Management Name : Mr KUASAK LA-ORSUWAN | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 27/07/2016

Management Name : Mr KUASAK LA-ORSUWAN | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 10/06/2016

Management Name : Mrs PORNPAT RODPHOTONG BOONTANOM | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 31/08/2017

Management Name : Mr SHUI PANG KANJANAPAS | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 01/09/2016

Management Name : Mr SHUI PANG KANJANAPAS | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 10/08/2017

substantial resurgence of the COVID-19 pandemic in late 2020 has resulted in a decline in travelling and transportation, despite the holidays and traveling season. Nevertheless, the average selling price of

in biodiesel consumption has not been as predicted as the impact of the substantial resurgence of the COVID-19 pandemic in mid of 2021 has resulted in a decline in travelling and transportation

growth is lower than initially anticipated. The mobile industry has gained momentum aligned with increased private consumption and the resurgence of tourist-related activities. Amid an evolving competitive

| Methods of Acquisition / Disposition : Buy | Transaction Date : 23/08/2016 http://capital.sec.or.th/webapp/corp_fin2/result59c.php?cmb_comp_run_code=0000004132 List of management who submitted the changes

| Methods of Acquisition / Disposition : Buy | Transaction Date : 09/09/2016 http://capital.sec.or.th/webapp/corp_fin2/result59c.php?cmb_comp_run_code=0000004132 List of management who submitted the changes