Ecopetrol Announces the Convening of Bondholders’ Meetings for Domestic Public Debt Bonds on August 18

Bogotá, August 6, 2026

Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) (the "Company" or "Ecopetrol") announces that, in connection with the merger by absorption between Ecopetrol S.A., as the surviving company, and Parque Solar Portón del Sol S.A.S., as the absorbed company (the "Merger"), approved by Ecopetrol's General Shareholders’ Meeting on March 27, 2026, the Company is convening the holders of its local bonds to consider the Merger through General Bondholders’ Meetings, in compliance with the regulations applicable to securities issuers, particularly Article 6.4.1.1.42 of Decree 2555 of 2010.

For this purpose, Alianza Valores Fiduciaria S.A. and Itaú Fiduciaria Colombia S.A., acting as legal representatives of the holders of Ecopetrol’s outstanding local bond issuances (the "Bondholders' Representatives"), at the Company’s request and pursuant to Article 6.4.1.1.18 of Decree 2555 of 2010, have issued the first notices of call for the General Bondholders’ Meetings corresponding to the 2010 and 2013 issuances, through notices published in the newspaper La República, as set forth below:

2010 Outstanding Bond Issuance

Alianza Valores Fiduciaria S.A. hereby gives notice that it has convened a meeting of bondholders to be held on August 18, 2026, at 2:00 p.m. (Bogotá, D.C. time). Bondholders may attend the meeting either (i) in person, at Carrera 37 No. 24-24, Centro de Innovación Bogotá, Bogotá, D.C., Colombia, or (ii) virtually, via videoconference through the electronic platform of Colombia's Central Securities Depository (Depósito Centralizado de Valores de Colombia — Deceval S.A.). The meeting is being convened in accordance with Article 19 of Law 222 of 1995 and Decree 398 of 2020 of Colombia. The link for virtual attendance is set forth below:

https://asambleadebonosecopetrol2010.azurewebsites.net

The outstanding 2010 issuance, Series A, consisting of CPI-linked bonds denominated in Colombian pesos, has the following characteristics:

Agenda

2013 Outstanding Bond Issuance

Itaú Fiduciaria Colombia S.A. hereby gives notice that it has convened a meeting of bondholders to be held on August 18, 2026, at 3:30 p.m. (Bogotá, D.C. time). Bondholders may attend the meeting either (i) in person at Carrera 37 No. 24-24, Centro de Innovación Bogotá, Bogotá, D.C., Colombia, or (ii) virtually, via videoconference through the electronic platform of Colombia's Central Securities Depository (Depósito Centralizado de Valores de Colombia — Deceval S.A.). The meeting is convened in accordance with Article 19 of Law 222 of 1995 and Decree 398 of 2020 of Colombia. The link for virtual attendance is set forth below:

https://asambleadebonosecopetrol2013.azurewebsites.net

The outstanding 2013 CPI-linked bond issuance denominated in Colombian pesos has the following characteristics:

Agenda

For further information regarding the general requirements and conditions for participating in the bondholders’ meetings, please visit:

https://www.ecopetrol.com.co/wps/portal/Home/es/Inversionistas/asamblea-de-tenedores-de-bonos-2026

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Ecopetrol is the largest company in Colombia and one of the main integrated energy companies in the American continent, with more than 19,000 employees. In Colombia, it is responsible for more than 60% of the hydrocarbon production of most transportation, logistics, and hydrocarbon refining systems, and it holds leading positions in the petrochemicals and gas distribution segments. With the acquisition of 51.4% of ISA’s shares, the company participates in energy transmission, the management of real-time systems (XM), and the Barranquilla–Cartagena coastal highway concession. At the international level, Ecopetrol has a stake in strategic basins in the American continent, with drilling and exploration operations in the United States (Permian basin and the Gulf of Mexico), Brazil, and Mexico, and, through ISA and its subsidiaries, Ecopetrol holds leading positions in the power transmission business in Brazil, Chile, Peru, and Bolivia, road concessions in Chile, and the telecommunications sector.

This release contains statements that may be considered forward-looking statements within the meaning of Section 27A of the U.S. Securities Act of 1933, as amended, and Section 21E of the U.S. Securities Exchange Act of 1934, as amended. All forward-looking statements, whether made in this release or in future filings or press releases, or orally, address matters that involve risks and uncertainties, including in respect of the Company’s prospects for growth and its ongoing access to capital to fund the Company’s business plan, among others. Consequently, changes in the following factors, among others, could cause actual results to differ materially from those included in the forward-looking statements: market prices of oil & gas, our exploration, and production activities, market conditions, applicable regulations, the exchange rate, the Company’s competitiveness and the performance of Colombia’s economy and industry, to mention a few. We do not intend and do not assume any obligation to update these forward-looking statements. 

For more information, please contact:

Investor Relations Office

Email: investors@ecopetrol.com.co 

Head of Corporate Communications (Colombia)  

Marcela Ulloa  

Email: marcela.ulloa@ecopetrol.com.co