Investor Presentaiton

Comparison of the Scale of Nuclear Power Plant Accidents Between Chernobyl & Fukushima Daiichi NPS The amount of cesium and iodine released at Fukushima Daiichi were around 10-40% of Chernobyl. Radionuclides with long half-lives such as plutonium were only around 0.02– 0.1%. ■Compared to the Chernobyl, the Fukushima Daiichi has a small-scale high-concentration contaminated area. VILNIUS SMOLENSK December 1989 Lida Molodechno Borisov MINSK ORSHA Gorki MOGILEV Novagrudok Cherikov Krichev BELARUS Bykhov Baranovichi Bobruysk Slutsk Soligorsk Pinsk Roslavl Novozybkov GOMELO Kirov KALUGA O Aleksin RUSSIA TULA O Novomoskovsk Kimovsk Lyudinovo Plavsk Dyatkovo Bolkhov BRYANSKO Mtsensk Efremov OREL Yelets Mozyr Khoiniki Bragin Narovlya Fukushima Daiichi Nuclear Power Station Slavutych Pripyat Ovruch CHERNIGOV Polesskoje Sarny Narodychi Chernobyl Korosten Chernobyl Nuclear Power Plant SUM ROVNO Niigata Prefecture Fukushima Prefecture 20 km Novohrad Volynskyi 30 km KIEV O ZHITOMIR UKRAINE 30km exclusion zone Berdichev Bila Tserkva CHERKASSY O Cs-137 deposition (kBq/m2) More than 3,700 185-555 37-185 1,480-3,700 555-1,480 Tochigi Prefecture Gunma Prefecture POLTAVA November 2011 Ibaraki Prefecture Same Scale Referenced from: Reconstruction Agency website https://fukushima-updates.reconstruction.go.jp/en/faq/fk_200.html 22

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