NEW YORK--(BUSINESS WIRE)--WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of bluebird bio, Inc. (NASDAQ: BLUE) between May 11, 2020 and November 4, 2020, inclusive (the �Class Period�) of the important April 13, 2021 lead plaintiff deadline.

SO WHAT: If you purchased bluebird securities during the Class Period you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement.

WHAT TO DO NEXT: To join the bluebird class action, go to http://www.rosenlegal.com/cases-register-2032.html or call Phillip Kim, Esq. toll-free at 866-767-3653 or email [email protected] or [email protected] for information on the class action. A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no later than April 13, 2021. A lead plaintiff is a representative party acting on behalf of other class members in directing the litigation.

WHY ROSEN LAW: We encourage investors to select qualified counsel with a track record of success in leadership roles. Often, firms issuing notices do not have comparable experience or resources. The Rosen Law Firm represents investors throughout the globe, concentrating its practice in securities class actions and shareholder derivative litigation. Rosen Law Firm has achieved the largest ever securities class action settlement against a Chinese Company. Rosen Law Firm was Ranked No. 1 by ISS Securities Class Action Services for number of securities class action settlements in 2017. The firm has been ranked in the top 3 each year since 2013 and has recovered hundreds of millions of dollars for investors. In 2019 alone the firm secured over $438 million for investors. In 2020 founding partner Laurence Rosen was named by law360 as a Titan of Plaintiffs� Bar. Many of the firm�s attorneys have been recognized by Lawdragon and Super Lawyers.

DETAILS OF THE CASE: According to the lawsuit, defendants throughout the Class Period made false and/or misleading statements and/or failed to disclose that: (1) data supporting bluebird�s U.S. Biologics Licensing Application (�BLA�) submission for LentiGlobin for sickle cell disease (�SCD�) was insufficient to demonstrate drug product comparability; (2) defendants downplayed the foreseeable impact of disruptions related to the COVID-19 pandemic on the Company�s BLA submission schedule for LentiGlobin for SCD, particularly with respect to manufacturing; (3) as a result of all the foregoing, it was foreseeable that bluebird would not submit the BLA for LentiGlobin for SCD in the second half of 2021; and (4) as a result, defendants� public statements were materially false and misleading at all relevant times. When the true details entered the market, the lawsuit claims that investors suffered damages.

To join the bluebird class action, go to http://www.rosenlegal.com/cases-register-2032.html or call Phillip Kim, Esq. toll-free at 866-767-3653 or email [email protected] or [email protected] for information on the class action.

No Class Has Been Certified. Until a class is certified, you are not represented by counsel unless you retain one. You may select counsel of your choice. You may also remain an absent class member and do nothing at this point. An investor�s ability to share in any potential future recovery is not dependent upon serving as lead plaintiff.

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Contacts

Laurence Rosen, Esq.

Phillip Kim, Esq.

The Rosen Law Firm, P.A.

275 Madison Avenue, 40th Floor

New York, NY 10016

Tel: (212) 686-1060

Toll Free: (866) 767-3653

Fax: (212) 202-3827

[email protected]
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[email protected]
www.rosenlegal.com