analyst coverage

Firm Analyst
Baird
 Jack Allen
Bank of America
 Jason Gerberry
Barclays
 Gena Wang
Cantor Fitzgerald
 Eric Schmidt
Goldman Sachs
 Salveen Richter
HSBC
 Morten Herholdt
J.P. Morgan
 Eric Joseph
Leerink
 Mani Foroohar
RBC Capital Markets
 Luca Issi, Ph.D.
Wells Fargo
 Yanan Zhu
William Blair
 Sami Corwin

bluebird bio, Inc. is followed by the analysts listed. 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 or distribution imply its endorsement of or concurrence with such information, conclusions or recommendations.