VBI Vaccines Inc. (Nasdaq: VBIV), a commercial-stage biopharmaceutical company developing next-generation infectious disease and immuno-oncology vaccines, today announced that it has commenced an underwritten public offering of its common shares. VBI also intends to grant the underwriters a 30-day option to purchase up to an additional 15% of the number of common shares offered in the public offering. The offering is subject to market and other conditions and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering.

Raymond James & Associates, Inc. and Oppenheimer & Co. Inc. are acting as joint book-running managers, and National Securities Corporation, a wholly owned subsidiary of National Holdings, Inc. (NASDAQ: NHLD), is acting as lead manager for the underwritten public offering.

VBI intends to use the net proceeds from the offering to progress its pipeline programs including the completion of the global CONSTANT Phase 3 lot-to-lot consistency study, regulatory submissions, and pre-commercialization activities for Sci-B-Vac®, a trivalent hepatitis B vaccine, and for the continued clinical development of VBI-1901, a vaccine immunotherapeutic candidate for recurrent glioblastoma (GBM); VBI-2601, an immunotherapeutic candidate for chronic hepatitis B infection; and VBI-1501, a cytomegalovirus (CMV) vaccine candidate. The net proceeds will also be used for general corporate purposes, including working capital and capital expenditures.