(Translation) PRG.MD. 021/2019 February 26th, 2019 Subject: Management Discussion and Analysis (MD&A) of 2018 Attention: Managing Director of the Stock Exchange of Thailand We, Patum Rice Mill and

: EIC-AD008/2019 February 27, 2019 Subject: Management Discussion and Analysis Yearly Financial Period Ending 31 December 2018 To: President The Stock Exchange of Thailand The Board of Directors of

: President The Stock Exchange of Thailand CH. Karnchang Public Company Limited (“the Company”) and its subsidiaries would like to clarify the consolidated operating result and financial position for the year

วันที่ 14 สิงหาคม 2550 DEMCO Public Company Limited No. Demco AC001/2019 February 28, 2019 Subject : The company’s operating result of the year 2018 To : The president, The Stock Exchange of Thailand

February 28, 2019 Subject: Managing Discussion and Analysis for Year2018 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

which 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 for year ended 31 December 2018

1 Translation CEN 004-2019 February 27, 2019 Subject Management Discussion, analysis and business operation of year 2018 To The Manager and President The Stock Exchange of Thailand Yearly business

) February 27, 2019 Re : Report the operating result for the year ended December 31 ,2018 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand According to the resolution of the

Page 1 of 2 No. ACC1903/001 March 1, 2019 Subject: Approval to enter into Contract to sell of Common Stock (addition) To: President The Stock Exchange of Thailand According to the Board of Director’s

Page 1 of 3 No. ACC1903/001 March 1, 2019 Subject: Approval to enter into Contract to sell of Common Stock (additional 2) To: President The Stock Exchange of Thailand According to the Board of