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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. FY2026 1st Quarter Financial Results (April 1 – June 30, 2026) Tokyo Electric Power Company Holdings, Inc.
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved.
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. (Released on July 29, 2026) (Note) Please note that the following is an accurate and complete translation of the original Japanese version prepared for the convenience of our English-speaking investors. In case of any discrepancy between the translation and the Japanese original, the latter shall prevail. Overview of FY2026 1st Quarter Financial Results Regarding Forward-Looking Statements Certain statements in the following presentation regarding TEPCO Group’s business operations may constitute “forward-looking statements.” As such, these statements are not historical facts but rather predictions about the future, which inherently involve risks and uncertainties, and these risks and uncertainties could cause TEPCO Group’s actual results to differ materially from the forward-looking statements herein. * The figures described in this document may not match the totals due to rounding 111
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. (Unit: Billion Yen) FY2026 Apr–Jun (A) FY2025 Apr–Jun (B) Comparison (A)-(B) (A)/(B) (%) Operating Revenue 1,481.1 1,425.1 +56.0 103.9 Operating Income (Loss) -34.2 64.6 -98.9 – Ordinary Income (Loss) 11.4 101.2 -89.8 11.3 Extraordinary Income (Loss) -15.6 -954.9 +939.2 – Net Income (Loss) Attributable to Owners of Parent -9.7 -857.6 +847.8 – 【FY2026 Consolidated Performance Forecast】 ➢ To be determined 21. Consolidated Financial Results Summary 【 Main Points of the FY2026 1st Quarter Financial Results 】 ➢ Operating Revenue increased mainly due to an increase in revenue related to supply and demand adjustment resulting from surging fuel and wholesale electricity market prices and other factors in the PG segment, despite a decrease in total electricity volume in the EP segment. ➢ Ordinary Income (Loss) decreased due to an increase in electricity procurement costs resulting from surging fuel and wholesale electricity market prices and other factors in the EP and PG segments. ➢ Net Income (Loss) Attributable to Owners of Parent increased mainly due to a decrease in extraordinary loss on disaster from that recorded in the same period of the previous fiscal year, among other factors. 22
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. (Unit: Billion kWh) FY2026 Apr–Jun (A) FY2025 Apr–Jun (B) Comparison (A)-(B) (A)/(B) (%) Total Electricity Sales Volume 44.1 48.1 -4.0 91.6 Retail Electricity Sales Volume 34.4 38.6 -4.2 89.0 Wholesale Electricity Sales Volume 9.8 9.5 +0.2 102.4 ※3 3 *1 *2 (Ref.) Key Factors Affecting Financial Results Electricity Sales Volume *1 Total of EP consolidated (EP/PinT) and PG (last resort supply/islands) *2 Total (excluding indirect auctions) of EP, PG (including inter-regional), and RP consolidated (RP/Tokyo Electric Generation) Area Demand FY2026 Apr–Jun (A) FY2025 Apr–Jun (B) Comparison (A)-(B) (A)/(B) (%) Area Demand 57.8 58.9 -1.1 98.1 (Unit: Billion kWh) Exchange Rate/CIF FY2026 Apr–Jun (A) FY2025 Apr–Jun (B) (A)-(B) Foreign Exchange Rate (Interbank, yen/dollar) 159.6 144.6 +15.0 Crude Oil Price (All Japan CIF, dollars/barrel) 112.7 75.2 +37.5 Nuclear Power Plant Capacity Utilization Ratio (%) 17.1 – +17.1 *3 The crude oil price for FY2026 is the tentative price announced on July 22, 2026 *3 33
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. 42. Overview of Each Company (Unit: Billion Yen) FY2026 Apr–Jun (A) FY2025 Apr–Jun (B) Comparison (A)-(B) (A)/(B) (%) Operating Revenue 1,481.1 1,425.1 +56.0 103.9 TEPCO Holdings (HD) 220.8 165.7 +55.0 133.2 TEPCO Fuel & Power (FP) 0.7 0.9 -0.1 85.7 TEPCO Power Grid (PG) 592.8 517.7 +75.0 114.5 TEPCO Energy Partner (EP) 1,087.0 1,149.6 -62.5 94.6 TEPCO Renewable Power (RP) 71.7 58.4 +13.3 122.8 Adjustments -492.1 -467.5 -24.6 – Ordinary Income (Loss) 11.4 101.2 -89.8 11.3 Impact of timing differences 16.0 40.0 -24.0 40.0 Excluding impact of timing differences -4.5 61.2 -65.8 – TEPCO Holdings (HD) 302.7 162.9 +139.7 185.7 TEPCO Fuel & Power (FP) 56.6 39.4 +17.2 143.7 Impact of timing differences -2.0 22.0 -24.0 – Excluding impact of timing differences 58.6 17.4 +41.2 336.5 TEPCO Power Grid (PG) -31.2 22.4 -53.7 – TEPCO Energy Partner (EP) -50.9 30.6 -81.5 – Impact of timing differences 18.0 18.0 -0 100.0 Excluding impact of timing differences -68.9 12.6 -81.5 – TEPCO Renewable Power (RP) 28.1 23.5 +4.5 119.5 Adjustments -294.0 -177.8 -116.2 – 44
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. 5 PG -53.7 RP +4.5 HD +139.7 Adjustments -116.2 FY2025 Apr–Jun 101.2 FY2026 Apr–Jun 11.4 Negative turn in timing differences -24.0 EP (Excluding impact of timing differences) -81.5 Excluding impact of timing differences -4.5 FP： -24.0 EP： -0 3. Points of Each Company ➢ HD: Ordinary income increased mainly due to an increase in dividend income. ➢ FP: Ordinary income increased mainly due to an increase in profits from domestic thermal power and gas businesses, as well as overseas and renewable power generation businesses. ➢ PG: Ordinary income decreased mainly due to an increase in costs related to supply and demand adjustment. ➢ EP: Ordinary income decreased mainly due to a decrease in total electricity sales volume and an increase in procurement unit prices. ➢ RP: Ordinary income increased mainly due to an increase in wholesale electricity sales. Ordinary Income (Loss) (Unit: Billion Yen) Excluding impact of timing differences -65.8FP (Excluding impact of timing differences) +41.2 Decrease in profits: 89.8 billion (Ref.) This presents Year-on-Year comparisons of the impact of timing differences and of ordinary income excluding that impact Excluding impact of timing differences 61.2 55
