Alcon Q1 2023 Earnings Presentation

FY 2023 Outlook 2023 outlook ● Net sales (USD) Change vs. prior year (cc)¹ Core operating margin' Interest expense and OFI&E² 3 Core effective tax rate³ Core diluted EPS¹ Change vs. prior year (cc)¹ Assumptions: Markets grow at or slightly below historical averages in the second half of the year Exchange rates as of mid-April 2023 prevail through year-end Inflation and supply chain challenges continue through 2023 Approximately 497 million weighted-averaged diluted shares ● ● ● Alcon as of February 1 $9.2 to $9.4 billion +6% to +8% 19.5% to 20.5% $260 to $280 million 17% to 19% $2.55 to $2.65 as of May +16% to +20% $9.2 to $9.4 billion +7% to +9% 19.5% to 20.5% $245 to $255 million 17% to 19% $2.55 to $2.65 +20% to +24% Comments vs. February Maintain 1. Constant currency, core operating margin and core diluted EPS are non-IFRS measures. An explanation of non-IFRS measures can be found in the Appendix. 2. OFI&E: other financial income and expense. 3. Core effective tax rate, a non-IFRS measure, is the applicable annual tax rate on core taxable income. Increase Maintain Decrease Maintain Trending toward high end of range Increase 18

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