OREANDA-NEWS. Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC; TSX: ECP) reports that the risk rating agency Moody's Investors Service has maintained its international rating at Baa2 with a stable outlook.

This rating action follows the upgrade of the Republic of Colombia from Baa3 to Baa2 on July 28, 2014.

Ecopetrol is the largest company in Colombia and is integrated into the oil chain; it is among the 50 major oil companies in the world and among the four main ones in Latin America. Besides Colombia - where it generates over 60% of the national production - it is present in exploration and production activities in Brazil, Peru & US (Gulf of Mexico). Ecopetrol owns the largest refinery in Colombia and most of the pipeline and multi-product pipeline network in the country, and is significantly increasing its participation in bio-fuels.