Celldex to Report Fourth Quarter and Fiscal 2014 Business/Financial Results and Host 2015 Corporate Strategy Conference Call

--Conference Call Scheduled for Tuesday, February 24 at 8:00 a.m. Eastern Time--

Celldex Therapeutics, Inc. (Nasdaq:CLDX) will release fourth quarter and year-end 2014 financial results on Tuesday, February 24, 2015 before the U.S. financial markets open. Celldex executives will host a conference call at 8:00 a.m. ET on the same day to discuss 2014 financial and business results and to provide an update on key 2015 objectives.

The conference call and presentation will be webcast live over the Internet and can be accessed by going to the "Events & Presentations" page under the "Investors & Media" section of the Celldex Therapeutics website at www.celldex.com. The call can also be accessed by dialing [phone] (within the United States) or [phone] (outside the United States). The passcode is 89115872.

A replay of the call will be available approximately two hours after the live call concludes through March 2, 2015. To access the replay, dial [phone] (within the United States) or [phone] (outside the United States). The passcode is 89115872. The webcast will also be archived on the Company's website.

About Celldex Therapeutics, Inc.

Celldex is developing targeted therapeutics to address devastating diseases for which available treatments are inadequate. Our pipeline is built from a proprietary portfolio of antibodies and immunomodulators used alone and in strategic combinations to create novel, disease-specific therapies that induce, enhance or suppress the body's immune response. Visit www.celldex.com.

CONTACT: Company Contact:
         Sarah Cavanaugh
         Vice President of Investor Relations &
         Corp Communications
         Celldex Therapeutics, Inc.
         [phone]
         [e-mail]