Ecopetrol (NYSE: EC) sets March 27, 2026 general shareholders’ meeting

Rhea-AI Filing Summary

Ecopetrol S.A. has called a General Shareholders’ Meeting for March 27, 2026, at 9:00 a.m., at Corferias in Bogota, D.C. The meeting is planned to be held in person and streamed live on Ecopetrol’s website, with voting expected to be conducted electronically using smart mobile devices.

From March 5, 2026, shareholders may inspect Ecopetrol’s books and documents by requesting in-person appointments via the dedicated email address, in line with Colombian commercial regulations. The agenda includes a merger proposal, which the company states will not impose greater liability on shareholders or impair their economic rights, so withdrawal rights are not triggered.

Shareholders unable to attend may be represented by proxy, which must comply with Commercial Code requirements, with proxy templates available on Ecopetrol’s website. Specific rules restrict Ecopetrol’s managers and employees from representing other shareholders’ stock or voting on the company’s financial statements.

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 February, 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: February 19, 2026

The Chief Executive Officer of Ecopetrol S.A. (“Ecopetrol”) hereby summons all shareholders to the General Shareholders’ Meeting (the “Meeting”) to be held on Friday, March 27, 2026, starting at 9:00 a.m., at Centro Internacional de Negocios y Exposiciones (Corferias), located on Carrera 37 No. 24 - 67 in Bogota, D.C.

 

The meeting is planned to be held in person and also is also planned to be streamed live on Ecopetrol's website.

The voting process is expected to be conducted electronically. Shareholders are requested to attend the Meeting with their smart mobile device. If a shareholder does not have access to a [device with the required technical specifications][smart mobile device], the company plans to provide an alternative mechanism to enable voting by shareholders.

Beginning on March 5, 2026, shareholders may exercise the right of inspection over Ecopetrol’s books and other documents referred to in Articles 446 and 447 of the Commercial Code. Shareholders, their proxies and/or their representatives may request an in-person appointment by emailing derechodeinspeccion2026@ecopetrol.com.co, at least one business day prior to the intended inspection date, in accordance with applicable regulations (available at www.ecopetrol.com.co/asamblea-2026). The aforementioned email address is intended solely and exclusively for scheduling the in-person appointment. Any other concerns or requests must be sent to accionistas@ecoptrol.com.co.

Pursuant to Article 13 of Law 222 of 1995, we inform shareholders that the merger proposal referred to in item 16 of the agenda is expected to be made available at the Ecopetrol’s main domicile, within the legally required time frame. Likewise, we further inform shareholders that said merger does not impose any greater liability upon them nor does it entail any impairment of their economic rights. Therefore, withdrawal rights have not been triggered. Notwithstanding the foregoing, absent or dissenting shareholders who consider that such grounds exist may submit their objection to the merger in accordance with Article 14 of Law 222 of 1995

Shareholders who are unable to attend the Meeting may be represented by proxy. Proxies must meet the requirements established in Article 184 of the Commercial Code. Proxy templates in Spanish and English can be downloaded from the website at www.ecopetrol.com.co/asamblea-2026.eng

For purposes of shareholder representation, the provisions of Legal Circular 006 of 2025 regarding the illegal, unauthorized and unsafe practices by securities issuers shall apply.

Except in cases of legal representation via proxy, Ecopetrol‘s managers and employees may not represent shares other than their own while they are employed by Ecopetrol. They may also not act as substitute attorneys-in fact. Additionally, they may not vote on the Company’s financial statements.

RICARDO ROA BARRAGÁN

Chief Executive Officer

FAQ

When is Ecopetrol (EC) holding its 2026 General Shareholders’ Meeting?

Ecopetrol will hold its 2026 General Shareholders’ Meeting on March 27, 2026, at 9:00 a.m. in Corferias, Bogota, D.C. The meeting is planned to be in person and streamed live through Ecopetrol’s website for broader shareholder access.

How will voting be conducted at Ecopetrol’s (EC) 2026 General Shareholders’ Meeting?

Voting at Ecopetrol’s 2026 General Shareholders’ Meeting is expected to be conducted electronically. Shareholders are asked to bring a smart mobile device, and the company plans to provide an alternative voting mechanism for those without compatible devices to ensure participation.

When can Ecopetrol (EC) shareholders exercise their right of inspection for the 2026 meeting?

Shareholders may exercise their right of inspection from March 5, 2026. They must request an in-person appointment at least one business day in advance by emailing the designated inspection address, in accordance with Colombian Commercial Code provisions and Ecopetrol’s published procedures.

What does Ecopetrol (EC) state about the merger proposal on the 2026 meeting agenda?

Ecopetrol indicates the merger proposal on the agenda will not impose greater liability on shareholders or impair their economic rights. Because of this, withdrawal rights are not triggered, though absent or dissenting shareholders may object under Article 14 of Law 222 of 1995.

How can Ecopetrol (EC) shareholders use proxies for the 2026 meeting?

Shareholders unable to attend may be represented by proxy, which must satisfy Article 184 of the Commercial Code. Ecopetrol offers Spanish and English proxy templates on its website, and applicable rules on illegal or unsafe practices in shareholder representation also apply.

Are Ecopetrol (EC) managers allowed to represent other shareholders at the 2026 meeting?

Ecopetrol’s managers and employees may not represent shares other than their own while employed, except where legal representation via proxy applies. They also may not act as substitute attorneys-in-fact or vote on the company’s financial statements during the General Shareholders’ Meeting.

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