Reg FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 21, 2023 (September 21, 2023) Name of Registrant , State of Incorporation , Address Of Principal Executive Offices , Telephone Number , Commission File No. , IRS Employer Identification No. PNM Resources, Inc. (A New Mexico Corporation) 414 Silver Ave. SW Albuquerque , New Mexico 87102-3289 Telephone Number - ( 505 ) 241-2700 Commission File No. - 001-32462 IRS Employer Identification No. - 85-0468296 Public Service Company of New Mexico (A New Mexico Corporation) 414 Silver Ave. SW Albuquerque , New Mexico 87102-3289 Telephone Number - ( 505 ) 241-2700 Commission File No. - 001-06986 IRS Employer Identification No. - 85-0019030 ____________________________________________________________________________________________________________ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 40.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4 (c) under the Exchange Act (17 CFR 40.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Registrant Title of each class Trading Symbol(s) Name of exchange on which registered PNM Resources, Inc. Common Stock, no par value PNM New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Item 7.01 Regulation FD Disclosure. On September 21, 2023, the New Mexico Public Regulation Commission (the “NMPRC”) approved the unanimous settlement agreement reached by Public Service Company of New Mexico (“PNM”) and all the parties in the case resolving all of the remaining steps involved in the San Juan Generating Station retirement under the Energy Transition Act. Under the terms of the unanimous settlement, PNM will provide $115.0 million in rate credits to customers over a one-year period. In addition, customers will be protected from rising interest rates if the weighted-average rate on the securitization bonds exceeds 5.5%. A copy of the press release discussing the unanimous settlement is furnished as Exhibit 99.1 to this Current Report on Form 8-K. In accordance with General Instruction B.2 of Form 8-K, the information in this Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific references in such a filing. Item 9.01 Financial Statements and Exhibits. (d)    Exhibits. 99.1     Press Release issued by PNM Resources, Inc. on September 21 , 2023 (furnished not filed) . 104    Cover Page Interactive Data File (embedded within the Inline XBRL document). SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. PNM RESOURCES, INC. (Registrant) Date: September 21, 2023 /s/ Henry E. Monroy Henry E. Monroy Vice President and Corporate Controller (Officer duly authorized to sign this report) Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. PUBLIC SERVICE COMPANY OF NEW MEXICO (Registrant) Date: September 21, 2023 /s/ Henry E. Monroy Henry E. Monroy Vice President, Regulatory and Corporate Controller (Officer duly authorized to sign this report)