ROWAN COMPANIES INC

CUSIP: 779382100 Class: CMN

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q4 2011
Shares 800 Value ($000) $24 Avg Close — Range —
Q3 2011
Shares 12,870 Value ($000) $389 Avg Close — Range —
Q2 2011
Shares 25,500 Value ($000) $990 Avg Close — Range —
Q1 2011
Shares 25,500 Value ($000) $1,127 Avg Close — Range —
Q4 2010
Shares 27,500 Value ($000) $960 Avg Close — Range —
Q1 2010
Shares 39,700 Value ($000) $1,156 Avg Close — Range —
Q4 2009
Shares 39,600 Value ($000) $897 Avg Close — Range —
Q3 2009
Shares 74,500 Value ($000) $1,719 Avg Close — Range —
Q2 2009
Shares 74,400 Value ($000) $1,437 Avg Close — Range —
Q1 2009
Shares 74,400 Value ($000) $891 Avg Close — Range —