2025 Investor Update CenterPoint Energy | 2 Cautionary Statement and Other Disclosures Introduction This presentation and the oral statements made in connection herewith contain “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. All statements other than statements of historical fact included in this presentation and the oral statements made in connection herewith are forward-looking statements made in good faith by CenterPoint Energy, Inc. (“CenterPoint Energy” or the “Company”) and are intended to qualify for the safe harbor from liability established by the Private Securities Litigation Reform Act of 1995, including statements concerning CenterPoint Energy’s expectations, beliefs, plans, objectives, goals, strategies, future operations, events, financial position, earnings and guidance, growth, costs, prospects, capital investments or performance or underlying assumptions and other statements that are not historical facts. You should not place undue reliance on forward-looking statements. You can generally identify our forward-looking statements by the words “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “forecast,” “goal,” “intend,” “may,” “objective,” “plan,” “potential,” “predict,” “projection,” “should,” “target,” “will,” or other similar words. The absence of these words, however, does not mean that the statements are not forward-looking. Examples of forward-looking statements in this presentation and the oral statements made in connection herewith include statements about CenterPoint’s new and previous 10-year capital investment plans and the projects and programs therein (which include Houston Electric’s Greater Houston Resiliency Initiative (“GHRI”) and System Resiliency Plan (“SRP”), the Texas Gas transmission pipeline project, the Downtown Houston Revitalization project, and programs relating to electric transmission, resiliency, gas meter upgrades, and pipeline modernization), including the timing, execution, financing, costs and anticipated benefits thereof, regulatory matters relating thereto, and related matters, other capital investments and opportunities therefor (including with respect to incremental capital opportunities, deployment of capital, execution, financing and timing of such projects, and anticipated benefits related thereto), future earnings and guidance, CenterPoint’s goals regarding the resiliency, reliability, and safety of our electric and gas systems, CenterPoint’s long-term growth rate and plans related thereto, dividend growth and payouts, customer charges and rate affordability, operations and maintenance expense reductions, the proposed sale of our Ohio natural gas LDC business (including with respect to timing, anticipated benefits, and related matters), the timing of, projections for, and anticipated benefits from the settlement of, rate cases for CenterPoint and its subsidiaries, CenterPoint’s recovery through interim capital trackers and the timing thereof, base rate growth and population growth in CenterPoint’s service territories, CenterPoint’s ability to support economic growth, meet customer needs and improve customer experiences, Houston Electric’s release of its 15 large 27 megawatt (“MW”) to 32 MW temporary emergency electric energy facilities ("TEEEF") units to the San Antonio area and its ability to complete one or more other future transactions involving various sizes of TEEEF units (including with respect to timing, filings related thereto, corresponding reductions in Houston Electric’s TEEEF fleet capacity, anticipated benefits including with respect to rates, expected market demand for the units, and related matters), the timing and extent of CenterPoint's recovery of investments, electric demand growth in CenterPoint’s service territories (including forecasts and the drivers thereof, capital investment opportunities related thereto and our ability to attract them, the timing of investments related thereto, and anticipated benefits of such growth), financing plans (including in relation to operating cash flow, capital recycling, and the need for, timing of, and anticipated benefits of any future equity or debt issuances, forward sales, and securitization, credit metrics and parent level debt), generation plans and projects, including the timing, costs, and anticipated benefits thereof (including with respect to greenhouse gas emissions reductions), the Company’s 2.0% Zero-Premium Exchangeable Subordinated Notes due 2029 (“ZENS”) and impacts of the maturity of ZENS, CenterPoint’s credit health, balance sheet strength, future financial performance and results of operations, value creation, opportunities and expectations. We have based our forward- looking statements on our management’s beliefs and assumptions based on information currently available to our management at the time the statements are made. We caution you that assumptions, beliefs, expectations, intentions, and projections about future events may and often do vary materially from actual results. Therefore, we cannot assure you that actual results will not differ materially from those expressed or implied by our forward-looking statements. Some of the factors that could cause actual results to differ from those expressed or implied by our forward-looking information include, but are not limited to, risks and uncertainties relating to: (1) the business strategies and strategic initiatives, restructurings, joint ventures and acquisitions or dispositions of assets or businesses involving CenterPoint or its industry, including the ability to successfully complete such strategies, initiatives, transactions or plans on the timelines we expect