BOGOTA – October 28, 2026 -- Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) will publish its third-quarter 2026 financial and operating results on Tuesday, November 10, 2026, after the market closes.

Management hosts bilingual virtual conference on November 11

Management plans to hold a virtual conference on Wednesday, November 11, 2026, with simultaneous transmission in Spanish and English. Participants can submit questions through the platform once the call begins.