OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.'s Holding History (CIK: 0001166152)

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

Q4 2013

Shares 4,000 Value ($000) $407 Avg Close $59.96 Range $55.90 - $64.94

Q3 2013

Shares 4,000 Value ($000) $414 Avg Close $54.60 Range $50.41 - $61.05

Q2 2013

Shares 4,000 Value ($000) $371 Avg Close $51.03 Range $40.78 - $59.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	4,000	$407	$59.96	$55.90 - $64.94
Q3 2013	4,000	$414	$54.60	$50.41 - $61.05
Q2 2013	4,000	$371	$51.03	$40.78 - $59.14