-68.42% 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

) Year Status Type Period As Of Audit Financial Statement MD&A Financial Statement Revise 2021   Company Year 31/12/2021       2021   Consolidated Year 31/12/2021       2021 Reviewed Company Q3 30/09/2021

) Year Status Type Period As Of Audit Financial Statement MD&A Financial Statement Revise 2021   Company Year 31/12/2021       2021   Consolidated Year 31/12/2021       2021 Reviewed Company Q3 30/09/2021

) Year Status Type Period As Of Audit Financial Statement MD&A Financial Statement Revise 2021   Company Year 31/12/2021       2021   Consolidated Year 31/12/2021       2021 Reviewed Company Q3 30/09/2021

) Year Status Type Period As Of Audit Financial Statement MD&A Financial Statement Revise 2021   Company Year 31/12/2021       2021   Consolidated Year 31/12/2021       2021 Reviewed Company Q3 30/09/2021

) Year Status Type Period As Of Audit Financial Statement MD&A Financial Statement Revise 2021   Company Year 31/12/2021       2021   Consolidated Year 31/12/2021       2021 Reviewed Company Q3 30/09/2021

) Year Status Type Period As Of Audit Financial Statement MD&A Financial Statement Revise 2021   Company Year 31/12/2021       2021   Consolidated Year 31/12/2021       2021 Reviewed Company Q3 30/09/2021

) Year Status Type Period As Of Audit Financial Statement MD&A Financial Statement Revise 2021   Company Year 31/12/2021       2021   Consolidated Year 31/12/2021       2021 Reviewed Company Q3 30/09/2021

) Year Status Type Period As Of Audit Financial Statement MD&A Financial Statement Revise 2021   Company Year 31/12/2021       2021   Consolidated Year 31/12/2021       2021 Reviewed Company Q3 30/09/2021

) Year Status Type Period As Of Audit Financial Statement MD&A Financial Statement Revise 2021   Company Year 31/12/2021       2021   Consolidated Year 31/12/2021       2021 Reviewed Company Q3 30/09/2021