Reporting Person : - | Type of securities : - | Date of reporting obligation : 12/03/2003

Management Name : Mr SUCHIN WANGLEE | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 17/02/2016

Management Name : Mr VIVAT CHARANVAS | Type of securities : Common share | Methods of Acquisition / Disposition : Transfer | Transaction Date : 12/10/2015

Management Name : Mr VIVAT CHARANVAS | Type of securities : Common share | Methods of Acquisition / Disposition : Receive | Transaction Date : 07/08/2017

maintain production cost as low as possible. Due to the decrease in sales volume, the Company is considering providing the manufacturing service to biodiesel producer customer again in the next quarter

stocked during 15-20 days. Besides, the Company emphasis on efficiently control production yield. Subsidiaries realized net loss of 3.72 million Baht in the 3rd quarter of 2021 and net loss of 2.50 million

stocked during 15-30 days in the 1stquarter of 2021. Besides, the Company emphasis on efficiently control production yield. Subsidiaries realized net loss of 4.27 million Baht in the 1st quarter of 2021 and

, the Company emphasis on efficiently control production yield. Subsidiaries realized net loss of 13.86 million Baht in 2020 and net loss of 28.39 million Baht in 2019, comparing decreased by 14.53

External Customers 176.32 206.94 -30.62 -14.80% Net Profit for the Period 10.89 18.44 -7.55 -40.94% 3. Manufacturing and Selling of Tooling and Metal Fabrication unit: THB million 2020 2019 Change (THB

. Manufacturing and Selling of Tooling and Metal Fabrication unit: THB million 2019 2018 Change (THB million) Change (%) Revenue from External Customers 73.42 64.69 8.73 13.50% Total Revenue 73.81 65.60 8.21 12.51