Mejia Cardona Andres Felipe

SEC source: 0002058897-26-000305 · wk-form4_1790191975.xml · derivative · entry 1

Mejia Cardona Andres Felipe · CIK 0002121260 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Director Voluntary Pension Fund Units

Disclosed balance after: 76,288.74

Underlying: Common Shares and Preferred Shares · Not disclosed shares

Expires not disclosed

F1 · security: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on September 21, 2026 was COP 30,779.2605 equal to approximately $9.64 per Unit using a conversion rate of COP 3,192.92 per $1.

F1 · derivative.exercise_price: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on September 21, 2026 was COP 30,779.2605 equal to approximately $9.64 per Unit using a conversion rate of COP 3,192.92 per $1.

F1 · derivative.exercise_date: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on September 21, 2026 was COP 30,779.2605 equal to approximately $9.64 per Unit using a conversion rate of COP 3,192.92 per $1.

F2 · derivative.expiration_date: The instrument has no expiration date.

F1 · derivative.underlying_shares: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on September 21, 2026 was COP 30,779.2605 equal to approximately $9.64 per Unit using a conversion rate of COP 3,192.92 per $1.

F1 · ownership.nature: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on September 21, 2026 was COP 30,779.2605 equal to approximately $9.64 per Unit using a conversion rate of COP 3,192.92 per $1.

SEC source: 0002058897-26-000286 · wk-form4_1787591162.xml · derivative · entry 1

Mejia Cardona Andres Felipe · CIK 0002121260 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Director Voluntary Pension Fund Units

Disclosed balance after: 75,644.83

Underlying: Common Shares and Preferred Shares · Not disclosed shares

Expires not disclosed

F1 · security: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on August 20, 2026 was COP 29,733.504428 equal to approximately $9.73 per Unit using a conversion rate of COP 3,053.48 per $1.

F1 · derivative.exercise_price: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on August 20, 2026 was COP 29,733.504428 equal to approximately $9.73 per Unit using a conversion rate of COP 3,053.48 per $1.

F1 · derivative.exercise_date: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on August 20, 2026 was COP 29,733.504428 equal to approximately $9.73 per Unit using a conversion rate of COP 3,053.48 per $1.

F2 · derivative.expiration_date: The instrument has no expiration date.

F1 · derivative.underlying_shares: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on August 20, 2026 was COP 29,733.504428 equal to approximately $9.73 per Unit using a conversion rate of COP 3,053.48 per $1.

F1 · ownership.nature: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on August 20, 2026 was COP 29,733.504428 equal to approximately $9.73 per Unit using a conversion rate of COP 3,053.48 per $1.

SEC source: 0002058897-26-000234 · wk-form4_1784322719.xml · derivative · entry 1

Mejia Cardona Andres Felipe · CIK 0002121260 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Director Voluntary Pension Fund Units

Disclosed balance after: 149,250.2816

Underlying: Common Shares and Preferred Shares · Not disclosed shares

Expires not disclosed

F1 · security: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on July 16, 2026 was COP 26,276.515609 equal to approximately $8.13 per Unit using a conversion rate of COP 3,233.91 per $1.

F1 · derivative.exercise_price: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on July 16, 2026 was COP 26,276.515609 equal to approximately $8.13 per Unit using a conversion rate of COP 3,233.91 per $1.

F1 · derivative.exercise_date: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on July 16, 2026 was COP 26,276.515609 equal to approximately $8.13 per Unit using a conversion rate of COP 3,233.91 per $1.

F2 · derivative.expiration_date: The instrument has no expiration date

F1 · derivative.underlying_shares: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on July 16, 2026 was COP 26,276.515609 equal to approximately $8.13 per Unit using a conversion rate of COP 3,233.91 per $1.

F1 · ownership.nature: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on July 16, 2026 was COP 26,276.515609 equal to approximately $8.13 per Unit using a conversion rate of COP 3,233.91 per $1.

SEC source: 0002058897-26-000252 · wk-form4a_1784842206.xml · derivative · entry 1

Mejia Cardona Andres Felipe · CIK 0002121260 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Director Voluntary Pension Fund Units

Disclosed balance after: 74,988.16

Underlying: Common Shares and Preferred Shares · Not disclosed shares

Expires not disclosed

F1 · security: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on July 16, 2026 was COP 26,276.51 equal to approximately $8.13 per Unit using a conversion rate of COP 3,233.91 per $1.

F1 · derivative.exercise_price: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on July 16, 2026 was COP 26,276.51 equal to approximately $8.13 per Unit using a conversion rate of COP 3,233.91 per $1.

F2 · shares: The Form 4/A amends the Form 4 filed on July 17, 2026, to correct the number of derivative securities acquired and beneficially owned following the reported transaction in Column 5 and 9, which were previously reported as 74,988.614 and 149,250.2816 respectively, due to a clerical error.

F1 · derivative.exercise_date: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on July 16, 2026 was COP 26,276.51 equal to approximately $8.13 per Unit using a conversion rate of COP 3,233.91 per $1.

F3 · derivative.expiration_date: The instrument has no expiration date.

F1 · derivative.underlying_shares: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on July 16, 2026 was COP 26,276.51 equal to approximately $8.13 per Unit using a conversion rate of COP 3,233.91 per $1.

F2 · balance_after: The Form 4/A amends the Form 4 filed on July 17, 2026, to correct the number of derivative securities acquired and beneficially owned following the reported transaction in Column 5 and 9, which were previously reported as 74,988.614 and 149,250.2816 respectively, due to a clerical error.

