GenzymeGenzyme Corp. (NASDAQ: GENZ) reported today that discussions between its financial advisors and financial advisors for Sanofi-Aventis are continuing and have expanded to include representatives of both companies. These discussions have focused on potential terms for a negotiated transaction and have included the possible use of a contingent value right relating to alemtuzumab as part of any potential resolution of differences with respect to value.

Genzyme can provide no assurance that these discussions will continue or will result in a transaction. It also can provide no assurance of the terms that may be obtained in any such transaction.

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.