Medarex to Host Business and Financial Update Conference Call on Thursday, April...

Medarex to Host Business and Financial Update Conference Call on Thursday,
April 30, 2009

PRINCETON, N.J., April 29 /PRNewswire-FirstCall/ -- Medarex, Inc. (Nasdaq:
MEDX) is scheduled to host a conference call and live webcast at 8:30 a.m.
Eastern Time on Thursday, April 30, 2009 to review Medarex's business updates
and financial results for the first quarter of 2009.

To access the call live, please dial 1-877-397-0272 (U.S./Canada) or
1-719-325-4882 (international). The webcast can be accessed through the
Investor Relations section of Medarex's website at www.medarex.com.

A telephonic replay of the conference call will be available until midnight
Eastern Time, May 14, 2009. Access numbers for this replay are
1-888-203-1112 (U.S./Canada) or 1-719-457-0820 (international); passcode
number 1477334.

About Medarex
Medarex is a biopharmaceutical company focused on the discovery, development
and potential commercialization of fully human antibody-based therapeutics to
treat life-threatening and debilitating diseases, including cancer,
inflammation, autoimmune disorders and infectious diseases. Medarex applies
its UltiMAb(R) technology and product development and clinical manufacturing
experience to generate, support and potentially commercialize a broad
range of fully human antibody product candidates for itself and its
partners. Over forty of these therapeutic product candidates derived from
Medarex technology are in human clinical testing or have had INDs submitted
for such trials, with the most advanced product candidates currently in Phase
3 clinical trials, the subject of regulatory applications for marketing
authorization or approved for commercial sale. Medarex is committed to
building value by developing a diverse pipeline of antibody products to
address the world's unmet healthcare needs. For more information about
Medarex, visit its website at www.medarex.com.

Medarex(R), the Medarex logo and UltiMAb(R) are registered trademarks of
Medarex, Inc. All rights are reserved.

SOURCE Medarex, Inc.

Christian S. Schade, Senior VP and CFO, +1-609-430-2880; Laura S. Choi,
Investor Relations, +1-609-430-2880, x2216; Nichol Ochsner, Corporate
Communications (media), +1-609-430-2880, x2214