Slides
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July 30, 2026 2026 Second Quarter Earnings Conference Call
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2 Aaron Musgrave Vice President, Investor Relations
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3 Safe Harbor This presentation includes forward-looking statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and the Federal securities laws. They are not guarantees or assurances of any outcomes, financial results, levels of activity, performance or achievements, and readers are cautioned not to place undue reliance upon them. The forward-looking statements are subject to a number of estimates and assumptions, and known and unknown risks, uncertainties and other factors. Actual results may differ materially from those discussed in the forward-looking statements included in this presentation. The factors that could cause actual results to differ are discussed in the Appendix to this presentation, and in our Quarterly Report on Form 10-Q for the quarter ended June 30, 2026, as filed with the SEC on July 29, 2026. Non-GAAP Financial Information This presentation includes non-GAAP financial measures. Further information regarding these non-GAAP financial measures, including a reconciliation of historical measures to the most directly comparable GAAP measure, is included in the appendix of this presentation. FORWARD-LOOKING STATEMENTS
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4 John Griffith President & Chief Executive Officer
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5 Solid Second Quarter 2026 Results Adjusted Earnings Per Share* ✓ 2026 EPS on track; revenue increases from PA and NJ expected to become effective in Q3 driving strong 2H 2026 financial results ✓ Continued success in regulatory execution, including rate cases • Completed three cases - MD, WV and PA • Six active cases - CA, VA, NJ, IL, KY and MO ✓ Invested $1.8 billion in 1H, led by water system improvements ✓ Closed the Nexus Systems Acquisition on June 1, adding ~47,000 customer connections ✓ $236M of acquisitions under agreement representing ~57,000 customer connections ✓ Progress continues on proposed merger with Essential Utilities • Kentucky, Ohio and Virginia merger approvals received Q2/YTD 2026 Highlights $2.62$2.51 * Adjusted EPS is a non-GAAP measure. Please see appendix for reconciliation and further information. $1.02 $1.01 $1.49 $1.61 2025 2026Q1 Q2
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6 Continued Progress on the Path to Merger Close Three state approvals received Q4 2025 Filed All State Regulatory Applications Required approvals include certain public utility commissions Q1 2026 Shareholder Approvals Received AWK and WTRG shareholders overwhelmingly approved merger proposals on Feb. 10 Q1 2027 Transaction Close Transaction expected to close by end of Q1 2027 Q2 2026 – Q1 2027 Obtain Regulatory Approvals Approvals needed from state regulators including PA, TX, NC, NJ, IL, VA, OH and KY , as well as Hart-Scott-Rodino State Date Filed Docket Number Next Steps Approval Pennsylvania November 26, 2025 A-2025-3058927 Hearings in August New Jersey November 26, 2025 WM25110628 Public Input Hearings in August North Carolina November 26, 2025 W-218 Sub 643 Hearings in September Texas November 25, 2025 59020 July Hearing Cancelled - Reached Settlement in Principle Illinois December 5, 2025 25-1057 ALJ Proposed Order due Sept. 11, Statutory Deadline of November 5 Virginia December 22, 2025 PUR-2025-00229 Approved on June 22 Ohio December 31, 2025 25-1200-WS-UNC Approved on May 13 Kentucky December 22, 2025 2025-00408 Approved on April 21
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7 David Bowler Executive Vice President & Chief Financial Officer
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8 Details of Second Quarter 2026 Adjusted EPS Note: Adjusted EPS is a non-GAAP measure. Please see appendix for reconciliation and further information. 0.30 - (0.08) (0.07) (0.01)$1.49 (0.02) $1.61 Q2 2025 Adjusted EPS Revenue O&M Depreciation Financing and Dilution* General Taxes Other, net Q2 2026 Adjusted EPS *Financing and Dilution includes ($0.01) of dilution related to the equity forward proceeds received in June.
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9 Details of Year-To-Date 2026 Adjusted EPS Note: Adjusted EPS is a non-GAAP measure. Please see appendix for reconciliation and further information. 0.51 (0.05) (0.16) (0.14) (0.02) (0.03)$2.51 $2.62 June YTD 2025 Adjusted EPS Revenue O&M Depreciation Financing and Dilution* General Taxes Other, net June YTD 2026 Adjusted EPS *Financing and Dilution includes ($0.01) of dilution related to the equity forward proceeds received in June. Also includes a Q1 2026 reclass of $0.02 from Other, net related to HOS incremental interest.
