ENSCO PLC

CUSIP: G3157S106 Class: SHS CLASS A

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

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

Q3 2018
Shares 581,630 Value ($000) $4,909 Avg Close — Range —
Q2 2018
Shares 581,630 Value ($000) $4,223 Avg Close — Range —
Q1 2017
Shares 310,490 Value ($000) $2,779 Avg Close — Range —
Q2 2013
Shares 36,300 Value ($000) $2,110 Avg Close — Range —