OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

COMMERZBANK AKTIENGESELLSCHAFT /FI's Holding History (CIK: 0000852933)

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

Q4 2013

Shares 10,597 Value ($000) $996 Avg Close $59.96 Range $55.90 - $64.94

Q3 2013

Shares 300,985 Value ($000) $31,140 Avg Close $54.60 Range $50.41 - $61.05

Q2 2013

Shares 804,370 Value ($000) $74,517 Avg Close $51.03 Range $40.78 - $59.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	10,597	$996	$59.96	$55.90 - $64.94
Q3 2013	300,985	$31,140	$54.60	$50.41 - $61.05
Q2 2013	804,370	$74,517	$51.03	$40.78 - $59.14