Today, sanofi pasteur is present in 150 countries in North America (US, Canada and Mexico); Western Europe, in 19

countries; through Sanofi Pasteur MSD, a 50/50 joint venture between sanofi pasteur and Merck & Co.; throughout the

rest of the world, especially in Latin America and countries in Eastern Europe and the Middle East; as well as China and

Japan, which represent important markets for the company.