 NantKwest, Inc. Nasdaq: NK, a clinical-stage, natural killer cell-based therapeutics company, today announced that it intends to offer and sell, subject to market and other conditions, shares of its common stock in an underwritten public offering. In addition, NantKwest expects to grant the underwriters a 30-day option to purchase up to an additional 15 of the shares of common stock offered in the offering. NantKwest intends to use the net proceeds of the offering for clinical development, manufacturing, upgrades to its facilities and equipment, and other working capital, capital expenditures and for general corporate purposes. All of the shares are being offered by NantKwest. There can be no assurance as to whether or when the offering may be completed, or the actual size or terms of the offering. 