No. CC20190804ELE August 13, 2019 Re: Clarification of the changes in operation performance for the second quarter and the first half ended 30 June, 2019 Attn: The President The Stock Exchange of

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20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (“the Company”) would like to report the operating results of the Company and its subsidiaries for

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24 July 2018 To: The President The Stock Exchange of Thailand Re: Q2-2018 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q2-2018 (Apr-Jun

exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results of the Company and its subsidiaries for