ENSCO PLC

CUSIP: G3157S106 Class: SHS CLASS A

BOKF, NA's Holding History (CIK: 0000009634)

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

Q3 2018
Shares 2,245 Value ($000) $19 Avg Close — Range —
Q2 2018
Shares 2,245 Value ($000) $16 Avg Close — Range —
Q1 2017
Shares 1,180 Value ($000) $10 Avg Close — Range —
Q4 2016
Shares 1,370 Value ($000) $13 Avg Close — Range —
Q2 2016
Shares 1,031 Value ($000) $10 Avg Close — Range —