Cephalon Submits New Drug Application for TREANDA for the Treatment of Patients with Relapsed Indolent Non-Hodgkin'...(rmal cell division). The contribution of...)

The protocol for the TREANDA NHL pivotal trial received special protocol assessment (SPA) approval from the FDA in February 2006. The SPA process allows for FDA evaluation and acceptance of a clinical trial protocol, including trial size, clinical endpoints and/or data analysis. In September 2007, Cephalon submitted an NDA requesting approval of TREANDA for the treatment of patients with chronic lymphocytic leukemia (CLL), for which the FDA has granted priority review and orphan drug status.

Cephalon holds exclusive rights to market and develop TREANDA in the United States. TREANDA is licensed from Astellas Pharma GmbH. Bendamustine HCl, the active ingredient in TREANDA, is marketed in Germany by Astellas' licensee, Mundipharma International Corporation Limited, under the trade name RIBOMUSTIN(R). In Germany, RIBOMUSTIN is indicated as a single-agent or in combination with other anti-cancer agents for indolent NHL, multiple myeloma, and CLL. SymBio Pharmaceuticals Ltd holds exclusive rights to develop and market bendamustine HCl in Japan and selected Asia Pacific Rim countries.

About Cephalon Oncology

Cephalon Oncology is a strategic business unit focused on the development and commercialization of oncology products and resources for patients and healthcare providers. The Cephalon Oncology portfolio includes a number of promising investigational and marketed compounds. In addition to TREANDA, the Cephalon Oncology therapeutic portfolio in the United States includes TRISENOX(R) (arsenic trioxide) injection, a product approved in the United States for the treatment of patients with relapsed or refractory acute promyelocytic leukemia, and CEP-701, an oral small molecule inhibitor of tyrosine kinases including FLT-3, TRK and JAK-2, in phase 3 development for acute myeloid leukemia.

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