OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

EXENCIAL WEALTH ADVISORS, LLC's Holding History (CIK: 0001576151)

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

Q1 2013

Shares 10 Value ($000) $1 Avg Close $44.44 Range $40.73 - $47.26

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2013	10	$1	$44.44	$40.73 - $47.26