PBR · Petrobras - Petroleo Brasileiro SA · Insider Trading

The price reported in column 4 is a convenience conversion of the 53.95 BRL per share into U.S. dollars based on the Central Bank of Brazil exchange rate of 5.169 BRL per 1.00 USD on September 14th, 2026.

The price reported in column 4 is a convenience conversion of the (weighted average) price of 48.91 BRL per share into U.S. dollars based on the Central Bank of Brazil exchange rate of 5.169 BRL per 1.00 USD on September 14th, 2026.

Weighted average price. These shares were sold in multiple transactions at prices ranging from $9.458 to $9.462, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

Phantom shares are granted pursuant to the Petrobras Performance Award Program. The phantom shares are referenced to the PETR3 common share price and are settled in cash upon vesting. The deferred portion of the award vests in four equal annual instalments. Additional phantom shares are credited proportionally upon the payment of dividends or interest on equity by the company.

Weighted average of the last 20 trading sessions of Petrobras common shares, resulting in 48.40 BRL. The average is calculated as the sum of turnover divided by the sum of volume over these last 20 trading sessions. The price reported in column 2 is a convenience conversion of the 48.40 BRL per share into U.S. dollars based on the Central Bank of Brazil exchange rate of 5.0821 BRL per 1.00 USD on June 12th, 2026.

Phantom shares are granted pursuant to the Petrobras Performance Award Program. The phantom shares are referenced to the PETR3 common share price and are settled in cash upon vesting. The deferred portion of the award vests in four equal annual instalments. Additional phantom shares are credited proportionally upon the payment of dividends or interest on equity by the company.

Weighted average of the last 20 trading sessions of Petrobras common shares, resulting in 49.53 BRL. The average is calculated as the sum of turnover divided by the sum of volume over these last 20 trading sessions. The price reported in column 2 is a convenience conversion of the 49.53 BRL per share into U.S. dollars based on the Central Bank of Brazil exchange rate of 5.0409 BRL per 1.00 USD on June 3rd, 2026.

Phantom shares are granted pursuant to the Petrobras Performance Award Program. The phantom shares are referenced to the PETR3 common share price and are settled in cash upon vesting. The deferred portion of the award vests in four equal annual instalments. Additional phantom shares are credited proportionally upon the payment of dividends or interest on equity by the company.

Weighted average of the last 20 trading sessions of Petrobras common shares, resulting in 52.07 BRL. The average is calculated as the sum of turnover divided by the sum of volume over these last 20 trading sessions. The price reported in column 2 is a convenience conversion of the 52.07 BRL per share into U.S. dollars based on the Central Bank of Brazil exchange rate of 5.0648 BRL per 1.00 USD on May 15th, 2026.

Phantom shares are granted pursuant to the Petrobras Performance Award Program. The phantom shares are referenced to the PETR3 common share price and are settled in cash upon vesting. The deferred portion of the award vests in four equal annual instalments. Additional phantom shares are credited proportionally upon the payment of dividends or interest on equity by the company.

Weighted average of the last 20 trading sessions of Petrobras common shares, resulting in 52.21 BRL. The average is calculated as the sum of turnover divided by the sum of volume over these last 20 trading sessions. The price reported in column 2 is a convenience conversion of the 52.21 BRL per share into U.S. dollars based on the Central Bank of Brazil exchange rate of 4.9803 BRL per 1.00 USD on May 14th, 2026.

The price reported in column 4 is a convenience conversion of the purchase price of 48.24 BRL per share into U.S. dollars based on the Central Bank of Brazil exchange rate of 5.1649 BRL per 1.00 USD on April 2nd, 2026.

Phantom shares are granted pursuant to the Petrobras Performance Award Program. The phantom shares are referenced to the PETR3 common share price and are settled in cash upon vesting. The deferred portion of the award vests in four equal annual instalments. Additional phantom shares are credited proportionally upon the payment of dividends or interest on equity by the company.

The disposal is related to the phantom shares granted pursuant to the Petrobras Performance Award Program and settled in cash. The Price of Derivative Security is based on the weighted average price of PETR3 over the last 20 trading sessions prior to the transaction date in accordance with the Petrobras Performance Award Program's rules.

The price reported in column 4 is a convenience conversion of the (weighted average) price of 46.89 BRL per share into U.S. dollars based on the Central Bank of Brazil exchange rate of 5.1600 BRL per 1.00 USD on April 1nd, 2026.

The number of PETR4 shares held by the Reporting Person's spouse has been adjusted for seven PETR4 shares inadvertently overreported on the Form 3 filed with the Securities and Exchange Commission on March 12, 2026.