Aon Reports Third Quarter 2025 Results

, /PRNewswire/ -- Aon plc (NYSE: AON) today reported results for the three months ended September 30, 2025. Aon delivered another quarter of strong performance, including 7% total revenue growth and 7% organic revenue growth. We continue to execute our Aon United strategy through the 3x3 Plan to meet client demand The innovation at scale we are delivering through Aon Business Services is enabling us to invest to drive sustainable top-line growth, while simultaneously expanding margins Our year-to-date performance reinforces our confidence in achieving our full-year 2025 financial guidance Three Months Ended September 30, Nine Months Ended September 30, 2025 2024 Change 2025 2024 Change Total revenue $3,997 $3,721 7 % $12,881 $11,551 12 % Organic revenue growth (Non-GAAP) 7 % 6 % Operating income $816 $623 31 % $3,136 $2,744 14 % Adjusted operating income (Non-GAAP) $1,051 $915 15 % $4,038 $3,559 13 % Operating margin 20.4 % 16.7 % 24.3 % 23.8 % Adjusted operating margin (Non-GAAP) 26.3 % 24.6 % 31.3 % 30.8 % Diluted EPS $2.11 $1.57 34 % $9.21 $9.20 — % Adjusted EPS (Non-GAAP) $3.05 $2.72 12 % $12.22 $11.16 9 % Cash provided by operations $1,148 $1,013 13 % $2,084 $1,835 14 % Free cash flow (Non-GAAP) $1,079 $951 13 % $1,895 $1,672 13 % "Our Aon United strategy, accelerated through our 3x3 Plan, is delivering strong results. We are attracting top talent in high-growth areas, scaling our data analytics across our core Risk Capital and Human Capital businesses, expanding in the middle market and unlocking new sources of capital," said Greg Case, president and CEO. "We are executing with discipline and increasing the value we deliver to our clients – winning in existing markets, creating demand in emerging areas and innovating unique capital solutions." "Our strong capital position, fueled by robust cash generation and disciplined portfolio management, enables us to execute our capital allocation model – balancing high-return investment for future growth and capital return to shareholders," Case added. "We remain confident in achieving our full-year 2025 financial targets and are well positioned to deliver sustainable growth in 2026 and beyond." Net income attributable to Aon shareholders increased 34%, to $2.11 per share on a diluted basis, compared to $1.57 per share on a diluted basis, in the prior year period. Adjusted net income per share attributable to Aon shareholders increased 12% to $3.05 on a diluted basis compared to $2.72 in the prior year period. Certain items that impacted third quarter results and comparisons with the prior year period are detailed in "Reconciliation of Non-GAAP Measures - Operating Income, Operating Margin and Diluted Earnings Per Share" on page 11 of this press release. THIRD QUARTER 2025 FINANCIAL SUMMARY Total revenue in the third quarter increased 7% to $4.0 billion compared to the prior year period, reflecting 7% organic revenue growth and a 1% favorable impact from foreign currency translation, partially offset by a 1% unfavorable impact from acquisitions, divestitures and other items. Risk Capital revenue increased $170 million, or 7%, to $2.5 billion and Human Capital revenue increased $106 million, or 8%, to $1.5 billion. Total operating expenses in the third quarter increased 3% to $3.2 billion compared to the prior year period due primarily to an increase in expense associated with 7% organic revenue growth and an unfavorable impact from FX, partially offset by lower Accelerating Aon United program expenses, $35 million of net restructuring savings and a reduction in integration costs related to NFP. Risk Capital operating expenses increased $146 million, or 8%, to $1.9 billion and Human Capital operating expenses decreased $24 million, or 2%, to $1.1 billion. Foreign currency translation had a de minimis impact on EPS in the third quarter. If currency were to remain stable at today's rates, the Company would expect a de minimis impact on adjusted EPS for full year 2025. Effective tax rate was 21.3% in the third quarter compared to 20.9% in the prior year period. After adjusting to exclude the applicable tax impact associated with certain non-GAAP adjustments, the adjusted effective tax rate for the third quarter of 2025 was 19.2% compared to 18.0% in the prior year period. The primary drivers of the change in the effective tax rate and adjusted effective tax rate were changes in the geographical distribution of income and a lower favorable impact from discrete items. Weighted average diluted shares outstanding decreased to 216.7 million in the third quarter compared to 218.4 million in the prior year period. The Company repurchased 0.7 million class A ordinary shares for approximately $250 million in the third quarter. As of September 30, 2025, the Company had approximately $1.6 billion of remaining authorization under its share repurchase program. YEAR TO DATE 2025 CASH FLOW SUMMARY Cash flows provided by operations for the first nine months of 2025 increased $249 million, or 14%, to $2.1 billion compared to the prior year period, primarily due to strong adjusted operating income growth and lower NFP-related transaction costs, partially offset by higher payments related to incentive compensation, interest and restructuring. Free cash flow, defined as cash flow from operations less capital expenditures, increased 13%, to $1.9 billion for the first nine months of 2025 compared to the prior year period, reflecting an increase in cash flows provided by operations, partially offset by a $26 million increase in capital expenditures. THIRD QUARTER 2025 REVENUE REVIEW The third quarter revenue reviews provided below include supplemental information related to Organic revenue growth, which is a non-GAAP measure that is described in detail in "Reconciliation of Non-GAAP Measures - Organic Revenue Growth and Free Cash Flow" on page 10 of this press release. Three Months Ended September 30, (millions) 2025 2024 % Change Less: Currency Impact Less: Fiduciary Investment Income Less: Acquisitions, Divestitures & Other Organic Revenue Growth Risk Capital Revenue: Commercial Risk Solutions $ 1,988 $ 1,852 7 % 1 % — % (1) % 7 % Reinsurance Solutions 537 503 7 1 (1) (1) 8 Human Capital Revenue: Health Solutions 935 870 7 1 — — 6 Wealth Solutions 540 499 8 2 — 1 5 Eliminations (3) (3) N/A N/A N/A N/A N/A Total revenue $ 3,997 $ 3,721 7 % 1 % — % (1) % 7 % Total revenue increased $276 million, or 7%, to $4.0 billion, compared to the prior year period, reflecting 7% organic revenue growth and a 1% favorable impact from foreign currency translation, partially offset by a 1% unfavorable impact from acquisitions, divestitures and other items. Risk Capital revenue increased $170 million, or 7%, to $2.5 billion and Human Capital revenue increased $106 million, or 8%, to $1.5 billion. Risk Capital Commercial Risk Solutions Organic revenue growth of 7% reflects strong growth in North America and EMEA driven by net new business and ongoing strong retention. Performance was highlighted by strong growth in core P&C, including double-digit growth in the U.S. and strength in the middle market, as well as double-digit growth in both M&A services and construction. Market impact was modestly positive. Reinsurance Solutions Organic revenue growth of 8% reflects growth in treaty placements, driven by net new business and strong retention, partially offset by a modest unfavorable net market impact, and double-digit increases in both facultative placements and our Strategy and Technology Group. Insurance-linked securities had significant growth, though its overall contribution to growth was modest. Human Capital Health Solutions Organic revenue growth of 6% reflects strength in talent analytics and core health and benefits, driven by net new business, ongoing strong retention and positive market impact. Wealth Solutions Organic revenue growth of 5% reflects growth in Retirement driven by advisory work related to the ongoing impact of regulatory change and strong growth in Investments driven by strength in NFP as a result of net asset inflows and market performance. THIRD QUARTER 2025 EXPENSE REVIEW Three Months Ended September 30, (millions) 2025 2024 $ Change % Change Expenses Compensation and benefits $ 2,259 $ 2,150 $ 109 5 % Information technology 140 141 (1) (1) Premises 85 88 (3) (3) Depreciation of fixed assets 47 47 — — Amortization and impairment of intangible assets 193 174 19 11 Other general expense 425 429 (4) (1) Accelerating Aon United Program expenses 32 69 (37) (54) Total operating expenses $ 3,181 $ 3,098 $ 83 3 % Compensation and benefits expense increased $109 million, or 5%, compared to the prior year period due primarily to expense associated with 7% organic revenue growth and the unfavorable impact of FX, partially offset by savings from Accelerating Aon United restructuring actions. Information technology expense decreased $1 million, or 1%, compared to the prior year period. Premises expense decreased $3 million, or 3%, compared to the prior year period due primarily to ongoing efforts to optimize our real estate footprint and savings from Accelerating Aon United restructuring actions. Depreciation of fixed assets was flat compared to the prior year period. Amortization and impairment of intangible assets increased $19 million, or 11%, compared to the prior year period due primarily to an increase in intangible assets related to acquisitions completed during the year. Other general expense decreased $4 million, or 1%, compared to the prior year period due primarily to lower transaction and integration-related costs and the favorable impact of legal settlements and recoveries, partially offset by an increase in expense associated with 7% organic revenue growth. Accelerating Aon United Restructuring Program expense decreased $37 million, or 54%, compared to the prior year period due to lower costs related to workforce optimization. THIRD QUARTER 2025 INCOME SUMMARY Certain noteworthy items impacted adjusted operating income and Adjusted operating margin in the third quarters of 2025 and 2024, which are also described in detail in "Reconciliation of Non-GAAP Measures - Operating Income, Operating Margin and Diluted Earnings Per Share" on page 11 of this press release. Three Months Ended September 30, (millions) 2025 2024 % Change Revenue $ 3,997 $ 3,721 7 % Expenses 3,181 3,098 3 % Operating income $ 816 $ 623 31 % Operating margin 20.4 % 16.7 % Adjusted operating income $ 1,051 $ 915 15 % Adjusted operating margin 26.3 % 24.6 % Operating income increased $193 million and operating margin increased 370 basis points to 20.4%, each compared to the prior year period. Adjusted operating income increased $136 million, or 15%, and Adjusted operating margin increased 170 basis points to 26.3%, each compared to the prior year period. The increase in adjusted operating income reflects organic revenue growth, scale efficiencies driven by ABS and net restructuring savings, partially offset by increased expenses associated with 7% organic revenue growth and investments in long-term growth. Interest income was negligible in the third quarter and decreased $4 million compared to the prior year period. Interest expense decreased $7 million compared to the prior year period, reflecting lower total debt. Other expense was $13 million compared to other income of $35 million in the prior year period and Adjustedother expense was $13 million compared to Adjusted other income of $33 million in the prior year period, both primarily due to gains related to the sale of businesses in the prior year period and an increase in non-cash pension expense, partially offset by the favorable impact of exchange rates on the remeasurement of assets and liabilities in non-functional currencies. Net income attributable to Aon shareholders increased 34% to $458 million compared to $343 million in the prior year period. Adjusted net income attributable to Aon shareholders increased 11% to $660 million compared to $594 million in the prior year period. Conference Call, Presentation Slides, and Webcast Details The Company will host a conference call on Friday, October 31, 2025 at 7:30 a.m., central time. Interested parties can listen to the conference call via a live audio webcast and view the presentation slides at ir.aon.com. About Aon Aon plc (NYSE: AON) exists to shape decisions for the better — to protect and enrich the lives of people around the world. Through actionable analytic insight, globally integrated Risk Capital and Human Capital expertise, and locally relevant solutions, our colleagues provide clients in over 120 countries with the clarity and confidence to make better risk and people decisions that protect and grow their businesses. Follow Aon on LinkedIn, X, Facebook, and Instagram. Stay up to date by visiting the Aon Newsroom and sign up for News Alerts Safe Harbor Statement This communication contains certain statements related to future results, or states Aon's intentions, beliefs and expectations or predictions for the future, all of which are forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from either historical or anticipated results depending on a variety of factors. These forward-looking statements include information about possible or assumed future results of Aon's operations. All statements, other than statements of historical facts, that address activities, events or developments that Aon expects or anticipates may occur in the future, including such things as our outlook, market and industry conditions, including competitive and pricing trends, the development and performance of our services and products, our cost structure and the outcome of cost-saving or restructuring initiatives, including the impacts of the Accelerating Aon United Program, the integration of NFP, actual or anticipated legal settlement expenses, future capital expenditures, growth in commissions and fees, changes to the composition or level of our revenues, cash flow and liquidity, expected tax rates, expected foreign currency translation impacts, business strategies, competitive strengths, goals, the benefits of new initiatives, growth of our business and operations, plans, references to future successes, and expectations with respect to the benefits of the acquisition of NFP are forward-looking statements. Also, when Aon uses words such as "anticipate", "believe", "continue", "could", "estimate", "expect", "forecast", "intend", "looking forward", "may", "might", "plan", "potential", "opportunity", "commit", "probably", "project", "positioned", "should", "will", "would" or similar expressions, it is making forward-looking statements. The following factors, among others, could cause actual results to differ from those set forth in or anticipated by the forward looking statements: changes in the competitive environment, due to macroeconomic conditions or otherwise, or damage to Aon's reputation; fluctuations in currency exchange, interest, or inflation rates that could impact our financial condition or results; changes in global equity and fixed income markets that could affect the return on invested assets; changes in the funded status of Aon's various defined benefit pension plans and the impact of any increased pension funding resulting from those changes; the level of Aon's debt and the terms thereof reducing Aon's flexibility or increasing borrowing costs; rating agency actions that could limit Aon's access to capital and our competitive position; volatility in Aon's global tax rate due to being subject to a variety of different factors, including the adoption and implementation in the European Union, the United States, the United Kingdom, or other countries of the Organization for Economic Co-operation and Development tax proposals or other pending proposals in those and other countries, which