Ecopetrol (NYSE: EC) plans second meetings after merger vote falls short

Rhea-AI Filing Summary

Ecopetrol S.A. (EC) reports the outcome of bondholders’ meetings held on August 18, 2026 for its domestic bond issuances from 2010 and 2013. At the 2010 bondholders’ meeting, no quorum was verified. At the 2013 meeting, a quorum representing 15.33% of the outstanding principal amount was verified, but this did not meet the required majority.

Under Colombian Decree 2555 of 2010, approval of the merger proposal at a first-call meeting requires both a numerical majority of bondholders present and at least 80% of the outstanding principal amount. Because these thresholds were not met for either issuance, Ecopetrol states that second-call meetings will be convened, with notice to be published in a newspaper of broad national circulation.

Key Figures

2013 bondholders’ meeting quorum: 15.33% of the outstanding principal amount Approval threshold – outstanding principal: 80% Year of bond issuances: 2010 and 2013 +3 more

6 metrics

2013 bondholders’ meeting quorum 15.33% of the outstanding principal amount Quorum verified at the 2013 domestic bond issuance meeting held August 18, 2026

Approval threshold – outstanding principal 80% Minimum outstanding principal amount required to approve the merger proposal at first-call meetings

Year of bond issuances 2010 and 2013 Domestic public debt bond issuances whose bondholders’ meetings were held at first call

Employees more than 19,000 Ecopetrol’s reported workforce size in its corporate background description

Hydrocarbon production share in Colombia more than 60% Portion of Colombia’s hydrocarbon production for which Ecopetrol is responsible

Stake in ISA 51.4% of ISA’s shares Ecopetrol’s ownership interest in ISA following its acquisition

Key Terms

first call, second-call meeting, outstanding principal amount, plurality, +1 more

5 terms

first call regulatory

"domestic public debt bonds held at first call Bogotá, August 18, 2026"

The first call is the initial public estimate or report about a company’s upcoming financial results or prospects, usually issued by an analyst or research firm when they start covering the company or after a new quarter begins. It matters to investors because it sets an early benchmark or expectation—like the first score reported in a game—that subsequent estimates, market reactions and consensus numbers are compared against.

second-call meeting regulatory

"a second-call meeting will be required for the holders of each"

outstanding principal amount financial

"a quorum representing 15.33% of the outstanding principal amount of such"

The outstanding principal amount is the remaining unpaid portion of the original loan or bond issue—just the borrowed money itself, not accumulated interest or fees—after any repayments. It matters to investors because it shows how much debt a borrower still owes, which affects credit exposure, company leverage and potential future cash outflows; like the remaining balance on a mortgage, it indicates the size of the obligation that must be managed or repaid.

plurality regulatory

"requires the affirmative vote of a plurality representing both (i) the"

forward-looking statements regulatory

"This release contains statements that may be considered forward-looking statements within"

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

FAQ

What did Ecopetrol (EC) announce regarding its 2010 and 2013 domestic bondholders’ meetings?

Ecopetrol announced that first-call meetings for its 2010 and 2013 domestic bond issuances were held on August 18, 2026. The 2010 meeting lacked quorum, while the 2013 meeting reached 15.33% quorum but failed to achieve required approval majorities.

Why was the merger proposal not approved at Ecopetrol’s (EC) first-call bondholders’ meetings?

The merger proposal was not approved because the necessary voting thresholds were not met. Colombian rules require a numerical majority of bondholders present and at least 80% of the outstanding principal amount; neither the 2010 nor 2013 issuance meetings satisfied these conditions.

What are the next steps Ecopetrol (EC) plans for the 2010 and 2013 bond issuances?

Ecopetrol plans to hold second-call meetings for bondholders of both the 2010 and 2013 issuances. Notices for these meetings will be published in a newspaper of broad national circulation, and the company indicates it will provide further updates as appropriate.

What quorum was achieved at Ecopetrol’s (EC) 2013 bondholders’ meeting?

At the 2013 issuance bondholders’ meeting, Ecopetrol reports a quorum representing 15.33% of the outstanding principal amount. This participation level was not sufficient to meet the 80% outstanding principal requirement for approval of the merger proposal at first call.

What voting thresholds apply to Ecopetrol (EC) bondholder approvals under Colombian Decree 2555 of 2010?

For approval of a merger proposal at a first-call bondholders’ meeting, the rules require a plurality representing both a numerical majority of bondholders present and at least 80% of the outstanding principal amount of the relevant issuance, as cited by Ecopetrol.

Where can investors find more information on Ecopetrol’s (EC) bondholders’ meetings?

Ecopetrol directs interested parties to its website section on bondholders’ meetings at https://www.ecopetrol.com.co/wps/portal/Home/es/Inversionistas/asamblea-de-tenedores-de-bonos-2026. This link is provided for details on general conditions for attending the bondholders’ meetings.

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Form 6-K: How Foreign Companies Report to the SEC →

Available on EDGAR 08/19/2026 - 06:10 AM Accepted by SEC EDGAR 08/18/2026 - 07:42 PM Learn about SEC filing dates

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of August, 2026

Commission File Number 001-34175

ECOPETROL S.A.

(Exact name of registrant as specified in its charter)

N.A.

(Translation of registrant’s name into English)

COLOMBIA

(Jurisdiction of incorporation or organization)

Carrera 13 No. 36 – 24

BOGOTA D.C. – COLOMBIA

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F x      Form 40-F ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1)

Yes ¨      No x

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7)

Yes ¨      No x

Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes ¨      No x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- N/A

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	Ecopetrol S.A.
	By:	/s/ Alfonso Camilo Barco
		Name:	Alfonso Camilo Barco
		Title:	Chief Financial Officer

Date: August 18, 2026

 

Ecopetrol Reports Results of Bondholders’ Meetings for Domestic Public Debt Bonds Held at First Call

Bogotá, August 18, 2026

Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) (the "Company" or "Ecopetrol") hereby reports that, on August 18, 2026, meetings of the holders of the Company's domestic bonds issued in 2010 and in 2013 were convened and held at first call. The meetings were called by the respective bondholders' representatives, Alianza Valores Fiduciaria S.A. and Itaú Fiduciaria Colombia S.A., pursuant to a notice of meeting published on August 6, 2026, in a newspaper of broad national circulation.

At the meeting of bondholders of the 2010 issuance, convened by Alianza Valores Fiduciaria S.A. and held today at 2:00 p.m. (Bogotá, D.C. time), no quorum was verified.

At the meeting of bondholders of the 2013 issuance, convened by Itaú Fiduciaria Colombia S.A. and held today at 3:30 p.m. (Bogotá, D.C. time), a quorum representing 15.33% of the outstanding principal amount of such issuance was verified.

Under Article 6.4.1.1.22 of Colombian Decree 2555 of 2010, approval of a merger proposal at a first-call meeting requires the affirmative vote of a plurality representing both (i) the numerical majority of bondholders present at the meeting and (ii) at least eighty percent (80%) of the outstanding principal amount of the relevant issuance. Because the requisite majorities were not obtained at either meeting, a second-call meeting will be required for the holders of each of the two outstanding issuances. Notice of the second-call meetings will be published in a newspaper of broad national circulation in the coming days, and the Company will provide further updates as appropriate.

For further information on the general conditions for attending the bondholders' meetings, please visit the following link:

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

--------------------- 

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 

Filing Exhibits & Attachments

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