CHICAGO–(BUSINESS WIRE)–Fitch Ratings has affirmed Ecopetrol S.A.’s Long-Term Foreign and Local Currency Issuer Default Ratings (IDR) at ‘BBB’. The Rating Outlook is Negative. Fitch has also affirmed the company’s National Long and Short-term at ‘AAA(col)’/’F1+(col)’. The Rating Outlook for the National Long-term rating is Stable. A complete list of ratings follows at the end of this release. Ecopetrol’s ratings reflect the close linkage with the Republic of Colombia (Foreign and Local Curren