SEADRILL LIMITED

CUSIP: G7945E105 Class: COM

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

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

Q4 2013
Shares 45,440 Value ($000) $1,867 Avg Close — Range —
Q2 2013
Shares 41,400 Value ($000) $1,687 Avg Close — Range —