ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q4 2018
Shares 60,559 Value ($000) $7,990 Avg Close — Range —
Q3 2018
Shares 59,246 Value ($000) $7,915 Avg Close — Range —
Q2 2018
Shares 63,402 Value ($000) $10,090 Avg Close — Range —
Q1 2018
Shares 73,800 Value ($000) $10,556 Avg Close — Range —
Q4 2017
Shares 77,400 Value ($000) $10,297 Avg Close — Range —
Q3 2017
Shares 75,000 Value ($000) $9,327 Avg Close — Range —
Q2 2017
Shares 73,800 Value ($000) $10,373 Avg Close — Range —
Q1 2017
Shares 72,200 Value ($000) $8,136 Avg Close — Range —
Q4 2016
Shares 75,400 Value ($000) $7,930 Avg Close — Range —
Q3 2016
Shares 83,200 Value ($000) $10,493 Avg Close — Range —
Q2 2016
Shares 88,700 Value ($000) $12,242 Avg Close — Range —
Q1 2016
Shares 91,400 Value ($000) $12,684 Avg Close — Range —
Q4 2015
Shares 94,500 Value ($000) $15,212 Avg Close — Range —
Q3 2015
Shares 92,700 Value ($000) $12,362 Avg Close — Range —
Q2 2015
Shares 95,800 Value ($000) $10,977 Avg Close — Range —
Q1 2015
Shares 77,975 Value ($000) $11,365 Avg Close — Range —
Q4 2014
Shares 77,975 Value ($000) $11,365 Avg Close — Range —
Q3 2014
Shares 108,457 Value ($000) $14,283 Avg Close — Range —
Q2 2014
Shares 100,859 Value ($000) $12,620 Avg Close — Range —
Q1 2014
Shares 129,741 Value ($000) $19,000 Avg Close — Range —
Q4 2013
Shares 119,637 Value ($000) $16,011 Avg Close — Range —
Q3 2013
Shares 104,275 Value ($000) $11,320 Avg Close — Range —
Q2 2013
Shares 99,726 Value ($000) $8,449 Avg Close — Range —