000) $0 Avg Close $1.19 Range $0.28 - $2.07

Q4 2018

Shares 219 Value ($000) $0 Avg Close $2.78 Range $1.29 - $4.57

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	274	$0	$0.69	$0.47 - $0.92
Q3 2020	274	$0	$0.61	$0.47 - $0.98
Q2 2020	274	$0	$0.40	$0.22 - $0.78
Q1 2020	274	$0	$1.19	$0.28 - $2.07
Q4 2018	219	$0	$2.78	$1.29 - $4.57