analyst coverage

Firm Analyst
Baird
 Jack Allen
Bank of America
 Jason Gerberry
Barclays
 Gena Wang
Goldman Sachs
 Salveen Richter
J.P. Morgan
 Eric Joseph
Morgan Stanley
 Jeffrey Hung
Raymond James
 Dane Leone
RBC Capital Markets
 Luca Issi, Ph.D.
SVB Securities
 Mani Foroohar
TD Cowen
 Yaron Werber, M.D.
Wedbush PacGrowth Life Sciences
 David Nierengarten Ph.D.
Wells Fargo
 Yanan Zhu
William Blair
 Sami Corwin

bluebird bio, Inc. is followed by the analysts listed above. Please note that any opinions, estimates or forecasts regarding bluebird bio, Inc.'s performance made by these analysts are theirs alone and do not represent opinions, forecasts or predictions of bluebird bio, Inc. or its management. bluebird bio, Inc. does not by its reference above or distribution imply its endorsement of or concurrence with such information, conclusions or recommendations.