OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q3 2014

Shares 235,501 Value ($000) $14,578 Avg Close $62.75 Range $59.66 - $65.05

Q2 2014

Shares 173,808 Value ($000) $11,139 Avg Close $58.83 Range $53.39 - $65.77

Q1 2014

Shares 198,687 Value ($000) $19,591 Avg Close $55.40 Range $51.78 - $59.95

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	235,501	$14,578	$62.75	$59.66 - $65.05
Q2 2014	173,808	$11,139	$58.83	$53.39 - $65.77
Q1 2014	198,687	$19,591	$55.40	$51.78 - $59.95