Celldex Therapeutics to Report Second Quarter 2012 Financial Results and Host Corporate 2012 Objectives Update Call

- Call scheduled for August 10, 2012 at 8:30 a.m. ET -

Celldex Therapeutics to Report Second Quarter 2012 Financial Results and Host Corporate 2012 Objectives Update Call

<0> Celldex Therapeutics, Inc.Anthony S. Marucci, 781-433-0771President and CEOorAvery W. Catlin, 781-433-0771Chief Financial OfficerorBMC CommunicationsBrad Miles, 646-513-3125 </0>

(NASDAQ: CLDX) will release second quarter 2012 financial results on Friday, August 10, 2012 before the U.S. financial markets open. Celldex executives will host a conference call at 8:30 a.m. ET on the same day to review the second quarter 2012 financial results and provide an update on anticipated research and development and business objectives for the remainder of 2012.

The conference call will be webcast live over the Internet and can be accessed by logging on to the Events Calendar under the "News & Events" section of the Celldex Therapeutics website at . The call can also be accessed by dialing 800-510-0178 (within the United States) or 617-614-3450 (outside the United States). The passcode for participants is 67901994.

A replay of the call will be available approximately two hours after the live call concludes through August 24, 2012. To access the replay, dial 888-286-8010 (within the United States) or 617-801-6888 (outside the United States). The passcode is 83435012. The webcast will also be archived on the Company’s website.

Celldex Therapeutics is the first antibody-based combination immunotherapy company. Celldex has a pipeline of drug candidates in development for the treatment of cancer and other difficult-to-treat diseases based on its antibody focused Precision Targeted Immunotherapy (PTI) Platform. The PTI Platform is a complementary portfolio of monoclonal antibodies, antibody-targeted vaccines and immunomodulators used in optimal combinations to create novel disease-specific drug candidates. For more information, please visit .