Investor Presentaiton

Summary Terms of the Offering Issuer Format Ranking Expected Ratings Currency Size Ecopetrol S.A. SEC Registered Senior Unsecured and Unsubordinated Notes Moody's: Baa3 (Negative) | S&P: BB+ (Stable) | Fitch: BB+ (Stable) USD Tenor Coupon Payment Amortization Benchmark New 12-Year (2036) Semi-Annual Bullet ecoPETROL GROUP Use of Proceeds Minimum Denoms Governing Law Listing Purchase any and all of the Company's outstanding 4.125% notes due 2025 tendered pursuant to the Tender Offer (and pay related expenses thereunder), and finance expenditures outside our investment plan. 1,000 New York Law New York Stock Exchange Joint Bookrunners BBVA BofA SECURITIES // citi 2

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