security as well as supervise, monitor and examine compliance with such policies, measures, and operating systems, and review the suitability thereof regularly; In the interest of meeting the aforesaid

: Operational Control and Security of the Information Technology of Securities Company For the purpose of rendering the securities companies to efficiently comply with the Notification of the Office of Securities

-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

9.12% Operating results for each business segment are shown below: 1. Manufacturing and Selling of Special Cutting Tools unit: THB million 2020 2019 Change (THB million) Change (%) Revenue from External

บริษัท สำนักกฎหมายธรรมนิติ จำกัด Information memorandum on Acquisition of Assets of Halcyon Technology PLC. (HTECH) Company’s Name Master Carbide Tools Company d/b/a Mastertech Diamond Products

-123.26 -70.72% 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

-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

45.00 137.32 -92.32 -67.23% 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

41.24% Operating results for each business segment are shown below: 1. Manufacturing and Selling of Special Cutting Tools unit: THB million 2020 2019 Change (THB million) Change (%) Revenue from External

with Chapter 1; (2) establishment of policies, measures, and management arrangement concerning information security in accordance with Chapter 2; (3) management of IT assets and the access control to