Antares Pharma, Inc. (NASDAQ: ATRS) today announced that it has priced a firm commitment underwritten public offering of 12,500,000 shares of the Company’s common stock at a purchase price to the public of $4.00 per share, resulting in net proceeds to the Company of $47 million (before estimated offering expenses payable by us). Jefferies & Company, Inc. and Oppenheimer and Co. Inc. are acting as joint book-running managers for the offering. Cowen and Company, LLC and Ladenburg Thalmann & Co. Inc. are acting as the co-managers of the offering. The offering is expected to close on or about October 8, 2012, subject to customary closing conditions. The Company has also granted the underwriters a 30-day option to purchase up to 1,875,000 additional shares of common stock. The securities described above are being offered by Antares pursuant to a “shelf” registration statement previously filed with and declared effective by the Securities and Exchange Commission (SEC) on July 21, 2010. A prospectus supplement and an accompanying prospectus will be filed with the SEC in connection with the offering. Once filed, the prospectus supplement and accompanying prospectus may be obtained by sending a request to Jefferies & Company, Inc., Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, 12 th Floor, New York, NY 10022, by telephone at 877-547-6340, or by email at Prospectus_Department@Jefferies.com or by sending a request to Oppenheimer & Co., Inc., Attention: Syndicate Prospectus Department, 85 Broad Street, 26th Floor New York, NY, 10004, by telephone at 212-667-8563, or by email at EquityProspectus@opco.com. Before you invest, you should read the prospectus supplement and accompanying prospectus, the registration statement, and the other documents that the Company has filed with the SEC for more complete information about the Company and this offering. Investors may obtain these documents for free by visiting the SEC’s website at www.sec.gov. This press release shall not constitute an offer to sell, or a solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.