May 15, 2020 Subject: Managing Discussion and Analysis for Q1/2020 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

Page 1 of 3 May 10, 2019 Re: Management Discussion and Analysis for Quarter 1/2019 (March 31 ,2019) To: Director and Manager of the Stock Exchange of Thailand Patkol Public Company Limited and its

previous quarterly. To: The President The Stock Exchange of Thailand Not yet recovered from the economic fever, world trade war Pushed to become infected with a new strain of the corona virus The IMF expects

such manipulation, in the total amount of 2,166,666.66 baht.Details are as follows: (1) ASCON price manipulation: following the Stock Exchange of Thailand (SET)?s report on irregular trading of ASCON

: EIC-AD008/2019 February 27, 2019 Subject: Management Discussion and Analysis Yearly Financial Period Ending 31 December 2018 To: President The Stock Exchange of Thailand The Board of Directors of

หนังสือแสดงการรับทราบความผิด 1 13 August 2020 Subject : Management Discussion and Analysis of the second quarter 2020 ended 30 June 2020 Attn. : Director and Manager The Stock Exchange of Thailand

: EIC-AD033/2019 13 August 2019 Subject: Management Discussion and Analysis for the Performance for Six-Month Period ended 30 June 2019 (Added Information) To: President The Stock Exchange of Thailand The

No No. CC20190204ELE February 27, 2019 Re: Clarification of the changes in operation performance for the year ended 31 December 2018 Attn: The President The Stock Exchange of Thailand Cal-Comp

Exchange of Thailand The Board of Directors' Meeting No.3/2019 of Jubilee Enterprise Public Company Limited held on August 9th, 2019 has passed a resolution to approve AtVantage Company Limited to make a

1188 FAX : +66 (0) 2625 1103 www.jubileediamond.co.th CS011/2018 August 7th, 2018 Subject : Connected Transaction Attention : The President The Stock Exchange of Thailand The Board of Directors' Meeting