Tongguan Mining Construction announced that the company held a board of directors on August 13, 2026 to review and pass the bill. According to development strategy and business development needs, it is proposed to establish a Guizhou branch to further expand the Guizhou regional mine development service market and enhance territorial service capabilities and market response efficiency. The establishment of the branch does not constitute a related transaction or major asset restructuring.

Tongguan Mining Construction announced that the company held a board of directors on August 13, 2026 to review and pass the bill. According to development strategy and business development needs, it is proposed to establish a Guizhou branch to further expand the Guizhou regional mine development service market and enhance territorial service capabilities and market response efficiency. The establishment of the branch does not constitute a related transaction or major asset restructuring.