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. 64. Consolidated Extraordinary Income (Loss) (Unit: Billion Yen) FY2026 Apr–Jun (A) FY2025 Apr–Jun (B) Comparison (A)-(B) Extraordinary Income – – – Extraordinary Loss 15.6 954.9 -939.2 Extraordinary Loss on disaster – 903.0 -903.0 Expenses for Nuclear Damage Compensation* 15.6 51.9 -36.2 Extraordinary Income (Loss) -15.6 -954.9 +939.2 * Increases due to the extension of the calculation period for estimated amounts related to damages due to the restriction on shipment and damages due to groundless rumors, and indirect damages, and other damages 66
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. ➢ Total assets balance decreased by ¥205.3 billion mainly due to a decrease in current assets, despite an increase in non-current assets. ➢ Total liabilities balance decreased by ¥211.4 billion mainly due to decreases in accounts payable and accrued expenses. ➢ Total net assets balance increased by ¥6.1 billion mainly due to an increase in accumulated other comprehensive income. ➢ Equity ratio improved by 0.3 points. Improved by 0.3 points ・Accounts payable -85.0 ・Accrued expenses -82.3 ・Accrued taxes -74.3 ・Accumulated other comprehensive income +15.9 ・Net Income (Loss) Attributable to Owners of Parent -9.7 75. Consolidated Financial Position Net Assets 3,418.3 Increase in net assets Decrease in liabilities -211.4 +6.1 Total Assets 15,370.2 Decrease in assets -205.3 Total Assets 15,575.6 Equity ratio: 21.8% Liabilities 12,157.2 Balance Sheet as of March 31, 2026 Balance Sheet as of June 30, 2026 (Unit: Billion Yen) ・Electric utility plant and equipment +340.8 ・Investments and other assets +61.0 ・Construction in progress -298.2 ・Current assets -322.2 Equity ratio: 22.1% Liabilities 11,945.8 Net Assets 3,424.4 77
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Ordinary Income (Loss) (Ref.) Year-on-Year Comparisons for TEPCO HD 9 (Unit: Billion Yen) Profit includes dividend income, decommissioning subsidy income, management support fees, wholesale electricity sales of nuclear power generation, and related items. Expenses mainly include repair expenses and depreciation for nuclear power generation facility, and general and special contributions to the NDF. Profit structure Ordinary Income (Loss) (Unit: Billion Yen) FY2026 FY2025 Comparison Apr–Jun 302.7 162.9 +139.7 Apr–Sep 142.3 Apr–Dec 119.4 Apr–Mar 128.9 FY2025 Apr–Jun 162.9 Increase in dividend income +117.1 FY2026 Apr–Jun 302.7 Increase in profits: 139.7 billionIncrease in wholesale electricity sales and related factors +22.6 88
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. (Ref.) Year-on-Year Comparisons for TEPCO FP 10 Excluding impact of timing differences +41.2 Negative turn in timing differences -24.0 Increase in profits from the domestic thermal power and gas business +34.3 Increase in fuel business profit +0.4 Increases from overseas and renewable power generation businesses and other factors Profit structureOrdinary Income (Loss) (Unit: Billion Yen) Main profit is share of profit (loss) of entities accounted for using equity method, such as supply and demand balance at JERA. FY2025 Apr–Jun 39.4 Excluding impact of timing differences 17.4 FY2026 Apr–Jun 56.6 Excluding impact of timing differences 58.6 Increase in profits: 17.2 billion Impact of Timing Differences (Impact from JERA’s equity share) (Unit: Billion Yen) FY2026 FY2025 Comparison Apr–Jun -2.0 +22.0 -24.0 Apr–Sep +33.0 Apr–Dec +12.0 Apr–Mar +5.0 (Unit: Billion Yen)Ordinary Income (Loss) FY2026 FY2025 Comparison Apr–Jun 56.6 39.4 +17.2 Apr–Sep 72.7 Apr–Dec 89.9 Apr–Mar 83.3 +6.4 99
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. 11(Ref.) Year-on-Year Comparisons for TEPCO PG Decrease in transmission revenue* -2.9 Increase in costs related to supply and demand adjustment and other factors -42.3 Others -8.3 Increase in the procurement unit price and other factors Operating revenue is mainly transmission revenue, and this is fluctuated by area demand. Expenses are mainly for repairs expenses and depreciation of transmission and distribution facilities. Profit structure Ordinary Income (Loss) (Unit: Billion Yen) FY2025 Apr–Jun 22.4 FY2026 Apr–Jun -31.2 Decrease in profits: 53.7 billion Area Demand FY2026 FY2025 Comparison Apr–Mar 57.8 58.9 -1.1 (Unit: Billion kWh) FY2026 FY2025 Comparison Apr–Jun -31.2 22.4 -53.7 Apr–Sep 93.9 Apr–Dec 124.1 Apr–Mar 81.7 (Unit: Billion Yen)Ordinary Income (Loss) * Transmission revenue excludes the impact of imbalance earnings and expenditure 1010
