Northwest Biotherapeutics (OTCQB: NWBO) (NW Bio), a biotechnology company developing DCVax® personalized immune therapies for solid tumor cancers, today announced that it has entered into definitive agreements with institutional investors for a registered direct offering with gross proceeds of $1.75 million.

In the transaction, the Company will sell approximately 8.75 million shares of common stock at a purchase price of $0.20 per share. Additionally, the investors will receive five year warrants to purchase up to approximately 4.375 million shares of common stock with an exercise price of $0.22 per share.

Rodman & Renshaw, a unit of H.C. Wainwright & Co., acted as the exclusive placement agent for the transaction. The placement is expected to close on or about September 22, 2017, subject to satisfaction of customary closing conditions.

The securities described above are being offered pursuant to a shelf registration statement (File No. 333-213777), which was declared effective by the United States Securities and Exchange Commission ("SEC") on October 18, 2016. 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. When filed with the SEC, copies of the prospectus supplement and the accompanying base prospectus relating to this offering may be obtained at the SEC's website at http://www.sec.gov or by request at H.C. Wainwright & Co. at placements@hcwco.com.

About Northwest Biotherapeutics

Northwest Biotherapeutics is a biotechnology company focused on developing personalized immunotherapy products designed to treat cancers more effectively than current treatments, without toxicities of the kind associated with chemotherapies, and on a cost-effective basis, in both the North America and Europe. The Company has a broad platform technology for DCVax® dendritic cell-based vaccines. The Company's lead program is a 331-patient Phase III trial in newly diagnosed Glioblastoma multiforme (GBM), which has completed its enrollment. GBM is the most aggressive and lethal form of brain cancer, and is an "orphan disease." The Company is also pursuing a Phase I/II trial with DCVax-Direct for diverse inoperable solid tumor cancers. It has completed the 40-patient Phase I portion of the trial, and is preparing for the Phase II portion. The Company previously conducted a Phase I trial with DCVax-L for ovarian cancer.