obligation: 23 November 2020 2.1 ( ) Acquisition (✔) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai Securities company Foreign Securities company Big lot (please specify

obligation: 30 November 2020 2.1 ( ) Acquisition (✔) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai Securities company Foreign Securities company Big lot (please specify

obligation: 25 December 2020 2.1 ( ) Acquisition (✔) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai Securities company Foreign Securities company Big lot (please specify

obligation: 5 February 2021 2.1 (✔) Acquisition ( ) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai Securities company Foreign Securities company Big lot (please specify

obligation: 22 February 2021 2.1 ( ) Acquisition (✔) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai Securities company Foreign Securities company Big lot (please specify

obligation: 25 August 2021 2.1 (√ ) Acquisition ( ) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai Securities company Foreign Securities company Big lot (please specify

1 --Translation- Sor Gor 75/2017 July 21, 2017 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2017 (Unaudited) To: The President The Stock Exchange of Thailand

1 --Translation- Sor Gor 85/2017 August 24, 2017 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2017 (Audited) To: The President The Stock Exchange of Thailand

1 --Translation-- Sor Gor 106/2017 October 20, 2017 Subject: Management Discussion and Analysis for the third quarter ended September 30, 2017 (Unreviewed) To: The President The Stock Exchange of

1 --Translation-- Sor Gor 113/2017 November 9, 2017 Subject: Management Discussion and Analysis for the third quarter ended September 30, 2017 (Reviewed) To: The President The Stock Exchange of