Financial Performance Summary Q1 2023

6 1923 Fixed Income & Data Services Performance in millions Revenues 1Q23 1Q22 % Chg Const Curr Fixed Income Execution $32 $15 106% 106% CDS Clearing 101 72 41% 42% Fixed Income Data & Analytics 276 277 -% ―% Other Data & Network Services 154 145 6% 8% Total Revenues $563 $509 11% 12% Recurring Revenues 430 422 2% 3% Transaction Revenues 133 87 53% 54% Adj. Operating Expenses $301 $305 (1)% Adj. Operating Income $262 $204 29% Adj. Operating Margin 47% 40% +7 pts Adjusted figures represent non-GAAP measures. Please refer to slides in the appendix for reconciliations to the equivalent GAAP measures. +12% Record total revenues, CC +10% Other data & network svCS ex-Euronext, CC +4% Recurring revenues ex-Euronext, CC

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