Attention: President Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP” or the “Company”) would like to submit the reviewed financial statements for first 9 months of the year 2019

Attn President Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP” or the “Company”) would like to submit the reviewed financial statements for the second quarter of the year

Managers The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.1/2019 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 20 February

26th February 2020 Subject: Transaction to acquire land from a related party. To: President The stock Exchange of Thailand According to the resolution of Board of Directors meeting of S.Kijchai

President The Stock Exchange of Thailand Dear Sir, With reference to the Minutes 8/2017 of the Company Directors’ meeting dated August 22, 2017, the Board resolved to approve the audited financial statements

October 2017 Subject: Notification of the Board of Directors No. 9/2017 on the Company Investment in SUT Hydro Company Limited To: The President The Stock Exchange of Thailand Pursuant Following Hydrotek

ที่ กม Translation No. Gor.Mor. 42/2560 October 10, 2017 President The Stock Exchange of Thailand Dear Madam, Approval for Buying Land for Investment Purposes The Board Meeting of O.C.C. Public

ที่ กตพ Ref. DBP.045 / 2019 March 19, 2019 Subject : Information Regarding Acquisition of Machinery for Fiber Cement Tile Production (NT-11) To : President The Stock Exchange of Thailand The Board of

M.D.137 / 2019 June 26, 2019 Subject : Information on Connected Transactions Dear : President of the Stock Exchange of Thailand Kang Yong Electric Public Company Limited, hereby informs you the

and Managers The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.5/2018 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 7