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The undersigned officers of Celldex Therapeutics, Inc. (the "Company") hereby certify to our knowledge that the Company's annual report on Form 10-K to which this certification is attached (the "Report"), as filed with the Securities and Exchange Commission on the date hereof, fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
Date: March 12, 2010 | By: | /s/ ANTHONY S. MARUCCI |
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Name: | Anthony S. Marucci | |||||
Title: | President and Chief Executive Officer | |||||
Date: March 12, 2010 |
By: |
/s/ AVERY W. CATLIN |
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Name: | Avery W. Catlin | |||||
Title: | Senior Vice President and Chief Financial Officer |
This certification shall be not be deemed "filed" for any purpose, nor shall it be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Exchange Act.