SCHEDULE 13D/A

Pampa Energia SA

Common Shares, par value Ps.1.00 (the "Pampa Shares") American Depositary Shares, each representing 25 Pampa Shares (the "Pampa ADSs") · CUSIP: 697660207

Event date: 2025-12-12

Filing-level shares

190,035,798.00

Percent of class

13.94%

• Marcos Marcelo MindlinReported CIK 0002022936

  Shares: 190,035,798.00 · Class: 13.94%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.