ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q2 2016
Shares 12,276 Value ($000) $1,694 Avg Close — Range —
Q1 2016
Shares 13,218 Value ($000) $1,834 Avg Close — Range —
Q4 2015
Shares 12,276 Value ($000) $1,976 Avg Close — Range —