B3 Sa - Brasil, Bolsa, BalcaoBMFBOVESPA: B3SA3

Notice to the Market - Operational Highlights - March 2026

· Issued by 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 RI@B3.COM.BR

INFORMAÇÃO PÚBLICA - PUBLIC INFORMATION

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