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. FY2026 Apr–Jun (A) FY2025 Apr–Jun (B) Comparison Lighting 11.1 11.9 -0.8 Power 23.2 26.6 -3.4 Total 34.3 38.5 -4.2 Competition: -3.3, Temperature impact: -0.7, Others: -0.2 12(Ref.) Year-on-Year Comparisons for TEPCO EP Negative turn in timing differences -0 Quantity impact* -7.1 Others -9.9 Unit price impact* -64.5 Ordinary Income (Loss) (Unit: Billion Yen) Profit structure Operating revenue is mainly from electricity charges and fluctuates with electricity sales volume. Expenses are mainly costs for purchased power and for third party’s power transmission services. FY2025 Apr–Jun 30.6 Excluding impact of timing differences 12.6 * It shows the difference between sales impact and procurement impact FY2026 Apr–Jun -50.9 Excluding impact of timing differences -68.9 Decrease in profits: 81.5 billion Retail Electricity Sales Volume (EP consolidated)(Unit: Billion kWh) Impact of Timing Differences (Unit: Billion Yen) FY2026 FY2025 Comparison Apr–Jun +18.0 +18.0 -0.0 Apr–Sep +17.0 Apr–Dec +25.0 Apr–Mar +23.0 Gas Contracts (EP non-consolidated) As of June 30, 2026 As of March 31, 2026 Approx. 1.51 million Approx. 1.51 million (Unit: Billion Yen)Ordinary Income (Loss) FY2026 FY2025 Comparison Apr–Jun -50.9 30.6 -81.5 Apr–Sep 107.8 Apr–Dec 138.6 Apr–Mar 254.9 Increase in the electricity procurement unit price and other factors Excluding impact of timing differences -81.5 Impact of decreases in retail electricity sales volume and other factors 1111
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. 13(Ref.) Year-on-Year Comparisons for TEPCO RP Ordinary Income (Loss) (Unit: Billion Yen) Profit structure Operating revenue is mainly wholesale electricity sales of hydroelectric and renewable energies. Expenses are mainly for depreciation and repair expenses. FY2025 Apr–Jun 23.5 Increase in wholesale electricity sales and other factors +4.3 Others +0.2 FY2026 Apr–Jun 28.1 Increase in profits: 4.5 billion Flow Rate FY2026 FY2025 Comparison Apr–Jun 90.7 101.9 -11.2 (Unit: %) (Unit: Billion Yen)Ordinary Income (Loss) FY2026 FY2025 Comparison Apr–Jun 28.1 23.5 +4.5 Apr–Sep 43.3 Apr–Dec 45.9 Apr–Mar 40.3 1212
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Gain +9.0 Excluding impact of timing differences 93.2 Ordinary Income (Loss) 102.2 FY2024 Apr–Jun Gain +40.0 Gain +16.0 Negative turn in timing differences -24.0 Cost side element 14(Ref.) Image of Timing Differences Apr 2026Apr 2025 FY2025 Apr–Jun FY2026 Apr–Jun Ordinary Income (Loss) 101.2 Excluding impact of timing differences 61.2 Ordinary Income (Loss) 11.4 Excluding impact of timing differences -4.5 Apr 2024 (Unit: Billion Yen) Revenue side element 1313
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. 14 FY2026 Number of periods with prices of 40 JPY/kWh or higher Number of periods with prices of 50 JPY/kWh or higher April May June Total April May June Total Hokkaido 7 2 1 10 3 – – 3 Tohoku 12 8 9 29 6 2 – 8 Tokyo 54 32 21 107 18 12 4 34 Chubu 17 12 5 34 – – – – Hokuriku 5 11 2 18 – – – – Kansai – 11 2 13 – – – – Chugoku – 1 – 1 – – – – Shikoku – – – – – – – – kyushu – 1 – 1 – – – – *2 Based on data published by JEPX （Ref.） Spot Market Price Trends by Area **1 One period = 30 minutes (48 periods per day). The number of periods at or above each price level is counted *1 *1 1414
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. (Ref.) Trends in Interest-bearing Debt Balance 15 (Billion Yen) (End of FY) * Figures up until FY2015 represent non-consolidated results of the former TEPCO, and figures from FY2016 onward reflect consolidated results (Ref.) June 30, 2026 1515
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. 16(Ref.) Trends in Capital Expenditures & Depreciation (Billion Yen) 【Planned】* (Ref.) 2026 Apr–Jun (FY) * Excerpt from "3. Plans for New Installations, Retirement, etc. of Facilities" in TEPCO Holdings’ Annual Securities Report for FY2025 1616
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. (Ref.) Trends in Free Cash Flow (FCF) (FY) 17 (Billion Yen) 1717
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Supplemental Material 211818
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Financial Results Detailed Information Consolidated Statements of Income 21 Current Situation and Status of Units 1 through 4 32 22 ALPS Treated Water Discharge Results & Plans 33 Milestones and Progress in the 5th Revision of Mid-and-Long-Term Roadmap 34 Amount of Compensation for Nuclear Damages Paid 35 Consolidated Balance Sheets 23 and Amount of Compensation to Be Paid Key Factors Affecting Performance 24 (Ref.) Overview of Necessary Funds to Fulfill Our Responsibilities to Fukushima 36 Monthly Trends in Retail Electricity Sales Volume and Power Generation Volume 25 (Ref.) Status of Secured Funding for Fulfilling Our Responsibilities to Fukushima 37 Schedules for Public Bond Redemption 26 Efforts to Increase Corporate Value Main Efforts to Increase Corporate Value -1 39 Construction Process of Specialized Safety Facility 28 Main Efforts to Increase Corporate Value -2 40 Communication with Local Communities 29 Main Efforts to Increase Corporate Value -3 41 Contributing to Niigata Prefecture Through Financial Contributions 30 Initiatives to Promote Management Conscious of Capital Cost 42 and Stock Price (Re-presented) Current Status of Fukushima Daiichi NPS and Future Initiatives The status of Grants–in-aid from Nuclear Damage Compensation and Decommissioning Facilitation Corporation and Expenses for Nuclear Damage Compensation Status of Kashiwazaki-Kariwa Nuclear Power Station Table of Contents 221919
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. FY2026 1st Quarter Financial Results Detailed Information 172020
