OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

RiverFront Investment Group, LLC's Holding History (CIK: 0001469751)

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

Q1 2013
Shares 5,222 Value ($000) $426 Avg Close $44.44 Range $40.73 - $47.26
Q4 2012
Shares 5,357 Value ($000) $383 Avg Close — Range —
Q3 2012
Shares 2,725 Value ($000) $217 Avg Close — Range —
Q1 2012
Shares 49,104 Value ($000) $3,832 Avg Close — Range —
Q4 2011
Shares 52,380 Value ($000) $3,999 Avg Close — Range —
Q3 2011
Shares 57,087 Value ($000) $2,907 Avg Close — Range —
Q2 2011
Shares 59,361 Value ($000) $4,744 Avg Close — Range —