HAYWARD, Calif., Jan. 25, 2013 /PRNewswire/ -- Anthera Pharmaceuticals, Inc. (Nasdaq: ANTH) today announced the pricing of an underwritten public offering of 60,606,061 shares of its common stock, offered at a price of $0.66 per share. The Company estimates that the gross proceeds from the offering, before deducting underwriting discounts and commissions and other estimated offering expenses payable by Anthera, will be $40.0 million. The offering is expected to close on or about January 30, 2013, subject to customary closing conditions. In addition, Anthera has granted the underwriters a 30-day option to purchase up to an additional 9,090,909 shares of common stock. The Company intends to use the net proceeds from the offering for general corporate purposes. Jefferies & Company, Inc. is acting as sole book-running manager in the offering and Leerink Swann LLC is acting as co-manager. Trout Capital LLC has acted as an advisor to the Company. The securities described above are being offered by the Company pursuant to a shelf registration statement previously filed with, and declared effective by, the Securities and Exchange Commission (the "SEC"). A final prospectus supplement and accompanying prospectus relating to the offering will be filed with the SEC and will be available on the SEC's website at http://www.sec.gov. Copies of the final prospectus supplement and the accompanying prospectus relating to this offering, when available, may be obtained from Jefferies & Company, Inc., Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, 12th Floor, New York, NY 10022, or by telephone at 877-547-6340, or by email at Prospectus_Department@Jefferies.com. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of, these securities in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such state or jurisdiction.