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. (Unit: Billion Yen) (A)-(B) (A)/(B) (%) Operating Revenue 1,481.1 1,425.1 56.0 103.9 Operating Expenses 1,515.4 1,360.4 155.0 111.4 -34.2 64.6 -98.9 － 89.7 61.9 27.7 144.8 Share of Profit of Entities Accounted for Using Equity Method 77.7 57.4 20.2 135.3 44.0 25.3 18.6 173.5 11.4 101.2 -89.8 11.3 0.0 0.4 -0.3 13.3 － － － － 15.6 954.9 -939.2 － 5.4 3.7 1.7 146.5 0.0 -0.1 0.1 － -9.7 -857.6 847.8 － Income Taxes Net Income (Loss) Attributable to Non-controlling Interests Net Income (Loss) Attributable to Owners of Parent Extraordinary Loss FY2026 Apr–Jun (A) FY2025 Apr–Jun (B) Comparison Operating Income (Loss) Non-operating Income Non-operating Expenses Ordinary Income (Loss) Extraordinary Income Provision or Reversal of Reserve for Water Shortage Consolidated Statements of Income 182121
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. ◇Grants-in-aid from Nuclear Damage Compensation and Decommissioning Facilitation Corporation 8,369.2 － 8,369.2 ◆Expenses for Nuclear Damage Compensation ●Compensation for individual damages ●Compensation for business damages ●Other expenses ● Amount of indemnity for nuclear accidents from the government -188.9 － -188.9 ●Grants-in-aid corresponding to decontamination and other expenses -5,197.3 － -5,197.3 Total 8,375.1 15.6 8,390.8 (Unit: Billion Yen) Item FY2010 to FY2025 FY2026 Apr–Jun Cumulative Amount ○Grants-in-aid based on Nuclear Damage Compensation and Decommissioning Facilitation Corporation Act * Numbers above are those after deduction of a governmental indemnity and Grants-in-aid corresponding to decontamination and other expenses of '¥5,388.5 billion 2,492.7 0.6 2,493.4 ・Expenses for radiation inspection, mental distress, damages caused by voluntary evacuations, and opportunity losses on salary of workers, etc. 3,691.8 14.9 3,706.8 ・Opportunity losses on businesses, damages due to the restriction on shipment, damages due to groundless rumor and package compensation, etc. 7,576.7 0.0 7,576.8 ・Damages due to decline in value of properties, housing assurance damages, decontamination and other expenses, etc. * * The Status of Grants-in-aid from Nuclear Damage Compensation and Decommissioning Facilitation Corporation and Expenses for Nuclear Damage Compensation 1922
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. (Unit: Billion Yen) (A)-(B) (A)/(B) (%) 15,370.2 15,575.6 -205.3 98.7 13,342.7 13,225.8 116.9 100.9 2,027.5 2,349.7 -322.2 86.3 11,945.8 12,157.2 -211.4 98.3 7,560.2 7,473.0 87.1 101.2 4,385.5 4,684.1 -298.6 93.6 0.0 － 0.0 － 3,424.4 3,418.3 6.1 100.2 2,955.4 2,965.2 -9.7 99.7 440.2 424.3 15.9 103.7 28.6 28.7 -0.0 100.0 Liabilities Non-current Liabilities Current Liabilities Reserve for Water Shortage Comparison Total Assets Non-current Assets Current Assets 2026 (B) Mar 31June 30 2026 (A) Shareholders' Equity Accumulated Other Comprehensive Income Non-controlling Interests Net Assets <Ref.> FY2026 Apr–Jun (A) FY2025 Apr–Jun (B) (A)-(B) ROA(%) -0.2 0.4 -0.6 ROE(%) -0.3 -26.0 25.7 EPS(Yen) -6.11 -535.36 529.25 ROA: Operating Income/Average Total Assets ROE: Net Income Attributable to Owners of Parent/Average Equity Capital <Interest-bearing debt balance> (Unit: Billion Yen) Jun 30 2026 (A) Mar 31 2026 (B) (A)-(B) Bonds 3,601.0 3,541.0 60.0 Long-term Debt 101.9 104.4 -2.4 Short-term Loans 2,975.3 2,926.3 48.9 Commercial Papers 67.0 62.0 5.0 Total 6,745.2 6,633.7 111.4 Consolidated Balance Sheets 202323
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. FY2026 Apr–Jun FY2025 Apr–Jun [Ref.] FY2025 Total Electricity Sales Volume (Billion kWh) 44.1 48.1 213.2 Retail Electricity Sales Volume (Billion kWh)*1 34.4 38.6 171.9 Wholesale Electricity Sales Volume(Billion kWh)*2 9.8 9.5 41.3 Gas Sales Volume (Million ton) 0.47 0.48 2.53 Foreign Exchange Rate (Interbank; yen/dollar) 159.6 144.6 150.7 Crude Oil Price (All Japan CIF; dollars/barrel)*3 112.7 75.2 71.4 Nuclear Power Plant Capacity Utilization Ratio (%) 17.1 – 1.1 Key Factors Affecting Performance Results *1 Total of EP consolidated (EP/ PinT) and PG (last resort supply/ islands) *2 Total (excluding indirect auctions) of EP, PG (including inter-regional), and RP consolidated (RP/ Tokyo Electric Generation) *3 The crude oil price for FY2026 is the tentative price announced on July 22, 2026 Key Factors Affecting Performance 21 <Fluctuation of Foreign Exchange Rate> <Fluctuation of All Japan CIF> 2424
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. (Unit: Billion kWh) Apr May Jun Apr–Jun Hydroelectric 0.97 1.11 0.89 2.97 Thermal 0.01 0.01 0.01 0.03 Nuclear 0.95 0.98 0.94 2.87 Renewable Energy, etc. 0.01 0.01 0.01 0.02 Total 1.93 2.11 1.85 5.89 Apr May Jun Apr–Jun Hydroelectric 1.02 1.25 1.15 3.41 87.0% Thermal 0.01 0.01 0.01 0.03 93.5% Nuclear – – – – – Renewable Energy, etc. 0.01 0.01 0.01 0.02 82.8% Total 1.04 1.26 1.17 3.47 169.8% FY2025 [Ref.]Year-on-year Comparison (Apr–Jun) FY2026 (Unit: Billion kWh) Apr May Jun Apr–Jun Lighting 4.36 3.42 3.30 11.08 Power 7.42 7.54 8.24 23.20 Total 11.78 10.96 11.54 34.28 Apr May Jun Apr–Jun Lighting 4.72 3.64 3.53 11.89 93.2% Power 8.81 8.58 9.22 26.61 87.2% Total 13.54 12.22 12.75 38.50 89.0% FY2026 FY2025 [Ref.]Year-on-year Comparison (Apr–Jun) Monthly Trends in Retail Electricity Sales Volume and Power Generation Volume * Power generation volume includes part of consolidated subsidiaries Retail Electricity Sales Volume (EP Consolidated) Power Generation Volume* 282525
