Immunome Announces Closing of Public Offering and Full Exercise of Underwriters’ Option to Purchase Additional Shares

Immunome, Inc. (“Immunome”) (Nasdaq: IMNM), a biotechnology company dedicated to developing first-in-class and best-in-class targeted cancer therapies, today announced the closing of its underwritten public offering of 10,000,000 shares of its common stock, including the exercise in full by the underwriters of their option to purchase an additional 1,500,000 shares, at a price to the public of $20.00 per share. The gross proceeds to Immunome from the offering, before deducting underwriting discounts and commissions and offering expenses, are $230.0 million. All of the shares in the offering were sold by Immunome.

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

The offering was 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 offering were filed with the SEC and are available for free on the SEC’s website located at http://www.sec.gov. A final prospectus supplement and accompanying prospectus relating to the offering were filed with the SEC and are available for free on the SEC’s website located at http://www.sec.gov. Copies of the final prospectus supplement and the accompanying prospectus relating to the offering may be obtained from: J.P. Morgan Securities LLC, Attention: Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, or by telephone at (866) 803-9204, or by email at prospectus-eq_fi@jpmchase.com; Cowen and Company, LLC, 599 Lexington Avenue, New York, NY 10022, by email at Prospectus_ECM@cowen.com or by telephone at (833) 297-2926; Leerink Partners LLC, Syndicate Department, 53 State Street, 40th Floor, Boston, MA 02109, or by telephone at (800) 808-7525 ext. 6105, or by email at syndicate@leerink.com; or Guggenheim Securities, LLC Attention: Equity Syndicate Department, 330 Madison Avenue, New York, NY 10017 or by telephone at (212) 518-9544, or by email at GSEquityProspectusDelivery@guggenheimpartners.com.

This press release shall not constitute an offer to sell or a solicitation of an offer to buy, 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.

About Immunome, Inc.

Immunome is a biotechnology company dedicated to developing first-in-class and best-in-class targeted cancer therapies. Our portfolio pursues each target with a modality appropriate to its biology, including ADCs, radioligand therapies, immunotherapies, and small molecules. We believe that pursuing underexplored targets with appropriate drug modalities leads to transformative therapies. Our proprietary memory B cell hybridoma technology allows for the rapid screening and functional characterization of novel antibodies and targets.

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