ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC's Holding History (CIK: 0001629649)

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

Q4 2015
Shares 4,551 Value ($000) $733 Avg Close — Range —
Q3 2015
Shares 4,540 Value ($000) $605 Avg Close — Range —
Q2 2015
Shares 4,540 Value ($000) $520 Avg Close — Range —
Q1 2015
Shares 4,190 Value ($000) $500 Avg Close — Range —