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Schedules for Public Bond Redemption Note: The amount redeemed for Apr–Jun of FY2026 totaled ¥110.0 billion (FY) (Billion Yen) TEPCO Public Bond TEPCO Power Grid Public Bond Amount at Maturity (As of June 30, 2026) TEPCO Renewable Power Public Bond 292626
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Status of Kashiwazaki-Kariwa Nuclear Power Station (NPS) 25302727
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Construction Process of Specialized Safety Facility 32 ✓The Specialized Safety Facility (SSF) is a backup facility designed to prevent damage to the reactor containment vessel against intentional acts, including a large aircraft crash into reactor buildings and other acts of terrorism. ✓SSF has a legally mandated installation deadline, and if it is not completed by that deadline, plant operations must be suspended. ✓In April 2026, NRA approved a proposal to change the reference date for calculating the installation deadline for SSF to the pre-service inspection date. NRA is expected to deliberate on the draft regulatory amendment, which will then be implemented. ✓Accordingly, the installation deadline for Unit 6 is expected to be revised from September 2029 to April 2031. 【Installation deadline/Scheduled construction completion date】 Installation deadline Scheduled construction completion date* Unit 6 April 2031 (After the regulatory amendment) September 2031 Unit 7 October 2025 August 2029 2025 2026 2027 2028 2029 2030 2031 Unit 6 Unit 7 Scheduled construction completion date August 2029 Previous deadline September 2029 Scheduled construction completion date September 2031 Installation deadline October 2025 Period preventing operation without SSF Grace period for installation Period preventing operation without SSF * Prospects at this time Revised deadline April 2031 2828
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Listening and PR Activities Communication with Local Communities 34 ✓ Following the commencement of commercial operation of Unit6 at the Kashiwazaki-Kariwa NPS, TEPCO continues to carry out listening and public relations activities across Niigata Prefecture, focusing on providing clear explanations regarding “plant safety”, “our reliability”, “the necessity of nuclear power”, and “initiatives for regional contribution”. Communication Booth NPS Tour PR magazine・Newspaper Ad・Insert Leaflet ○Approx. 8,700 people visited ○Held 33 times across 19 municipalities, for a total of 77 days, with 11,470 attendees ○News atom：Published regularly 12 times ○TEPCO magazine：Published 6 times ※FY2025 Results Bus Stop Ad・Digital Signage TV commercial ○Displayed at Niigata Station and Nagaoka Station ○Consolidated information with technical terms explained through illustrations and charts Kashiwazaki-Kariwa NPS Information Portal YouTube video ○ Aired on Four TV Stations in Niigata Prefecture 電源の確保と冷却手段地震や津波への備え 放射性物質の放出抑制 Radio commercial ○Aired on Both AM and FM Radio Stations in Niigata Prefecture 2929
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Actual Electricity Generation in the Previous Fiscal Year* Contribution Amount for the Current Fiscal Year 10 billion kWh or more ¥11.5 billion 9 billion kWh or more but less than 10 billion kWh ¥10.0 billion 8 billion kWh or more but less than 9 billion kWh ¥8.5 billion Less than 8 billion kWh ¥7.0 billion ✓On June 26, 2026, TEPCO and Niigata Prefecture signed a “Confirmation” regarding TEPCO’s financial contribution totaling approximately ¥100 billion to the prefecture to promote “the development of infrastructure that supports safe and secure living” and “vitalizing the regional economy” in Niigata Prefecture. ✓The annual contribution amount will be determined based on the actual volume of electricity generation at the Kashiwazaki-Kariwa NPS. ✓TEPCO will make an initial contribution of ¥10.0 billion in FY2026, regardless of the actual volume of electricity generation. ✓Beyond providing financial contributions, TEPCO will contribute to addressing the challenges facing Niigata Prefecture and promoting regional and industrial development while continuing dialogue with local communities. Contributing to Niigata Prefecture Through Financial Contributions 36 【Contribution Amounts to Niigata Prefecture】 * Actual electricity generation (sent-out basis) at the Kashiwazaki-Kariwa NPS in the previous fiscal year (final value) 3030
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Current Status of Fukushima Daiichi Nuclear Power Station(NPS) and Future Initiatives 333131
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Current Situation and Status of Units 1 through 4 ✓ Spent fuel removal from Units 3 and 4 was completed, spent fuel removal work is underway for Unit 2, and preparation work is underway for Unit 1. ✓ Trial retrieval of fuel debris (2nd time) from Unit 2 was completed, and preparation work is underway for Units 1 through 3. Works towards spent fuel removal ・Installation of the large cover for R/B was completed (in January 2026). ・Rubble removal work inside the large cover was started (in June 2026). ・Fuel removal work was started (in June 2026). ・Fuel removal from the SFP was completed (in February 2021). ・Removal of high-dose equipment stored in the SFP was started (in March 2023). ・Fuel removal from the SFP was completed (in December 2014). ・The removal of high-dose equipment stored in the SFP was started (in March 2024). Works towards fuel debris retrieval ・For the water drainage work for Reactor Building Closed Cooling Water System (RCW) heat