Investor Presentaiton

Procedure of controlled discharge In light of the Government's Basic Policy, TEPCO applied, in December 2021, to NRA for its approval to amend some items in the implementation plan in order to install the facilities for discharging the ALPS treated water into the sea. On May 18, the NRA published a draft review results document on TEPCO's application. After soliciting public comments on the document, the NRA approved the amendment of the implementation plan on July 22. TEPCO will receive NRA's Pre-Service Inspections to confirm the installation status of the discharge facility. TEPCO will revise the REIA report in response to relevant observations from the IAEA's independent review. IAEA review will be conducted before, during and after the discharge of the water. TEPCO About 2 years NRA TEPCO NRA TEPCO July 2022 Current Status Approval by Inspections April 2021 Application the Nuclear Implementation (Pre-service Start of discharge Regulation Announcement implementatio Authority of preparatory Work and Operational into the sea safety) of basic policy n plan (NRA) Receiving IAEA reviews Corroboration of Monitoring Further strengthen interactive communication with interested party 16

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