production - Improvement of machine and equipment production line and also used as working capital for the production of plastic bags including operating expenses 96.36 - Year 2017 - 2019 17 Objectives of the

December 2019 To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results for year ended 31 December 2019 which

the 3rd quarter financial statements as of November 30, 2021 which were reviewed by Deloitte Touche Tohmatsu Jaiyos Audit Company Limited. The operating performance is summarized are as follows

ENDED DECEMBER 31, 2017 1. Operating performance as compar ison analysis between those in the year 2017 and 2016 in consolidated financial statement. Description 2017 2016 Increase (Decrease) Amount

(“the Company”) and its Subsidiary (“the Group”) would like to clarify the change in operating result for the year ended 31 December 2018, which net profit has changed more than 20% from the last year as

Exchange of Thailand CAZ (Thailand) Public Company Limited (“the Company”) and its Subsidiary (“the Group”) would like to clarify the change in operating result for the 1stQuarter ended 31 March 2020, which

., BANGKAE, BANGKAE, BANGKOK, THAILAND. 10160 Tel: 02-455-2888 Fax: 02-455-2763 (“TRANSLATION”) TG 145/2562 November 11, 2019 Subject: Clarification of the Operating Result for the significant change Attention

% 301.13 336.19 35.06 11.64% Operating profit 412.15 421.06 8.90 2.16% 1,366.98 1,217.90 (149.08) (10.91%) Finance cost 35.10 35.33 0.23 0.65% 105.82 102.39 (3.43) (3.24%) Income tax expenses 86.45 82.22

1 Ref: AC.028/2018 13 November 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

21.54% from the same period of previous year. The total revenue of each operating segments for the nine-month period ended 30 September 2019 of the Company and its subsidiaries had changed from the