Horizon Pharma Announces Proposed Public Offering of Common Stock

Horizon Pharma, Inc. HZNP announced today that it intends to offer and sell, subject to market and other conditions, units in an underwritten public offering, with each unit consisting of one share of its common stock and a warrant to purchase 0.5 of a share of its common stock. Horizon also expects to grant the underwriters a 30-day option to purchase additional shares of its common stock and warrants to purchase shares of its common stock to cover overallotments, if any. All of the units in the offering are being offered by Horizon. Cowen and Company, LLC, JMP Securities LLC and Stifel Nicolaus Weisel are acting as joint book-running managers for the offering. The securities described above are being offered by Horizon pursuant to a shelf registration statement previously filed with and declared effective by the Securities and Exchange Commission (the "SEC"). A