CEB INC

CUSIP: 125134106 Class: COM

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

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

Q1 2017
Shares 13,100 Value ($000) $1,030 Avg Close — Range —
Q4 2016
Shares 13,000 Value ($000) $788 Avg Close — Range —
Q3 2016
Shares 13,000 Value ($000) $708 Avg Close — Range —
Q2 2016
Shares 12,900 Value ($000) $796 Avg Close — Range —
Q1 2016
Shares 13,000 Value ($000) $841 Avg Close — Range —
Q4 2015
Shares 13,100 Value ($000) $804 Avg Close — Range —
Q3 2015
Shares 15,300 Value ($000) $1,046 Avg Close — Range —
Q2 2015
Shares 15,200 Value ($000) $1,323 Avg Close — Range —