Dr. Thomas Cannell, President and CEO of Sesen Bio, to Participate in Fireside Chat at the 2021 Jefferies Virtual Healthcare Conference

CAMBRIDGE, Mass.–(BUSINESS WIRE)–Sesen Bio (Nasdaq: SESN), a late-stage clinical company developing targeted fusion protein therapeutics for the treatment of patients with cancer, today announced that Sesen Bio President and CEO Dr. Thomas Cannell will participate in a fireside chat at the Jefferies Virtual Healthcare Conference on June 4, 2021.

Event: Jefferies Virtual Healthcare Conference

Date: June 4, 2021

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 60 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, Vicineum™, also known as oportuzumab monatox, is currently in the follow-up stage of a Phase 3 registration trial for the treatment of BCG-unresponsive non-muscle invasive bladder cancer (NMIBC). In February 2021, the FDA accepted for filing the Company’s BLA for Vicineum for the treatment of BCG-unresponsive NMIBC and granted the application Priority Review with a target PDUFA date of August 18, 2021. Sesen Bio retains worldwide rights to Vicineum with the exception of Greater China and the Middle East and North Africa (MENA), for which the Company has partnered with Qilu Pharmaceutical and Hikma Pharmaceuticals, respectively, for commercialization. Vicineum 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 BCG-unresponsive NMIBC. For more information, please visit the Company’s website at www.sesenbio.com.

Contacts

Erin Clark, Vice President, Corporate Strategy & Investor Relations

[email protected]