Investor Presentation February 2022 We are environmentally friendly Be GREEN, keep it on SCREEN Pampaenergía Disclaimer The material that follows is a presentation of general background information about Pampa Energia S.A.("Pampa" or the "Company") as of the date of the resentation. It is information in summary form and does not purport to be complete. It is not intended to be relied upon as advice to potential investors. This resentation is strictly confidential and may not be disclosed to any other person ...