TXNM Energy Reports 2025 Results, Transaction and Regulatory Updates

REGULATORY UPDATE
On November 14, 2025, Texas New Mexico Power ("TNMP") filed a general rate proceeding with the PUCT requesting recovery of $2.8 billion of rate base as of June 30, 2025, a requested return on equity of 10.4%, and a 47.54% equity ratio. The TNMP base rate review also includes increases in operations and maintenance expenses that are not recovered through semi-annual Transmission Cost of Service ("TCOS") and Distribution Cost Recovery Factor ("DCRF") filings, excludes increases in interest expense resulting from refinancing of debt associated with the proposed Blackstone Infrastructure transaction, and requests recovery of $20.5 million associated with Hurricane Beryl restoration costs over a five-year period. If approved by the PUCT, the new rates are expected to become effective in mid-2026.

On December 29, 2025, Public Service Company of New Mexico ("PNM") filed an application with the NMPRC for approval of two economic development projects related to New Mexico Senate Bill 170 at an estimated cost of $165.5 million. Senate Bill 170 allows a utility to defer costs of economic development projects that serve sites certified by the New Mexico Economic Development Department.

On February 25, 2026, PNM filed an application with the NMPRC for approval of a Certificate of Convenience and Necessity for a new 345 kV transmission line, existing station expansions, and a new substation at an estimated cost of $247 million. This project aims to enhance reliability and resilience in the Albuquerque area, facilitate the integration of renewable energy, and support economic development.

In the fourth quarter of 2025, PNM initiated its 2026 Integrated Resource Plan ("IRP") process which will cover the 20-year planning period from 2026 through 2046. Consistent with historical practice, PNM is receiving public input from interested parties as part of this process. PNM expects to file its 2026 IRP with the NMPRC on or before September 1, 2026.

TNMP's second DCRF filing for 2025 was approved and implemented in the fourth quarter, providing recovery for $19 million of rate base.

SEGMENT REPORTING OF 2025 EARNINGS

• PNM – a vertically integrated electric utility in New Mexico with distribution, transmission and generation assets.
• TNMP – an electric transmission and distribution utility in Texas.
• Corporate and Other – reflects the TXNM Energy holding company and other subsidiaries.

Net changes to earnings in 2025 compared to 2024 include:

• PNM: Rate relief from the implementation of the first phase of the approved 2025 Rate Request, higher retail load and transmission revenues, and higher realized gains on investment securities were more than offset by lower weather-related usage, increased O&M, higher depreciation, property tax and interest expense associated with new capital investments and increased demand charges from energy storage agreements added in late 2024.
• TNMP: Rate recovery through the DCRF and TCOS rate mechanisms, revenues recorded under Texas House Bill 5247 and higher retail load were partially offset by higher depreciation, property tax and interest expense associated with new capital investments.
• Corporate and Other: Lower interest expense due to lower debt balances increased earnings.

GAAP and ongoing earnings per share were reduced in 2025 by shares issued as part of 2024 forward sales agreements of $150 million, as well as shares issued in June and August 2025 for proceeds of $800 million.

In addition, GAAP earnings in 2025 included $3.4 million of net unrealized losses on investment securities compared to $2.7 million of net unrealized gains in 2024. GAAP earnings in 2025 also included a $58.8 million pension settlement charge related to a previously disposed of gas distribution business and $43.1 million of costs related to the planned transaction. GAAP earnings in 2024 included $9.2 million of regulatory disallowances.

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.

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995
Statements made in this news release for TXNM Energy, PNM, or TNMP (collectively, the "Company") that relate to future events or expectations, projections, estimates, intentions, goals, targets, and strategies, including the unaudited financial results, earnings guidance, statements regarding the potential transaction between TXNM Energy and Blackstone Infrastructure, including any statements regarding the expected timetable for completing the potential transaction, the ability to complete the potential transaction and the expected benefits of the potential transaction, rate proceeding outcomes, anticipated benefits of the new transmission line project, and the expected timing of the IRP filing, are made pursuant to the Private Securities Litigation Reform Act of 1995. Readers are cautioned that all forward-looking statements are based upon current expectations and estimates and apply only as of the date of this report. TXNM, PNM, and TNMP assume no obligation to update this information. Because actual results may differ materially from those expressed or implied by these forward-looking statements, TXNM, PNM, and TNMP caution readers not to place undue reliance on these statements. TXNM's, PNM's, and TNMP's business, financial condition, cash flow, and operating results are influenced by many factors, which are often beyond their control, that can cause actual results to differ from those expressed or implied by the forward-looking statements. 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 Form 8-K's with the Securities and Exchange Commission, which factors are specifically incorporated by reference herein and the risks and uncertainties related to the proposed transaction with Blackstone Infrastructure, including, but not limited to: the expected timing and likelihood of completion of the pending transaction, including the timing, receipt and terms and conditions of any required governmental and regulatory approvals of the pending transaction that could reduce anticipated benefits or cause the parties to abandon the transaction, the occurrence of any event, change or other circumstances that could give rise to the termination of the transaction agreement, including in circumstances requiring TXNM Energy to pay a termination fee, the risk that the parties may not be able to satisfy the conditions to the proposed transaction in a timely manner or at all, the outcome of legal proceedings that may be instituted against TXNM Energy, its directors and others related to the proposed transaction, risks related to disruption of management time from ongoing business operations due to the proposed transaction, the risk that the proposed transaction and its announcement could have an adverse effect on the ability of TXNM Energy to retain and hire key personnel and maintain relationships with its customers and suppliers, and on its operating results and businesses generally, the amount of costs, fees, charges or expenses resulting from the proposed transaction, and the risk that the price of TXNM Energy's common stock may fluctuate during the pendency of the proposed transaction and may decline significantly if the proposed transaction is not completed. Other unpredictable or unknown factors not discussed in this communication could also have material adverse effects on forward-looking statements.

Non-GAAP Financial Measures
GAAP refers to generally accepted accounting principles in the U.S. Ongoing earnings is a non-GAAP financial measure that excludes the impact of net unrealized mark-to-market gains and losses on economic hedges, the net change in unrealized gains and losses on investment securities, pension expense related to previously disposed of gas distribution business, and certain non-recurring, infrequent, and other items that are not indicative of fundamental changes in the earnings capacity of the Company's operations. The Company uses ongoing earnings and ongoing earnings per diluted share to evaluate the operations of the Company and to establish goals, including those used for certain aspects of incentive compensation, for management and employees. While the Company believes these financial measures are appropriate and useful for investors, they are not measures presented in accordance with GAAP. The Company does not intend for these measures, or any piece of these measures, to represent any financial measure as defined by GAAP. Furthermore, the Company's calculations of these measures as presented may or may not be comparable to similarly titled measures used by other companies. The Company uses ongoing earnings guidance to provide investors with management's expectations of ongoing financial performance over the period presented. While the Company believes ongoing earnings guidance is an appropriate measure, it is not a measure presented in accordance with GAAP. The Company does not intend for ongoing earnings guidance to represent an expectation of net earnings as defined by GAAP. Since the future differences between GAAP and ongoing earnings are frequently outside the control of the Company, management is generally not able to estimate the impact of the reconciling items between forecasted GAAP net earnings and ongoing earnings guidance, nor their probable impact on GAAP net earnings without unreasonable effort, therefore, management is generally not able to provide a corresponding GAAP equivalent for ongoing earnings guidance. Reconciliations between GAAP and ongoing earnings are contained in schedules 1-4.               

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SOURCE TXNM Energy, Inc.