or at all, such as our plan to sell our Ohio natural gas LDC business or the completed sale of our Louisiana and Mississippi natural gas LDC businesses, which we cannot assure you will have the anticipated benefits to us; (2) industrial, commercial and residential growth in CenterPoint’s service territories and changes in market demand, including in relation to the expansion of data centers, energy export facilities, including hydrogen facilities, electrification of industrial processes and transport and logistics, as well as the effects of energy efficiency measures and demographic patterns, and our ability to appropriately estimate and effectively manage business opportunities relating to such matters; (3) CenterPoint’s ability to fund and invest planned capital, and the timely recovery of its investments, including those related to Houston Electric’s GHRI and SRP; (4) the ability to timely execute Houston Electric’s GHRI and SRP; (5) our ability to successfully construct, repair, maintain and restart electric generating facilities, natural gas facilities, TEEEF and electric transmission facilities; (6) the timing and success of, and our ability to obtain approval for, Houston Electric’s release of its large TEEEF units to the San Antonio area, reduction of its TEEEF fleet capacity and reduction of rates to reflect the removal of the large TEEEF units from Houston Electric’s TEEEF fleet, as well as our ability to complete one or more other future transactions involving various sizes of TEEEF units on acceptable terms and conditions within the anticipated timeframe; (7) financial market and general economic conditions, including access to debt and equity capital, inflation, potential for recession, interest rates, and their effect on sales, prices and costs; (8) disruptions to the global supply chain and volatility in commodity prices, including resulting from tariffs, trade agreements, retaliatory trade measures or changes in trade relationships; (9) actions by credit rating agencies, including any potential downgrades to credit ratings; (10) the timing and impact of regulatory proceedings and actions and legal proceedings, including those related to, among other things, the May 2024 Storm Events, Hurricane Beryl, Houston Electric’s TEEEF units and the February 2021 winter storm event, and requested or favorable adjustments to rates and approval of other requested items as part of base rate proceedings or interim rate mechanisms; (11) federal, state and local legislative, executive, regulatory and political actions or developments, including any actions resulting from Hurricane Beryl, actions pertaining to trade (including tariffs, bans, retaliatory trade measures taken against the United States or related government action), tax legislation (including effects of the One Big Beautiful Bill Act, Executive Order 14315, and the Inflation Reduction Act) and developments related to the environment; (12) the impact of public health threats; (13) weather variations and other natural phenomena, including severe weather events, and CenterPoint’s ability to mitigate weather impacts, including the approval and timing of securitization issuances; (14) the impact of potential wildfires; (15) changes in business plans; (16) advances in, our ability to timely adopt, develop and deploy, artificial intelligence; (17) the availability of, prices for and our ability to procure materials, supplies or services and scarcity of and changes in labor for current and future projects and operations and maintenance costs; (18) CenterPoint’s ability to timely obtain and maintain necessary licenses and permits from local, federal and other regulatory authorities on acceptable terms and resolve third-party challenges to such licenses or permits, as applicable; (19) CenterPoint’s ability to execute on its initiatives, targets and goals, including its net zero and greenhouse gas emissions reduction goals and operations and maintenance goals; and (20) other factors discussed in CenterPoint’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024 and CenterPoint’s Quarterly Report on Form 10-Q for the quarters ended March 31, 2025, and June 30, 2025, including under “Risk Factors,” “Cautionary Statements Regarding Forward-Looking Information” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Certain Factors Affecting Future Earnings” in such reports and in other filings with the Securities and Exchange Commission (“SEC”) by CenterPoint, which can be found at www.centerpointenergy.com on the Investor Relations page or on the SEC website at www.sec.gov. This presentation contains time-sensitive information that is accurate only as of September 29, 2025. Any transmission or distribution of this presentation on a later date should not be construed as a confirmation or reaffirmation by CenterPoint Energy of the information contained herein, including guidance. CenterPoint Energy undertakes no obligation to update the information presented herein, except as required by applicable law. Use of Non-GAAP Financial Measures In this presentation and the oral statements made in connection herewith, the Company presents certain financial measures which are non-GAAP financial measures, including non-GAAP income and non-GAAP diluted earnings per share. Generally, a non-GAAP financial measure is a numerical measure of a company’s historical or future financial performance that excludes or includes amounts that are not normally excluded or included in the most directly comparable GAAP financial measure. Please refer to Slide 81 for a detailed discussion of the use of non-GAAP financial measures presented herein.