SCHEDULE 13G 0000936828 XXXXXXXX LIVE Class A Shares Representing Limited Liability Company Interests 09/18/2025 0002064947 WaterBridge Infrastructure LLC 940923105 555 San Felipe Street Suite 1200 Houston TX 77056 Rule 13d-1(d) GIC Private Ltd U0 0.00 3398115.00 0.00 3398115.00 3398115.00 N 7.9 CO (1) Percent of class represented by amount in Row (9) is based on 43,264,850 Class A Shares representing limited liability company interests ("Class A Shares") of WaterBridge Infrastructure LLC (the "Company") following the completion of the Company's initial public offering and based on information received from the Company. GIC Special Investments Private Limited U0 0.00 3398115.00 0.00 3398115.00 3398115.00 N 7.9 CO (1) Percent of class represented by amount in Row (9) is based on 43,264,850 Class A Shares following the completion of the Company's initial public offering and based on information received from the Company. Ashburton Investment Private Limited U0 0.00 3398115.00 0.00 3398115.00 3398115.00 N 7.9 CO (1) Percent of class represented by amount in Row (9) is based on 43,264,850 Class A Shares following the completion of the Company's initial public offering and based on information received from the Company. WaterBridge Infrastructure LLC 555 San Felipe Street, Suite 1200, Houston, Texas 77056 GIC Private Limited GIC Special Investments Private Limited Ashburton Investment Private Limited 168 Robinson Road #37-01 Capital Tower Singapore 068912 GIC Private Limited - Republic of Singapore GIC Special Investments Private Limited - Republic of Singapore Ashburton Investment Private Limited - Republic of Singapore Y Ownership information with respect to GIC Private Limited ("GIC"), GIC Special Investments Private Limited ("GIC SI") and Ashburton Investment Private Limited ("Ashburton") is incorporated by reference to items (5) through (9) and (11) on the cover page for each entity. Ashburton shares the power to vote and the power to dispose of 3,398,115 Class A Shares held directly by it with GIC SI and GIC. GIC SI is wholly owned by GIC and is the private equity investment arm of GIC. GIC is a fund manager and only has 2 clients - the Government of Singapore ("GoS") and the Monetary Authority of Singapore ("MAS"). Under the investment management agreement with GoS, GIC has been given the sole discretion to exercise the voting rights attached to, and the disposition of, any shares managed on behalf of GoS. GIC is wholly owned by the GoS and was set up with the sole purpose of managing Singapore's foreign reserves. The GoS disclaims beneficial ownership of these shares. 7.9% 0 3,398,115 0 3,398,115 Y Y Y Y Y Y GIC Private Ltd /s/ Wong Hui Ping 11/06/2025 /s/ Wee Linrong 11/06/2025 GIC Special Investments Private Limited /s/ Sensen Lin 11/06/2025 Ashburton Investment Private Limited /s/ Arthur Chen Yi-Liong 11/06/2025 Exhibit A Joint Filing Agreement, dated as of November 6, 2025