exchanger, the work through the gas purge of the inlet and outlet header piping was completed. ・The draining work is scheduled to be carried out from FY2026. ・The robotic arm was transported to Fukushima Daiichi NPS and moved into the R/B (in April 2026). ・The schedule for the start of internal PCV inspection and fuel debris sampling is currently under review. ・During the internal RPV inspection, video footage was obtained and radiation dose measurements were conducted (in April 2026). ・Through the internal PCV gas-phase inspection (micro-drone survey), key information needed to study fuel debris retrieval methods was obtained. Upper Frame 34 Operating floor Current Situation Covering bag Unit 4 Pedestal Unit 3 West-side Front Chamber 601 Shield Spent Fuel Pool (SFP) 392 Unit 1 Primary Containment Vessel (PCV) Reactor Pressure Vessel (RPV) Fuel Debris Removed fuel(assemblies) 566/566 （Fuel removal completed on February 28, 2021） Land-side impermeable wall Freezing started on March 31, 2016 Frozen pipes Installation of frozen pipes completed on Nov 9, 2015 1568/1568(pipes) Dome Roof Fuel-Handling Machine Crane FHM Girder Reactor Building(R/B) Unit 2 Cover for Retrieving Fuel Shield Suppression Chamber(S/C) front chamber Water injectionWater injection Box Ring Movable Roof Lower Frame Temporary Platform Removed fuel(assemblies) 1535/1535 （Fuel removal completed on December 22, 2014） Removed fuel(assemblies) 14/615 （As of July 29, 2026） CR Guide Tube Control Rod Drive Exchange Equipment Water injection 3232
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. ✓ In FY2026, we plan 8 discharges, with an annual water discharge volume of approx. 62,400m3 and annual tritium discharge amount of approx. 11 trillion Bq. ✓ The 3rd discharge for FY2026 was completed by July 24, 2026. ✓ The dismantling of all 334 flanged tanks used at Units 1 through 4 to store contaminated water at the time of the accident was completed on June 15, 2026. We are planning to construct facilities related to the fuel debris retrieval from Unit 2 on the cleared site following dismantling, and will proceed with the removal of ancillary equipment, including dikes, as well as site clearance work. ALPS Treated Water Discharge Results & Plans 35 FY2026 Discharge History FY2026 Discharge Plan *As of July 24, 2026 3333
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. *1 The amount of contaminated water generated before measures were put in place was approx. 540m3/day (as of May 2014) *2 Except for the reactor building of Units 1 to 3, the main process building, the high temperature incinerator building *3 Except for the secondary waste from the water treatment and other waste that will be reused *4 Considered finalized as “Technical outlook on methods for treatment and disposal of solid waste, and their safety” was included in the “2021 Technical Strategy for Decommissioning of TEPCO Holdings’ Fukushima Daiichi Nuclear Power Station” published by the Nuclear Damage Compensation and Decommissioning Facilitation Corporation (published on October 29, 2021) Milestones and Progress in the 5th Revision of Mid-and-Long-Term Roadmap(December 2019) Maintain Overall Framework of Decommissioning Schedule Nov. 2013 End of 2031 30 – 40 years after cold shutdownDec. 2011 Dec. 2021 Major milestones Phase 1 Phase 2 Phase 3-(1) Phase 3 Perioduntilstartof spentfuel removal (within2 years) Perioduntilstartof fueldebrisretrieval (within10 years) Perioduntilcompletionof decommissioning(30–40yearslater) Field Details Period Status Contaminated water management Amount of contaminated water generated*1 Reduce to about 150m3/day Within 2020 Completed approx. 140m3/day (2020) Reduce to 100m3/day or less Within 2025 Completed approx. 80m3/day (FY2023) Stagnant water treatment Complete stagnant water treatment in buildings*2 Within 2020*2 Completed Reduce the amount of stagnant water in buildings to about a half of that in the end of 2020 FY2022 to 2024 Completed Fuel removal Complete of fuel removal from Unit 1 to 6 Within 2031 Fuel removal work was started for Unit 2. Completed removing fuel from Units 3 and 4 Complete of installation of the large cover at Unit 1 Around FY2023* *The scheduled completion date has been changed to within FY2025 Completed (Completed in January 2026) Start fuel removal from Unit 1 FY2027 to 2028 Rubble removal work began inside the large cover was started Start fuel removal from Unit 2 FY2024 to 2026 Completed （Started on June 2026） Fuel debris retrieval Start fuel debris retrieval from the first Unit （Start from Unit 2, expanding the scale gradually） Within 2021 Completed （Started on September 2024） Waste management Technical prospects concerning the processing/disposal policies and their safety Around FY2021 Completed*4 Eliminating temporary storage areas outside for rubble and other waste*3 Within FY2028*3 Working on based on the storage maintenance plan 363434