could create volatility in that tax rate; changes in Aon's accounting estimates or assumptions on Aon's financial statements; limits on Aon's subsidiaries' ability to pay dividends or otherwise make payments to Aon; the impact of legal proceedings and other contingencies, including those arising from acquisition or disposition transactions, errors and omissions and other claims against Aon (including proceeding and contingencies relating to transactions for which capital was arranged by Vesttoo Ltd. or related to actions we may take in being responsible for making decisions on behalf of clients in our investment business or in other advisory services that we currently provide, or may provide in the future); the impact of, and potential challenges in complying with, laws and regulations in the jurisdictions in which Aon operates, particularly given the global nature of Aon's operations and the possibility of differing or conflicting laws and regulations, or the application or interpretation thereof, across jurisdictions in which Aon does business; the impact of any regulatory investigations brought in Ireland, the U.K., the U.S. and other countries; failure to protect intellectual property rights or allegations that Aon infringes on the intellectual property rights of others; general economic and political conditions in different countries in which Aon does business around the world; the failure to retain, attract and develop experienced and qualified personnel; international risks associated with our global operations, including geopolitical conflicts, tariffs, or changes in trade policies; the effects of natural or human-caused disasters, including the effects of health pandemics and the impacts of climate related events; any system or network disruption or breach resulting in operational interruption or improper disclosure of confidential, personal, or proprietary data, and resulting liabilities or damage to our reputation; Aon's ability to develop, implement, update and enhance new technology; the actions taken by third parties that perform aspects of Aon's business operations and client services; Aon's ability to continue, and the costs and risks associated with, growing, developing and integrating acquired business, and entering into new lines of business or products; Aon's ability to secure regulatory approval and complete transactions, and the costs and risks associated with the failure to consummate proposed transactions; changes in commercial property and casualty markets, commercial premium rates or methods of compensation; Aon's ability to develop and implement innovative growth strategies and initiatives intended to yield cost savings (including the Accelerating Aon United Program), and the ability to achieve such growth or cost savings; the effects of Irish law on Aon's operating flexibility and the enforcement of judgments against Aon; adverse effects on the market price of Aon's securities and/or operating results for any reason, including, without limitation, because of a failure to realize the expected benefits of the acquisition of NFP (including anticipated revenue and growth synergies) in the expected timeframe, or at all; and significant integration costs or difficulties in connection with the acquisition of NFP or unknown or inestimable liabilities. Any or all of Aon's forward-looking statements may turn out to be inaccurate, and there are no guarantees about Aon's performance. The factors identified above are not exhaustive. Aon and its subsidiaries operate in a dynamic business environment in which new risks may emerge frequently. Accordingly, you should not place undue reliance on forward-looking statements, which speak only as of the dates on which they are made. In addition, results for prior periods are not necessarily indicative of results that may be expected for any future period. Further information concerning Aon and its businesses, including factors that could materially affect Aon's financial results, is contained in Aon's filings with the SEC. See Aon's Annual Report on Form 10-K for the year ended December 31, 2024 for a further discussion of these and other risks and uncertainties applicable to Aon and its businesses. These factors may be revised or supplemented in subsequent reports filed with the SEC. Aon is not under, and expressly disclaims, any obligation to update or alter any forward-looking statement that it may make from time to time, whether as a result of new information, future events or otherwise. Explanation of Non-GAAP Measures This communication includes supplemental information not calculated in accordance with generally accepted accounting principles in the United States ("U.S. GAAP"), including Organic revenue growth, free cash flow, adjusted operating income, adjusted operating margin, adjusted earnings per share (EPS), adjusted net income attributable to Aon shareholders, adjusted diluted net income per share, adjusted effective tax rate, adjusted other income (expense), and adjusted income before income taxes that exclude the effects of intangible asset amortization and impairment, Accelerating Aon United Program expenses, contingent consideration, NFP transaction and integration costs, certain pension settlements, capital expenditures, and certain