Standard and Poors Reafirms Ecopetrol S.A.’s International Rating of BBB

BOGOTA, Jan. 31, 2016 /CNW/ — Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC; TSX: ECP) (“Ecopetrol” or the “Company”) reports that the risk rating agency Standard and Poors has maintained Ecopetrol’s long-term foreign currency rating at BBB and has downgraded its outlook from stable to…