Cement Raw Mat. Fuel BoilerSteam Turbine Power Waste Heat 280-350 oC Burning Process 1,450 oC  Household Solar Services Industrial or Large Area Solar Services High emissivity coating technology for

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consumption) NNP = Normalized net profit O&M = Operations and maintenance P.A. = Per annum PEA = Provincial Electricity Authority (Thailand) PPA = Power purchase agreement PTT = PTT Public Company Limited SG&A

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1 June 30, 2020 Subjects : The acquisition of ordinary shares of APEX Energy Co., Ltd. increased 18.75% Attention : The Director and Manager of the Stock Exchange of Thailand Eastern Power Group

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