F1 · ownership.nature: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on July 16, 2026 was COP 26,276.51 equal to approximately $8.13 per Unit using a conversion rate of COP 3,233.91 per $1.

SEC source: 0002058897-26-000221 · wk-form4_1782143165.xml · derivative · entry 1

Mejia Cardona Andres Felipe · CIK 0002121260 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Director Voluntary Pension Fund Units

Disclosed balance after: 74,262.1202

Underlying: Common Shares and Preferred Shares · Not disclosed shares

Expires not disclosed

F1 · security: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on June 17, 2026 was COP 27,081.70 equal to approximately $7.90 per Unit using a conversion rate of COP 3,427.07 per $1.

F1 · derivative.exercise_price: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on June 17, 2026 was COP 27,081.70 equal to approximately $7.90 per Unit using a conversion rate of COP 3,427.07 per $1.

F1 · derivative.exercise_date: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on June 17, 2026 was COP 27,081.70 equal to approximately $7.90 per Unit using a conversion rate of COP 3,427.07 per $1.

F2 · derivative.expiration_date: The instrument has no expiration date

F1 · derivative.underlying_shares: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on June 17, 2026 was COP 27,081.70 equal to approximately $7.90 per Unit using a conversion rate of COP 3,427.07 per $1.

F1 · ownership.nature: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on June 17, 2026 was COP 27,081.70 equal to approximately $7.90 per Unit using a conversion rate of COP 3,427.07 per $1.

SEC source: 0002058897-26-000188 · wk-form4_1779395106.xml · derivative · entry 1

Mejia Cardona Andres Felipe · CIK 0002121260 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Director Voluntary Pension Fund Units

Disclosed balance after: 73,407.5002

Underlying: Common Shares and Preferred Shares · Not disclosed shares

Expires not disclosed

F1 · security: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on May 19, 2026 was COP 23,885.9 equal to approximately $6.29 per Unit using a conversion rate of COP 3,796.78 per $1

F1 · derivative.exercise_price: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on May 19, 2026 was COP 23,885.9 equal to approximately $6.29 per Unit using a conversion rate of COP 3,796.78 per $1

F1 · derivative.exercise_date: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on May 19, 2026 was COP 23,885.9 equal to approximately $6.29 per Unit using a conversion rate of COP 3,796.78 per $1

F1 · derivative.expiration_date: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on May 19, 2026 was COP 23,885.9 equal to approximately $6.29 per Unit using a conversion rate of COP 3,796.78 per $1

F1 · derivative.underlying_shares: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on May 19, 2026 was COP 23,885.9 equal to approximately $6.29 per Unit using a conversion rate of COP 3,796.78 per $1

F1 · ownership.nature: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a Unit on May 19, 2026 was COP 23,885.9 equal to approximately $6.29 per Unit using a conversion rate of COP 3,796.78 per $1

SEC source: 0002058897-26-000157 · wk-form4_1776980328.xml · derivative · entry 1

Mejia Cardona Andres Felipe · CIK 0002121260 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Director Voluntary Pension Fund Units

Disclosed balance after: 72,614.8127

Underlying: Common Shares and Preferred Shares · Not disclosed shares

Expires not disclosed

F1 · security: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a uniton April 20,2026 was COP 26,765.16 equal to approximately $7.26 per Unit using a conversion rate of COP 3,615.1 per $1.

F1 · derivative.exercise_price: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a uniton April 20,2026 was COP 26,765.16 equal to approximately $7.26 per Unit using a conversion rate of COP 3,615.1 per $1.

F1 · derivative.exercise_date: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a uniton April 20,2026 was COP 26,765.16 equal to approximately $7.26 per Unit using a conversion rate of COP 3,615.1 per $1.

F1 · derivative.expiration_date: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a uniton April 20,2026 was COP 26,765.16 equal to approximately $7.26 per Unit using a conversion rate of COP 3,615.1 per $1.

F1 · derivative.underlying_shares: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a uniton April 20,2026 was COP 26,765.16 equal to approximately $7.26 per Unit using a conversion rate of COP 3,615.1 per $1.

F1 · ownership.nature: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a uniton April 20,2026 was COP 26,765.16 equal to approximately $7.26 per Unit using a conversion rate of COP 3,615.1 per $1.

SEC source: 0002058897-26-000145 · wk-form4_1776979695.xml · derivative · entry 1

Mejia Cardona Andres Felipe · CIK 0002121260 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Director Voluntary Pension Fund Units

Disclosed balance after: 72,058.7127

Underlying: Common Shares and Preferred Shares · Not disclosed shares

Expires not disclosed

F1 · security: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a uniton March 20,2026 was COP 26,230.53 equal to approximately $7.10 per Unit using a conversion rate of COP 3,692.48 per $1.

F1 · derivative.exercise_price: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a uniton March 20,2026 was COP 26,230.53 equal to approximately $7.10 per Unit using a conversion rate of COP 3,692.48 per $1.

F1 · derivative.exercise_date: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a uniton March 20,2026 was COP 26,230.53 equal to approximately $7.10 per Unit using a conversion rate of COP 3,692.48 per $1.

F1 · derivative.expiration_date: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a uniton March 20,2026 was COP 26,230.53 equal to approximately $7.10 per Unit using a conversion rate of COP 3,692.48 per $1.

F1 · derivative.underlying_shares: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a uniton March 20,2026 was COP 26,230.53 equal to approximately $7.10 per Unit using a conversion rate of COP 3,692.48 per $1.

F1 · ownership.nature: The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a uniton March 20,2026 was COP 26,230.53 equal to approximately $7.10 per Unit using a conversion rate of COP 3,692.48 per $1.