CHICAGO--(BUSINESS WIRE)--Fitch Ratings has affirmed Empresas Publicas de Medellin E.S.P.'s (EPM) foreign and local currency Issuer Default Ratings (IDRs) at 'BBB+' and the 'BBB+' long-term rating assigned to the company's approximately USD1.7 billion of outstanding debt. Fitch has also affirmed EPM's national scale rating at 'AAA(col)' and its senior unsecured COP4.500 billion debt issuance program at 'AAA(col)'. The Rating Outlook is Stable. Concurrently, Fitch has affirmed EPM Inversiones S.