TETRA TECHNOLOGIES INC DEL

Ticker: TTI CUSIP: 88162F105 Class: Common Stock

GAM Holding AG's Holding History (CIK: 0001438848)

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

Q2 2017

Shares 306,716 Value ($000) $856 Avg Close $3.32 Range $2.61 - $4.36

Q1 2017

Shares 310,000 Value ($000) $1,262 Avg Close $4.50 Range $3.46 - $5.29

Q4 2016

Shares 241,310 Value ($000) $1,211 Avg Close $5.41 Range $4.36 - $6.34

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	306,716	$856	$3.32	$2.61 - $4.36
Q1 2017	310,000	$1,262	$4.50	$3.46 - $5.29
Q4 2016	241,310	$1,211	$5.41	$4.36 - $6.34