CORPORATE EXECUTIVE BRD CO

CUSIP: 21988R102 Class: COM

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

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

Q1 2015
Shares 15,200 Value ($000) $1,214 Avg Close — Range —
Q4 2014
Shares 16,000 Value ($000) $1,160 Avg Close — Range —
Q3 2014
Shares 16,000 Value ($000) $961 Avg Close — Range —
Q2 2014
Shares 15,900 Value ($000) $1,085 Avg Close — Range —
Q1 2014
Shares 15,800 Value ($000) $1,173 Avg Close — Range —
Q4 2013
Shares 15,700 Value ($000) $1,216 Avg Close — Range —
Q3 2013
Shares 15,700 Value ($000) $1,140 Avg Close — Range —
Q2 2013
Shares 15,500 Value ($000) $980 Avg Close — Range —