Corporate Profile

Note: Information updated as of March 31, 2026. The affiliates CT Barragán (‘CTBSA’), Transener and TGS are not consolidated in Pampa’s Financial Statements (‘FS’) under International Financial Reporting Standard (‘IFRS’). 1 It includes 848 MW in Ensenada Barragán thermal power plant (‘CTEB’ – CTBSA) (co-controlled with 50% stake). 2 Average of Q1 26 production. 3 As of December 31, 2025.

In power generation, Pampa operates an installed capacity of approximately 5,472 MW, which represents 12% of Argentina’s installed capacity.

In power transmission, Pampa co-controls Transener, a company in which we have a 26.3% indirect interest and operates and maintains 86% of the Argentine high voltage transmission grid covering 22.4 thousand km of lines.

The assets in oil and gas comprises both operated and non-operated blocks at Pampa Energía’s stake. The total average production as of Q1 26 in Argentina amounted to 100.6 thousand barrels of oil equivalent per day (81% gas), with operations in 11 productive blocks and 485 productive wells as of March 31, 2026.

In the gas value chain, midstream is made up by our 26.9% co-controlling interest at TGS, the country’s largest gas transportation company, owning a 9,248 km-long gas pipelines and a NGL plant, General Cerri, with production capacity of 1 million tons per year.

Finally, in downstream, Pampa owns two high-complexity petrochemical plants producing styrene, Styrene Butadiene Rubber (‘SBR’) and polystyrene, with a domestic market share ranging between 86% and 98%.

Pampa is listed on the Buenos Aires Stock Exchange (‘ByMA’) under the ticker ‘PAMP’, takes part in the S&P Merval and the sustainability (non-traded) indexes, and is a member of the special stocks quote panel, known as +GC Panel, which selects listed companies having the best corporate governance practices.

Pampa has a Level II American Depositary Share (‘ADS’) program listed in the New York Stock Exchange (‘NYSE’) under the ticker ‘PAM’, and each ADS represents 25 common shares.