Ecopetrol S.A. US$350,000,000 4.250% Notes due 2018 US$1,300,000,000 5.875% Notes due 2023 US$850,000,000 7.375% Notes due 2043 Underwriting AgreementUnderwriting Agreement • September 17th, 2013 • Ecopetrol S.A. • Crude petroleum & natural gas • New York
Ecopetrol S.A. (the “Issuer”), a mixed economy company duly established and validly existing under the laws of the Republic of Colombia (“Colombia” or the “Republic”), proposes to issue and sell to Merrill Lynch, Pierce, Fenner & Smith Incorporated and Morgan Stanley & Co. LLC (Merrill Lynch, Pierce, Fenner & Smith Incorporated and Morgan Stanley & Co. LLC, each an “Underwriter” and, together, the “Underwriters”) US$350,000,000 aggregate principal amount of the Issuer’s 4.250% Notes due 2018 (the “2018 Notes”) and US$1,300,000,000 aggregate principal amount of the Issuer’s 5.875% Notes due 2023 (the “2023 Notes”) and US$850,000,000 aggregate principal amount of the Issuer’s 7.375% Notes due 2043 (the “2043 Notes” and together with the 2018 Notes and the 2023 Notes, the “Securities”). The Securities will be issued pursuant to an indenture, dated as of July 23, 2009 (the “Indenture”), between the Issuer and The Bank of New York Mellon, as trustee, registrar, paying agent and transfer age
