1 No. CC20200504ELE May 12, 2020 Subject Report of the Resolutions of Board of Directors’ Meeting No.3/2020 To President The Stock Exchange of Thailand The Board of Directors’ meeting of Cal-Comp

Ratio (Time) 1.0 1.4 Quick Ratio (Time) 2.6 4.7 Collection Period (Day) 18.8 20.5 Stock Turnover Period (Day) 9.1 8.1 Payment Period (Day) 29.0 32.1 Profitability Ratio Gross Profit Margin (%) 11.4 19.8

continued 5G network expansions. We ensured carrying out continuous cost optimization in all areas to soften this impact. Following the declined EBITDA, AIS reported a net profit of Bt26,011mn, decreasing

selling prices dropped by 13% compared to same period last year. The Company reported a net profit of Baht 890 million during the quarter compared to a net loss of Baht 192 million for the same period last

million comparing to the net profit of Baht 1 million and Baht 50 million, respectively, in the same period last year. During this pandemic period, the Company has carefully managed the situation in all

) - Translation - Ref. WINNER 0009/2018 February 28, 2018 Re Information Memorandum on Acquiring of Ordinary Shares in Aesthetic Zecret (At-Ze) Co., Ltd. (Additional info.2) To The President The Stock Exchange of

Manager The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.3/2018 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 8 May 2018

November 28, 2005 No. 14/2019 13 November 2019 President The Stock Exchange of Thailand 93 Ratchadapisek Road, Kwang Dindaeng, Khet Dindaeng, Bangkok 10400 Subject : Clarification of the operating

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 25/2019 November 14, 2019 To : The President The Stock Exchange

the previous yearly. To: The President The Stock Exchange of Thailand In the fourth quarter of the year, the Thai economy grew by only 2.4%, which is contracted according to domestic factors. Especially