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News Release

FOR IMMEDIATE RELEASE
December 24, 2009

Submission of the New Drug Application for Pancreatic Enzyme Replacement Therapy Agent SA-001 in Japan

Solvay Seiyaku K.K.
Eisai Co., Ltd.

A New Drug Application for the pancreatic enzyme replacement therapy agent for pancreatic exocrine insufficiency, SA-001 (API name: Pancrelipase) that Solvay Seiyaku K. K. (Japanese entity of Solvay Pharmaceuticals, Head Office: Tokyo, President: Koji Ohiwa, hereinafter referred to as Solvay Seiyaku) co-developed with Eisai Co., Ltd. (Headquarters: Tokyo, President and CEO: Haruo Naito, hereinafter referred to as Eisai) was submitted by Solvay Seiyaku on December 22, 2009 in Japan.

The agent is a high performance, acid resistant enteric-coated pancreatic enzyme obtained by formulating highly purified pancrelipase with a proprietary technology. It is marketed as Creon®/ Kreon® in 75 countries outside Japan including the United States, the United Kingdom and Germany. Creon®/ Kreon® is the global market leader in pancreatic enzyme replacement therapy for pancreatic exocrine insufficiency due to cystic fibrosis, chronic pancreatitis, and pancreatectomy and other conditions. After obtaining its manufacturing and marketing authorization for the agent, distribution in Japan will be conducted by Eisai. Solvay Seiyaku retains co-promotion rights with Eisai.

The agent significantly improved the difference of fat absorption ratio calculated from fat intake and discharged fat in stool before and after administration in its double blind placebo controlled clinical study in patients with pancreatic exocrine insufficiency due to chronic pancreatitis or pancreatectomy conducted in Japan. Furthermore, the agent showed significant improvements of the nutrition evaluation scale in its long term study. Also, the agent showed important improvements of fat absorption ratio and nutrition evaluation scale in a clinical study in patients with pancreatic exocrine insufficiency caused by cystic fibrosis.

Solvay Seiyaku is a Japanese entity of Solvay Pharmaceuticals, which is the pharmaceutical sector of the chemical and pharmaceutical global company, Solvay Group. It is a development-driven pharmaceutical company that seeks to fulfill carefully selected, unmet needs in the therapeutic areas of neuroscience, cardio-metabolic, and gastroenterology.
With the proton pump inhibitor Pariet® and gastritis/gastric-ulcer treatment Selbex® amongst its main products in Japan, Eisai considers gastroenterology as an area of therapeutic focus. It aims to enhance this area even further through the addition of SA-001 to its product portfolio.

Solvay Seiyaku and Eisai work in tandem to bring SA-001 as a new treatment option to contribute to the treatment of patients with pancreatic exocrine insufficiency and to improving their quality of life.

[ Please see the following notes for information on Solvay ]

Contacts:
Solvay Seiyaku K.K.
Medical Marketing Division
Tel: +81-(0)3-5814-0838
(Ms. Imai & Mr. Tsuji)
Eisai Co., Ltd.
Public Relations Department
Tel: +81-(0)3-3817-5120


< Notes to Editors >

About Solvay

SOLVAY PHARMACEUTICALS is a research driven group of companies that constitutes the global pharmaceutical business of the Solvay Group. These companies seek to fulfill carefully selected, unmet medical needs in the therapeutic areas of neuroscience, cardiometabolic, influenza vaccines, gastroenterology and men’s and women’s health. Its 2008 sales were EUR 2.7 billion, and it employs more than 9,000 people worldwide. For more information, visit www.solvaypharmaceuticals.com.

SOLVAY is an international chemical and pharmaceutical Group with headquarters in Brussels. It employs more than 29,000 people in 50 countries. In 2008, its consolidated sales amounted to EUR 9.5 billion, generated by its three sectors of activity: Chemicals, Plastics and Pharmaceuticals. Solvay is listed on the NYSE Euronext stock exchange in Brussels (NYSE Euronext: SOLB.BE - Bloomberg: SOLB.BB - Reuters: SOLBt.BR). Details are available at www.solvay.com.