Merial acquires Merck manufacturing facility in Barceloneta, Puerto Rico

Paris, France - December 4, 2014 - Sanofi today announced that Merial, its animal health company, is acquiring the Merck manufacturing facility in Barceloneta, Puerto Rico. The proposed transaction requires approval from the United States Federal Trade Commission.

If approved, the acquisition will allow Merial to expand its global manufacturing operations and make use of the site's expertise in chewables' manufacturing technology. As part of the agreement, Merial will retain the approximately 200 Merck Barceloneta employees currently employed at this formulation and packaging site.

"The Barceloneta manufacturing operation aligns well with Sanofi and Merial's global business and manufacturing strategies," said Merial CEO and Sanofi EVP Carsten Hellmann. "This addition to Merial's global manufacturing network, which spans nine countries, enables Merial to further extend its global production capabilities to deliver high-quality and innovative medicines that enhance the health and well-being of animals. We look forward to assuming responsibility for this global production site and welcoming its experienced employees to Merial."

The formulation and packaging operations of the site were put up for sale by Merck. The Barceloneta production facility has been involved in and will maintain responsibility for manufacturing and packaging Merial's industry-leading Heartgard® and Heartgard® Plus products.

About Heartgard and Heartgard Plus
Heartgard and Heartgard Plus are products used to help prevent heartworm disease in dogs and cats. If not treated, this disease can be fatal. Heartgard is one of the top 5 best-selling animal health products of all time. Heartgard Plus, which is also used to treat and control roundworms and hookworms in dogs, today is the number 1 choice for heartworm prevention in dogs by U.S. veterinarians.

About Merial
Merial is a world-leading, innovation-driven animal health company, providing a comprehensive range of products to enhance the health, well-being and performance of a wide range of animals. Merial employs around 6,200 people and operates in more than 150 countries worldwide with more than to €2 billion of sales. Merial is a Sanofi company.

About Sanofi
Sanofi, a global healthcare leader, discovers, develops and distributes therapeutic solutions focused on patients' needs. Sanofi has core strengths in the field of healthcare with seven growth platforms: diabetes solutions, human vaccines, innovative drugs, consumer healthcare, emerging markets, animal health and the new Genzyme. Sanofi is listed in Paris (EURONEXT: SAN) and in New York (NYSE: SNY).

Sanofi Forward-Looking Statements
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