March 20, 2018 Subject The amendment of Information Memorandum on Acquisition of Assets To President The Stock Exchange of Thailand According, Bangkok Dec-con Public Company Limited has reported

, sales and distribution channels. In case of export, specify the domestic/export sales ratio, the markets or the groups of export markets for such major products or services; (b) Describe the industry

Eng_MD&A Final Q3'19 November 13, 2019 Ref: SET-2019-011 Re: Management Discussion and Analysis for Quarter 3’ 2019 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company

December 2019 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 2019 which

-517-0109-14 Fax 66-2-5170529 February 27, 2017 Subject Management Discussion and Analysis for the year ended December 31, 2016 To Managing Director of Stock Exchange of Thailand Table of Financial Ratio

1 (Translation) MD. 108/2017 Aug 7, 2017 Re: Management Discussion and Analysis For the Operating Results ended June, 2017 To: President The Stock Exchange of Thailand Management Discussion and

1 (Translation) MD. 182 /2017 Nov 8 , 2017 Re: Management Discussion and Analysis For the Operating Results ended September, 2017 To: President The Stock Exchange of Thailand Management Discussion

due to the stimulus policy from the government in relation to telecommunication industry giving a positive impact towards the Company in winning many new contracts and consequently resulting in a

compared to the year 2016. This is because the stimulus policy from the government in relation to telecommunication industry has given a positive impact towards the Company in being awarded by many new

Transactions and the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure and Other Acts of Listed Companies on Connected Transactions, B.E. 2546 (as amended) (the "Connected