

BOGOTÁ, Colombia, July 20, 2026 /PRNewswire/ -- Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) announced today that its Brazilian subsidiary, Ecopetrol Investimentos do Brasil LTDA, published on the B3 Securities Exchange in Brazil the document governing the terms and conditions of the Voluntary Tender Offer (Oferta Pública de Aquisição Voluntária, or "OPAV"), incorporating the recommendations communicated by the Comissão de Valores Mobiliários ("CVM") in Official Letter No.

BOGOTÁ, Colombia, July 20, 2026 /PRNewswire/ -- Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) reports that the latest analyses conducted regarding the cybersecurity incident and its effects, previously disclosed on July 17, indicate that the impact was limited exclusively to the downloading of files.

Colombian state-controlled energy company Ecopetrol said on Friday a cyberattack resulted in the theft of data tied to about 3,300 user accounts and that it could not "guarantee" the breach would not have a "material adverse" financial impact.

BOGOTA, Colombia, July 17, 2026 /PRNewswire/ -- Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) (the "Company") announced that it has identified an unauthorized access to certain digital resources owned by the Company and its subsidiaries by an external actor who has not been identified, as well as an attempted ransomware attack that was blocked by the cybersecurity controls implemented across the Company and its subsidiaries.

Investors need to pay close attention to EC stock based on the movements in the options market lately.

BOGOTA, Colombia, July 16, 2026 /PRNewswire/ -- Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) announces that on July 15, 2026, Ecopetrol Investimentos do Brasil ("Ecopetrol Investimentos"), a controlled company of Ecopetrol S.A.

BOGOTÁ, Colombia, July 15, 2026 /PRNewswire/ -- Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) announces that on Monday, August 3, 2026, it plans to release its financial and operating results for the second quarter of 2026, after the market closes.

In the latest trading session, Ecopetrol (EC) closed at $15.98, marking a -1.11% move from the previous day.
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