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Walney Ext OFTO

Diamond Transmission Partners Limited is a partnership between Diamond Transmission Corporation Limited ("DTC") and HICL Infrastructure ("HICL") and Chubu Electric Power Netherlands.

DTC is a wholly owned subsidiary of Mitsubishi Corporation (“MC”) since 2012 which is one of the largest Japanese trading and investment houses. MC has established DTC in London as a holding company to integrate MC’s investment activities in European transmission sector. As of January, 2018, DTC has 9 assets in the UK and Germany totalling circa 4.4GW and c.£3.6bn.

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HICL is a long-term equity investor in infrastructure. Its portfolio comprises more than 100 investments with value in excess of £2.0bn. HICL is present in a number of sectors including health, transport and education, both in the UK and overseas.

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CEPCON (Chubu Electric Power Company Netherlands B.V.) is a wholly owned subsidiary of Chubu Electric Power Co., Inc.("Chubu"), which as a whole Chubu group is a major transmission operator in Japan with responsibility for over 12,000km of transmission lines and 900 substations. Chubu's total assets as of March 2020 is £40.7 billion.

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