26 February 2020 At: ACC/HO 003/63 Re: Management Discussion and Analysis for the year ended 31 December 2019 To: President The Stock Exchange of Thailand Thailand’s economy grew more slowly than

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. (66)2-9063242-50 e-mail: info@halcyon.co.th No. CS-2563/002 27 February 2020 Subject: Resolution of the Board of Directors’ Meeting No.1/2020 Attention: Directors and Managers, The Stock Exchange of

@halcyon.co.th No. CS-2563/003 27 February 2020 Subject: Management Discussion and Analysis for the Year Ended December 31, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

May 15, 2017 Subject : Operating Result Quarter 1 Ending March 31, 2017 To : The President The Stock Exchange of Thailand WICE Logistics Public Company Limited would like to clarify the change in

: The President The Stock Exchange of Thailand Takuni Group Public Company Limited (The Company) and its subsidiaries (The Group) has sales and service income for 9 months ended 30 September 2017

Attention: The President The Stock Exchange of Thailand Takuni Group Public Company Limited (The Company) and its subsidiaries (The Group) would like to clarify the change in operating result for the 3 months

Attention: President The Stock Exchange of Thailand Regarding to JAS Asset Public Company Limited (“the Company”) Board of Meeting No.2/2019 on 8 May 2019, the resolution to certify the Company’s financial

No. MVP005/2019 9 May 2019 Subject: Management Discussion and Analysis for the 3-month period ended 31 March 2019 To: President and Manager The Stock Exchange of Thailand M Vision Public Company

Page 1 of 4 No. RJH – SET 8/2019 13 May 2019 Subject : Management’s Discussion and Analysis for the First Quarter of 2019 To : The President The Stock Exchange of Thailand Rajthanee Hospital Public