other noteworthy items that affected results for the comparable periods. Organic revenue growth includes the impact of intercompany activity and excludes foreign exchange rate changes, acquisitions (provided that Organic revenue growth includes Organic growth of an acquired business as calculated assuming that the acquired business was part of the combined company for the same proportion of the relevant prior year period), divestitures (including held for sale disposal groups, which are adjusted from Organic revenue growth upon classification as held for sale, if any), transfers between revenue lines, fiduciary investment income, and gains or losses on derivatives accounted for as hedges. Currency impact represents the effect on prior year period results if they were translated at current period foreign exchange rates. Reconciliations to the closest U.S. GAAP measure for each non-GAAP measure presented in this communication are provided in the attached appendices. Supplemental Organic revenue growth information and additional measures that exclude the effects of certain items noted above do not affect net income or any other U.S. GAAP reported amounts. Free cash flow is cash flows from operating activity less capital expenditures. The adjusted effective tax rate excludes the applicable tax impact associated with adjustments previously described, generally at the estimated annual effective tax rate or jurisdictional rate, where appropriate. Beginning in the third quarter of 2024, the adjusted effective tax rate also excludes interest accruals for income tax reserves related to the termination fee payment made in connection with the Company's terminated proposed combination with Willis Towers Watson. Management believes that these measures are important to make meaningful period-to-period comparisons and that this supplemental information is helpful to investors. Management also uses these measures to assess operating performance and performance for compensation. Non-GAAP measures should be viewed in addition to, not in lieu of, Aon's Condensed Consolidated Financial Statements. Industry peers provide similar supplemental information regarding their performance, although they may not make identical adjustments. Investor Contact: Media Contact: Hallie Miller Will Dunn +1 847 442 0622 Toll-free (U.S., Canada and Puerto Rico): +1 833 751 8114 [email protected] International: +1 312 381 3024 [email protected] Aon plc Condensed Consolidated Statements of Income (Unaudited) Three Months Ended September 30, Nine Months Ended September 30, (millions, except per share data) 2025 2024 % Change 2025 2024 % Change Revenue Total revenue $ 3,997 $ 3,721 7 % $ 12,881 $ 11,551 12 % Expenses Compensation and benefits 2,259 2,150 5 % 6,868 6,163 11 % Information technology 140 141 (1) % 412 397 4 % Premises 85 88 (3) % 252 241 5 % Depreciation of fixed assets 47 47 — % 140 136 3 % Amortization and impairment of intangible assets 193 174 11 % 593 318 86 % Other general expense 425 429 (1) % 1,244 1,232 1 % Accelerating Aon United Program expenses 32 69 (54) % 236 320 (26) % Total operating expenses 3,181 3,098 3 % 9,745 8,807 11 % Operating income 816 623 31 % 3,136 2,744 14 % Interest income — 4 (100) % 5 63 (92) % Interest expense (206) (213) (3) % (624) (582) 7 % Other income (expense) (13) 35 (137) % 33 346 (90) % Income before income taxes 597 449 33 % 2,550 2,571 (1) % Income tax expense (1) 127 94 35 % 504 585 (14) % Net income 470 355 32 % 2,046 1,986 3 % Less: Net income attributable to redeemable and nonredeemable noncontrolling interests 12 12 — % 44 48 (8) % Net income attributable to Aon shareholders $ 458 $ 343 34 % $ 2,002 $ 1,938 3 % Basic net income per share attributable to Aon shareholders $ 2.12 $ 1.58 34 % $ 9.26 $ 9.24 — % Diluted net income per share attributable to Aon shareholders $ 2.11 $ 1.57 34 % $ 9.21 $ 9.20 — % Weighted average ordinary shares outstanding - basic 215.7 217.4 (1) % 216.1 209.7 3 % Weighted average ordinary shares outstanding - diluted 216.7 218.4 (1) % 217.3 210.6 3 % (1) The effective tax rate was 21.3% and 20.9% for the three months ended September 30, 2025 and 2024, respectively, and 19.8% and 22.8% for the nine months ended September 30, 2025 and 2024, respectively. Aon plc Segment Results (Unaudited) Three Months Ended September 30, Risk Capital Human Capital Corporate/Eliminations (1) Total Consolidated 2025 2024 2025 2024 2025 2024 2025 2024 Revenue Total revenue $ 2,525 $ 2,355 $ 1,475 $ 1,369 $ (3) $ (3) $ 3,997 $ 3,721 Expenses Compensation and benefits 1,455 1,368 776 740 28 42 2,259 2,150 Information technology 94 93 44 47 2 1 140 141 Premises 56 57 28 31 1 — 85 88 Other expenses (2) 335 276 295 349 67 94 697 719 Total operating expenses 1,940 1,794 1,143 1,167 98 137 3,181 3,098 Operating income $ 585 $ 561 $ 332 $ 202 $ (101) $ (140) $ 816 $ 623 Operating margin 23.2 % 23.8 % 22.5 % 14.8 % 20.4 % 16.7 % Nine Months Ended September 30, Risk Capital Human Capital Corporate/Eliminations (1) Total Consolidated 2025 2024 2025 2024 2025 2024 2025 2024 Revenue Total revenue $ 8,582 $ 7,980 $ 4,311 $ 3,597 $ (12) $ (26) $ 12,881 $ 11,551 Expenses Compensation and benefits 4,457 4,112 2,346 1,977 65 74 6,868 6,163 Information technology 272 275 134 121 6 1 412 397 Premises 162 161 