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. (Billion Yen) 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000 11,000 12,000 13,000 14,000 0 ✓ The amount of compensation paid as of the end of June 2026 was ¥11,726.2 billion. Oct. 28, 2011 1,010.9 ＜Amount of compensation paid and amount of compensation to be paid＞ ＜Zigzag line＞ Amount of compensation to be paid <Bar graph> Amount of compensation paid June 2026 cumulative ¥11,726.2 billion Decontamination, etc. ¥3,769.3 billion Corporations, Sole proprietors, etc. ¥3,788.5 billion Individuals ¥4,012.1 billion Tentative compensation ¥156.3 billion Dec. 27, 2011 1,700.3 (+689.4) [Comprehensive Special Business Plan] Mar. 29, 2012 2,546.2 (+845.9) Dec. 27, 2012 3,243.0 (+696.8) May. 31, 2013 3,909.3 (+666.2) [New Comprehensive Special Business Plan] Dec. 27, 2013 4,908.8 (+999.5) Jul. 23, 2014 5,421.4 (+512.5) Mar. 26, 2015 6,125.2 (+703.7) Jun. 29, 2015 7,075.3 (+950.1) Mar. 18, 2016 7,658.5 (+583.1) Dec. 27, 2016 8,366.4 (+707.8) [The Third Plan] May. 11, 2017 8,464.1 (+97.7) (+1,240.5) Jun. 28, 2017 9,704.7 Mar. 27, 2018 10,389.5 (+684.8) Sep. 26, 2019 11,353.4 (+386.1) Mar. 19, 2019 10,967.2 (+577.6) Mar. 19, 2020 11,882.2 (+528.8) (+439.4) Mar. 22, 2021 12,321.6 [The Fourth Plan] Jul. 21, 2021 12,321.6 Sep. 30, 2021 12,501.8 (+180.2) Mar. 22, 2022 12,586.5 (+84.6) Mar. 22, 2023 13,203.9 (+617.3) Mar. 15, 2024 13,417.9 (+214.0) 39 Mar. 3, 2025 13,597.1 (+179.1) Amount of Compensation for Nuclear Damages Paid and Amount of Compensation to Be Paid (Year/Month) 202520242023202220212020201920182017201620152014201320122011 2026 [The Fifth Plan] Jan. 9, 2026 13,670.3 (+73.2) Mar. 13, 2026 13,757.8 (+87.4) 3535
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. (Ref.) Overview of Necessary Funds to Fulfill Our Responsibilities to Fukushima ✓On January 26, 2026, the Fifth Comprehensive Special Business Plan was approved. ✓There are no changes to the outlook for the necessary funds and the allocation of cost recovery responsibilities to fulfill our responsibilities to Fukushima. Decommissioning Compensation Decontamination Interim Storage Facility Amount (¥23.4 trillion) ¥8.0 trillion ¥9.2 trillion ¥4.0 trillion ¥2.2 trillion Recovery Method [TEPCO] Deposited in NDF [Power Companies] General Contributions Special Contributions Profit on Sale of TEPCO Stock [Government] Special Account for Energy Measures * Based on and modified from “Forecast of TEPCO’s Compensation Costs and Review of the Issuance Limit for National Bonds” by METI （https://www.meti.go.jp/earthquake/nuclear/kinkyu/pdf/2023/r20231222baisyoutou.jissi.sankousiryou.pdf） Government issues national bonds and temporarily covers the expenses Total ¥15.4 trillion 40 Securing approx. ¥500.0 billion annually 【Necessary Funds and Recovery Method】 3636
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. (Billion Yen)Status of securing ¥500.0 billion per year (Billion Yen) * Amount of Notification from NDF * “①Decommissioning Reserve Fund” shows the trend in the amount accumulated since the introduction of the decommissioning reserve fund system Special Contributions General Contributions FY2011 － 28.3 FY2012 － 38.8 FY2013 50.0 56.7 FY2014 60.0 56.7 FY2015 70.0 56.7 FY2016 110.0 56.7 * Amount of Notification from NDF (Ref.) Trend in Contributions before the introduction of the Decommissioning Reserve Fund System (Billion Yen) 41 FY2017 FY2018 FY2019 FY2020 FY2021 FY2022 FY2023 FY2024 FY2025 ①Decommissioning Reserve Fund 391.3 361.1 280.4 260.0 260.1 270.0 260.1 262.0 260.7 ②Special Contributions 70.0 50.0 50.0 50.0 40.0 － 230.0 70.0 40.0 ③General Contributions 56.7 56.7 56.7 67.8 67.5 67.5 67.5 67.5 67.5 Total 518.0 467.8 387.1 377.8 367.7 337.6 557.7 399.6 368.3 (Ref.) Status of Secured Funding for Fulfilling Our Responsibilities to Fukushima 3737
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Efforts to Increase Corporate Value 453838
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Main Efforts to Increase Corporate Value –1 <TEPCO Holdings(HD)> April 14, 2026 The developers of the urban redevelopment project underway in Hibiya, Tokyo, have chosen an official name for the upcoming mixed-use district “HIBIYA CROSSPARK”. They have also created a logo and brand concept: “A place where all paths cross.” A website and brand concept movie will accompany the name launch. April 15, 2026 The “Disaster Preparedness Vaccine” activities, which TEPCO HD has been promoting with the Regional Disaster Prevention Practical Research Center at Nagaoka University of Technology with the aim of enhancing local community resilience, received the Awards for Science and Technology in the Public Understanding Promotion Category under the FY2026 Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology. June 22, 2026 TEPCO HD and Daiwa House Industry Co., Ltd. signed a business alliance agreement pertaining to the co-development of the grid-connected battery storage station, with the aim of promoting the development of assets that can be stably operated over the long-term in locations suitable for storage batteries and building infrastructure that can effectively leverage renewable energies and provide a stable supply of power. 44 <TEPCO Power Grid(PG)> May 11, 2026 TEPCO PG, together with Chubu Electric Power Grid Co., Inc. and Kansai Transmission and Distribution, Inc., was selected for “the FY2025 Supplementary Budget Demonstration Project for Demand Response Utilizing Smart Meters”, publicly solicited by the Sustainable open Innovation Initiative, and commenced the demonstration project. June 8, 2026 On February 5, 2026, TEPCO PG announced that the “Research project on submarine transmission line to enable the Republic of Singapore to import low-carbon electricity from the Republic of Indonesia and neighboring countries” has been selected for the Ministry of Economy, Trade and Industry‘s FY2024 Supplementary Subsidy for Global South Future-Oriented Co-creation Project (Small-Scale Demonstration/Feasibility Study Project), and the grant was formally approved on May 22, 2026. 3939
