Antigenics to Report First Quarter Financial Results on April 29, 2010; Conference Call to Follow

LEXINGTON, Mass.--(Business Wire)--
Antigenics Inc. (NASDAQ: AGEN) will release its first quarter financial results
before the market opens on April 29, 2010.

Antigenics executives will host a conference call at 11:00 a.m. Eastern Time
that same day. To access the live call, dial 877.762.5772 (domestic) or
706.643.6986 (international); the access code is 69675455. The call will also be
webcast and will be accessible from the company`s website at
www.antigenics.com/webcast/. A replay will be available approximately two hours
after the call through midnight Eastern Time on October 29, 2010. The replay
number is 800.642.1687 (domestic) or 706.645.9291 (international), and the
access code is 69675455. The replay will also be available on the company`s
website approximately two hours after the live call.

Antigenics is a biotechnology company developing treatments for cancers and
infectious diseases. For more information, please visit www.antigenics.com.

Antigenics Inc.
Media:
Brad Miles, 212-477-9007 x17
or
Investors:
Shalini Sharp, 800-962-2436

Copyright Business Wire 2010