TETRA TECHNOLOGIES INC DEL

Ticker: TTI CUSIP: 88162F105 Class: Common Stock

Weiss Asset Management LP's Holding History (CIK: 0001357550)

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

Q4 2018

Shares 39,207 Value ($000) $66 Avg Close $2.78 Range $1.29 - $4.57

Q3 2018

Shares 15,820 Value ($000) $71 Avg Close $4.53 Range $4.09 - $5.11

Q2 2018

Shares 15,820 Value ($000) $70 Avg Close $4.13 Range $3.18 - $4.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	39,207	$66	$2.78	$1.29 - $4.57
Q3 2018	15,820	$71	$4.53	$4.09 - $5.11
Q2 2018	15,820	$70	$4.13	$3.18 - $4.85