ENSCO PLC

CUSIP: G3157S106 Class: SHS CLASS A

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q3 2017
Shares 1,582,762 Value ($000) $9,449,000 Avg Close — Range —
Q2 2017
Shares 380,137 Value ($000) $1,962,000 Avg Close — Range —
Q1 2017
Shares 332,000 Value ($000) $2,971,000 Avg Close — Range —
Q4 2016
Shares 340,192 Value ($000) $3,307,000 Avg Close — Range —
Q3 2016
Shares 667,071 Value ($000) $5,670,000 Avg Close — Range —
Q2 2016
Shares 63,774 Value ($000) $619,000 Avg Close — Range —
Q2 2013
Shares 162,015 Value ($000) $9,416,000 Avg Close — Range —