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News from Aon Investor Relations Aon Reports Third Quarter 2021 Results ● AON Exhibit 99.1 Third Quarter Key Metrics Total revenue increased 13 % to $ 2.7 billion , including organic revenue growth of 12 % Operating margin decreased 4,810 basis points to ( 29.6 ) % , and operating margin , adjusted for certain items , decreased 30 basis points to 22.1 % , including a negative impact of 240 basis points from the repatterning of discretionary expenses as previously described EPS decreased to $ ( 3.99 ) , and EPS , adjusted for certain items , increased 14 % to $ 1.74 For the first nine months of 2021 , cash flows from operations decreased 38 % to $ 1,251 million , and free cash flow decreased 40 % to $ 1,149 million Third Quarter Highlights Announced the Aon United Growth Ownership Plan , enabling virtually all colleagues globally to share in the firm's current and future success Repurchased 4.4 million class A ordinary shares for approximately $ 1.3 billion DUBLIN - October 29 , 2021 - Aon plc ( NYSE : AON ) today reported results for the three months ended September 30 , 2021 . Net income ( loss ) attributable to Aon shareholders was $ ( 900 ) million , or $ ( 3.99 ) per share , compared to $ 275 million , or $ 1.18 per share , in the prior year period . Net income per share attributable to Aon shareholders , adjusted for certain items , increased 14 % to $ 1.74 , including a favorable impact of $ 0.02 per share if prior year period results were translated at current period foreign exchange rates ( “ foreign currency translation ” ) , compared to $ 1.53 in the prior year period . Certain items that impacted third quarter results and comparisons with the prior year period are detailed in the " Reconciliation of Non - GAAP Measures - Operating Income and Diluted Earnings Per Share " on page 10 of this press release . " In the third quarter , our team delivered outstanding results , including 12 % organic revenue growth translating into 14 % growth in adjusted earnings per share , " said Greg Case , Chief Executive Officer . " This performance is driven by great execution of our Aon United Blueprint and the work our colleagues do every day to ensure clients are better informed , better advised and able to make better decisions to protect and grow their businesses . Our focus on unmet client needs related to new forms of volatility , workforce resiliency , and access to capital make us more relevant to current clients and more capable of addressing a broader marketplace , positioning Aon to deliver substantial ongoing value to clients and shareholders . "