87 80 3 — 252 241 Other expenses (2) 1,045 902 892 740 276 364 2,213 2,006 Total operating expenses 5,936 5,450 3,459 2,918 350 439 9,745 8,807 Operating income $ 2,646 $ 2,530 $ 852 $ 679 $ (362) $ (465) $ 3,136 $ 2,744 Operating margin 30.8 % 31.7 % 19.8 % 18.9 % 24.3 % 23.8 % (1) Corporate expenses/eliminations include governance costs, post-retirement benefits, and other costs that are not directly attributable to a specific segment. (2) Includes expenses related to Depreciation of fixed assets, Amortization and impairment of intangible assets, Accelerating Aon United Program expenses, and Other general expenses. Aon plc Reconciliation of Non-GAAP Measures - Organic Revenue Growth and Free Cash Flow (Unaudited) Organic Revenue Growth (Unaudited) Three Months Ended September 30, 2025 2024 % Change Less: Currency Impact (1) Less: Fiduciary Investment Income (2) Less: Acquisitions, Divestitures & Other Organic Revenue Growth (3) Risk Capital Revenue: Commercial Risk Solutions $ 1,988 $ 1,852 7 % 1 % — % (1) % 7 % Reinsurance Solutions 537 503 7 1 (1) (1) 8 Human Capital Revenue: Health Solutions 935 870 7 1 — — 6 Wealth Solutions 540 499 8 2 — 1 5 Eliminations (3) (3) N/A N/A N/A N/A N/A Total revenue $ 3,997 $ 3,721 7 % 1 % — % (1) % 7 % Nine Months Ended September 30, 2025 2024 % Change Less: Currency Impact (1) Less: Fiduciary Investment Income (2) Less: Acquisitions, Divestitures & Other Organic Revenue Growth (3) Risk Capital Revenue: Commercial Risk Solutions $ 6,168 $ 5,675 9 % — % — % 3 % 6 % Reinsurance Solutions 2,414 2,305 5 — (1) 1 5 Human Capital Revenue: Health Solutions 2,733 2,265 21 — — 15 6 Wealth Solutions 1,578 1,332 18 1 — 12 5 Eliminations (12) (26) N/A N/A N/A N/A N/A Total revenue $ 12,881 $ 11,551 12 % — % — % 6 % 6 % (1) Currency impact represents the effect on prior year period results if they were translated at current period foreign exchange rates. (2) Fiduciary investment income for the three months ended September 30, 2025 and 2024 was $75 million and $85 million, respectively. Fiduciary investment income for the nine months ended September 30, 2025 and 2024 was $208 million and $239 million, respectively. (3) Organic revenue growth includes the impact of certain intercompany activity and excludes the impact of changes in foreign exchange rates, fiduciary investment income, acquisitions (provided that Organic revenue growth includes Organic growth of an acquired business as calculated assuming that the acquired business was part of the combined company for the same proportion of the relevant prior year period), divestitures and held for sale disposal groups (including a significant majority of NFP's Wealth business, which is adjusted from Organic revenue growth upon classification as held for sale in September), transfers between revenue lines, and gains or losses on derivatives accounted for as hedges. Free Cash Flow (Unaudited) Three Months Ended September 30, (millions) 2025 2024 % Change Cash Provided by Operating Activities $ 1,148 $ 1,013 13 % Capital Expenditures (69) (62) 11 % Free Cash Flow (1) $ 1,079 $ 951 13 % Nine Months Ended September 30, (millions) 2025 2024 % Change Cash Provided by Operating Activities $ 2,084 $ 1,835 14 % Capital Expenditures (189) (163) 16 % Free Cash Flow (1) $ 1,895 $ 1,672 13 % (1) Free cash flow is defined as cash flows from operations less capital expenditures. This non-GAAP measure does not imply or represent a precise calculation of residual cash flow available for discretionary expenditures. Aon plc Reconciliation of Non-GAAP Measures - Operating Income and Operating Margin (Unaudited) (1) Three Months Ended September 30, Risk Capital Human Capital Corporate/Eliminations (2) Total Consolidated (millions, except percentages) 2025 2024 2025 2024 2025 2024 2025 2024 Revenue $ 2,525 $ 2,355 $ 1,475 $ 1,369 $ (3) $ (3) $ 3,997 $ 3,721 Operating income $ 585 $ 561 $ 332 $ 202 $ (101) $ (140) $ 816 $ 623 Amortization and impairment of intangible assets 89 70 104 104 — — 193 174 Change in the fair value of contingent consideration 10 3 13 11 — — 23 14 Accelerating Aon United Program expenses (3) (3) 11 (1) 3 36 55 32 69 Legal settlements (4) (23) — — — — — (23) — Transaction and integration costs (5)(6) 3 3 2 25 5 7 10 35 Adjusted operating income $ 661 $ 648 $ 450 $ 345 $ (60) $ (78) $ 1,051 $ 915 Operating margin 23.2 % 23.8 % 22.5 % 14.8 % 20.4 % 16.7 % Adjusted operating margin 26.2 % 27.5 % 30.5 % 25.2 % 26.3 % 24.6 % Nine Months Ended September 30, Risk Capital Human Capital Corporate/Eliminations (2) Total Consolidated (millions, except percentages) 2025 2024 2025 2024 2025 2024 2025 2024 Revenue $ 8,582 $ 7,980 $ 4,311 $ 3,597 $ (12) $ (26) $ 12,881 $ 11,551 Operating income $ 2,646 $ 2,530 $ 852 $ 679 $ (362) $ (465) $ 3,136 $ 2,744 Amortization and impairment of intangible assets 259 135 334 183 — — 593 318 Change in the fair value of contingent consideration 7 6 23 26 — — 30 32 Accelerating Aon United Program expenses (3) 48 103 9 26 179 191 236 320 Legal settlements (4) (23) — — — — — (23) — Transaction and integration costs (5)(6) 17 6 23 43 26 96 66 145 Adjusted operating income $ 2,954 $ 2,780 $ 1,241 $ 957 $ (157) $ (178) $ 4,038 $ 3,559 Operating margin 30.8 % 31.7 % 19.8 % 18.9 % 24.3 % 23.8 % Adjusted operating margin 34.4 % 34.8 % 28.8 % 26.6 % 31.3 % 30.8 % (1) Certain noteworthy items impacting operating income in the three and nine months ended September 30, 2025 and 2024 are described in this schedule. The items shown with the caption "adjusted" are non-GAAP measures. (2) Corporate expenses/eliminations include governance costs, post-retirement benefits, and other costs that are not directly attributable to a specific segment. (3) Total charges include technology-related costs to facilitate streamlining and simplifying operations, headcount reduction costs, and costs associated with asset impairments, including real estate consolidation. (4) In the fourth quarter of 2023, Aon recognized a $197 million charge in connection with transactions for which capital was arranged by a third party, Vesttoo Ltd., and in the third quarter of 2025, certain legal settlement expenses and recoveries were recognized resulting in a $23 million reduction of expense within the Risk Capital segment. (5) Transaction costs include advisory, legal, accounting, regulatory, and other professional or consulting fees required to complete the NFP Transaction. No transaction costs were recognized for the three and nine months ended September 30, 2025. Less than $1 million of transaction costs were recognized for the three months ended September 30, 2024. For the nine months ended September 30, 2024, $90 million of transaction costs were recognized in Total operating expenses and $6 million were recognized in Other income (expense) related to the extinguishment of acquired NFP debt. (6) The NFP Transaction has and will continue to result in certain non-recurring integration costs associated with colleague severance, retention bonus awards, termination of redundant third-party agreements, costs associated with legal entity rationalization, and professional or consulting fees related to alignment of management processes and controls, as well as costs associated with the assessment of NFP information technology environment and security protocols. Aon incurred $10 million and $35 million of integration costs in the three months ended September 30, 2025 and 2024, respectively, and $66 million and $55 million of integration costs in the nine months ended September 30, 2025 and 2024, respectively. Aon plc Reconciliation of Non-GAAP Measures - Diluted Earnings Per Share (Unaudited) (1) Three Months Ended September 30, Nine Months Ended September 30, (millions, except percentages) 2025 2024 % Change 2025 2024 % Change Adjusted operating income $ 1,051 $ 915 15 % $ 4,038 $ 3,559 13 % Interest income — 4 (100) % 5 63 (92) % Interest expense (206) (213) (3) % (624) (582) 7 % Other income (expense): Other income (expense) - pensions (21) (14) 50 % (65) (35) 86 % Adjusted other income (expense) - other (2)(3)(4) 8 47 (83) % (10) 46 (122) % Adjusted other income (expense) (13) 33 (139) % (75) 11 (782) % Adjusted income before income taxes 832 739 13 % 3,344 3,051 10 % Adjusted income tax expense (5) 160 133 20 % 645 652 (1) % Adjusted net income 672 606 11 % 2,699 2,399 13 % Less: Net income attributable to redeemable and nonredeemable noncontrolling interests 12 12 — % 44 48 (8) % Adjusted net income attributable to Aon shareholders $ 660 $ 594 11 % $ 2,655 $ 2,351 13 % Adjusted diluted net income per share attributable to Aon shareholders $ 3.05 $ 2.72 12 % $ 12.22 $ 11.16 9 % Weighted average ordinary shares outstanding - diluted 216.7 218.4 (1) % 217.3 210.6 3 % Effective tax rates (5) U.S. GAAP 21.3 % 20.9 % 19.8 % 22.8 % Non-GAAP 19.2 % 18.0 % 19.3 % 21.4 % (1) Certain noteworthy items impacting diluted net income per share in the three and nine months ended September 30, 2025 and 2024 are described in this schedule. The items shown with the caption "adjusted" are non-GAAP measures. (2) For the three months ended September 30, 2025, Other expense was $13 million compared to Other income of $35 million for the three months ended September 30, 2024. For the nine months ended September 30, 2025 and 2024, Other income was $33 million and $346 million, respectively. Adjusted other expense for the three months ended September 30, 2025 was $13 million compared to Adjusted other income of $33 million for three months ended September 30, 2024. Adjusted other expense for the nine months ended September 30, 2025 was $75 million compared to Adjusted other income of $11 million for the nine months ended September 30, 2024. Adjusted other expense excluded gains related to deferred consideration from the affiliates of The Blackstone Group L.P. and the other designated purchasers related to a divestiture completed in a prior year period. During the nine months ended September 30, 2025, a gain of $108 million was recognized, which was all recognized in the first six months of 2025. During the three and nine months ended September 30, 2024, a $2 million and $84 million gain was recognized, respectively. (3) Adjusted Other income (expense) excluded gains from dispositions of $257 million related to the sale of a business for the nine months ended September 30, 2024. (4) Adjusted Other income (expense) excluded approximately $6 million of debt extinguishment charges related to the repayment of NFP debt, which is considered a transaction related cost incurred in the second quarter of 