Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for the three-month period at the end of 30th September 2018 as

Exchange of Thailand Please find the reviewed Financial Statement for the Quarter 3/2018 ending 30 September 2018 which had been reviewed by Certified Auditor and has been approved by the Board of Director

73 1 / 4 Pef. MD 066/2019 8th November 2019. Subj Management Discussion and Analysis (MD&A) Q3/2019 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary Public Company

-9320 1 Ref: PLC 2019/011 November 13, 2019 Subject: Management Discussion and Analysis Quarter 3 Ended 30 September 2019 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public

November 14, 2019 Re : Approval of Acquisition of Assets To : The President The Stock Exchange of Thailand The Borad of Directors’ Meeting of World Corporation Public Company Limited (“the Company”) No.8

Assets (revised) To : The President The Stock Exchange of Thailand The Board of Directors’ Meeting of World Corporation Public Company Limited (“the Company”) No.8/2019 Held on November 14, 2019 at 14.00

Assets N Hospital Company Limited with additional 16.67 percent To : The President The Stock Exchange of Thailand The Board of Directors’ Meeting of World Corporation Public Company Limited (“the Company

the auditors of the company for the year 2020 (Revise) Attn: President The Stock Exchange of Thailand Please find the reviewed Financial Statement for the Quarter 1/2020 ending 31 March 2020 which had

and Analysis Quarterly Ending June 30, 2020 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 4/2020

T.K.S. TECHNOLOGIES 11 August 2020 Re: Management Discussion and Analysis for Quarter 2/2020 To: President The Stock Exchange of Thailand T.K.S. Technologies Public Company Limited (“TKS”) and its