TETRA TECHNOLOGIES INC DEL

Ticker: TTI CUSIP: 88162F105 Class: Common Stock

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q3 2016

Shares 200,353 Value ($000) $1,224,000 Avg Close $6.08 Range $5.33 - $6.77

Q2 2016

Shares 137,866 Value ($000) $878,000 Avg Close $6.16 Range $4.65 - $7.75

Q2 2015

Shares 72,300 Value ($000) $461,000 Avg Close $6.74 Range $5.85 - $7.52

Q1 2015

Shares 14,500 Value ($000) $90,000 Avg Close $5.51 Range $4.72 - $6.84

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	200,353	$1,224,000	$6.08	$5.33 - $6.77
Q2 2016	137,866	$878,000	$6.16	$4.65 - $7.75
Q2 2015	72,300	$461,000	$6.74	$5.85 - $7.52
Q1 2015	14,500	$90,000	$5.51	$4.72 - $6.84