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10 S&P A Moody’s Baa1 As of June 30, 2026 58% Long-Term Target <60% * Includes proceeds (net) of $476 million from the equity forward agreements received in June 2026; remaining proceeds are expected to be received in Q4 2026. Note: June 30, 2026 percentage shown is net of cash and cash equivalents of $191 million. Continued Strong Balance Sheet & Credit Ratings AWK Long-Term Senior Unsecured Ratings (Stable Outlook) (Stable Outlook) Ratings and Stable Outlook affirmed at S&P / Moody’s (June ’26/Jan. ‘26) ✓ Low risk business profile ✓ Strong regulatory jurisdictions ✓ Supportive financial plans Total Debt to Total Capital* Consolidated Debt Maturity Profile as of June 30, 2026 (Rounded) ($ in millions) Liquidity Profile ($ in millions) Revolving Credit Facility ✓ Credit Facility capacityof $2.75 billion ✓ Maturity date of October 2029 $191 AvailableLiquidity as of 6/30/26 $1,363 Credit Cash $1,172 $415 $650 $875 $1,450 $515 2026 2027 2028 2029 2030
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11 General Rate Case Updates Rate Cases in Progress IN TN IA HI WV CA* MD VA* PA NJ* IL* KY* MO* Mar. 31, 2023 May 1, 2024 May 1, 2024 Aug. 2, 2024 May 5, 2025 July 1, 2025 Aug. 1, 2025 Nov. 3, 2025 Nov. 14, 2025 Jan. 16, 2026 Jan. 27, 2026 May 15, 2026 July 1, 2026 Date of Previous Rate Case Filings by State *In progress State Subsidiary Date Filed Capital Investment Rates Expected Effective Date Next Steps Missouri July 1, 2026 $1.6 billion June 2027 Discovery ongoing Kentucky May 15, 2026 $108 million December 2026 Testimony due in August, Rebuttal due in Sept. Illinois January 27, 2026 $577 million January 2027 Testimony due and hearings in August New Jersey January 16, 2026 $1.4 billion Fall 2026 Settlement discussions ongoing Virginia November 3, 2025 $115 million May 2, 2026 Settlement reached, awaiting final order California July 1, 2025 $750 million January 1, 2027 Partial settlement reached, awaiting final order 2026 Completed Rate Cases State Subsidiary Authorized ROE Additional Authorized Revenue Rates Effective Date Maryland 9.75% $2 million February 26, 2026 West Virginia 9.80% $20 million March 1, 2026 Pennsylvania 9.55% $75 million August 13, 2026
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12 Affirming 2026 EPS Guidance Achieving Consistent Earnings Growth Within 7-9% Range 2023 2025 2030E & Beyond 7-9% EPS CAGR Target $5.64 $4.77 2026 ADJUSTED EPS GUIDANCE $6.02 - $6.12 2024 $5.18 2026E +8.6% +8.9% $6.12 $6.02 ~8% Note: Adjusted EPS is a non-GAAP measure. Please see appendix for reconciliation and further information. 2023-2026E Adjusted EPS CAGR (at midpt.) of 8.4%
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13 Cheryl Norton Executive Vice President & Chief Operating Officer
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14 System Needs Drive Continued Investments Supports Water Quality, Reliability, and a Focus on Affordability Investing in Pipe Replacement, Other System Needs Investments Drive Continued Rate Base Growth Residential Water Bill as % of Median Household Income* Cap Ex Driven by System Renewal, Resiliency, and Water Quality ~8-9% CAGR for Rate Base Estimated Rate Base** (Includes Acquisitions) $ in billions $1.3B $1.8B 1H 2025 1H 2026 $3.7B 2026E Capital Investments (Includes Acquisitions) ~70% ~10% ~8% ~5%~4%~3% Capital by Purpose (2026-2035) Infrastructure Renewal Operational Efficiency, Technology & Innovation Water Quality, Including PFAS Resiliency System Expansion Other * Figure is estimated based on data from the US Census Bureau American Community Survey based on zip codes served by American Water and assumptions for future MHI levels. American Water does not collect household income data from its customers. ** An approximation of rate base, which includes Net Utility Plant not yet included in rate base, pendingrate case filings/outcomes. 0.00% 0.20% 0.40% 0.60% 0.80% 1.00% 2014 2016 2018 2020 2022 2024 2025 2030E 2035E $16.3 $17.8 $19.7 $22.1 $24.3 $25.3 2021 2022 2023 2024 2025 Q2 2026 2030E 2035E
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15 More than 1.5 Million Customer Connections in Pipeline Completed the Acquisition of Nexus Systems YTD closed acquisitions of ~52K customers; ~57K more under agrmt. ~56,600 Customer Connections 19 Acquisitions in 6 States, $236M Under Agreement As of June 30, 2026 Closed As of June 30, 2026 Note: Amounts on slide do not include customer connections related to the proposed merger with Essential Utilities. ~46,600 Customer Connections 60 Systems in 8 States, $319M Nexus Water Group Systems 200 400 1,100 4,600 7,000 7,300 8,900 17,100 VA TN NJ MD KY PA IN IL Closed June 1 400 3,400 10,900 12,900 13,700 15,300 IL KY MO PA WV NJ 200 900 4,600 KY NJ WV ~5,700 Customer Connections 3 Systems in 3 States, $27M
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16 Q&A Session
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17 INVESTOR RELATIONS CONTACTS UPCOMING EVENTS Aaron Musgrave, CPA Vice President, Investor Relations aaron.musgrave@amwater.com Janelle McNally Director, Sustainability janelle.mcnally@amwater.com Jack Quinn, CPA Director, Investor Relations jack.quinn@amwater.com Kelley Uyeda Senior Analyst, IR & Sustainability kelley.uyeda@amwater.com Q3 2026 Earnings Call October 29, 2026 (projected) EEI Financial Conference November 8-10, 2026
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18 Appendix
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19 Certain statements made, referred to or relied upon in this presentation including, without limitation, 2026 adjusted earnings per share guidance, the Company’s long-term financial, growth and dividend targets, the ability to achieve the Company’s strategies and goals, customer affordability and acquired customer growth, the outcome of the Company’s pending acquisition activity (including, without limitation, with respect to the proposed merger with Essential Utilities and the completed acquisition of systems formerly owned indirectly by Nexus Water Group, Inc.), the amount and allocation of projected capital expenditures and the Company’s capital recovery outlook, and estimated revenues from rate cases and other government agency authorizations, are forward-looking statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and the Federal securities laws. In some cases, these forward-looking statements can be identified by words with prospective meanings such as “intend,” “plan,” “estimate,” “believe,” “anticipate,” “expect,” “predict,” “project,” “propose,” “assume,” “forecast,” “outlook,” “likely,” “uncertain,” “future,” “pending,” “goal,” “objective,” “potential,” “continue,” “seek to,” “may,” “can,” “will,” “should” and “could” or the negative of such terms or other variations or similar expressions. These forward-looking statements are predictions based on American Water’s current expectations and assumptions regarding future events. They are not guarantees or assurances of any outcomes, financial results, levels of activity, performance or achievements, and readers are cautioned not to place undue reliance upon them. These forward-looking statements are subject to a number of estimates, assumptions, known and unknown risks, uncertainties and other factors. The Company’s actual results may vary materially from those discussed in the forward-looking statements included in this presentation as a result of the factors discussed in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025, and subsequent filings with the SEC, and because of factors such as: the decisions of governmental and regulatory bodies, including decisions to raise or lower customer rates; the timeliness and outcome of regulatory commissions’ and other authorities’ actions concerning rates, capital structure, authorized return on equity, capital investment, system acquisitions and dispositions, taxes, permitting, water supply and management, and other decisions; changes in customer demand for, and patterns of use of, water and energy, such as may result from conservation efforts, or otherwise; limitations on the availability of the Company’s water supplies or sources of water, or restrictions on its use thereof, resulting from allocation rights, governmental or regulatory requirements and restrictions, drought, overuse or other factors; a loss of one or more large industrial or commercial customers due to adverse economic conditions, or other factors; present and future proposed changes in laws, governmental regulations and policies, including with respect to the environment (such as, for example, potential improvements to existing Federal regulations with respect to lead and copper service lines and galvanized steel pipe), health and safety, data and consumer privacy, security and protection, water quality and water quality accountability, contaminants of emerging concern (including without limitation per- and polyfluoroalkyl substances (collectively, “PFAS”)), public utility and tax regulations and policies, and impacts resulting from U.S., state and local elections and changes in federal, state and local executive administrations; the Company’s ability to collect, distribute, use, secure and store consumer data in compliance with current or future governmental laws, regulations and policies with respect to data and consumer privacy, security and protection; weather conditions and events, climate variability patterns, and natural disasters, including drought or abnormally high rainfall, prolonged and abnormal ice or freezing conditions, strong winds, coastal and intercoastal flooding, pandemics and epidemics, earthquakes, landslides, hurricanes, tornadoes, wildfires, electrical storms, sinkholes and solar flares; the outcome of litigation and similar governmental and regulatory proceedings, investigations or actions; the risks associated with the Company’s aging infrastructure, and its ability to appropriately improve the resiliency of or maintain, update, redesign and/or replace, current or future infrastructure and systems, including its technology and other assets, and manage the expansion of its businesses; exposure or infiltration of the Company’s technology and critical infrastructure systems, including the disclosure of sensitive, personal or confidential information contained therein, through physical or cyber attacks or other means, and impacts from required or voluntary public and other disclosures, as well as civil class action and other litigation or legal, regulatory or administrative proceedings, related thereto; the Company’s ability to obtain permits and other approvals for projects and construction, update, redesign and/or replacement of various water and wastewater facilities; changes in the Company’s capital requirements; the Company’s ability to control operating expenses and to achieve operating efficiencies, and the Company’s ability to create, maintain and promote initiatives and programs that support the affordability of the Company’s regulated utility services; the intentional or unintentional actions of a third party, including contamination of the Company’s water supplies or the water provided to its customers; the Company’s ability to obtain and have delivered adequate and cost-effective supplies of pipe, equipment (including personal protective equipment), chemicals, power and other fuel, water and other raw materials, and to address or mitigate supply chain constraints that may result in delays or shortages in, as well as increased costs of, supplies, products and materials that are critical to or used in the Company’s business operations; the Company’s ability to successfully meet its operational growth projections, either individually or in the aggregate, and capitalize on growth opportunities, including, among other things, with respect to: acquiring, closing and successfully integrating regulated operations, including without limitation the Company’s ability to (i) obtain all required regulatory and other consents and approvals for such acquisitions, (ii) prevail in litigation or other challenges related to such acquisitions, and (iii) recover in rates the fair value of assets of the acquired regulated operations; the Company’s Military Services Group entering into new military installation contracts, price redeterminations, and other agreements and contracts, with the U.S. government; and realizing anticipated benefits and synergies from new acquisitions; in addition to the foregoing, various risks and other uncertainties associated with the Company’s merger agreement with Essential Utilities and the related proposed merger, including: a fixed exchange ratio that will not adjust or account for fluctuations in the Company’s or Essential Utilities’ stock price; limitations on the parties’ ability to pursue alternatives to the proposed merger; an event, change or other circumstance that could give rise to the termination of the merger agreement; a delay in the timing to consummate the proposed merger; each party’s ability to obtain required governmental and regulatory approvals required for the proposed merger (and/or that such approvals may result in the imposition of burdensome or commercially undesirable conditions, including required dispositions, that could adversely affect the combined company or the expected benefits of the proposed merger); financial impacts of the proposed merger on the Company and the combined company’s earnings, earnings per share, financial condition, results of operations, cash flows and share price, and any related accounting impacts; any impact of the proposed merger on the Company’s and the combined company’s ability to declare and pay quarterly dividends on its common stock; the risk of litigation related to the proposed merger; changes in the parties’ key management and personnel; the amount and nature of incurred transaction costs associated with the proposed merger; and Forward-Looking Statements (Continued on next slide)
