Altimmune Announces Pricing of a Public Offering of $115 Million of Common Stock and Pre-Funded Warrants

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GAITHERSBURG, Md., July 13, 2020 (GLOBE NEWSWIRE) -- Altimmune, Inc. (Nasdaq: ALT), a clinical-stage biopharmaceutical company, today announced the pricing of its previously announced underwritten public offering of 3,369,564 shares of its common stock and, to certain investors in lieu thereof, pre-funded warrants to purchase 1,630,436 shares of its common stock at an exercise price of $0.0001 per share. The public offering price of each share of common stock is $23.00 and the public offering price of each pre-funded warrant is $22.999 per underlying share. In addition, Altimmune has granted the underwriters a 30-day option to purchase up to an additional 750,000 shares of its common stock at the public offering price, less underwriting discounts and commissions. This offering is expected to close on or about July 16, 2020, subject to satisfaction of customary closing conditions.

Altimmune expects to receive gross proceeds of $115.0 million, before deducting underwriting discounts and offering expenses (without giving effect to any exercise of the underwriters’ option to purchase additional shares, if any). Altimmune anticipates using the net proceeds from the offering for general corporate purposes, which may include, but are not limited to, scale up of manufacturing and advanced clinical trials of AdCOVID, a single dose intranasal COVID-19 vaccine candidate; the continued development of ALT-801, its dual GLP-1/glucagon receptor agonist for the treatment of non-alcoholic steatohepatitis (NASH), including manufacturing and clinical trials; and for capital expenditures and working capital.

Jefferies, Evercore ISI and Piper Sandler are acting as joint book-running managers for the offering. Roth Capital Partners is acting as co-manager for the offering.

The securities described above are being offered by Altimmune pursuant to a shelf registration statement on Form S-3, including a base prospectus, that was previously filed with and became effective by rule of the Securities and Exchange Commission (SEC) on April 12, 2019. A preliminary prospectus supplement and accompanying prospectus related to the offering has been filed with the SEC and is available on the SEC’s website located at http://www.sec.gov. Copies of the final prospectus supplement and the accompanying prospectus relating to this offering, when available, may be obtained by contacting: Jefferies LLC, Attention: Equity Syndicate Prospectus Departments, 520 Madison Avenue, 2nd Floor, New York, NY 10022; by phone at (877) 821-7388; or by email at Prospectus_Department@Jefferies.com; Evercore Group L.L.C., Attention: Equity Capital Markets, 55 East 52nd Street, New York, NY 10055, by telephone at (888) 474-0200 or by email at ecm.prospectus@evercore.com; or Piper Sandler & Co., 800 Nicollet Mall, J12S03, Minneapolis, MN, 55402, Attention: Prospectus Department, by telephone at (800) 747-3924 or by email at prospectus@psc.com.