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Castellum Announces Closing of $5.0 Million Public Offering of Common Stock and Warrants

VIENNA, Va., June 16, 2025 (GLOBE NEWSWIRE) -- Castellum, Inc. (the "Company" and "Castellum") (NYSE-American: CTM), a cybersecurity, electronic warfare, and software services company focused on the federal government, today announced the closing of its previously announced public offering of 4,166,667 Units at a public offering price of $1.20 per Unit. Each unit consists of one share of common stock and one warrant to purchase one share of common stock. The warrants are immediately exercisable at $1.22 per share and will expire 60 days from the date of issuance. The shares of common stock and warrants are immediately separable and were issued separately.

Gross proceeds from the offering are approximately $5.0 million before deducting placement agent fees and offering expenses. Castellum intends to use the net proceeds of the offering for working capital and general corporate purposes.

Maxim Group LLC acted as the sole placement agent on a reasonable best-efforts basis for the offering.

A shelf registration statement on Form S-3 (File No. 333-284205) relating to the securities being offered was previously filed with the U.S. Securities and Exchange Commission (the "SEC") and became effective on January 24, 2025. The shares of common stock and shares underlying the warrants were offered only by means of a prospectus. A preliminary prospectus supplement and the accompanying prospectus relating to and describing the terms of the public offering have been filed with the SEC. A final prospectus supplement and an accompanying prospectus relating to the offering has been ...