B3 S A Brasil Bolsa Balcão : Notice to the Market - Operational Highlights - March 2026

About this update from B3 Sa - Brasil, Bolsa, Balcao

B3 S.A. - Brasil, Bolsa, Balcão CNPJ nº 09.346.601/0001-25 NIRE 35.300.351.452 NOTICE TO THE MARKET B3 releases its March 2026 operational highlights Additional information is available on B3's IR website . Markets Mar/26 Mar/25 Var. % Feb/26 Var. % Derivatives - Average Daily Volume (thousand) Interest Rates in BRL 10,155 5,313 91.1% 5,524 83.8% Stock Indices 4,357 2,743 58.9% 3,707 17.5% FX Rates 1,129 888 27.2% 894 26.3% Interest Rates in USD and Other Currencies 442 322 37.2% 384 15.3% Commodities 45 34 32.0% 33 36.3% Future of Cryptoassets 498 2,409 -79.3% 655 -24.0% Total Derivatives 16,627 11,709 42.0% 11,196 48.5% Average Revenue per Contract (R$) Interest Rates in BRL 0.670 0.769 -12.9% 0.865 -22.5% Stock Indices 0.852 0.962 -11.5% 0.886 -3.8% FX Rates 4.614 5.830 -20.9% 5.027 -8.2% Interest Rates in USD and Other Currencies 2.095 2.684 -21.9% 1.925 8.8% Commodities 1.739 1.749 -0.6% 1.873 -7.1% Future of Cryptoassets 0.235 0.273 -14.0% 0.254 -7.3% RPC Derivatives - Total 1.013 1.152 -12.0% 1.208 -16.1% OTC Derivatives New Issuances (R$ billion) 2,151 1,276 68.6% 1,266 69.8% Outstanding Balance (R$ billion) 8,699 7,886 10.3% 8,419 3.3% Equities - Average Daily Traded Volume (R$ million) Cash Equities 35,359 24,137 46.5% 37,294 -5.2% Forward Market & Stock Futures 281 296 -5.2% 189 48.3% Options Market 1,660 714 132.6% 1,673 -0.8% Total Equities 37,300 25,147 48.3% 39,157 -4.7% Turnover Velocity (%) 166.1% 140.8% 2,528 bps 169.5% -343 bps Average Market Capitalization (R$ billion) 5,258 4,285 22.7% 5,434 -3.2% Fixed Income and Credit New Issuances (R$ billion) 2,374 2,013 17.9% 1,826 30.0% Outstanding Balance (R$ billion) 9,437 8,078 16.8% 9,313 1.3% Outstanding Balance - Treasury Direct (R$ billion) 221 151 46.5% 218 1.4% Securities Lending Open Interest (R$ billion) 225 157 43.6% 235 -4.3% Average Lender Rate (% p.a.) 0.763% 1.431% -67 bps 0.888% -13 bps Capital Market Solutions Mar/26 Mar/25 Var. % Feb/26 Var. % Depository for Cash Equities Number of Accounts in Depository 6,451,148 6,076,162 6.2% 6,383,709 1.1% Number of Individual Investors (CPFs) 5,623,833 5,288,140 6.3% 5,566,032 1.0% Data Analytics Solutions Mar/26 Mar/25 Var. % Feb/26 Var. % Vehicles Total Vehicles - Financed 702,701 550,670 27.6% 575,044 22.2% Total Vehicles - Credit Penetration 32.1% 34.8% -269 bps 33.1% -96 bps Technology and Platforms Mar/26 Mar/25 Var. % Feb/26 Var. % Technology OTC Utilization (number of participants) 24,028 22,594 6.3% 23,963 0.3% Market Support Platforms Funds - Outstanding Balance (R$ billion) 5,630 4,629 21.6% 5,566 1.1% São Paulo, April 15, 2026 André Veiga Milanez Chief Financial, Corporate and Investor Relations Officer Investor Relations +55 11 2565-6993 / 5308 / 7976 / 4129 I [email protected] INFORMAÇÃO PÚBLICA - PUBLIC INFORMATION

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