ImmunoGen Announces Webcasts of Presentations at Upcoming Virtual Conferences

• Piper Sandler 32^nd Annual Virtual Healthcare Conference
  November 23 at 10:00am ET

• Evercore ISI Annual HealthCONx Conference
  December 1 at 12:10pm ET

A webcast of each presentation will be accessible through the Investors and Media section of the Company's website, www.immunogen.com. Following the live webcast, a replay will be available at the same location.

ABOUT IMMUNOGEN

ImmunoGen is developing the next generation of antibody-drug conjugates to improve outcomes for cancer patients. By generating targeted therapies with enhanced anti-tumor activity and favorable tolerability profiles, we aim to disrupt the progression of cancer and offer our patients more good days. We call this our commitment to “target a better now.”

Learn more about who we are, what we do, and how we do it at www.immunogen.com.

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