AGIOS PHARMACEUTICALS INC

Ticker: AGIO CUSIP: 00847X104 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2014

Shares 12,026 Value ($000) $1,347 Avg Close $89.28 Range $58.55 - $124.39

Q3 2014

Shares 171,607 Value ($000) $10,528 Avg Close $43.10 Range $33.01 - $69.50

Q2 2014

Shares 256,261 Value ($000) $11,742 Avg Close $40.76 Range $31.42 - $50.37

Q1 2014

Shares 266,159 Value ($000) $10,420 Avg Close $33.46 Range $21.70 - $49.79

Q4 2013

Shares 253,182 Value ($000) $6,064 Avg Close $22.79 Range $15.77 - $33.59

Q3 2013

Shares 257,971 Value ($000) $7,213 Avg Close $27.61 Range $22.34 - $33.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	12,026	$1,347	$89.28	$58.55 - $124.39
Q3 2014	171,607	$10,528	$43.10	$33.01 - $69.50
Q2 2014	256,261	$11,742	$40.76	$31.42 - $50.37
Q1 2014	266,159	$10,420	$33.46	$21.70 - $49.79
Q4 2013	253,182	$6,064	$22.79	$15.77 - $33.59
Q3 2013	257,971	$7,213	$27.61	$22.34 - $33.45