Hong Kong Stock Exchange. Mr. Kin Chan is currently a chief investment officer of ASM. He graduated with a bachelor’s degree in administration from Princeton University, the USA and master’s degree in

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 To: The President The Stock Exchange of Thailand Enclosure

of the Securities and Exchange Act B.E. 2535 (1992) , as amended by the Securities and Exchange Act (No. 4) B.E. 2551 (2008) , Paragraph 2 of Section 100, Section 114, Section 115, Section 116 and

of the Securities and Exchange Act B.E. 2535 (1992), as amended by the Securities and Exchange Act (No. 4) B.E. 2551 (2008), Paragraph 2 of Section 100, Section 114, Section 115, Section 116 and

of the Securities and Exchange Act B.E. 2535 (1992), as amended by the Securities and Exchange Act (No. 4) B.E. 2551 (2008), Paragraph 2 of Section 100, Section 114, Section 115, Section 116 and

Attention: President The Stock Exchange of Thailand Regarding to JAS Asset Public Company Limited (“the Company”) Board of Meeting No.2/2018 on 10 May 2018, the resolution to certify the Company’s financial

/5 - Translation - Ref. J62/003 25 February 2019 Subject: Management Discussion and Analysis for Yearly Ending 2018 To: President The Stock Exchange of Thailand Regarding to JAS Asset Public Company

(Translation) UAC.CS/003/2020 February 27, 2020 Subject: Explanation of the operating results for the year period ended December 31, 2019 To: President The Stock Exchange of Thailand Attachment

(Translation) UAC.CS/013/2017 August 15, 2017 Subject: Explanation of the operating results for the second quarter period ended June 30, 2017 To: President The Stock Exchange of Thailand Attachment

(Translation) UAC.CS/014/2017 November 13, 2017 Subject: Explanation of the operating results for the third quarter period ended September 30, 2017 To: President The Stock Exchange of Thailand