Investor Presentaiton

Unconventional potential in the Middle Magdalena Middle Magdalena Valley (MMV) 150 km 2019 Ecopetrol prepares for PPIR 2020 2021 VALLED PA Cesar Bolivar 8% Bolívar Norte ae Santander B/META B/MANGA Antioquia 7% Cesar 28 Norte de Santander Santander 56% 50 km 2022 State Council Clarification Preparation, planning and execution of Regulatory Framework PPIR Unconventional MME Unconventional Colombia 7 - 12 bboe MMV Basin Potential 4 - 7.4 bboe 8 - 100 TCF Antioquia MEDELLIN Santander CUENCA VMM Prospective Area 1.3 m acres BOGOTA Ecopetrol's Area ~730 k acres Anchor Play 0.4 0.5 bboe - All horizons 1.1 1.3 bboe Production in the MMV basin could be estimated at 330 mboed in 2030 2 15

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