Investor Presentaiton

Cautionary Statement JAPEX This document contains future outlooks such as plans, forecasts, strategies, and others which are not historical fact and these are made by the management's judgement based on the obtainable information at the time of the disclosure. Actual results may significantly differ from those future outlooks due to various factors. This document is not intended to invite investment. Copyright: All information contained herein is protected by copyright, and may not be copied or reproduced without prior consent of JAPEX. Note: . • Abbreviations used herein are as follows: (a) = = Actual results (f) = Forecasts FY = Fiscal Year (FY3/23, for instance, means 12 months ending March 31, 2023) ⚫ Figures in parentheses in "Operating profit," "Ordinary profit," "Share of profit of entities accounted for using equity method," and "Profit attributable to owners of parent" represent losses in each category. Any inquiries about the information contained herein or other Investor Relations questions are requested to be directed to: Corporate Communication Office, Japan Petroleum Exploration Co., Ltd. (JAPEX) Tokyo, JAPAN TEL: +81-3-6268-7111 Copyright 2023 Japan Petroleum Exploration Co., Ltd. (JAPEX) All Rights Reserved. 38

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