2024. (5) Adjusted items are generally taxed at the estimated annual effective tax rate, except for the applicable tax impact associated with changes in the fair value of contingent consideration, certain legal settlements, Accelerating Aon United Program expenses, certain transaction and integration costs related to the acquisition of NFP, certain gains from dispositions, and deferred consideration from a prior year sale of business, which are adjusted at the related jurisdictional rate. The tax adjustment also excludes interest accruals for income tax reserves related to the termination fee payment made in connection with the Company's terminated proposed combination with Willis Towers Watson. Aon plc Condensed Consolidated Statements of Financial Position As of (Unaudited) (millions) September 30, 2025 December 31, 2024 Assets Current assets Cash and cash equivalents $ 1,095 $ 1,085 Short-term investments 207 219 Receivables, net 4,276 3,803 Fiduciary assets (1) 18,781 17,566 Other current assets 2,210 759 Total current assets 26,569 23,432 Goodwill 15,704 15,234 Intangible assets, net 5,827 6,743 Fixed assets, net 684 637 Operating lease right-of-use assets 681 711 Deferred tax assets 855 654 Prepaid pension 588 556 Other non-current assets 729 998 Total assets $ 51,637 $ 48,965 Liabilities, redeemable noncontrolling interests, and equity Liabilities Current liabilities Accounts payable and accrued liabilities $ 2,398 $ 2,905 Short-term debt and current portion of long-term debt 1,735 751 Fiduciary liabilities 18,781 17,566 Other current liabilities 2,189 1,773 Total current liabilities 25,103 22,995 Long-term debt 15,055 16,265 Non-current operating lease liabilities 651 685 Deferred tax liabilities 361 319 Pension, other postretirement, and postemployment liabilities 1,052 1,127 Other non-current liabilities 1,216 1,144 Total liabilities 43,438 42,535 Redeemable noncontrolling interests 85 125 Equity Ordinary shares - $0.01 nominal value Authorized: 500 shares (issued: 2025 - 215.2 ; 2024 - 216.0) 2 2 Additional paid-in capital 13,379 13,173 Accumulated deficit (1,527) (2,309) Accumulated other comprehensive loss (3,915) (4,745) Total Aon shareholders' equity 7,939 6,121 Nonredeemable noncontrolling interests 175 184 Total equity 8,114 6,305 Total liabilities, redeemable noncontrolling interests and equity $ 51,637 $ 48,965 (1) Includes cash and short-term investments of $8.4 billion and $7.2 billion as of September 30, 2025 and December 31, 2024, respectively. Aon plc Condensed Consolidated Statements of Cash Flows (Unaudited) Nine Months Ended September 30, (millions) 2025 2024 Cash flows from operating activities Net income $ 2,046 $ 1,986 Adjustments to reconcile net income to cash provided by operating activities: Gain from sales of businesses (1) (333) Depreciation of fixed assets 140 136 Amortization and impairment of intangible assets 593 318 Share-based compensation expense 372 361 Deferred income taxes (236) (146) Other, net (116) (126) Change in assets and liabilities: Receivables, net (342) (384) Accounts payable and accrued liabilities (543) (36) Accelerating Aon United Program liabilities (29) 43 Current income taxes (141) (119) Pension, other postretirement and postemployment liabilities (17) (25) Other assets and liabilities 358 160 Cash provided by operating activities 2,084 1,835 Cash flows from investing activities Proceeds from investments 114 186 Purchases of investments (139) (136) Net purchases of short-term investments - non fiduciary 16 182 Acquisition of businesses, net of cash and funds held on behalf of clients (276) (3,011) Sale of businesses, net of cash and funds held on behalf of clients 112 686 Capital expenditures (189) (163) Cash used for investing activities (362) (2,256) Cash flows from financing activities Share repurchase (750) (800) Proceeds from issuance of shares 60 61 Cash paid for employee taxes on withholding shares (201) (190) Commercial paper issuances, net of repayments 376 (591) Issuance of debt — 7,926 Repayment of debt (700) (4,878) Increase in fiduciary liabilities, net of fiduciary receivables 706 609 Cash dividends to shareholders (468) (416) Redeemable and nonredeemable noncontrolling interests, and other financing activities (164) (156) Cash provided by (used for) financing activities (1,141) 1,565 Effect of exchange rates on cash and cash equivalents and funds held on behalf of clients 606 177 Net increase in cash and cash equivalents and funds held on behalf of clients 1,187 1,321 Cash, cash equivalents and funds held on behalf of clients at beginning of period 8,333 7,722 Cash, cash equivalents and funds held on behalf of clients at end of period $ 9,520 $ 9,043 Reconciliation of cash and cash equivalents and funds held on behalf of clients: Cash and cash equivalents $ 1,095 $ 1,103 Cash and cash equivalents and funds held on behalf of clients classified as held for sale 34 — Funds held on behalf of clients 8,391 7,940 Total cash and cash equivalents and funds held on behalf of clients $ 9,520 $ 9,043 SOURCE Aon Corporation WANT YOUR COMPANY'S NEWS FEATURED ON PRNEWSWIRE.COM? 440k+ Newsrooms & Influencers 9k+ Digital Media Outlets 270k+ Journalists Opted In

Aon Reports Third Quarter 2025 Results

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