Achillion Pharmaceuticals Announces Proposed Public Offering of Common Stock; An Additional 9M Shares

Achillion Pharmaceuticals, Inc. ACHN announced today that it has commenced an underwritten public offering of an aggregate of 9,000,000 shares of its common stock. In connection with this offering, Achillion plans to grant the underwriters a 30-day option to purchase up to an additional 1,350,000 shares of its common stock to cover overallotments, if any. BofA Merrill Lynch and Leerink Swann LLC are acting as joint book-running managers for the offering. The offering is subject to market conditions, and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering.