(Translation) UAC.CS/021/2020 November 11, 2020 Subject: Explanation of the operating results for the third quarter period ended September 30, 2020 To: President The Stock Exchange of Thailand

, 2017 To: President of the Stock Exchange of Thailand Seamico Securities Public Company Limited (“The Company”) would like to report the unaudited operating result for the period ended June 30, 2017 as

To: President of the Stock Exchange of Thailand According to Seamico Securities Public Company Limited (“The Company”) reported the unreviewed operating result for the second quarter ended June 30

-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

สรุปผลการดำเนินงานของบจ -Translation- February 13th, 2018 Subject: Management Discussion and Analysis for the Quarter 1/2018 To: Managing Director The Stock Exchange of Thailand Inoue Rubber

director of the Stock Exchange of Thailand Ramkhamhaeng Hospital Public Company Limited would like to clarify the operation results, as follows: 1. Ramkhamhaeng Hospital Public Company Limited and its

-9320 1 Ref: PCL 2019/008 May 8, 2019 Subject: Management Discussion and Analysis Quarterly Ended 31 March 2019 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public Company

สรุปผลการดำเนินงานของบจ -Translation- May 13, 2019 Subject: Management Discussion and Analysis for the Quarter 2/2019 To: Managing Director The Stock Exchange of Thailand Inoue Rubber (Thailand