Entry into a Material Definitive Agreement . On July 30, 2026, CenterPoint Energy, Inc. (the “Company”) entered into an Underwriting Agreement (the “Underwriting Agreement”) with Mizuho Securities USA LLC, PNC Capital Markets LLC, Scotia Capital (USA) Inc., TD Securities (USA) LLC and U.S. Bancorp Investments, Inc., as representatives of the several Underwriters named in Schedule I to the Underwriting Agreement (the “Underwriters”), relating to the underwritten public offering of $700,000,000…

Results of Operations and Financial Conditions. On July 28, 2026, CenterPoint Energy, Inc. (“CenterPoint Energy”) reported second quarter 2026 earnings. For additional information regarding CenterPoint Energy’s second quarter 2026 earnings, please refer to CenterPoint Energy’s press release attached to this report as Exhibit 99.1 (the “Press Release”), which Press Release is incorporated by reference herein.

Entry into a Material Definitive Agreement . On May 15, 2026, CenterPoint Energy, Inc. (the “Company”) entered into an Equity Distribution Agreement (the “Equity Distribution Agreement”) with Barclays Capital Inc., BMO Capital Markets Corp., BNP Paribas Securities Corp., BofA Securities, Inc., BTIG, LLC, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC, Mizuho Securities USA LLC, Morgan Stanley & Co. LLC, MUFG Securities Americas Inc., RBC Capital Markets, LL…

Results of Operations and Financial Conditions. On April 23, 2026, CenterPoint Energy, Inc. (“CenterPoint Energy”) reported first quarter 2026 earnings. For additional information regarding CenterPoint Energy’s first quarter 2026 earnings, please refer to CenterPoint Energy’s press release attached to this report as Exhibit 99.1 (the “Press Release”), which Press Release is incorporated by reference herein.

Unregistered Sales of Equity Securities. The information included in

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information included in

Entry into a Material Definitive Agreement . Convertible Senior Notes On February 26, 2026, CenterPoint Energy, Inc. (the “Company”) completed the sale of $650,000,000 aggregate principal amount of 2.875% Convertible Senior Notes due 2029 (the “Notes”), which amount included an additional $50,000,000 aggregate principal amount of Notes purchased pursuant to the full exercise of the option granted to the Initial Purchasers (as defined herein) pursuant to the Purchase Agreement (as defined here…

Senior Vice President and Chief Accounting Officer — Kristie L. Colvin: Kristie L. Colvin is retiring and transitioning to an advisory role, with Russell K. Wright appointed as her successor.

Results of Operations and Financial Conditions. On February 19, 2026, CenterPoint Energy, Inc. (“CenterPoint Energy”) reported fourth quarter and full-year 2025 earnings. For additional information regarding CenterPoint Energy’s fourth quarter and full-year 2025 earnings, please refer to CenterPoint Energy’s press release attached to this report as Exhibit 99.1 (the “Press Release”), which Press Release is incorporated by reference herein.

Other Events On February 11, 2026, CenterPoint Energy Resources Corp. (“CERC”), a wholly-owned subsidiary of CenterPoint Energy, Inc., commenced sending out notices of full prepayment relating to (i) $10,000,000 aggregate principal amount of its 4.25% Senior Notes, Series B, due June 5, 2043 (the “2043 Notes”) pursuant to a Note Purchase Agreement, dated as of May 27, 2022, by and among CERC and the purchasers party thereto (the “2043 Note Purchase Agreement”), (ii) $40,000,000 aggregate prin…

Results of Operations and Financial Conditions. On October 23, 2025, CenterPoint Energy, Inc. (“CenterPoint Energy”) reported third quarter 2025 earnings. For additional information regarding CenterPoint Energy’s third quarter 2025 earnings, please refer to CenterPoint Energy’s press release attached to this report as Exhibit 99.1 (the “Press Release”), which Press Release is incorporated by reference herein.

