-Translation- NO. ED-MD2020-0009 March 12th, 2020 Subject: Notification of Acquisition Assets To: Director and General Manager The Stock Exchange of Thailand Enclosed Report Eureka Design Public

into Material Transactions Deemed as Acquisition or Disposal of Assets, and the Notification of the Board of Governors of the Stock Exchange of Thailand, Re: Disclosure of Information and Other Acts of

Eng_MD&A Q2'18 (Translation) August 14, 2018 Ref: SET-2018-016 Re: Management Discussion and Analysis for Quarter 2’ 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision Public

(Translation) November 14, 2018 Ref: SET-2018-017 Re: Management Discussion and Analysis for Quarter 3’ 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS002/2562 February 22, 2019 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 22 February 2019 Re: To clarify the financial statements as of 31 December 2018 To: President The Stock Exchange of Thailand WHA Corporation Public Company

Feb 25th, 2019 Subject Management Discussion and Analysis for the year ended December 31, 2018 To The President The Stock Exchange of Thailand Day Dream Public Company Limited (the “Company” or “we

28 February 2020 Subject Management Discussion and Analysis for the years ended December 31, 2019 To The President The Stock Exchange of Thailand Do Day Dream Public Company Limited (the “Company” or

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 11 August 2017 Re: To clarify the financial statements as of 30 June 2017 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

1 Ref: AC.031/2017 15 August 2017 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating