2019 To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results of the Company and its subsidiaries

No. ACC6311/010 12 November, 2020 Subject Clarify the Operating results for quarter 3/2020 ended 30 September, 2020 Attention Director and Manager The Stock Exchange of Thailand According to Advanced

Ref: ACC6405/001 March 12, 2021 Subject Clarification of the operating results for the quarter 1/2021 ended March 31, 2021 Attention: Director and Manager The Stock Exchange of Thailand According to

Page 1 of 5 GEL.CS.021/2561 14 August 2018 Subject Management Discussion and Financial Analysis for the operating results of the second quarter of 2018, ended 30 June 2018 To Director and Manager The

-1- AIT (VP-SEC) 025E/2023 August 10, 2023 Subject: Management's Discussion and Analysis of Operating Results for Q2-2023 To: The President of the Stock Exchange of Thailand Summary of Operations Q2

business operations in securities and derivatives; (3) Revising the client asset custody rules: Granting an exemption for a transfer of client assets by allowing a business operator to proceed without

-1- AIT (VP-SEC) 026E/2020 August 10, 2020 Subject: Management's Discussion and Analysis of Operating Results for Q2-2020 To: The President of The Stock Exchange of Thailand Summary of Operations Q2

, the affected operations are now back online and operating normally. Management focus in 2020 will be to realize the synergy of the recently-acquired Huntsman assets, our IVOL gas cracker as well as our

operating revenue of airline business declined by 6.9 percent from highly intense competition which caused the average fare to drop by 5.8 percent. The average passenger load factor was 68.1 percent. The

- 1 - AIT (VP-SEC) 005E/2019 February 26, 2019 Subject: Management's Discussion and Analysis of Operating Results for the year 2018 and Q4-2018 To: The President of the Stock Exchange of Thailand