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20 reduced ownership and voting interests for the Company’s and Essential Utilities' shareholders upon completion of the proposed merger; in addition to the foregoing, various risks and other uncertainties following the acquisition of certain water and wastewater systems from a subsidiary of Nexus Water Group, Inc., including: the final amount of the rate base of the acquired operations, and the amount of post-closing adjustments to the purchase price, if any, as contemplated by the acquisition agreement; and the various impacts and effects of the completion of, or actions taken by the Company to complete, the acquisition, on the Company’s operations, strategy, guidance, expectations and plans with respect to its Regulated Businesses (considered individually or together as a whole), its current or future capital expenditures, its current and future debt and equity capital needs, dividends, earnings (including earnings per share), growth, future regulatory outcomes, expectations with respect to rate base growth, and other financial and operational goals, plans, estimates and projections; risks and uncertainties associated with contracting with the U.S. government, including ongoing compliance with applicable government procurement, security and cybersecurity regulations; cost overruns relating to improvements in or the expansion of the Company’s operations; the Company’s ability to successfully develop and implement new technologies and to protect related intellectual property; the Company’s ability to maintain safe work sites; the Company’s exposure to liabilities related to environmental laws and regulations, including those enacted or adopted and under consideration, and the substances related thereto, including without limitation copper, lead and galvanized steel, PFAS and other contaminants of emerging concern, and similar matters resulting from, among other things, water and wastewater service provided to customers; the ability of energy providers, state governments and other third parties to achieve or fulfill their greenhouse gas emission reduction goals, including without limitation through stated renewable portfolio standards and carbon transition plans; with respect to any of the Company's forward sale agreements: (i) the inability of the forward purchasers (or their affiliates) to perform their obligations thereunder, (ii) the timing and method of any settlement thereof, (iii) the amount and intended use of proceeds that may be received by the Company from any such settlement, and (iv) the timing and amount of any common stock dilution resulting therefrom; changes in general economic, political, business and financial market conditions; access to sufficient debt and/or equity capital on satisfactory terms and as needed to support operations and capital expenditures; fluctuations in inflation or interest rates, and the Company’s ability to address or mitigate the impacts thereof; the ability to comply with affirmative or negative covenants in the current or future indebtedness of the Company or any of its subsidiaries, or the issuance of new or modified credit ratings or outlooks by credit rating agencies with respect to the Company or any of its subsidiaries (or any current or future indebtedness thereof), which could increase financing costs or funding requirements and affect the Company’s or its subsidiaries’ ability to issue, repay or redeem debt, pay dividends or make distributions; fluctuations in the value of, or assumptions and estimates related to, its benefit plan assets and liabilities, including with respect to its pension and other post-retirement benefit plans, that could increase expenses and plan funding requirements; changes in federal or state general, income and other tax laws, and the imposition, utilization or change in economic tariffs (or any attempt or effort to do so), including (i) future significant tax legislation or regulations (including without limitation impacts related to the Corporate Alternative Minimum Tax), and (ii) the availability of, or the Company’s compliance with, the terms of applicable tax credits and tax abatement programs; migration of customers into or out of the Company’s service territories and changes in water and energy consumption resulting therefrom; the use by municipalities of the power of eminent domain or other authority to condemn the systems of one or more of the Company’s utility subsidiaries, including without limitation litigation, complaints and other proceedings with respect to the water system assets of the Company’s California subsidiary located in Monterey, California, or the assertion by private landowners of similar rights against such utility subsidiaries; any difficulty or inability to obtain insurance for the Company, its inability to obtain insurance at acceptable rates and on acceptable terms and conditions, or its inability to obtain reimbursement under existing or future insurance programs and coverages for any losses sustained; the incurrence of impairment charges, changes in fair value and other adjustments related to the Company’s goodwill or the value of its other assets; labor actions, including work stoppages and strikes; the Company’s ability to retain and attract highly qualified and skilled employees and talent; civil disturbances or unrest, or terrorist threats or acts, or public apprehension about future disturbances, unrest, or terrorist threats or acts; and the impact of new, and changes to existing, accounting standards. These forward-looking statements are qualified by, and should be read