VBI Vaccines Inc. (NASDAQ: VBIV) (“VBI”), a commercial-stage biopharmaceutical company developing next-generation infectious disease and immuno-oncology vaccines, today announced the closing of its previously announced underwritten public offering of 26,800,000 common shares at a public offering price of US$1.40 per share, and the partial exercise by the underwriters of their option to purchase an additional 4,020,000 common shares, with 3,865,304 additional common shares purchased at US$1.40 per share. As a result, the company has issued a total of 30,665,304 common shares in the offering and has received aggregate gross proceeds, before deducting the underwriting discounts and commissions and estimated offering expenses, of approximately US$42.9 million.

Immediately following the closing of the underwritten public offering, the number of outstanding common shares of the company is 97,343,777.

BMO Capital Markets, Canaccord Genuity LLC, and Oppenheimer & Co. Inc. acted as joint book-runners for the underwritten public offering. National Securities Corporation acted as a financial advisor to VBI in connection with the offering.

VBI intends to use the net proceeds from the offering to progress its research and development programs, which include, among other things, funding the continued clinical development of Sci-B-Vac®, including the ongoing Phase 3 clinical program in the United States, Europe and Canada; the Phase 1/2a clinical study of the therapeutic vaccine candidate, VBI-1901, for glioblastoma (GBM); the prophylactic vaccine candidate, VBI-1501, for cytomegalovirus (CMV); and the immuno-therapeutic candidate, VBI-2601, for hepatitis B. The net proceeds will also be used for general corporate purposes, including working capital and capital expenditures.

A shelf registration statement relating to the common shares was previously filed with the Securities and Exchange Commission (the “SEC”) and declared effective on June 8, 2017. A preliminary prospectus supplement and accompanying prospectus relating to the underwritten public offering was filed with the SEC on December 12, 2018. A final prospectus supplement and accompanying prospectus relating to the offering was filed with the SEC on December 17, 2018, and is available on the SEC’s website at www.sec.gov. Copies of the final prospectus supplement and accompanying prospectus may be obtained from BMO Capital Markets Corp., Attention: Equity Syndicate Department, 3 Times Square, 25th Floor, New York, NY 10036 or by e-mail at bmoprospectus@bmo.com, or from Canaccord Genuity LLC, Attention: Equity Syndicate Department 99 High Street, 12th Floor, Boston, MA 02110 or by e-mail at prospectus@canaccordgenuity.com, or from Oppenheimer & Co. Inc., Attention: Syndicate Prospectus Department, 85 Broad Street, 26th Floor, New York, NY 10004 or by e-mail at equityprospectus@opco.com.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy these securities, nor shall there be any sale of these securities in any state or other 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 other jurisdiction. Any offer, if at all, will be made only by means of the prospectus supplement and accompanying prospectus forming a part of the effective registration statement.