YPF S.A. Material Event Update (Form 6-K)

YPF informs investors that critical conditions for its LNG Export Project have been met.

• The Final Investment Decision (FID) was adopted by Southern Energy S.A. (SESA), where YPF holds an indirect 25% interest via SUR.
• The Free Export Authorization certificate for LNG (30-year term) was issued by the National Secretariat of Energy.
• This satisfies conditions precedent for the Bareboat Charter Agreement (BBCA MKII) signed with GOLAR MK II CORPORATION on May 2, 2025.

This confirms significant regulatory and financial milestones