PROMIGAS Corporate Financial Results 4Q 2021

NATURAL GAS TRANSPORTATION PROMIGAS - ATLANTIC COAST THERMOELECTRIC SECTOR It remained stable compared to the same quarter of 2020. G PROMIGAS . NON-THERMOELECTRIC SECTOR Gas consumption in the industrial sector decreased by 2% compared to the same quarter of 2020, mainly due to maintenance at the Cartagena Refinery. In the vehicular gas sector, there is an increase of 5% compared to the same quarter of the previous year due to the recovery of post- pandemic consumption. PROMIGAS - ATLANTIC COAST Volume Transported (MMCFD) By the end of the fourth trimester, Promigas 2,755.5 KM Pipeline Length reached: 951 MMCFD Transportation Capacity Oct-Dec Oct-Dec Var% 2020 2021 PROMIGAS 338.9 -1% 337.1

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