together with, the risks and uncertainties set forth above, and the risk factors included in American Water’s annual, quarterly and other SEC filings, and readers should refer to such risks, uncertainties and risk factors in evaluating such forward-looking statements. Any forward-looking statements American Water makes shall speak only as of the date of this presentation. Except as required by the federal securities laws, American Water does not have any obligation, and it specifically disclaims, any undertaking or intention, to publicly update or revise any forward-looking statements, whether as a result of new information, future events, changed circumstances or otherwise. New factors emerge from time to time, and it is not possible for the Company to predict all such factors. Furthermore, it may not be possible to assess the impact of any such factor on the Company’s businesses, either viewed independently or together, or the extent to which any factor, or combination of factors, may cause results to differ materially from those contained in any forward-looking statement. The foregoing factors should not be construed as exhaustive. Forward-Looking Statements (continued)
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21 This presentation includes presentations of consolidated adjusted diluted earnings per share, both as historical financial information and as earnings guidance (“Adjusted EPS”). Adjusted EPS constitutes a “non-GAAP financial measure” under SEC rules. The most directly comparable GAAP measure for historical adjusted diluted earnings per share is reported diluted earnings per share (GAAP) and a reconciliation of these two measures is included in this presentation. The 2026 Adjusted EPS guidance range does not include (i) estimated transaction costs to be incurred by the company during 2026 related to the proposed merger with Essential Utilities, (ii) impacts of weather during 2026, and (iii) incremental interest income through February 13, 2026 related to the 2024 amendment of the former HOS secured seller note. Management is unable to present a reconciliation of the Adjusted EPS guidance range to a GAAP guidance range without unreasonable effort because management cannot reliably predict the nature, amount or probable significance of all of such adjustments for future periods; however, these adjustments may, individually or in the aggregate, cause Adjusted EPS to differ significantly from GAAP EPS. Adjusted EPS is derived from the company’s consolidated financial information but is not presented in the financial statements prepared in accordance with GAAP . Adjusted EPS should be considered in addition to, and not as a substitute for, measures of financial performance prepared in accordance with GAAP . The company believes that Adjusted EPS provides investors with useful information by excluding certain matters that may not be indicative of the company’s ongoing operating results, and, with respect to weather, to provide for a measure of the company’s operating performance without the variability of estimated weather impacts, and that providing these non-GAAP measures will allow investors to better understand the businesses’ operating performance and facilitate a meaningful year-to-year comparison of the company’s results of operations. Although management uses Adjusted EPS internally to evaluate the company’s results of operations, management does not intend results reflected therebyto represent results as defined by GAAP , and the reader should not consider them as indicators of performance. In addition, Adjusted EPS as defined and used above may not be comparable to similarly titled non-GAAP measures used by other companies, and, accordingly, they may have significant limitations on its use. Non-GAAP Financial Measures
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22 Reconciliation Table – Consolidated Adjusted EPS Adjusted diluted earnings per share represents a non-GAAP financial measure and, as shown in the table above, is calculated as GAAP diluted earnings per share, excluding the impact of one or more of the following events: (i) estimated impact of weather; (ii) incremental interest income from the February 2, 2024 amendment to the repaid HOS secured seller promissory note, which increased the aggregate principal amount from $720 million to $795 million and increased the interest rate from 7.00% per year to 10.00% per year; and (iii) transaction costs incurred associated with the proposed merger with Essential. The most directly comparable GAAP measure for adjusted diluted earnings per share is reported diluted earnings per share (GAAP) and is reconciled in the table above.
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23 ✓ Adjusted EPS growth of ~8% in 2026 vs. 2025 ✓ Revenue growth in base rates and in infrastructure mechanisms from capital investment ✓ Focus on customer affordability and driving effective and efficient cost management strategies ✓ Received net proceeds of $476M in June from $1.15B equity forward; assume settlement of remaining proceeds in Q4 2026 ✓ $795 million HOS secured seller note was repaid in full on February 13, 2026 2026 Growth Drivers Affirming 2026 EPS Guidance of $6.02 to $6.12* * The 2026 adjusted EPS guidance range does not include (i) estimated transaction costs to be incurred by the company during 2026 related to the proposed merger with Essential Utilities, (ii) impacts of weather during 2026, and (iii) incremental interest income through February 13, 2026 related to the 2024 amendment of the former HOS secured seller note. ** Adjusted EPS is a Non-GAAP Measure. Please see appendix for reconciliation and further information. 2025 Adjusted Revenue O&M Depreciation Financing and Dilution General Tax 2026 Guidance 1.15 – 1.30 (0.05) – (0.15) (0.05) – (0.10) (0.25) – (0.35) (0.25) – (0.35) ~8% growth $6.02 - $6.12* $5.64**
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24 Long-Term Targets Affirmed Strong and Sustainable Growth Outlook for the Future LONG-TERM FINANCIAL TARGETS EPS Growth 7-9% Dividend Per Share Growth 7-9% Customer Affordability + Sustainability Leadership + Dividend Payout Ratio 55-60% Debt to Capital <60% Drivers of Sustainable Shareholder Return Additional Supportive Targets
