operating results that posted a difference greater than 20% from the preceding year To: Director and Manager the Stocks Exchange of Thailand According to the Board of Directors’ Meeting of World Corporation

2017 To : Directors and Manager The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.8/2017 of Wattanapat Hospital Trang Public Company Limited (“the

for the 3rd Quarter of 2017 Ending 30 September 2017 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 5

and Analysis Quarterly Ending June 30, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 3/2019

and Analysis Quarterly Ending September 30, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 4/2018

Business 4/ Business CMC operates 3 main businesses as follows.1. Residential property development business includes condominium, townhouse, townhome and single detached house, focused mainly on condominium

สิ่งที่ส่งมาด้วยลำดับที่ 1 1 Information Memorandum of the Acquisition of Assets (IM1) of Dimet (Siam) Public Company Limited According to the resolution of the Board of Directors’ Meeting No. 3/2018

the Company or the group of companies, as specified by the Board of Directors (if any), to be used as guidelines for investors to understand and monitor future business directions of the Company. 1.2

for reference. Notification of the Capital Market Supervisory Board No. Tor Jor. 14/2558 Re: Provisions relating to Offer for Sale of Securities Issued by Foreign Company Whose Shares Have Been Traded

Energy Industries Company Limited (subsidiary company) invests 600 Million Baht on power plant project from biomass renewable energy with production capacity of 9.9 MWh on the company property in Surat