ENSCO PLC

CUSIP: G3157S106 Class: SHS CLASS A

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q1 2019
Shares 155,800 Value ($000) $612 Avg Close — Range —
Q4 2018
Shares 155,800 Value ($000) $555 Avg Close — Range —
Q3 2018
Shares 161,700 Value ($000) $1,365 Avg Close — Range —
Q2 2018
Shares 161,000 Value ($000) $1,169 Avg Close — Range —
Q1 2018
Shares 158,900 Value ($000) $698 Avg Close — Range —
Q4 2017
Shares 156,700 Value ($000) $926 Avg Close — Range —
Q3 2017
Shares 114,300 Value ($000) $682 Avg Close — Range —
Q2 2017
Shares 125,100 Value ($000) $646 Avg Close — Range —
Q1 2017
Shares 123,100 Value ($000) $1,102 Avg Close — Range —
Q4 2016
Shares 143,100 Value ($000) $1,391 Avg Close — Range —
Q3 2016
Shares 142,300 Value ($000) $1,210 Avg Close — Range —
Q2 2016
Shares 141,900 Value ($000) $1,378 Avg Close — Range —
Q1 2016
Shares 114,700 Value ($000) $1,189 Avg Close — Range —
Q4 2015
Shares 101,580 Value ($000) $1,563 Avg Close — Range —
Q3 2015
Shares 106,080 Value ($000) $1,494 Avg Close — Range —
Q2 2015
Shares 177,880 Value ($000) $3,961 Avg Close — Range —
Q1 2015
Shares 228,380 Value ($000) $4,812 Avg Close — Range —
Q4 2014
Shares 199,480 Value ($000) $5,974 Avg Close — Range —
Q3 2014
Shares 350,780 Value ($000) $14,491 Avg Close — Range —
Q2 2014
Shares 235,780 Value ($000) $13,102 Avg Close — Range —
Q1 2014
Shares 235,280 Value ($000) $12,418 Avg Close — Range —
Q4 2013
Shares 191,724 Value ($000) $10,963 Avg Close — Range —
Q3 2013
Shares 191,724 Value ($000) $10,305 Avg Close — Range —
Q2 2013
Shares 191,324 Value ($000) $11,120 Avg Close — Range —