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25 Note: Chart depicts dividends paid * Future dividends are subject to approval of the American Water Board of Directors. Top Tier Dividend Growth Continues in 2026 8.2% Increase Aligns with Long-Term Target AWK’s Strong and Consistent Dividend Growth* Projected as of December 31, 2026** 58% Long-Term Target 55-60% ** Annual 2026 cash dividends per share of $3.5125 over 2026 adjusted EPS midpoint of $6.07. Total Dividend Payout Ratio $2.3575 $2.5675 $2.7775 $3.0025 $3.2475 $3.5125 2021 2022 2023 2024 2025 2026E
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26 2026 financing plan includes $1.5- 2.0B of long-term debt financing Successfully Executed $700 Million Senior Note Offering Issuer American Water Capital Corp. Pricing Date March 30, 2026 Tenor 10yr Senior Unsecured Size $700M Annual Interest Rate 5.200% Successfully Executed Note Offerings in 2026 Strong demand for issuances (5x over-subscribed) and successful execution helps fund growth while managing financing costs Successfully Executed $500 Million Senior Note Offering Issuer American Water Capital Corp. Pricing Date May 18, 2026 Tenor 3yr Senior Unsecured Size $500M Annual Interest Rate 4.625%
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27 Laddered Debt Maturity Schedule Supports Capital Spending Program ($ in millions) $415 $650 $875 $1,450 $515 $600 $800 $75 $725 $800 $700 $750 $0 $200 $0 $0 $500 $0 $0 $325 $300 $750 $800 $550 $500 $550 $0 $0 $725 $900 Maturity Schedule (as of 6/30/26)
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28 ($ in millions) Financing Plan: 2026-2030 Funding the 2026-2030 Capital Investment Plan Operating Cash Flows $14,000 Debt Financing $11,800 Equity Issuances $2,500 Sale Proceeds (HOS)* $795 ➢ $2.5B of equity issuances in 2026-2030, driven by capital investment needs and consistently achieving <60% debt to cap target • Includes ~$1 billion equity financing in 2026, which is covered by the forward sale agreements entered into in August 2025, $476 million (net) of proceeds were received in June 2026 in partial settlement of the forward sale agreements and proceeds from the settlement of the remaining agreements are expected to be received in Q4 2026; plus, an additional ~$1.5 billion in 2029, to support growth in the business; issuances are subject to market conditions • Uses of funds: primarily ~$19-20 billion of capital investments, ~$4.5 billion of LTD maturities, and dividends • Current 2026 financing plan includes $1.5-2.0B of long-term debt financing ➢ Investors should expect equity financing to occur consistent with a traditional regulated utility financing strategy and to maintain our strong balance sheet and credit metrics, with timing and sizing in alignment with our investment program and rate case cycle ~$29 BillionTotal Sources: * $795 million HOS note was repaid in full on February 13, 2026.
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29 Implications of Final Federal PFAS Rule ➢ U.S. EPA announced on May 14, 2025 its intent to maintain drinking water limits of 4.0 parts per trillion for PFOA and PFOS. ➢ American Water estimates $2B of capital and up to $50M annually for operating expenses in its 2026-2030 plan. ➢ American Water has entered into a nine-year supply contract with Calgon Carbon to supply granular activated carbon, equipment and reactivation services to >50 treatment sites across 10 states through 2033. ➢ U.S. EPA designated PFOA and PFOS as hazardous substances under CERCLA in April 2024. The Company continues to actively advocate for and support bipartisan legislation that would provide PFAS liability protections under CERCLA for water and wastewater systems, as passive receivers of PFAS. PFAS Treatment Plans PFAS Litigation Recap ➢ American Water is a party to the Multi-District Litigation (MDL) lawsuit against several PFAS manufacturers. •The MDL court has approved settlements with DuPont, 3M, Tyco Fire Products LP and BASF Corporation. •As of June 30, 2026, the Company’s utility subsidiaries received settlement payments from defendants of ~$234 million, collectively, net of legal fees and administrative costs. The Company is seeking regulatory approval from its respective public utility commissions to apply the net proceeds for the benefit of customers, where permissible. *Includes PFAS treatment
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30 State Legislative Highlights in 2026 • Authorizes the Iowa Utilities Commission to approve alternative ratemaking mechanisms allowing investor-owned water and wastewater utilities to timely recover costs associated with qualifying system enhancement infrastructure investments outside of traditional rate cases. Legislation was signed by the Governor on June 1, 2026, and became effective on July 1, 2026. • Enables water and wastewater utilities to adjust rates for certain power and chemical costs if they rise or decrease within a 3% margin after a two-year period from the date of the eligible utility’s most recent rate case order. Legislation was signed by the Governor on March 6, 2026, and became effective on July 1, 2026. Indiana – Eligible Power and Chemical Costs (SB 241) Iowa – Water Utility Infrastructure (SEI) (SF 2304) • Authorizes the Commission to extend existing limited-income customer assistance provisions to water and sewage disposal companies, authorizes the adoption of Commission approved limited-income mechanisms, and requires the PSC to study the feasibility of mandating such mechanisms for these utilities.Legislation was signed by the Governor on May 12, 2026, and became effective on July 1, 2026. Maryland – Customer Assistance (HB 1164) • Allows a public utility engaged in the business of furnishing water or sewerage facilities to propose, and the State Corporation Commission to approve, rates and tariff provisions that provide discounted service to customers with an annual household income equal to or less than 200 percent of the federal poverty level. The discounted service program may include a tiered discount structure, and the utility may recover the costs of providing such discounted service through its base and general rates for service. Legislation was signed by the Governor on April 6, 2026, and will become effective on January 1, 2027. Virginia – Universal Affordability Tariff (HB 770)
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31 Reconciliation of Estimated Rate Base Estimated Rate Base* ($ in billions) As of 6/30/2026 Net Utility Plant $31.8 Less Advances for Construction $0.5 CIAC – Contributions in Aid of Construction $1.7 Net Deferred Income Taxes $4.3 $6.5 Total Estimated Rate Base $25.3 * An approximation of rate base, which includes Net Utility Plant not yet included in rate base, pending rate case filings/outcomes.
