PEPCO HOLDINGS INC

CUSIP: 713291102 Class: COM

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

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

Q4 2015
Shares 86,722 Value ($000) $2,256 Avg Close — Range —
Q3 2015
Shares 91,622 Value ($000) $2,219 Avg Close — Range —
Q2 2015
Shares 98,022 Value ($000) $2,641 Avg Close — Range —
Q1 2015
Shares 97,522 Value ($000) $2,617 Avg Close — Range —
Q4 2014
Shares 103,722 Value ($000) $2,793 Avg Close — Range —
Q3 2014
Shares 102,822 Value ($000) $2,752 Avg Close — Range —
Q2 2014
Shares 752,822 Value ($000) $20,688 Avg Close — Range —
Q1 2014
Shares 102,222 Value ($000) $2,094 Avg Close — Range —
Q4 2013
Shares 101,522 Value ($000) $1,942 Avg Close — Range —
Q3 2013
Shares 101,322 Value ($000) $1,870 Avg Close — Range —
Q2 2013
Shares 100,922 Value ($000) $2,035 Avg Close — Range —