Celldex Therapeutics, Inc. Added to Nasdaq Biotechnology Index

NEEDHAM, Mass.--(BUSINESS WIRE)--Celldex Therapeutics, Inc. (NASDAQ: CLDX) today announced that the Company will be added to the NASDAQ Biotechnology Index® (NBI), effective prior to market open on Monday, May 21, 2012. The NBI includes biotechnology or pharmaceutical companies listed exclusively on the NASDAQ Global Select Market or on the NASDAQ Global Market that meet predetermined eligibility requirements, including a minimum market capitalization of $200 million and an average daily trading volume of at least 100,000 shares, amongst other criteria.