Investor Presentaiton

ECOPETROL LEGAL DISCLAIMER ecoPETROL This presentation was prepared by Ecopetrol S.A. (the "Company" or "Ecopetrol") with the purpose of providing interested parties certain financial and other information of the Company. This presentation is for discussion purposes and highlights basic information about Ecopetrol and this offering. Because it is a summary, it does not contain all the information that you should consider before investing. This presentation should be read in conjunction with the base prospectus included in the registration statement, and the related prospectus supplement (including any information incorporated by reference therein), filed by Ecopetrol with the Securities and Exchange Commission (the "SEC") in connection with the offering of notes to which this presentation relates. You may get these documents by visiting EDGAR on the SEC website (www sec gov). This document includes forward-looking statements within the meaning of the Securities Act of 1933 as amended, the Securities Exchange Act of 1934 and the Private Securities Litigation Reform of 1995, regarding the probable development of Ecopetrol's Business. Such projections and statements include references to estimates or expectations of the Company regarding its future and operational results and other statements that are not historical facts. Estimates and expectations are uncertain because of their nature. Words such as "anticipate," "believe," "could," "estimate," "expect," "should," "plan," "potential," "predicts," "prognosticate," "project," "target," "achieve," and "intend," among other similar expressions, are understood as forward-looking statements. Potential investors and the market in general should be aware that the information provided herein does not constitute any guarantee of its performance, risks or uncertainties that may occur or materialize. These forward-looking statements are based on the Company's current objectives, beliefs and expectations, and they are subject to significant risks and uncertainties. Real results may fluctuate and differ from those provided herein to several factors outside of the control of the Company. Such forward-looking statements speak only as at the date in which they are made and neither Ecopetrol nor its advisors, officers, employees, directors or agents, make any representation nor shall assume any responsibility in the event actual performance of the Company differs from what is provided herein. Moreover, Ecopetrol, its advisors, officers, employees, directors or agents shall not have any obligation whatsoever to update, correct, amend or adjust this presentation based on new information or events occurring after its disclosure. The risks and uncertainties regarding these forward-looking statements include, but are not limited to, those set forth under the heading "Risk Factors" in the Company's Report on Form 20 F for the year ended December 31, 2022, and in the Company's other filings with the SEC, which are available at www.sec.gov. In making any future investment decision, you must rely on your own examination of Ecopetrol including the merits and risks involved. This presentation should not be construed as financial, legal, tax, accounting, investment or other advice or a recommendation with respect to any investment. You should consult your own advisors as needed to make an investment decision and determine whether it is legally permitted to make an investment under applicable legal investment, securities or similar laws or regulations. This presentation uses non-IFRS financial measures to present the financial performance of the Company. Non-IFRS financial measures should be viewed in addition to, and not as an alternative for, the Company's reported operating results or cash flow from operations or any other measure of performance as determined in accordance with IFRS. This presentation contains translations of certain Colombian peso amounts into U.S. Dollars at specified rates solely for the convenience of the reader. These convenience translations should not be construed as representations that the Colombian peso amounts actually represent such U.S. Dollar amounts or could be converted into U.S. Dollars at the specified rate or at any other rate. Neither this presentation nor any of its contents may be used for any other purpose without the prior written consent of Ecopetrol. None of BBVA Securities Inc., BofA Securities Inc., or Citigroup Global Markets Inc. has independently verified the information contained herein or any other information that has been or will be provided to you. None of Ecopetrol, BBVA Securities Inc., BofA Securities Inc., or Citigroup Global Markets Inc., nor any of their respective affiliates, advisors or representatives shall have any liability whatsoever (in negligence or otherwise) for any loss or damage howsoever arising from any use of these materials or their contents or otherwise arising in connection with these materials. No reliance may be placed for any purposes whatsoever on the information contained in this presentation or on its completeness. All information in this presentation is subject to verification, correction, completion and change without notice. The recipients of this presentation should not construe the contents of this presentation as legal, tax, accounting or investment advice or a recommendation. The recipient should consult its own counsel and tax and financial advisors as to legal and related matters concerning the matters described herein. Neither this presentation nor anything contained herein shall form the basis of any contract or commitment whatsoever. GROUP 1

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