Calidi Biotherapeutics Announces Closing of $6.9 Million Underwritten Public Offering and Full Exercise of Underwriters' Over-Allotment Option

SAN DIEGO, Aug. 21, 2025 (GLOBE NEWSWIRE) -- Calidi Biotherapeutics, Inc. (NYSE AMERICAN: CLDI) (“Calidi” or the “Company”), a clinical-stage biotechnology company pioneering the development of targeted therapies with the potential to deliver genetic medicines to distal sites of disease, today announced the closing of its previously announced underwritten public offering and the exercise in full of the underwriters’ over-allotment option for gross proceeds of $6.9 million, prior to deducting underwriting commissions and offering expenses. In connection with the offering, the Company sold (i) 1,922,764 common stock units with each unit consisting of one share of common stock and one Series I warrant to purchase one share of common stock (“Common Stock Unit”) and (ii) 1,528,000 pre-funded warrant units consisting of one pre-funded warrant to purchase one share of common stock and one Series I warrant to purchase one share of common stock (“Pre-Funded Unit”). The common stock units include 450,000 units that the underwriters elected to purchase pursuant to the over-allotment option. The price per Common Stock Unit is $2.00 and the price per Pre-Funded Unit is $1.999. The Series I warrant has an exercise price of $2.00 per share, is exercisable upon issuance, and has a term expiring five years from issuance. The warrants issued in this offering are fixed priced and do not contain any variable price features. Ladenburg Thalmann & Co. Inc. acted as sole book-running manager for the offering. Laidlaw & Company (U.K.) Ltd. acted as a co-manager for the offering. The securities described above were offered pursuant to a registration statement on Form S-1 (File No. 333-289670), which was declared effective by the United States Securities and Exchange Commission (“SEC”) on August 20, 2025. A final prospectus was filed with the SEC on August 21, 2025, and is available on the SEC’s website at http://www.sec.gov. Electronic copies of the final prospectus may also be obtained by contacting Ladenburg Thalmann & Co. Inc., Prospectus Department, 640 Fifth Avenue, 4th Floor, New York, New York 10019 or by email at prospectus@ladenburg.com. This press release does not constitute an offer to sell or the solicitation of an offer to buy, nor will there be any sales of these securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. About Calidi Biotherapeutics Calidi Biotherapeutics (NYSE American: CLDI) is a clinical-stage immuno-oncology company pioneering the development of targeted therapies with the potential to deliver genetic medicines to distal sites of disease. The company's proprietary Redtail platform features an engineered enveloped oncolytic virus designed for systemic delivery and targeting of metastatic sites. This advanced enveloped technology is intended to shield the virus from immune clearance, allowing virotherapy to effectively reach tumor sites, induce tumor lysis, and deliver potent gene therapies to metastatic locations. The lead candidate from the Redtail platform, currently in IND-enabling studies, targets non-small cell lung cancer, ovarian cancer, and other tumor types with high unmet medical need. Additionally, Calidi is developing protected virotherapies, in clinical-stage, for intratumoral and localized administration, focusing on a subset of injectable cancer indications. Calidi Biotherapeutics is headquartered in San Diego, California. For more information, please visit www.calidibio.com. Forward-Looking Statements This press release may contain forward-looking statements for purposes of the “safe harbor” provisions under the United States Private Securities Litigation Reform Act of 1995. Terms such as “anticipates,” “believe,” “continue,” “could,” “estimate,” “expect,” “intends,” “may,” “might,” “plan,” “possible,” “potential,” “predicts,” “project,” “should,” “towards,” “would” as well as similar terms, are forward-looking in nature, but the absence of these words does not mean that a statement is not forward-looking. These forward-looking statements include, but are not limited to, statements concerning key milestones, including certain pre-clinical data, planned clinical trials, and statements relating to the safety and efficacy of Calidi’s therapeutic candidates in development. Any forward-looking statements contained in this discussion are based on Calidi’s current expectations and beliefs concerning future developments and their potential effects and are subject to multiple risks and uncertainties that could cause actual results to differ materially and adversely from those set forth or implied in such forward-looking statements. These risks and uncertainties include, but are not limited to, the risk that Calidi is not able to raise sufficient capital to support its current and anticipated clinical trials, the risk that early results of clinical trials do not necessarily predict final results and that one or more of the clinical outcomes may materially change following more comprehensive review of the data, and as more patient data becomes available, the risk that Calidi may not receive FDA approval for some or all of its therapeutic candidates. Other risks and uncertainties are set forth in the section entitled “Risk Factors” and “Cautionary Note Regarding Forward-Looking Statements” in the Company’s annual report filed with the SEC on Form 10-K on March 31, 2025, as may be amended or supplemented by other reports we file with the SEC from time to time. For Investors: Dave Gentry, CEORedChip Companies, Inc.1-407-644-4256CLDI@redchip.com

Calidi Biotherapeutics Announces Closing of $6.9 Million Underwritten Public Offering and Full Exercise of Underwriters' Over-Allotment Option

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