BOGOTA, Colombia, April 3, 2016 /CNW/ — Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC; TSX: ECP) (“Ecopetrol” or the “Company”) hereby announces that on April 2, 2016, as required by the Divestment Regulation (Reglamento de Enajenación), the Company published the offering…