ROWAN COMPANIES F CLASS A

CUSIP: g7665a101 Class: COMMON EQUITY

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2014
Shares 21,880 Value ($000) $510 Avg Close — Range —
Q4 2013
Shares 17,900 Value ($000) $633 Avg Close — Range —
Q3 2013
Shares 21,880 Value ($000) $554 Avg Close — Range —