OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT's Holding History (CIK: 0001329375)

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

Q1 2016

Shares 7,127 Value ($000) $225 Avg Close $27.00 Range $21.44 - $33.05

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	7,127	$225	$27.00	$21.44 - $33.05