of the meeting relation to the acquisition land and buildings at Chiengrai and paying off with shares of WCI Holding PCL., held by EFORL. To: President The Stock Exchange of Thailand CC: Secretary The

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the 3rd quarter ended 30 September 2019 Attn: Director and Manager, The Stock Exchange of Thailand With respect to the financial information for the 3rd quarter ended 30 September 2019, as submitted by

results for the nine-month period of 2019, change of rate more than 20 percent Dear Director and Manager The Stock Exchange of Thailand According to the resolution of the Board of Directors of DOD Biotech

- Translation - 11 November 2019 Subject: Management’s Discussion and Analysis for the Operating Results of the 3 rd Quarter of 2019 Attention: The President of the Stock Exchange of Thailand Exotic

Ref: ACC6401 / 001 March 01, 2021 Subject Clarification of Operating results for the year 2020, Ending December 31, 2020 Attention: Director and Manager The Stock Exchange of Thailand As Advanced

involved with the audit of an entity whose securities are publicly traded in stock exchange in your jurisdiction as either Signing Partner or Engagement Partner or equivalence? Yes No If yes, please attach

organizations, e.g., the Association of Asset Management Companies, the Government Pension Fund, the Stock Exchange of Thailand, the Association of Thai Securities Companies, the Investment https://www.sec.or.th

various organizations, e.g., the Association of Asset Management Companies, the Government Pension Fund, the Stock Exchange of Thailand, the Association of Thai Securities Companies, the Investment https

Association of Asset Management Companies, the Government Pension Fund, the Stock Exchange of Thailand, the Association of Thai Securities Companies, the Investment https://www.sec.or.th/EN/Pages