Ref. No. IVL 003/02/2019 26 February 2019 The President The Stock Exchange of Thailand Subject: Submission of Annual Audited Financial Statements and the Management Discussion and Analysis of

In order to leverage the market leading position in Thailand and expand to overseas markets, Osotspa will acquire 60% ownership in Osotspa VTA Joint Stock Company to carry out the trading business of

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

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CFR-A-20002 February 28, 2020 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS015/2562 August 08, 2019 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS021/2018 August 10, 2018 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

by 1.5% YoY due to Kyat currency depreciation (at constant FX, total Myanmar sales would have been +6.8%). Laos grew 7.5% YoY while Cambodia performance was dragged by high stock level with the

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS018/2562 November 08, 2019 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for

2020 To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results for the first quarter ended 31 March 2020

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CFR-A-20003 May 15, 2020 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the