Tranche Update on SIG Group Co.,Ltd.'s Equity Buyback Plan announced on November 26, 2021.

SIG Group Co Ltd, formerly SIG Co Ltd, is a Japan-based company mainly engaged in system development business and infrastructure and security business. The system development business is engaged in system development, including information systems, control and monitoring systems for plants, embedded systems for manufacturing equipments for public work, finance and service industry. The infrastructure and security services business includes information technology (IT) infrastructure solutions and security services. The IT infrastructure solutions business engages in device configurations such as various servers and storage, as well as design, construction, introduction support and operation management of networks, databases and backups. The security service business provides security products, security hole searching, penetration testing service, as well as design, construction, maintenance and operation of security products.