OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

ATLANTIC INVESTMENT MANAGEMENT, INC.'s Holding History (CIK: 0001063296)

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

Q1 2015

Shares 3,500,000 Value ($000) $139,195 Avg Close $42.31 Range $38.41 - $49.31

Q4 2014

Shares 3,080,770 Value ($000) $150,650 Avg Close $54.06 Range $41.51 - $62.34

Q3 2014

Shares 2,373,710 Value ($000) $146,933 Avg Close $62.75 Range $59.66 - $65.05

Q2 2014

Shares 2,130,000 Value ($000) $136,512 Avg Close $58.83 Range $53.39 - $65.77

Q1 2014

Shares 2,474,596 Value ($000) $243,995 Avg Close $55.40 Range $51.78 - $59.95

Q4 2013

Shares 1,919,004 Value ($000) $195,201 Avg Close $59.96 Range $55.90 - $64.94

Q3 2013

Shares 2,050,000 Value ($000) $212,093 Avg Close $54.60 Range $50.41 - $61.05

Q2 2013

Shares 1,600,000 Value ($000) $148,224 Avg Close $51.03 Range $40.78 - $59.14

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	3,500,000	$139,195	$42.31	$38.41 - $49.31
Q4 2014	3,080,770	$150,650	$54.06	$41.51 - $62.34
Q3 2014	2,373,710	$146,933	$62.75	$59.66 - $65.05
Q2 2014	2,130,000	$136,512	$58.83	$53.39 - $65.77
Q1 2014	2,474,596	$243,995	$55.40	$51.78 - $59.95
Q4 2013	1,919,004	$195,201	$59.96	$55.90 - $64.94
Q3 2013	2,050,000	$212,093	$54.60	$50.41 - $61.05
Q2 2013	1,600,000	$148,224	$51.03	$40.78 - $59.14