TW TELECOM INC

CUSIP: 87311L104 Class: COM

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

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

Q3 2014
Shares 65,500 Value ($000) $2,725 Avg Close — Range —
Q2 2014
Shares 65,000 Value ($000) $2,620 Avg Close — Range —
Q1 2014
Shares 66,200 Value ($000) $2,069 Avg Close — Range —
Q4 2013
Shares 67,400 Value ($000) $2,054 Avg Close — Range —
Q3 2013
Shares 67,900 Value ($000) $2,028 Avg Close — Range —
Q2 2013
Shares 69,200 Value ($000) $1,947 Avg Close — Range —