 BOGOTA, Colombia, July 29, 2021 PRNewswire -- Ecopetrol S.A. BVC: Ecopetrol; NYSE: EC hereby reports that on July 28, 2021, it filed a statement in opposition to the preliminary injunctive relief requested within a public action acción popular to which it was named as defendant by means of a judicial order notified on July 21, 2021. 