ENSCO PLC

CUSIP: G3157S106 Class: SHS CLASS A

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT's Holding History (CIK: 0001329375)

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

Q4 2017
Shares 30,000 Value ($000) $177 Avg Close — Range —
Q4 2016
Shares 16,511 Value ($000) $160 Avg Close — Range —
Q3 2016
Shares 63,209 Value ($000) $537 Avg Close — Range —