0001104659-26-053172 Sample Contracts

FRAMEWORK CONTRACT FOR THE COMMERCIALIZATION OF ENERGY
Framework Contract for the Commercialization of Energy • April 30th, 2026 • Ecopetrol S.A. • Crude petroleum & natural gas

CONSIDERATIONS 4 CLAUSES 5 CLAUSE 1 Definitions and interpretation. 5 Section 1.01 Definitions. 6 Section 1.02 Interpretation. 9 CLAUSE 2 Object of the Contract. 10 CLAUSE 3 Execution period. 10 CLAUSE 4 Contract Value 10 Section 4.01 Marketing Charge 11 Section 4.02 Charges Pass-through 11 Section 4.03 “Fee” or fee for the representation of Ecopetrol 11 CLAUSE 5 Payment method. 12 CLAUSE 6 Obligations of the Parties. 14 Section 6.01 Obligations of the Marketer: 14 Section 6.02 Ecopetrol’s obligations: 17 CLAUSE 7 Liability of the Marketer and indemnity 18 Section 7.01 Liability of the Marketer 18 Section 7.02 Indemnity. 18 Section 7.03 Complaint procedure. 18 CLAUSE 8 Energy Rationing. 20 CLAUSE 9 Solidarity contribution. 20 CLAUSE 10 Transport, distribution and delivery of energy. 20 CLAUSE 11 Measuring Equipment 20 CLAUSE 12 Absence of an employment relationship. 23 CLAUSE 13 Guarantees. 23 Section 13.01 ​ 23 Section 13.02 ​ 24 Section 13.03 ​ 24 CLAUSE 14 Constraints 26 Section 14.

Convenience translation to English. Original in Spanish
Compensation Payment Agreement • April 30th, 2026 • Ecopetrol S.A. • Crude petroleum & natural gas

COMPENSATION DIFFERENTIALS PAYMENT AGREEMENT ENTERED INTO ON APRIL 1, 2026, BY AND AMONG THE NATION, ECOPETROL S.A. AND REFINERÍA DE CARTAGENA S.A.S.

LOAN AGREEMENT dated as of November 25, 2025 by and among ECOPETROL S.A. as Borrower, THE LENDERS PARTY HERETO, BANCO LATINOAMERICANO DE COMERCIO EXTERIOR, S.A. as Administrative Agent and BANCO LATINOAMERICANO DE COMERCIO EXTERIOR, S.A. and SUMITOMO...
Loan Agreement • April 30th, 2026 • Ecopetrol S.A. • Crude petroleum & natural gas

This LOAN AGREEMENT (together with the Schedules and Exhibits attached hereto, this “Agreement”), dated as of November 25, 2025, is made by and among Ecopetrol S.A., a mixed economy company organized and existing under the laws of Colombia (the “Borrower”), the Lenders (as defined below) from time to time party hereto, Banco Latinoamericano de Comercio Exterior, S.A., as administrative agent (“Administrative Agent”). Capitalized terms used herein shall be defined as provided in Section 1.

Loan Contract Between Bancolombia S.A. (“Lender”) and Ecopetrol S.A. (“Borrower”) Bogotá D.C., March 17, 2023
Loan Contract • April 30th, 2026 • Ecopetrol S.A. • Crude petroleum & natural gas

We have resolved to enter into this committed credit facility agreement (the “Borrowing Agreement”), which will be governed by the following:

​ ​AMENDMENT NO. 23 TO THE FRAMEWORK CONTRACT FOR SERVICES FOR PRODUCTS ​​
Framework Service Agreement for Products • April 30th, 2026 • Ecopetrol S.A. • Crude petroleum & natural gas

This Amendment No. 23 to the Framework Agreement for Services for Products (the “Amendment”) is formalized on April twenty-two (22), 2025 (the “Signature Date”) by the following legal entities (hereinafter, the “Parties” and, each of them, a “Party” or the “Party”):

AMENDMENT No. 2 TO THE INTERNAL LOAN AGREEMENT SIGNED ON MARCH 17, 2023 BETWEEN ECOPETROL S.A., AND BANCOLOMBIA S.A., UP TO THE SUM OF ONE TRILLION PESOS (COP1,000,000,000,000,000) COLOMBIAN LEGAL CURRENCY Among the signed, namely:
Internal Loan Agreement • April 30th, 2026 • Ecopetrol S.A. • Crude petroleum & natural gas

We have resolved to enter into this Amendment No. 2 (the “Amendment No. 2”) to the Non-Revolving Committed Credit Line Agreement entered into on March 17, 2023 (the “Borrowing Agreement”), subject to the following:

