TG Therapeutics, Inc. Announces Pricing of Public Offering of Common Stock Of 5.7 Million Shares At $6.15 per Share

TG Therapeutics, Inc. TGTX, an innovative, clinical-stage biopharmaceutical company focused on the acquisition, development and commercialization of medically important pharmaceutical products for the treatment of cancer and other underserved therapeutic needs, today announced the pricing of an underwritten public offering of 5,700,000 shares of its common stock at a price of $6.15 per share. The company has also granted to the underwriters a 30-day option to acquire an additional 855,000 shares to cover overallotments in connection with the offering. After the underwriting discount and estimated offering expenses payable by the company, the company expects to receive net proceeds of approximately $32.5 million, assuming no exercise of the overallotment option. The offering is expected to close on July 23, 2013, subject to customary closing conditions. TG Therapeutics intends to use the net proceeds from the public offering to fund the clinical development of TG-1101 and TGR-1202 and other general corporate purposes. Roth Capital Partners, LLC, Ladenburg Thalmann & Co. Inc., and Brean Capital, LLC, are acting as joint book-running managers in the offering. National Securities Corporation is acting as co-manager in the offering. The shares described above are being offered by TG Therapeutics pursuant to a registration statement previously filed with and subsequently declared effective by the Securities and Exchange Commission ("SEC"). A preliminary prospectus relating to the offering has also been filed with the SEC and is available on the SEC's website at http://www.sec.gov. Copies of the preliminary prospectus supplement and accompanying base prospectus relating to this offering may also be obtained from Roth Capital Partners, LLC, 888 San Clemente, Newport Beach, CA 92660, (800) 678-9147. This press release shall not constitute an offer to sell or the solicitation of an offer to buy any of the securities described herein, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. ABOUT TG THERAPEUTICS, INC. TG Therapeutics is an innovative, clinical-stage biopharmaceutical company focused on the acquisition, development and commercialization of medically important pharmaceutical products for the treatment of cancer and other underserved therapeutic needs. Currently, the company is developing two therapies targeting hematological malignancies. TG-1101 (ublituximab) is a novel, third generation monoclonal antibody that targets a specific and unique epitope on the CD20 antigen found on mature B-lymphocytes. TG Therapeutics is also developing TGR-1202, an orally available PI3K delta inhibitor. The delta isoform of PI3K is strongly expressed in cells of hematopoietic origin and is believed to be important in the proliferation and survival of B‐lymphocytes. Both TG-1101 and TGR-1202 are in clinical development for patients with hematologic malignancies. TG Therapeutics is headquartered in New York City.