17,500,000 Shares LEXICON PHARMACEUTICALS, INC. COMMON STOCK, PAR VALUE $0.001 PER SHARE UNDERWRITING AGREEMENTUnderwriting Agreement • October 19th, 2012 • Lexicon Pharmaceuticals, Inc./De • Pharmaceutical preparations • New York
Contract Type FiledOctober 19th, 2012 Company Industry JurisdictionThe undersigned understands that J.P. Morgan Securities LLC (“J.P. Morgan”) and Jefferies & Company, Inc. (“Jefferies”) propose to enter into an Underwriting Agreement (the “Underwriting Agreement”) with Lexicon Pharmaceuticals, Inc., a Delaware corporation (the “Company”), providing for the public offering (the “Public Offering”) by the several Underwriters, including J.P. Morgan and Jefferies (the “Underwriters”), of shares (the “Shares”) of the common stock, par value $0.001 per share, of the Company (the “Common Stock”).