RIVERBED TECHNOLOGY INC

CUSIP: 768573107 Class: COM

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

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

Q1 2015
Shares 70,300 Value ($000) $1,470 Avg Close — Range —
Q4 2014
Shares 73,800 Value ($000) $1,506 Avg Close — Range —
Q3 2014
Shares 75,800 Value ($000) $1,406 Avg Close — Range —
Q2 2014
Shares 75,700 Value ($000) $1,562 Avg Close — Range —
Q1 2014
Shares 75,300 Value ($000) $1,484 Avg Close — Range —
Q4 2013
Shares 75,800 Value ($000) $1,370 Avg Close — Range —
Q3 2013
Shares 76,500 Value ($000) $1,116 Avg Close — Range —
Q2 2013
Shares 440,200 Value ($000) $6,850 Avg Close — Range —