ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

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

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

Q3 2016
Shares 175,100 Value ($000) $22,084 Avg Close — Range —
Q2 2016
Shares 183,000 Value ($000) $25,256 Avg Close — Range —
Q1 2016
Shares 1,600 Value ($000) $222 Avg Close — Range —