Tian Nai Technology: Core technology staff Wei Zhao Jie has left due to retirement.

Tian Nai Technology announced that core technical staff member Wei Zhaojie has left the company upon reaching the statutory retirement age and will no longer hold any position with the company. He has served the company for many years, responsible for carbon tube research and development, and holds an indirect stake of 472,505 shares. After his departure, he will adhere to relevant commitments. He has completed the handover of his work, which will not affect the companys ongoing projects, patent ownership, or core technology research and development. The number of the company's research and development personnel is steadily increasing, with 7 core technical staff members currently, and his departure has not had a significant adverse impact on core competitiveness, among other factors. The company will enhance talent recruitment and training. The sponsor has no objections to this departure.