ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

Clearbridge Investments, LLC's Holding History (CIK: 0001348883)

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

Q4 2018
Shares 578,532 Value ($000) $76,326 Avg Close — Range —
Q3 2018
Shares 964,092 Value ($000) $128,803 Avg Close — Range —
Q2 2018
Shares 944,517 Value ($000) $150,310 Avg Close — Range —
Q1 2018
Shares 912,763 Value ($000) $130,552 Avg Close — Range —
Q4 2017
Shares 911,546 Value ($000) $121,272 Avg Close — Range —
Q3 2017
Shares 910,195 Value ($000) $113,192 Avg Close — Range —
Q2 2017
Shares 909,453 Value ($000) $127,824 Avg Close — Range —
Q1 2017
Shares 908,505 Value ($000) $102,379 Avg Close — Range —
Q4 2016
Shares 561,372 Value ($000) $59,039 Avg Close — Range —
Q3 2016
Shares 500,951 Value ($000) $63,180 Avg Close — Range —
Q2 2016
Shares 502,744 Value ($000) $69,384 Avg Close — Range —
Q1 2016
Shares 501,993 Value ($000) $69,667 Avg Close — Range —
Q4 2015
Shares 511,225 Value ($000) $82,292 Avg Close — Range —
Q3 2015
Shares 597,900 Value ($000) $79,730 Avg Close — Range —
Q2 2015
Shares 618,933 Value ($000) $70,917 Avg Close — Range —
Q1 2015
Shares 625,140 Value ($000) $74,635 Avg Close — Range —
Q4 2014
Shares 624,437 Value ($000) $90,980 Avg Close — Range —
Q3 2014
Shares 594,865 Value ($000) $78,338 Avg Close — Range —
Q2 2014
Shares 598,561 Value ($000) $74,898 Avg Close — Range —
Q1 2014
Shares 601,833 Value ($000) $96,438 Avg Close — Range —
Q4 2013
Shares 605,258 Value ($000) $81,407 Avg Close — Range —
Q3 2013
Shares 612,874 Value ($000) $66,547 Avg Close — Range —
Q2 2013
Shares 467,752 Value ($000) $39,632 Avg Close — Range —