Soligenix, Inc. (Nasdaq: SNGX), a late-stage biopharmaceutical company focused on developing and commercializing products to treat rare diseases where there is an unmet medical need, announced that it has entered into definitive agreements with investors for the purchase and sale of 1,575,500 shares of common stock at a price of $2.00 per share in a registered direct offering and 982,000 shares of common stock at a purchase price of $2.00 per share in a concurrent private placement. The gross proceeds of the offering will be approximately $5,115,000 before deducting placement agent discounts and other estimated offering expenses. The Company intends to use the net proceeds for working capital and other general corporate purposes. The closing of the registered direct offering and the concurrent private placement is expected to take place on or about November 2, 2017, subject to the satisfaction of customary closing conditions.

Lead investors in the financing include Knoll Capital Management, LP and ACT Capital Management, LLLP.

Aegis Capital Corp. is acting as the sole placement agent for the registered direct offering and concurrent private placement.

About Soligenix, Inc.

Soligenix is a late-stage biopharmaceutical company focused on developing and commercializing products to treat rare diseases where there is an unmet medical need. Our BioTherapeutics business segment is developing SGX301 as a novel photodynamic therapy utilizing safe visible light for the treatment of cutaneous T-cell lymphoma, our first-in-class innate defense regulator (IDR) technology, dusquetide (SGX942) for the treatment of oral mucositis in head and neck cancer, and proprietary formulations of oral beclomethasone 17,21-dipropionate (BDP) for the prevention/treatment of gastrointestinal (GI) disorders characterized by severe inflammation including pediatric Crohn's disease (SGX203) and acute radiation enteritis (SGX201).