DCORP 011/2019 February 27, 2019 Subject: Report on the overall operation of the year 2018 ended December 31, 2018 and the decrease in the overall operation more than 20 percent Attention: President Stock

DCORP 024/2019 May 14, 2019 Subject Report on the overall operation for first quarter of the year 2019 ended March 31, 2019 and the decrease in the overall operation more than 20 percent Attn President

DCORP 042/2019 August 13, 2019 Subject Report on the overall operation for second quarter of the year 2019 ended June 30, 2019 and the decrease in the overall operation more than 20 percent Attn President

, referring to the resolution of the meeting of the Board of Director No.1/2018, which was held on February 21, 2018. The expansion of Wattanapat Samui Hospital project will finally be increased in total

DCORP 050/2019 November 12, 2019 Subject: Report on the overall operation for first 9 months of the year 2019 ended September 30, 2019 and the decrease in the overall operation more than 20 percent

memorandum regarding the transactions to SET as follows; 1) To schedule a General Meeting of Shareholders and send out invitation letters to shareholders 14 days prior to the meeting date in order to seek

DCORP 025/2020 May 13, 2020 Subject: Management Discussion and Analysis – Explanation of net profit for the quarter ended March 31, 2020 and the increase in the overall operations of more than 20 percent

DCORP 041/2020 August 13, 2020 Subject Management Discussion and Analysis – Explanation of net profit for the quarter ended June 30, 2020 and the increase in the overall operations of more than 20 percent

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