Genzyme Successfully Meets First Milestones of FDA Consent Decree

Genzyme Successfully Meets First Milestones of FDA Consent Decree
All Filling and Finishing for U.S. Market Transferred Out of Allston Plant

CAMBRIDGE, Mass.--(BUSINESS WIRE)--Genzyme Corporation (NASDAQ: GENZ) announced today that the company has ended fill/finish operations within its Allston plant for products sold in the United States, as required by the FDA consent decree. All fill/finish activities for Cerezyme® (imiglucerase for injection), Myozyme® (alglucosidase alfa), Fabrazyme® (agalsidase beta) and Thyrogen® (thyrotropin alfa for injection) for the U.S. market now take place at Genzyme's Waterford, Ireland plant, and at an external contract manufacturer. With this move, all previous restrictions on the marketing and distribution of Thyrogen within the United States have been lifted.

All remaining fill/finish activities in Allston for products sold outside of the United States must be ended by August 31, 2011. Genzyme is working closely with regulatory authorities globally to achieve this goal.

About Genzyme

One of the world's leading biotechnology companies, Genzyme is dedicated to making a major positive impact on the lives of people with serious diseases. Since 1981, the company has grown from a small start-up to a diversified enterprise with approximately 10,000 employees in locations spanning the globe and 2009 revenues of $4.5 billion. In 2010, Genzyme was named to the Fortune 500.

With many established products and services helping patients in 100 countries, Genzyme is a leader in the effort to develop and apply the most advanced technologies in the life sciences. The company's products and services are focused on rare inherited disorders, kidney disease, orthopaedics, cancer, transplant, and immune disease. Genzyme's commitment to innovation continues today with a substantial development program focused on these fields, as well as cardiovascular disease, neurodegenerative diseases, and other areas of unmet medical need.

Important Information

Genzyme has filed with the Securities and Exchange Commission a Solicitation/Recommendation Statement on Schedule 14D-9 relating to the tender offer by Sanofi-Aventis. Genzyme shareholders are advised to read the company's Solicitation/Recommendation Statement on Schedule 14D-9 because it contains important information. Shareholders may obtain a free copy of the Solicitation/Recommendation Statement on Schedule 14D-9, as well as any other documents filed by Genzyme in connection with the tender offer, free of charge at the SEC's website at In addition, investors can obtain free copies of these documents from Genzyme by directing a request to Genzyme at 500 Kendall Street, Cambridge, MA 02142, Attention: Shareholder Relations Department, or by calling 617-252-7500 and asking for the Shareholder Relations Department.

Genzyme's press releases and other company information are available at and by calling Genzyme's investor information line at 1-800-905-4369 within the United States or 1-678-999-4572 outside the United States.

Genzyme®, Cerezyme®, Myozyme®, Fabrazyme® and Thyrogen® are registered trademarks of Genzyme Corporation. All rights reserved.