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32 West Virginia 1 - 4,600 4,600 New Jersey 1 900 - 900 Kentucky 1 200 - 200 Total 3 1,100 4,600 5,700 STATE NUMBER OF SYSTEMS WATER CUSTOMER CONNECTIONS WASTEWATER CUSTOMER CONNECTIONS TOTAL CUSTOMER CONNECTIONS Closed Acquisitions June 30, 2026 Illinois 37 13,400 3,700 17,100 Indiana 5 5,500 3,400 8,900 Pennsylvania 6 3,300 4,000 7,300 Kentucky 2 7,000 - 7,000 Maryland 6 3,550 1,050 4,600 New Jersey 2 800 300 1,100 Tennessee 1 400 - 400 Virginia 1 - 200 200 Sub-Total 60 33,950 12,650 46,600 Total 63 35,050 17,250 52,300 STATE NUMBER OF SYSTEMS WATER CUSTOMER CONNECTIONS WASTEWATER CUSTOMER CONNECTIONS TOTAL CUSTOMER CONNECTIONS + Nexus Water Group Systems
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33 New Jersey 1 15,300 - 15,300 West Virginia 7 3,600 10,100 13,700 Pennsylvania 5 2,700 10,200 12,900 Missouri 3 5,500 5,400 10,900 Kentucky 1 3,400 - 3,400 Illinois 2 100 300 400 Total 19 30,600 26,000 56,600 Acquisitions Under Agreement STATE NUMBER OF SYSTEMS WATER CUSTOMER CONNECTIONS WASTEWATER CUSTOMER CONNECTIONS TOTAL CUSTOMER CONNECTIONS June 30, 2026
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34 Annualized Revenue from Rate Proceedings Requested Revenue in Pending Rate Proceedings * Annualized revenue increase for rates effective since January 1, 2026 ** Excludes revenue already approved through infrastructure mechanisms Rate Filings Completed* Effective since January 1, 2026 ($ in millions) $489 $5 $494 Rate Cases (Excludes Step Increases)** Infrastructure Charges Total $105 $216 $111 Rate Cases (Includes Step Increases) Infrastructure Charges Total
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35 Rates Effective Since… a) The Final Decision was issued December 5, 2024 with rates effective retroactively to 1/1/2024. The new rates will be implemented in February 2025 in the amount of $20.9 million for 2024. This excludes the step rate and attrition rate increase for 2025 and 2026 of $15.9 million and $15.9 million, respectively. The total revenue requirement request for the three year rate case cycle is $52.7 million. The Company's California subsidiary’s step increase was approved and is effective as of January 1, 2025 in the amount of $17.2 million. The Company’s California subsidiary’s attrition increase was approved and is effective as of January 1, 2026 in the amount of $13.9 million. b) The Order approves a consolidated annualized increase in water revenues of approximately $2 million, with approximately $1 million of the increase to be included in rates effective concurrently with the date of the Order, and the remainder effective January 1, 2027. c) The Company’s West Virginia subsidiary was authorized additional annualized revenues of $20.46 million, this excludes the $12.7 million for infrastructure surcharges. d) The Company’s Pennsylvania subsidiary was authorized additional annualized revenues of $74.9 million, this excludes the $24.3 million for infrastructure surcharges. ($ in millions) Infrastructure Charges Date Effective Annualized Revenue Increases Pennsylvania (DSIC) 1/1/2026 $11 Illinois (QIP) 1/1/2026 5 Missouri (WSIRA) 3/1/2026 13 West Virginia (DSIC/WSIC) 3/1/2026 2 Indiana (DSIC) 3/18/2026 15 Pennsylvania (DSIC) 4/1/2026 7 New Jersey (DSIC,WSIC&RESIC) 5/30/2026 25 Pennsylvania (DSIC) 6/22/2026 9 Missouri (WSIRA) 8/15/2026 18 Sub-Total $105 2026 Total $216 Rate Cases & Step Increases Date Effective Annualized Revenue Increases California, Step Increase 1/1/2026 $14(a) Maryland 2/26/2026 2(b) West Virginia 3/1/2026 20(c) Pennsylvania 8/13/2026 75(d) Sub-Total $111 January 1, 2026
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36 $494 $13,689 New Jersey (a) Docket No. WR26010010 1/16/2026 $145 10.75% $6,153 Illinois (b) Docket No. 26-0127 1/27/2026 107 10.75% 2,688 Kentucky Docket No. 2026-00094 5/15/2026 18 10.75% 736 Missouri (c) Docket No. WR-2026-0304 7/1/2026 179 10.50% 4,070 Total Rate Cases Filed Docket/Case Number Date Filed Requested Revenue Increase ROE Requested Rate Base a) The Company’s New Jersey subsidiary has requested additional annualized revenues of $146.4 million, this excludes the $64.0 million for infrastructure surcharges. The Company’s New Jersey subsidiary filed its 9 month actual & 3 month forecasted update on April 24, 2026, which reduced the overall revenue requirement increase to $139.2 million. The Company’s New Jersey subsidiary filed its 12 month actual update on July 27, 2026, which increased the overall revenue requirement increase to $144.6 million. b) The Company’s Illinois subsidiary has requested additional annualized revenues of $119.49 million, this excludes the $8.0 million for infrastructure surcharges, and $14.9 million for rates effective 1/1/2027 and 1/1/2028, respectively. The Company’s Illinois subsidiary filed its rebuttal position on June 23, 2026, which updated the