TXNM Energy Announces Public Offering of Common Stock

ALBUQUERQUE, N.M., Aug. 31, 2026 /PRNewswire/ -- TXNM Energy, Inc. ("TXNM Energy") (NYSE: TXNM) announced today the commencement of an underwritten public offering of $400.0 million of shares of its common stock, no par value. All of the shares are being offered by TXNM Energy. The proposed offering is subject to market and other conditions, and 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 offering.

TXNM Energy intends to use the net proceeds to repay borrowings under its $400 million term loan agreement. Wells Fargo Securities is acting as the sole book-running manager for this offering.

The public offering is being made pursuant to an effective shelf registration statement on Form S-3 (File No. 333-285426) that has been filed with the Securities and Exchange Commission, or SEC. A preliminary prospectus supplement related to the offering has been filed with the SEC and is available on the SEC's website at http://www.sec.gov. In addition, to obtain a copy of the prospectus supplement and related base prospectus for this offering, please contact Wells Fargo Securities, 90 South 7th Street, 5th Floor, Minneapolis, MN 55402, at 800-645-3751 (option #5) or email a request to [email protected].

This press release does not constitute an offer to sell or the solicitation of an offer to buy any securities in any jurisdiction to any person to whom it is unlawful to make an offer, solicitation or sale in such jurisdiction. The offering of these securities will be made only by means of a prospectus and a related prospectus supplement meeting the requirements of Section 10 of the Securities Act of 1933, as amended.

Background:

TXNM Energy (NYSE: TXNM), an energy holding company based in Albuquerque, New Mexico, delivers energy to more than 800,000 homes and businesses across Texas and New Mexico through its regulated utilities, TNMP and PNM. For more information, visit the company's website at www.TXNMEnergy.com.

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Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995:

Certain statements contained in this press release are "forward-looking statements" under federal securities laws. These statements are based upon management's current expectations and are subject to risks and uncertainties that could cause actual results to differ materially from those contemplated in the forward-looking statements. Readers are cautioned not to place undue reliance on these statements. Forward-looking statements include, among other things, statements concerning the anticipated terms of the common stock being offered, the completion, timing and size of the offering and the intended use of proceeds.

Factors that could cause actual results to differ materially from those contemplated in any forward-looking statements include, but are not limited to: market conditions, including market interest rates; the trading price and volatility of TXNM Energy's common stock; and risks relating to TXNM Energy's business, including those described under the headings "Disclosure Regarding Forward Looking Statements" and "Risk Factors" in the company's Annual Report on Form 10-K for the year ended December 31, 2025, and in subsequent reports filed with the SEC. For a discussion of risk factors and other important factors affecting forward-looking statements, please see the company's Form 10-K, Form 10-Q filings and the information included in the company's Forms 8-K with the SEC, which factors are specifically incorporated by reference herein. There can be no assurance that the planned offering of common stock will be completed on the anticipated terms, or at all. Except as may be required by law, TXNM Energy expressly disclaims any obligation to update any forward-looking information.

SOURCE TXNM Energy, Inc.