Manager of the Stock Exchange of Thailand For the Q2/2018 period ended of June 30, 2018 (3 months) operating result of the company net loss Baht 4.32 Million comparison with the previous Q2/2017’s net loss

Attn : The Directors and The MAI Manager Ref: Dimet AC 0818/1 August 27, 2018 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Year End result and clarification of

Stock Exchange of Thailand For the Q3/2018 period ended of September 30, 2018 (3 months) operating result of the company net profit Baht 4.79 Million comparison with the previous Q3/2017’s net loss of

results for Quarter 3/2018 To : Director and Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries would like to describe and analyze the financial

-Translation- No. M06/011/18 November 14, 2018 Subject Clarification of Q3/2018 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

of the Stock Exchange of Thailand Copy to: The Secretary The Security and Exchange Commission JCK Hospitality Public Company Limited (“Company”) would like to report the consolidated operating

May 8, 2020 Subject: Clarification of Operating Results for The

Stock Exchange of Thailand Copy to: The Secretary The Security and Exchange Commission JCK Hospitality Public Company Limited (“Company”) would like to report the consolidated operating performance

Ref: SP 2020/008 Date : May 14, 2020 Subject : The Explanation to SET concerning the operating result for Q1/2020 more than 20% Attention : The Director and Manager of the Stock Exchange of Thailand

AC 52/07-003 ACC1/20-043 August 13, 2020 Subject: Management Discussion and Analysis Quarter 2 Ending June 30, 2020 To: The President The Stock Exchange of Thailand Qualitech Public Company Limited