requested additional annualized revenues of $106.6 million, this excludes the $8.0 million for infrastructure surcharges, and $15.4 million for rates effective 1/1/2027 and 1/1/2028, respectively. c) The Company’s Missouri subsidiary requested additional annualized revenues of $178.9 million, this excludes the $31.6 million for infrastructure surcharges. d) The Company’s California subsidiary submitted its 100 Day Update on October 13, 2025, with the revised request of additional annualized revenues of $62.1 million for the test year 2027. This increase as filed represented an increase against 2025 rates. Subsequent to the filing of the rate case, the Company’s California subsidiary adjusted its authorized rates effective January 1, 2026, which revised its net increase proposed for the test year 2027 to $51.1 million. This increase also excludes the proposed step rate and attrition rate increase for 2028 and 2029 of $21.5 million and $26.4 million, respectively. On June 8, 2026, the parties filed a settlement which fully resolves all disputed issues between the Settling Parties except for CWIP. Under the partial settlement agreement, the total incremental annualized water and wastewater revenue to be received by the Company’s California subsidiary would be $24 million in the 2027 test year, an estimated $21 million in the 2028 escalation year, and an estimated $22 million in the 2029 attrition year. This is compared to the Company’s California subsidiary revised proposed position of $43 million in the 2027 test year (which was updated to reflect a current level of revenue and sales), an estimated $22 million in the 2028 escalation year, and an estimated $26 million in the 2029 attrition year. e) Interim rates were effective on May 2, 2026, and the difference between interim and final Commission approved rates are subject to refund. On June 5, 2026, a settlement agreement, signed by all parties except one, was filed with the Virginia State Corporation Commission for a $16.3 million annual revenue increase. Pending Rate Case Filings ($ in millions) $449 $13,647 Infrastructure Surcharges Filed West Virginia (DSIC/WSIC) 6/30/2026 $5 $42 $5 $42 $40 Rate Case Awaiting Regulatory Approval California (d) Case No. A.25-07-003 7/1/2025 $24 Virginia (e) Docket No. PUR-2025-00185 11/3/2025 16
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37 Authorized Rate Base* ROE Equity Effective Date of Rate Case Customer Connections*** Rate Base stated in $000s, rounded ** Rounded as of 12/31/25 Pennsylvania $6,600,000 9.55% 54.23% 8/13/2026 814,000 New Jersey $5,100,000 9.60% 55.00% 9/15/2024 750,000 Missouri $3,200,000(c) 9.75%(d) 50.00%(e) 5/28/2025 510,000 Illinois $2,200,000 9.84% 49.00% 1/1/2025 376,000 Indiana $1,800,000 9.65% 56.30%(b) 5/14/2025 349,000 West Virginia $1,050,000 9.80% 51.00% 3/1/2026 174,000 California $880,000(g) 10.20%(a) 57.04%(a) 1/1/2024(g) 196,000 Kentucky $670,000 9.70% 52.26% 12/16/2025 142,000 Virginia $370,000(c) 9.70% 45.67% 2/24/2025(f) 87,000 Tennessee $300,000 9.70% 44.19% 1/21/2025 89,000 Iowa $260,000 9.60% 52.57% 8/1/2025 70,000 Hawaii $52,000 9.75% 52.11% 8/1/2025 10,000 Maryland $43,000(c) 9.75%(d) 52.32%(e) 2/26/2026 5,000 a) On June 29, 2023, Decision 23-06-025 set the authorized cost of capital through 2024. CA has a separate Cost of Capital case which sets the rate of return outside of a general proceeding. The decision established an ROE of 8.98% effective 30-days after the decision date. On June 30, 2023, the Company filed to implement an automatic ROE adjustment to 9.50% for 2023 based on the Commission approved Water Cost of Capital Adjustment Mechanism (WCCM), effective July 31, 2023. On October 16, 2023, the Company filed to implement an automatic ROE adjustment to 10.20% based on the WCCM upon approval from the Commission, effective January 1, 2024. b) The Authorized Equity excludes cost-free items or tax credit balances at the overall rate of return which lowers the equity percentage as an alternative to the common practice of deducting such items from rate base. c) The Authorized Rate Base listed is the Company's view of the Rate Base allowed in the case; the Rate Base was not disclosed in the Order or the applicable settlement agreement. d) The listed ROE is the Company's view of the ROE allowed in the case; the ROE was not disclosed in the Order or the applicable settlement agreement. e) The equity ratio listed is the Company's view of the equity ratio allowed in the case; the actual equity ratio was not disclosed in the Order or the applicable settlement agreement. f) Interim rates were effective May 1, 2024 and received final Order February 24, 2025. g) The Rate Base and Effective date are based off of Year 1 of the rate case. Annual adjustments are made for Year 2 and 3 which reflect authorized capital improvements for Rate Base and inflationary adjustments for O&M. Regulatory Information