ImmunoGen, Inc. (Nasdaq: IMGN), a biotechnology company that develops novel anticancer therapeutics using its antibody-drug conjugate (ADC) technology, today announced that the Company will host a conference call at 8:00 a.m. ET on Friday, October 25, 2013, to discuss ImmunoGen's financial results for the three-month period ended September 30, 2013. Management also will provide an update on the Company. To access the live call by phone, dial 913-981-5507; the passcode is 2847961. The call also may be accessed through the Investor Information section of the Company's website, www.immunogen.com. Following the live webcast, a replay of the call will be available at the same location through November 8, 2013. About ImmunoGen, Inc. ImmunoGen, Inc. develops targeted anticancer therapeutics. The Company's ADC technology uses a tumor-targeting engineered antibody to deliver one of ImmunoGen's highly potent cancer-cell killing agents specifically to tumor cells. The most advanced compound with ImmunoGen’s ADC technology is Roche’s Kadcyla ®, which is marketed in the US by Genentech and is also gaining approvals internationally. ImmunoGen has four wholly owned clinical-stage product candidates, with additional compounds in the clinic through its partnerships with Amgen, Bayer HealthCare, Biotest and Sanofi. More information about the Company can be found at www.immunogen.com. Kadcyla ® is a registered trademark of Genentech, Inc., a member of the Roche Group.