OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

Champlain Investment Partners, LLC's Holding History (CIK: 0001315478)

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

Q2 2013

Shares 138,070 Value ($000) $12,791 Avg Close $51.03 Range $40.78 - $59.14

Q1 2013

Shares 231,805 Value ($000) $18,908 Avg Close $44.44 Range $40.73 - $47.26

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2013	138,070	$12,791	$51.03	$40.78 - $59.14
Q1 2013	231,805	$18,908	$44.44	$40.73 - $47.26