TACC-003/2020 February 20, 2020 Subject: Management Discussion and Analysis for the year ended December 31, 2018 To: President The Stock Exchange of Thailand T.A.C. Consumer Public Company Limited

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

Acc.001/2563 February 24, 2020 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for the Year 2019 Dear Sir, S. Khonkaen Foods Public Company Limited

Management Discussion and Analysis for the Year 2019 Business Overview Business overview of One to One Contacts Public Company Limited and its subsidiaries (“the Group”) for the year 2019 compared to

February 26, 2020 Subject : Management Discussion and Analysis for year and 4th quarter ended December 31, 2019 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1

์จ ำ กดั (มหำชน) Food and Drinks Public Company Limited 1 | P a g e February 27, 2020 Subject: Management discussion and analysis of the operating results for the year 2019 Attn: President The Stock

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DOD BIOTECH PUBLIC COMPANY LIMITED 111 Moo 2 TambonThachin, Amphurmuangsamutsakhon, Samutsakhon 74000 Page 1 of 3 No. DOD026/2563 February 26, 2020 Subject Management Discussion and Analysis of for

หนังสือแสดงการรับทราบความผิด 27 February 2020 Subject : Management Discussion and Analysis of the year ended 31 December 2019 Attn. : Director and Manager The Stock Exchange of Thailand Encls. : A

February 28, 2020 Subject: Managing Discussion and Analysis for Year2019 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and