/2561 November 12, 2018 Subject: Management’s discussion and analysis of the Company’s operating results for Q3/2018 period To: President The Stock Exchange of Thailand DOD Biotech Public Company Limited

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

-TRANSLATION- 14 November 2019 Subject : Management Discussion and Analysis for Q3/2019 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance

Stock Exchange of Thailand With reference to Kang Yong Electric Public Company Limited’s submission of financial statements for quarter 1/2020 (April 2020 – June 2020) duly reviewed by a certified public

27 April 2020 To: The President The Stock Exchange of Thailand Re: Q1-2020 Operating Results We, Delta Electronics (Thailand) Public Company Limited (the “Company”) would like to notify the Company’s

(Ending September 30, 2019) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company Limited (“the Company”) would like to clarify on the performance and the financial for Q3

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

-9320 1 Ref: PLC 2017/012 August 14, 2017 Subject: Management Discussion and Analysis Quarter 2 Ended 30-June-2017 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public Company

15 August 2017 Subject: Management Discussion and Analysis for the 6-Month Period Ended June 30, 2017 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company

-9320 1 Ref: PLC 2017/016 November 9, 2017 Subject: Management Discussion and Analysis Quarter 3 Ended 30-September-2017 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public