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

. 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

-15.07% 3. Manufacturing and Selling of Tooling and Metal Fabrication unit: THB million 2019 2018 Change (THB million) Change (%) Revenue from External Customers 52.07 46.87 5.20 11.09% Total Revenue 52.37

. Manufacturing and Selling of Tooling and Metal Fabrication unit: THB million 2019 2018 Change (THB million) Change (%) Revenue from External Customers 14.60 13.92 0.68 4.89% Total Revenue 14.68 14.00 0.68 4.89

-74.72% Operating results for each business segment are shown below: 1. Manufacturing and Selling of Special Cutting Tools unit: THB million 2019 2018 Change (THB million) Change (%) Revenue from External

External Customers 101.67 105.04 -3.36 -3.20% Net Profit for the Period 7.31 10.20 -2.89 -28.31% 3. Manufacturing and Selling of Tooling and Metal Fabrication unit: THB million 2020 2019 Change (THB million

strategy both in term of product and customer; and 4) a new manufacturing line which will be ready for production in Q4/2017. The new manufacturing line is currently the world’s best technology and will

net profit margin 2) higher depreciation resulted from additional investments in plant, machinery, and office renovations to improve production efficiency and reduce production cost, in order to prepare

precipitate and sulfur in various forms, and move manufacturing Zirconium Silicate combined manufacturing operations at its plant in Prachinburi. Only The company will begin production at its plant in