CHICAGO--(BUSINESS WIRE)--Fitch Ratings expects to assign a long-term rating of 'BBB' to Ecopetrol S.A.'s proposed debt issuance of up to USD1.5 billion due 2026. The company expects to use the proceeds for general corporate purposes, including capital expenditures. Fitch's foreign and local currency Issuer Default Ratings (IDRs) for Ecopetrol are 'BBB' and 'BBB+', respectively, with a Stable Outlook. The company's ratings reflect the close linkage with the Republic of Colombia (FC / LC IDRs of