ENSCO PLC

CUSIP: G3157S106 Class: SHS CLASS A

State of Alaska, Department of Revenue's Holding History (CIK: 0001370102)

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

Q3 2014
Shares 5,720 Value ($000) $236 Avg Close — Range —
Q4 2013
Shares 5,060 Value ($000) $289 Avg Close — Range —
Q2 2013
Shares 2,610 Value ($000) $151 Avg Close — Range —