X0607 3 2026-04-01 0 0001989393 PARTNERS GROUP NEXT GENERATION INFRASTRUCTURE, LLC N/A 0002125337 Partners Group Next Generation Infrastructure 2025 Feeder Fund LLC false 1114 AVENUE OF THE AMERICAS, 37TH FLOOR NEW YORK NY 10036 0 0 0 1 Affiliate of the Adviser Limited Liability Shares, Class I 42857000 D The Reporting Person is an affiliate of the adviser and has submitted a subscription document to purchase units of the issuer as of April 1, 2026. The amount of shares purchased, the price and the amount of shares beneficially owned after the transaction are estimated using a February 28, 2026 net asset value (NAV) due to the timing of the calculation of the issuer's NAV, which is not available at the time of this filing. /s/ Helen Flood, Director of Partners Group (USA) Inc., Manager of the Reporting Owner 2026-04-11