NIHON KAGAKU SANGYO CO.,LTD.

The businesses described in this report are conducted through two segments: the Chemicals Business, focused mainly on the manufacture and sale of chemical products, and the Building Materials Business, focused mainly on the manufacture and sale of building materials. The Group operates primarily in Japan and Thailand. In the Chemicals Business, it manufactures and sells a wide range of metal-based chemicals for various applications, including surface treatment chemicals, catalyst chemicals, battery chemicals, and chemicals for ceramics and glass. In the Building Materials Business, it manufactures and sells residential building materials with fireproofing, ventilation and waterproofing functions. Its principal overseas base is Siam NKS CO., LTD. in Thailand, a manufacturing and sales base for industrial chemicals with capital of THB330 million and a 100% ownership interest. Under its medium-term management plan, the Group's basic policies are to expand growth areas in Japan and overseas, promote the circular economy, build a decarbonized society, and advance human capital management. Specific initiatives under the plan include creating new businesses through the use of recycling technologies, expanding overseas markets, promoting strategic partnerships, and continuing active investment in facilities, research and development, and human resources, while strengthening governance and enhancing internal controls.