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Main Efforts to Increase Corporate Value –2 <TEPCO Energy Partner(EP)> April 1, 2026 Under an off-site physical corporate PPA concluded with Mitsui Fudosan Co., Ltd. and TOKYO DOME CORPORATION, TEPCO EP commenced the supply of renewable electricity generated from solar power to TOKYO DOME CITY. April 15, 2026 TEPCO EP entered into an off-site physical corporate PPA with DAIWA CAN COMPANY and Kyuden Mirai Energy Company, Incorporated, and commenced the supply of renewable electricity generated from geothermal power to the Daiwa Can’s Tokyo Plant.(Agreement signed and supply commenced on April 1, 2026) May 21, 2026 TEPCO EP determined the FY2026 initiatives of the “TEPCO Carbon Neutral Program.” In addition to initiatives that support households in optimizing their electricity usage based on the three pillars of “Energy Conservation,” “Renewable Energy,” and “Electrification,” the program will further enhance the provision of customer-participation services and the dissemination of information related to carbon neutrality. June 15, 2026 To strengthen support for corporate customers in promoting carbon neutrality(CN), TEPCO EP launched “CN Karte,” a tool that visualizes the progress of CN initiatives through graphs and other formats. In addition, TEPCO EP signed a collaboration agreement with Sustech Inc., alongside existing partners, to further enhance CN initiatives, including the expansion of CN Karte services. June 16, 2026 TEPCO EP, together with Sumitomo Realty & Development Co., Ltd., Sumitomo Fudosan Housing Co., Ltd., TEPCO HomeTech, Inc., and Denkosha Corporation, launched sales of “Sumifu × EneKari FLEXIBLE,” a new residential solar power service, through the “Shinchiku Sokkurisan,” a whole-house renovation service for detached homes, in the Tokyo metropolitan area (Tokyo, Kanagawa, Chiba, and Saitama). 464040
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Main Efforts to Increase Corporate Value –3 <TEPCO Renewable Power(RP)> April 10, 2026 TEPCO RP resumed commercial operation at the Uchiyama Power Station (Minamiashigara City, Kanagawa Prefecture) after completing replacement work.(Resumed on April 9, 2026) May 15, 2026 TEPCO RP commenced a demonstration project in dam management operations at its Kinugawa Office (Nikko City, Tochigi Prefecture), with the aim of visualizing tacit knowledge through the use of generative AI and supporting rapid and appropriate decision-making in the field. May 29, 2026 TEPCO RP resumed commercial operation at the Minakami Power Station (Minakami Town, Tone District, Gunma Prefecture) after completing replacement work. (Resumed on May 28, 2026) June 24, 2026 TEPCO RP resumed commercial operation at the Tokorono No.3 Power Station (Nikko City, Tochigi Prefecture) after completing replacement work. (Resumed on June 23, 2026) June 25, 2026 TEPCO RP resumed commercial operation at Unit3 of the Komahashi Power Station (Otsuki City, Yamanashi Prefecture) after completing replacement work. (Resumed on June 24, 2026) 464141
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©Tokyo Electric Power Company Holdings, Inc. All Rights Reserved. Initiatives to Promote Management Conscious of Capital Cost and Stock Price (Re-presented) ✓ To regain public trust and fulfill our responsibility to Fukushima, we will fully utilize management resources to maximize corporate value with a market-oriented approach, while maintaining the foundation for stable power supply. ✓ We will introduce ROIC management. For full-scale implementation, we are considering targets aligned with the characteristics of each business area, specific measures, and overall goals, including considerations for compensation and decommissioning costs. ✓ Once finalized, we will disclose these targets and actively engage in dialogue with stakeholders, including capital market participants. Sales expansion Cost reduction Investment in business foundation Existing energy business Enhancement of corporate value Fiscal measures 〈Image of ROIC management efforts〉 Each business unit: Ensure steady execution of actions Management: ROIC-focused management Sustainable profit and cash flow generation Generating profit and cash flow in the mid-to-long term New growth business Implement Toyota-style kaizen Optimize assets Enhancement of each business’s productivity Visualize the linkages between ROIC indicators and actions by each business unit Quantitative assessment of each business segment’s characteristics (business scale and capital efficiency) Business management based on the market’s perspective Raising and Embedding Productivity Awareness Enhancement drivers Capital efficiency Efficiency enhancement Operating profit margin Capital turnover R&D and DX initiatives Securing human resources and reforming working style Human rights, safety and security Intellectual capital Human capital Social and related capital Fukushima Business Steady progress in compensation, reconstruction and decommissioning Verify capital efficiency Improve efforts Enhancement of corporate value grounded in frontline operations Securing compensation and decommissioning costs ROIC (¥500 billion per year) 47 Responsibility to Fukushima We will promptly disclose an update once our specific targets and action plans are finalized. 4242