Investor Presentaiton

Appendix 7. Business Overview 4 I/U Field - Electricity JAPEX's joining power plants are [1] Abashiri Biomass Power Plant No.2&3 BIO [2] Mega solar power generation Total 7 sites (Renewable energy 6 sites Total output 1,389,550kW Renewable energy 209,550kw) JAPEX at JAPEX Hokkaido District Office* PV [3] Yufutsu Solar Power Plant PV • Power plants in development and operation (as of the end of March 2023) No. Name Location Туре Capacity (kW) Share Status Shinchi Town, Natural gas A Fukushima Natural Gas Power Plant 1,180,000 33% In operation Fukushima (LNG) 1 Abashiri Biomass No.2&3 Power Plants Abashiri City, Hokkaido Biomass 19,800 33.8% In operation (wood chip) Mega solar power generation Tomakomai City, 2 PV 1,800 100% In operation at JAPEX Hokkaido District Office Hokkaido 3 Yufutsu Solar Power Plant Tomakomai City, Hokkaido PV 13,000 20% In operation [A] Fukushima Natural Gas Power Plant 4 Tahara Biomass Power Plant Tahara City, Aichi Biomass (wood pellets) 50,000 39.9% In construction LNG 5 Ozu Biomass Power Plant 6 Chofu Biomass Power Plant Ozu City, Ehime Shimonoseki City, Yamaguchi Biomass (wood pellet) 50,000 35% In construction Biomass (wood pellet) 74,950 39.9% In construction • Other renewable energy project < PHOTON Sustainable Solar Investment Limited Partnership (funding up to 10 billion yen in PV generation projects including non-FIT projects; 50% of our investment ratio) [4] Tahara Biomass Power Plant [5] Ozu Biomass Power Plant BIO BIO Gas power plant BIO [6] Chofu Biomass Power Plant Copyright 2023 Japan Petroleum Exploration Co., Ltd. (JAPEX) All Rights Reserved. Renewable power plant *Included in our sales profit 34

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