Other Events. Pursuant to the Purchase Agreement, the Buyer (the “Borrower”), and the Seller, as lender and Seller under the Purchase Agreement (the “Lender”), are required, at Closing, to enter into the Seller Note Agreement, in the form attached to the Purchase Agreement. Pursuant to the Seller Note Agreement, the Borrower will be required to issue at the Closing a promissory note evidencing the Loan, including, without limitation, the outstanding aggregate principal and all accrued and unp…

Entry into a Material Definitive Agreement. On October 20, 2025 (the “Signing Date”), CenterPoint Energy Resources Corp., a Delaware corporation (“Seller”) and a wholly owned, indirect subsidiary of CenterPoint Energy, Inc. (the “Company”), entered into a Securities Purchase Agreement (the “Purchase Agreement”) by and between Seller and National Fuel Gas Company, a New Jersey corporation (the “Buyer”), pursuant to which Seller has agreed to sell all of the issued and outstanding equity intere…

Entry into a Material Definitive Agreement. On September 30, 2025, CenterPoint Energy, Inc. (the “Company”) entered into an Underwriting Agreement (the “Underwriting Agreement”) with Barclays Capital Inc., Citigroup Global Markets Inc., MUFG Securities Americas Inc., PNC Capital Markets LLC and Truist Securities, Inc., as representatives of the several Underwriters named in Schedule I to the Underwriting Agreement (the “Underwriters”), relating to the underwritten public offering of $700,000,…

Material Modification to Rights of Security Holders. The information set forth in

Other Events. On September 18, 2025, the Company announced the commencement of cash tender offers (each, a “Tender Offer” and collectively, the “Tender Offers”) pursuant to its Offer to Purchase dated September 18, 2025 for (i) up to $300,000,000 aggregate purchase price (excluding accrued and unpaid interest) of its 3.70% Senior Notes due 2049, 2.65% Senior Notes due 2031 and 2.95% Senior Notes due 2030 (collectively, the “CenterPoint Energy Notes”) and (ii) up to $200,000,000 aggregate purc…

Entry into a Material Definitive Agreement. Convertible Senior Notes On July 31, 2025, CenterPoint Energy, Inc. (the “Company”) completed the sale of $1,000,000,000 aggregate principal amount of 3.00% Convertible Senior Notes due 2028 (the “Notes”), which amount included an additional $100,000,000 aggregate principal amount of Notes purchased pursuant to the full exercise of the option granted to the Initial Purchasers (as defined herein) pursuant to a Purchase Agreement (as defined herein).…

Unregistered Sales of Equity Securities. The information included in

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information included in

Results of Operations and Financial Conditions. On July 24, 2025, CenterPoint Energy, Inc. (“CenterPoint Energy”) reported second quarter 2025 earnings. For additional information regarding CenterPoint Energy’s second quarter 2025 earnings, please refer to CenterPoint Energy’s press release attached to this report as Exhibit 99.1 (the “Press Release”), which Press Release is incorporated by reference herein.

Chief Operating Officer — Jesus Soto, Jr.: The filing announces the appointment of an experienced external candidate as Chief Operating Officer, which is a significant leadership addition rather than a departure.

Creation of a Direct Financial Obligation or an Obligation under Off-Balance Sheet Arrangement of a Registrant. On July 1, 2025, Southern Indiana Gas and Electric Company (“SIGECO”), a wholly-owned subsidiary of CenterPoint Energy, Inc. (the “Company”), and certain institutional investors in the private placement market (“Purchasers”) entered into a Bond Purchase Agreement (“Bond Purchase Agreement”), under which SIGECO agreed to sell, and each Purchaser agreed to severally purchase (i) on Ju…

Entry into a Material Definitive Agreement. The information included in

Entry into a Material Definitive Agreement As previously reported in a Current Report on Form 8-K filed on May 28, 2025 with the Securities and Exchange Commission, on May 27, 2025, CenterPoint Energy, Inc., a Texas corporation (the “Company”), entered into an Underwriting Agreement (the “Underwriting Agreement”) with BofA Securities, Inc., Mizuho Securities USA LLC and J.P. Morgan Securities LLC, as representatives of the underwriters named in Schedule II to the Underwriting Agreement (the “…

Entry into a Material Definitive Agreement On May 27, 2025, CenterPoint Energy, Inc. (“CenterPoint Energy,” or the “Company”) entered into separate forward sale agreements (each, a “Forward Sale Agreement” and collectively, the “Forward Sale Agreements”) with each of Bank of America, N.A., Mizuho Markets Americas LLC (with Mizuho Securities USA LLC acting as agent) and JPMorgan Chase Bank, National Association (each, a “Forward Purchaser” and collectively, the “Forward Purchasers”), relating…