Convenience translation to English. Original in Spanish
Loan Contract • April 30th, 2026 • Ecopetrol S.A. • Crude petroleum & natural gas

AMENDMENT No. 1 TO THE LOAN CONTRACT SIGNED ON JUNE TWENTY-EIGHT (28), TWO THOUSAND AND TWENTY-FOUR (2024) BETWEEN ECOPETROL S.A., AND BANCO DE BOGOTÁ S.A., BANCO DE OCCIDENTE S.A AND BANCO POPULAR S.A, AS LENDERS, UP TO THE SUM OF ONE TRILLION PESOS (COP 1,000,000,000,000) COLOMBIAN LEGAL CURRENCY

Convenience translation to English. Original in Spanish ADDENDUM No. 4 TO THE FRAMEWORK AGREEMENT FOR THE SALE OF ELECTRICITY ENTERED INTO BETWEEN GENERADORA Y COMERCIALIZADORA DEL ENERGÍA DEL CARIBE S.A. E.S.P. – GECELCA AND ECOPETROL S.A.
Framework Agreement for the Sale of Electricity • April 30th, 2026 • Ecopetrol S.A. • Crude petroleum & natural gas

ECOPETROL S.A. (hereinafter “Ecopetrol”), a decentralized national entity, authorized by Law 1118 of 2006 as a mixed-economy company, affiliated with the Ministry of Mines and Energy, with its principal place of business in Bogotá, D.C., governed in accordance with its Bylaws, contained in their entirety in Public Deed No. 5314 of December 14, 2007, executed at the Second Notary Public Office of the Notarial District of Bogotá, D.C., and registered with the Bogotá D.C. Chamber of Commerce, identified by Tax ID No. 899.999.068-1, represented herein by DAVID ALFREDO RIAÑO ALARCÓN, identified by citizenship ID number CC 11.188.688, who, in his capacity as Energies for the Transition Vicepresident, is authorized to sign this addendum in accordance with the Special Power of Attorney granted by the President and Legal Representative, and on the other hand;

FIRST AMENDMENT TO THE LOAN AGREEMENT
Loan Agreement • April 30th, 2026 • Ecopetrol S.A. • Crude petroleum & natural gas

This First Amendment, dated as of December 30, 2025 (this “Amendment”), to that certain Loan Agreement, dated as of May 15, 2023, by and among Ecopetrol S.A., as borrower (the “Borrower”), MUFG Bank, Ltd., as administrative agent (the “Administrative Agent”), and the lenders party thereto from time to time (the “Lenders”) (the “Loan Agreement”).

Convenience translation to English. Original in Spanish Loan Contract Among Banco de Bogotá S.A., Banco de Occidente S.A. and Banco Popular S.A. (“Lenders”) and Ecopetrol S.A. (“Borrower”) Bogotá D.C., June 28, 2024
Loan Contract • April 30th, 2026 • Ecopetrol S.A. • Crude petroleum & natural gas

capacity as legal representative as stated in the special power of attorney authenticated at notary 29 on April 24, 2024 and duly authorized for such purposes, in the Ordinary Session of the Board of Directors on December 15, 2023, and in accordance with the authorization given by the Ministry of Finance and Public Credit through Resolution No. 1671 of June 14, 2024, documents that are attached to be an integral part of this Agreement (Annex II (a), Annex II (b) and Annex II (c), respectively);

​ ​​​​ ​ CONVENIENCE TRANSLATION TO ENGLISH. ORIGINAL IN SPANISHCRUDE FRAMEWORK SERVICES AGREEMENTGENERAL CONDITIONS​
Framework Crude Oil Services Agreement • April 30th, 2026 • Ecopetrol S.A. • Crude petroleum & natural gas

This Amendment No. 22 (the “Amendment”) to the Framework Crude Oil Services Agreement (hereinafter, the “Framework Agreement”), is signed on August 26, 2025 (hereinafter, the “Signature Date”) by the following legal entities (hereinafter, the “Parties” and, each of them, a “Party” or the “Party”):

Convenience translation to English. Original in Spanish
Internal Loan Agreement • April 30th, 2026 • Ecopetrol S.A. • Crude petroleum & natural gas

AMENDMENT No. 1 TO THE INTERNAL LOAN AGREEMENT SIGNED ON MARCH 17, 2023 BETWEEN ECOPETROL S.A., AND BANCOLOMBIA S.A., UP TO THE SUM OF ONE TRILLION PESOS (COP1,000,000,000,000,000) COLOMBIAN LEGAL CURRENCY