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1 RP-AC 004/2019 NOVEMBER 13, 2019 Subject: Clarification of the operating results for the third quarter of 2019 To: Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public

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Earth Tech Environment Public Company Limited 11th November 2020 Subject Management Discussion and Analysis Financial Performance for the quarter ended 30th September 2020 To President The Stock