. DOD2019/004 February 20, 2019 Subject: Management’s discussion and analysis of the Company’s operating results for the year 2018 period To: President The Stock Exchange of Thailand DOD Biotech Public

and Analysis for Year Ending December 31, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 1/2019

Acc. 001/2019 February 25, 2019 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Year 2018 Dear Sir, S. Khonkaen Foods Public Company Limited or

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Page 1 Date 25 February 2020 Re: Management Discussion & Analysis for the Year Ended 31 December 20020 To The President of the Stock Exchange of Thailand (SET) CHAOPRAYAMAHANAKORN PUBLIC COMPANY

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Registration No. : 0107535000371 No. L026/2017 8 th August 2017 Subject : The explanation of operating results for the 2 nd quarter 2017 Attention : The President The Stock Exchange of Thailand Dear Sir, For the