B2M Limited Partnership B2M Limited Partnership 2025 24,053,057.16 -257,154.24 0.00 75,140.34 -272,337.59 23,598,705.68 3,435,699.10 20,163,006.57 0.00 0.00 2,112,534.99 0.00 0.00 458,324,215.41 451,034,059.89 451,034,059.89 454,679,137.65 454,679,137.65 4.00 18,187,165.51 56.00 254,620,317.08 40.00 181,871,655.06 11.09 9.21 1.88 Within 300 basis points d Canadian Niagara Power Inc. Canadian Niagara Power Inc. 2025 1,511,482.18 2,043.82 -194,125.61 1,319,400.39 33,321.00 -17,580.67 1,370,302.07 2,144,653.78 2,144,653.78 2,144,653.78 0.00 0.00 22,165,752.42 24,591,502.09 139,815.36 24,451,686.73 23,308,719.58 23,308,719.58 4.00 932,348.78 56.00 13,052,882.96 40.00 9,323,487.83 14.70 9.30 5.40 Over-earning Chatham x Lakeshore GP Inc., general partner of Chatham x Lakeshore Limited Partnership Chatham x Lakeshore GP Inc., general partner of Chatham x Lakeshore Limited Partnership 2025 9,589,981.15 876,654.88 -32,225.13 -313,217.62 10,121,193.28 -262,964.05 9,858,229.23 811,234.14 811,234.14 811,234.14 0.00 203,189,597.95 203,568,413.34 203,568,413.34 203,379,005.65 203,379,005.65 4.00 8,135,160.23 56.00 113,892,243.16 40.00 81,351,602.26 12.12 9.25 2.87 Within 300 basis points d Hydro One Networks Inc. Hydro One Networks Inc. 2025 802,215,565.07 12,242,789.97 -47,245,104.13 <_x0031__Other_Adjustment_Items>103,489,410.99 <_x0031__Other_Adjustment_Items_Details>2025 ESM Addback 870,702,661.90 118,318,568.48 162,251,325.51 826,769,904.86 461,793,664.52 461,793,664.52 461,793,664.52 7.19 33,192,167.36 15,736,402,548.60 18,881,418,005.37 2,173,364,384.63 <_x0031__Less_Other_Adjustments>17,294,533.13 <_x0031__Less_Other_Adjustments_Comments>Future Use Land 16,690,759,087.61 16,213,580,818.11 16,246,772,985.46 4.00 649,870,919.42 56.00 9,098,192,871.86 40.00 6,498,709,194.19 12.72 9.36 3.36 Over-earning Hydro One Sault Ste. Marie Inc. on Behalf of Hydro One Sault Ste. Marie LP Hydro One Sault Ste. Marie Inc. on Behalf of Hydro One Sault Ste. Marie LP 2025 28,749,154.00 3,482,015.45 -10,010,893.16 22,220,276.28 5,215,820.46 17,004,455.82 9,203,394.00 9,203,394.00 9,203,394.00 4.40 404,949.34 222,183,296.00 275,138,857.00 275,138,857.00 248,661,076.50 249,066,025.84 4.00 9,962,641.03 56.00 139,476,974.47 40.00 99,626,410.33 17.07 9.19 7.88 Over-earning Niagara Reinforcement Limited Partnership Niagara Reinforcement Limited Partnership 2025 9,589,981.15 876,654.88 -32,225.13 -313,217.62 10,121,193.28 -262,964.05 9,858,229.23 811,234.14 811,234.14 811,234.14 0.00 203,189,597.95 203,568,413.34 203,568,413.34 203,379,005.65 203,379,005.65 4.00 8,135,160.23 56.00 113,892,243.16 40.00 81,351,602.26 12.12 9.25 2.87 Within 300 basis points d PUC (Transmission) LP by its general partner PUC (Transmission) GP Inc. PUC (Transmission) LP by its general partner PUC (Transmission) GP Inc. 2025 Upper Canada Transmission 2, Inc. Upper Canada Transmission 2, Inc. 2025 65,805.55 301.02 0.00 110.24 -25,412.80 40,804.01 0.00 -1,722.34 0.00 39,081.67 18,816.00 18,816.00 0 18,816.00 0.00 0.00 877,751.36 867,338.74 0.00 0.00 867,338.74 872,545.05 872,545.05 4.00 34,901.80 56.00 488,625.23 40.00 349,018.02 11.20 8.34 2.86 Within 300 basis points d Wataynikaneyap Power GP Inc. Wataynikaneyap Power GP Inc. 2025 49,443,591.00 34,782.00 1,396,930.00 50,875,303.00 50,875,303.00 27,297,009.00 27,297,009.00 27,262,227.00 0.00 0.00 1,272,511,343.00 1,725,950,275.00 <_x0031__Less_Other_Adjustments>466,139,875.00 <_x0031__Less_Other_Adjustments_Comments>Deferred Contribution in Aid of Construction 1,259,810,400.00 1,266,160,871.50 1,266,160,871.50 4.00 50,646,434.86 56.00 709,050,088.04 40.00 506,464,348.60 10.05 9.00 1.05 Within 300 basis points d