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Investor Presentaiton

Fuel Removal & Fuel Debris Retrieval Fuel removal from the Unit 3 was completed in February 2021. • Next step is to retrieve fuel debris, which is more technically challenging. • Since February 2022, internal investigation of Unit 1 is conducted using an underwater robot. Manufactures from Japan and the U.K. have been working together for developing and testing the robot arm used for safely accessing and retrieving debris. Internal Investigation of Unit 1 Robot Arm for Fuel Debris Retrieval Sediment 2022/02/08 22:00:47 Source: TEPCO SIDE/U reinforcing steel inside pedestal ● 2022/05/19 21:19:37 • Fuel debris collecting device Metallic brush Robot arm for retrieval Vacuum vessel Not bend when being stretched up to 22 meters. In a trial, retrieved fuel debris by the scale of a couple of grams with its collecting device. 8
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