: Management explanation and analysis Quarter 2/2020 ending 30 June 2020 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“the Company”) would like to clarify

14 November 2018 Subject: Management Discussion and Analysis for the Nine-Month Period Ended September 30, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

Quarterly Ending March 31, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 2/2018 dated May 10, 2018

Public Company Limited 1 | P a g e August 13, 2020 Subject: Management discussion and analysis of the operating results for the quarter 2/2020 Attn: President The Stock Exchange of Thailand Please find the

November 11, 2019 SET-19-AC-004 Dear The President The Stock Exchange of Thailand Subject : Clarification of Result’s Operation for the nine months ended September 30, 2019 According to the

) November 8, 2017 Re : Report the operating result for the year ended September 30 ,2017 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand Approved by the Board of Directors of

recycled product, in Vientiane, Lao PDR (Vientiane Waste Management : VWM). To: The President The Stock Exchange of Thailand Enclosure: Information Memorandum on the Acquisition of Assets of UAC Global PLC

/2561 August 7, 2018 Subject: Management’s discussion and analysis of the Company’s operating results for Q2/2018 period To: President The Stock Exchange of Thailand DOD Biotech Public Company Limited

ending 31 March 2019 Attention: President The Stock Exchange of Thailand Regarding to JMT Network Services Public Company Limited (“the Company”) No.2/2019 on 9 May 2019, the resolution to certify the

2016. To : The director of the Stock Exchange of Thailand Ramkhamhaeng Hospital Public Company Limited would like to clarify the operation results, as follows: 1. Ramkhamhaeng Hospital Public Company