Investor Presentaiton

II. Financial Forecasts for the Fiscal Year Ending March 31, 2024 I/U Business Sales Forecasts Net sales: Million Yen Infrastructure & Utility Business Breakdown FY3/24 (f) FY3/23 (a) Sales volume Net sales Sales volume 213,657 Net sales Sales volume 147,305 Change JAPEX Net sales (66,352) (31%) Natural Gas - Japan 989 97,360 996 77,288 +6 +1% [1] (20,072) (21%) Million M3 - Produced in Japan 461 470 +9 +2% LNG Thousand Ton 340 51,572 223 19,738 [2] (117) (35%) (31,834) (62%) Electricity Million kWh 3,005 58,735 3,021 43,445 +15 +1% [3] (15,290) (26%) Others* 5,988 6,833 +845 +14% Main factors for change [1]-[2] Decrease in sales price of domestic natural gas and LNG due to decrease of JLC price, and decrease in sales volume of LNG [3] Decrease in sales volume of electricity *Including net sales from commissioned regasification of LNG Copyright © 2023 Japan Petroleum Exploration Co., Ltd. (JAPEX) All Rights Reserved. 19

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