ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2018
Shares 41,269 Value ($000) $5,445 Avg Close — Range —
Q3 2018
Shares 97,069 Value ($000) $12,968 Avg Close — Range —
Q2 2018
Shares 40,829 Value ($000) $6,498 Avg Close — Range —
Q1 2018
Shares 7,915 Value ($000) $1,132 Avg Close — Range —
Q4 2017
Shares 8,135 Value ($000) $1,082 Avg Close — Range —
Q3 2017
Shares 8,032 Value ($000) $999 Avg Close — Range —
Q2 2017
Shares 7,868 Value ($000) $1,106 Avg Close — Range —
Q1 2017
Shares 7,798 Value ($000) $879 Avg Close — Range —
Q4 2016
Shares 21,341 Value ($000) $2,244 Avg Close — Range —
Q3 2016
Shares 24,930 Value ($000) $3,144 Avg Close — Range —
Q2 2016
Shares 25,430 Value ($000) $3,510 Avg Close — Range —
Q1 2016
Shares 26,880 Value ($000) $3,730 Avg Close — Range —
Q4 2015
Shares 28,120 Value ($000) $4,526 Avg Close — Range —
Q3 2015
Shares 28,790 Value ($000) $3,839 Avg Close — Range —
Q2 2015
Shares 29,620 Value ($000) $3,394 Avg Close — Range —
Q1 2015
Shares 28,730 Value ($000) $3,430 Avg Close — Range —
Q4 2014
Shares 29,520 Value ($000) $4,301 Avg Close — Range —
Q3 2014
Shares 27,840 Value ($000) $3,666 Avg Close — Range —
Q2 2014
Shares 82,604 Value ($000) $10,336 Avg Close — Range —
Q1 2014
Shares 48,999 Value ($000) $7,852 Avg Close — Range —
Q4 2013
Shares 48,999 Value ($000) $6,590 Avg Close — Range —
Q3 2013
Shares 62,999 Value ($000) $6,839 Avg Close — Range —
Q2 2013
Shares 74,708 Value ($000) $6,329 Avg Close — Range —