ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2018
Shares 510,156 Value ($000) $67,305 Avg Close — Range —
Q3 2018
Shares 1,361,199 Value ($000) $181,856 Avg Close — Range —
Q2 2018
Shares 2,825,372 Value ($000) $449,630 Avg Close — Range —
Q1 2018
Shares 3,660,581 Value ($000) $523,573 Avg Close — Range —
Q4 2017
Shares 3,454,259 Value ($000) $459,555 Avg Close — Range —
Q3 2017
Shares 2,995,866 Value ($000) $372,566 Avg Close — Range —
Q2 2017
Shares 3,117,039 Value ($000) $438,100 Avg Close — Range —
Q1 2017
Shares 3,762,556 Value ($000) $424,002 Avg Close — Range —
Q4 2016
Shares 1,808,876 Value ($000) $190,239 Avg Close — Range —
Q3 2016
Shares 2,631,246 Value ($000) $331,853 Avg Close — Range —
Q2 2016
Shares 2,621,679 Value ($000) $361,818 Avg Close — Range —
Q1 2016
Shares 2,781,947 Value ($000) $386,079 Avg Close — Range —
Q4 2015
Shares 2,549,522 Value ($000) $410,397 Avg Close — Range —
Q3 2015
Shares 2,963,484 Value ($000) $395,181 Avg Close — Range —
Q2 2015
Shares 2,381,039 Value ($000) $272,819 Avg Close — Range —
Q1 2015
Shares 1,982,572 Value ($000) $236,699 Avg Close — Range —
Q4 2014
Shares 1,977,848 Value ($000) $288,172 Avg Close — Range —
Q3 2014
Shares 2,217,932 Value ($000) $292,079 Avg Close — Range —
Q2 2014
Shares 2,952,285 Value ($000) $369,419 Avg Close — Range —
Q1 2014
Shares 2,152,643 Value ($000) $344,940 Avg Close — Range —
Q4 2013
Shares 2,217,315 Value ($000) $298,229 Avg Close — Range —
Q3 2013
Shares 2,367,315 Value ($000) $256,996 Avg Close — Range —
Q2 2013
Shares 2,467,315 Value ($000) $209,031 Avg Close — Range —