7,600,000 SHARES REGENERON PHARMACEUTICALS, INC. COMMON STOCK, $0.001 PAR VALUE PER SHARE UNDERWRITING AGREEMENTRegeneron Pharmaceuticals Inc • November 16th, 2006 • Pharmaceutical preparations • New York
Company FiledNovember 16th, 2006 Industry JurisdictionREGENERON PHARMACEUTICALS, INC., a New York corporation (the “Company”), proposes to issue and sell to you (the “Underwriter”) the number of shares of its common stock, $0.001 par value per share, set forth in Schedule I hereto (the “Shares”). The shares of common stock, $0.001 par value per share, of the Company to be outstanding after giving effect to the sales contemplated hereby are hereinafter referred to as the “Common Stock.”