BSBR · Banco Santander (Brasil) S.A. · Insider Trading

The reported transaction represents the delivery of shares upon vesting and settlement of a long-term incentive award previously granted under the issuer's Long-Term Incentive Plan. No purchase of shares in the open market was involved.

Equivalent to R$29.36 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1789 per U.S.$1.00 as reported by Brazilian Central Bank on September 24, 2026.

Equivalent to R$29.44 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1789 per U.S.$1.00 as reported by Brazilian Central Bank on September 24, 2026.

Equivalent to R$29.64 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1155 per U.S.$1.00 as reported by Brazilian Central Bank on September 22, 2026.

Equivalent to R$29.64 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1155 per U.S.$1.00 as reported by Brazilian Central Bank on September 22, 2026.

Equivalent to R$30.32 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0956 per U.S.$1.00 as reported by Brazilian Central Bank on September 03, 2026.

Equivalent to R$ 29.90 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1999 per U.S.$1.00 as reported by Brazilian Central Bank on August 28, 2026.

Equivalent to R$ 29.97 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1999 per U.S.$1.00 as reported by Brazilian Central Bank on August 28, 2026.

Equivalent to R$29.70 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5,1637 per U.S.$1.00 as reported by Brazilian Central Bank on August 27, 2026.

Equivalent to R$29.58 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5,1637 per U.S.$1.00 as reported by Brazilian Central Bank on August 27, 2026.

Equivalent to R$29.49 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5,1484 per U.S.$1.00 as reported by Brazilian Central Bank on August 25, 2026.

Equivalent to R$29.69 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5,1484 per U.S.$1.00 as reported by Brazilian Central Bank on August 25, 2026.

Equivalent to R$29.59 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1853 per U.S.$1.00 as reported by Brazilian Central Bank on August 13, 2026.

Equivalent to R$29.62 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1853 per U.S.$1.00 as reported by Brazilian Central Bank on August 13, 2026.

Equivalent to R$29.43 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1279 per U.S.$1.00 as reported by Brazilian Central Bank on August 11, 2026.

Equivalent to R$29.43 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1279 per U.S.$1.00 as reported by Brazilian Central Bank on August 11, 2026.

Equivalent to R$29.49 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1011 per U.S.$1.00 as reported by Brazilian Central Bank on August 06, 2026.

Equivalent to R$29.09 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1047 per U.S.$1.00 as reported by Brazilian Central Bank on August 04, 2026.

Equivalent to R$29.09 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1047 per U.S.$1.00 as reported by Brazilian Central Bank on August 04, 2026.

Equivalent to R$29.09 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1047 per U.S.$1.00 as reported by Brazilian Central Bank on August 04, 2026.

Equivalent to R$27.13 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0424 per U.S.$1.00 as reported by Brazilian Central Bank on June 15, 2026.

Held indirectly by SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO - FUNDO DE INVESTIMENTO FINANCEIRO, which is wholly owned and controlled by Mr. Leao.

Equivalent to R$27.13 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0424 per U.S.$1.00 as reported by Brazilian Central Bank on June 15, 2026.

Equivalent to R$26.78 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1472 per U.S.$1.00 as reported by Brazilian Central Bank on June 11, 2026.

Equivalent to R$26.78 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1472 per U.S.$1.00 as reported by Brazilian Central Bank on June 11, 2026.

Held indirectly by SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO - FUNDO DE INVESTIMENTO FINANCEIRO, which is wholly owned and controlled by Mr. Leao.

Equivalent to R$27.22 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1687 per U.S.$1.00 as reported by Brazilian Central Bank on June 09, 2026.

Equivalent to R$26.67 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1238 per U.S.$1.00 as reported by Brazilian Central Bank on June 05, 2026.

Held indirectly by SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO - FUNDO DE INVESTIMENTO FINANCEIRO, which is wholly owned and controlled by Mr. Leao.

Equivalent to R$26.67 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1238 per U.S.$1.00 as reported by Brazilian Central Bank on June 05, 2026.

Equivalent to R$27.52 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0154 per U.S.$1.00 as reported by Brazilian Central Bank on June 02, 2026.

Equivalent to R$27.52 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0154 per U.S.$1.00 as reported by Brazilian Central Bank on June 02, 2026.

Held indirectly by SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO - FUNDO DE INVESTIMENTO FINANCEIRO, which is wholly owned and controlled by Mr. Leao.

Equivalent to R$27.17 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0071 per U.S.$1.00 as reported by Brazilian Central Bank on May 21, 2026.

Equivalent to R$29.90 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0238 per U.S.$1.00 as reported by Brazilian Central Bank on April 13, 2026.

Equivalent to R$29.91 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0238 per U.S.$1.00 as reported by Brazilian Central Bank on April 13, 2026.

Equivalent to R$29.85 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0238 per U.S.$1.00 as reported by Brazilian Central Bank on April 13, 2026.

Equivalent to R$29.74 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0238 per U.S.$1.00 as reported by Brazilian Central Bank on April 13, 2026.

Equivalent to R$29.06 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0238 per U.S.$1.00 as reported by Brazilian Central Bank on April 13, 2026.

Equivalent to R$29.61 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0238 per U.S.$1.00 as reported by Brazilian Central Bank on April 13, 2026.

Equivalent to R$29.50 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0238 per U.S.$1.00 as reported by Brazilian Central Bank on April 13, 2026.

Equivalent to R$29.74 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0238 per U.S.$1.00 as reported by Brazilian Central Bank on April 13, 2026.

Equivalent to R$30.00 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.2106 per U.S.$1.00 as reported by Brazilian Central Bank on March 18, 2026.