Sesen Bio to Present at the Jefferies Virtual Healthcare Conference

Sesen Bio (Nasdaq: SESN), a late-stage clinical company developing targeted fusion protein therapeutics for the treatment of patients with cancer, today announced it will be featured as a presenting company at the Jefferies Virtual Healthcare Conference on Tuesday, June 2, 2020.

Event: Jefferies Virtual Healthcare Conference Date: June 2, 2020 Time: 8:30 - 8:55 AM ET

A live webcast of the Company’s presentation will be accessible from the Investors & Media section of Sesen Bio’s website, www.sesenbio.com. An archived replay of the webcast will be available on the Company's website for 90 days after the conference.

About Sesen Bio Sesen Bio, Inc. is a late-stage clinical company advancing targeted fusion protein therapeutics for the treatment of patients with cancer. The Company’s lead program, Vicinium, also known as VB4-845, is currently in the follow-up stage of a Phase 3 registration trial for the treatment of high-risk, BCG-unresponsive non-muscle invasive bladder cancer (NMIBC). In December 2019, the Company initiated the BLA submission for Vicinium to the FDA under Rolling Review. Vicinium is a locally administered targeted fusion protein composed of an anti-EpCAM antibody fragment tethered to a truncated form of Pseudomonas Exotoxin A for the treatment of high-risk NMIBC. For more information, please visit the company’s website at www.sesenbio.com.

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Erin Clark, Vice President, Corporate Strategy & Investor Relations [e-mail]