SOLARWINDS INC

CUSIP: 83416B109 Class: COM

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

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

Q4 2015
Shares 24,700 Value ($000) $1,455 Avg Close — Range —
Q3 2015
Shares 30,300 Value ($000) $1,189 Avg Close — Range —
Q2 2015
Shares 30,300 Value ($000) $1,398 Avg Close — Range —
Q1 2015
Shares 30,100 Value ($000) $1,542 Avg Close — Range —
Q4 2014
Shares 31,300 Value ($000) $1,560 Avg Close — Range —
Q3 2014
Shares 31,100 Value ($000) $1,308 Avg Close — Range —
Q2 2014
Shares 30,900 Value ($000) $1,195 Avg Close — Range —
Q1 2014
Shares 30,800 Value ($000) $1,313 Avg Close — Range —
Q4 2013
Shares 30,600 Value ($000) $1,158 Avg Close — Range —
Q3 2013
Shares 30,600 Value ($000) $1,073 Avg Close — Range —
Q2 2013
Shares 28,400 Value ($000) $1,102 Avg Close — Range —