Investor Presentaiton

NRA, Japan Nuclear Regulation Authority Frozen Soil Wall Report from the Committee on Measures related to Contaminated Water Treatment, The Council for the Decommissioning of TEPCO's Fukushima Daiichi Nuclear Power Plant Frozen soil wall: ■ Implement the ducts in the ground with soil a pitch of, e.g. 1m, and circulate coolant. Frozen ■Construction already started in June 2014 and the freezing operation is Duct expected to start within FY2014. Circulation of Coolant Ducts for circulating coolant Source below, edited by the author: Frozen soil http://www.tepco.co.jp/nu/fukushima-np/roadmap/images/t130627_11-j.pdf http://www.tepco.co.jp/en/nu/fukushima-np/roadmap/images/d140627_01-e.pdf 23 A Sea Frozen soil wall Gross length: 1400m Fukushima Daiichi NPS Units 1-4 Hill-side

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