OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 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.

Q2 2014

Shares 21,354 Value ($000) $1,369,000 Avg Close $58.83 Range $53.39 - $65.77

Q1 2014

Shares 60,000 Value ($000) $5,916,000 Avg Close $55.40 Range $51.78 - $59.95

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	21,354	$1,369,000	$58.83	$53.39 - $65.77
Q1 2014	60,000	$5,916,000	$55.40	$51.78 - $59.95