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MATERIAL INFORMATION 2021 Third Quarter Results MAKING PROGRESS IN THE CONSOLIDATION OF THE NEW ECOPETROL GROUP Financial Results COP Trillion BRENT USD / BL BASKET PRICE USD / BL With the culmination of the purchase of 51.4 % stake in ISA , we incorporate the results of one month of its operation AN 681 12.3 The Nature Conservancy 42.6 % O Cooperation Agreement isa 5.3 3Q 2020 43 38 Production ( mboed ) 694 3Q20 4Q20 0.9 676 14.2 661 30.5 % 4.3 1Q21 2Q21 3Q21 mboed : Thousand barrels of oil equivalent per day 4Q 2020 45 41 684 0.7 25 Transmission Projects Revenues ● EBITDA 17.2 COP 269 BILLION Social Investment 47.6 % 8.2 1Q 2021 61 58 bo P 3.1 979 1,027 ENERGY TRANSMISSION Net Income 19.4 257 48.5 % Operational Results 9.4 Midstream Transported Volumes ( mbd ) 2Q 2021 69 65 Si 3.7 1,007 3Q20 4Q20 1Q21 2Q21 mbd : Thousand barrels per day -OEBITDA Margin Reinforcements of Electric Networks in Brazil USD 36.5 MILLON Digital Agenda Benefits 960 TESGⓇ 1,012 23.3 3Q21 44.4 % AL ....... 10.4 3Q 2021 73 68 3.8 ROADS 8 A H.H 324 CONTACT INFORMATION : investors@ecopetrol.com.co Projects in Chile and Colombia 61 MWP Authorization of the Program for the Issue and Placement of Shares Downstream Throughput ( mbd ) 355 3Q20 4Q20 Financial Milestones First Liability Management Transaction USD 2,000 MILLION Bond Placement $ COMPLETION Construction of San Fernando Solar Park years 1Q21 2Q21 3Q21 mbd : Thousand barrels per day 360 360 E 354 TELECOMMUNICATIONS & ICT Increase in Sales of Connectivity Services * Technology , Environmental , Social and Governance isa FIRST GREEN BOND ISSUANCE USD 1,200 MILLION