Statement 21 Financial Ratios 23 Environmental Management Accounting Management Discussion and Analysis of Business Operation for 1Q/2018 Bangchak Corporation Plc. I 3 Executive Summary Summary of the Company

ที่บชง Page 1 of 4 Ref. Bor Chor Ngor 0154 /2018 10 May 2018 Subject: Management Discussion and Analysis for the First Quarter ended 31 March 2018 To President The Stock Exchange of Thailand Quality

Page 1 of 4 No. RJH – SET 3/2020 24 February 2020 Subject : Management’s Discussion and Analysis for the 4th Quarter of 2019 To : The President The Stock Exchange of Thailand Rajthanee Hospital

ที่บชง Page 1 of 4 Ref. Bor Chor Ngor 0048/2020 26 February 2020 Subject: Management Discussion and Analysis of Operating Results for Fiscal Year 2019 To President The Stock Exchange of Thailand

WATTANAPAT HOSPITAL TRANG PUBLIC COMPANY LIMITED No. WPH – SET 2/2017 2 October 2017 Subject : Management Discussion and Analysis for the year ended on December 31, 2016 To : Directors and Manager The Stock

: The President The Stock Exchange of Thailand Takuni Group Public Company Limited (The Company) and its subsidiaries (The Group) has sales and service income for 9 months ended 30 September 2017

Attention: The President The Stock Exchange of Thailand Takuni Group Public Company Limited (The Company) and its subsidiaries (The Group) would like to clarify the change in operating result for the 3 months

ที่ บช NO. AC. 001/2018 28 February 2018 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M.K. Real Estate Development

: President The Stock Exchange of Thailand Global Service Center Public Company Limited ("the Company") would like to clarify the operating results for the year ended December 31, 2018 as follows: Operating

30 April 2019 At: ACC/HO 012/19 Re: Management Discussion and Analysis for the Quarter of 1/2019 To: President The Stock Exchange of Thailand In the first quarter of 2019, the Thai economy expanded