OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q1 2017

Shares 43,000 Value ($000) $1,425 Avg Close $36.69 Range $30.25 - $41.25

Q4 2016

Shares 55,229 Value ($000) $2,154 Avg Close $33.97 Range $28.00 - $41.75

Q3 2016

Shares 98,800 Value ($000) $3,119 Avg Close $30.74 Range $27.07 - $33.79

Q4 2015

Shares 77,598 Value ($000) $2,115 Avg Close $29.75 Range $24.24 - $33.14

Q3 2015

Shares 179,677 Value ($000) $4,695 Avg Close $29.60 Range $23.35 - $37.27

Q2 2015

Shares 208,958 Value ($000) $7,780 Avg Close $42.08 Range $36.30 - $48.16

Q1 2015

Shares 138,900 Value ($000) $5,524 Avg Close $42.31 Range $38.41 - $49.31

Q4 2014

Shares 22,402 Value ($000) $1,095 Avg Close $54.06 Range $41.51 - $62.34

Q3 2014

Shares 5,542 Value ($000) $343 Avg Close $62.75 Range $59.66 - $65.05

Q2 2014

Shares 25,100 Value ($000) $1,609 Avg Close $58.83 Range $53.39 - $65.77

Q1 2014

Shares 16,100 Value ($000) $1,587 Avg Close $55.40 Range $51.78 - $59.95

Q4 2013

Shares 43,800 Value ($000) $4,455 Avg Close $59.96 Range $55.90 - $64.94

Q2 2013

Shares 8,053 Value ($000) $746 Avg Close $51.03 Range $40.78 - $59.14

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	43,000	$1,425	$36.69	$30.25 - $41.25
Q4 2016	55,229	$2,154	$33.97	$28.00 - $41.75
Q3 2016	98,800	$3,119	$30.74	$27.07 - $33.79
Q4 2015	77,598	$2,115	$29.75	$24.24 - $33.14
Q3 2015	179,677	$4,695	$29.60	$23.35 - $37.27
Q2 2015	208,958	$7,780	$42.08	$36.30 - $48.16
Q1 2015	138,900	$5,524	$42.31	$38.41 - $49.31
Q4 2014	22,402	$1,095	$54.06	$41.51 - $62.34
Q3 2014	5,542	$343	$62.75	$59.66 - $65.05
Q2 2014	25,100	$1,609	$58.83	$53.39 - $65.77
Q1 2014	16,100	$1,587	$55.40	$51.78 - $59.95
Q4 2013	43,800	$4,455	$59.96	$55.90 - $64.94
Q2 2013	8,053	$746	$51.03	$40.78 - $59.14