Immunome Announces Proposed Public Offering of Common Stock

Immunome, Inc. (“Immunome”) (Nasdaq: IMNM), a biotechnology company dedicated to developing first-in-class and best-in-class targeted cancer therapies, today announced its plans to commence an underwritten public offering, subject to market and other conditions, to issue and sell $200.0 million of shares of its common stock. All of the shares are being offered by Immunome. In connection with the proposed offering, Immunome expects to grant the underwriters a 30-day option to purchase up to an additional 15% of the shares of its common stock sold in the public offering. There can be no assurance as to whether or when the proposed offering may be completed or as to the actual size or terms of the proposed offering.

J.P. Morgan, TD Cowen, Leerink Partners and Guggenheim Securities are acting as joint book-running managers for the proposed offering. Wedbush PacGrow is acting as lead manager for the proposed offering.

The proposed offering is being made pursuant to a shelf registration statement on Form S-3 that was filed with the U.S. Securities and Exchange Commission (the "SEC") on February 13, 2024 and automatically became effective upon filing. A preliminary prospectus supplement and accompanying prospectus relating to the proposed offering will be filed with the SEC and will be available for free on the SEC’s website located at http://www.sec.gov. Copies of the preliminary prospectus supplement and the accompanying prospectus relating to the proposed offering may be obtained, when available from: J.P. Morgan Securities LLC, Attention: Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, or by telephone at [phone], or by email at [e-mail]; Cowen and Company, LLC, 599 Lexington Avenue, New York, NY 10022, by email at [e-mail] or by telephone at [phone]; Leerink Partners LLC, Syndicate Department, 53 State Street, 40th Floor, Boston, MA 02109, or by telephone at [phone] ext. 6105, or by email at [e-mail]; or Guggenheim Securities, LLC Attention: Equity Syndicate Department, 330 Madison Avenue, New York, NY 10017 or by telephone at [phone], or by email at [e-mail].