Zhongrun Optics: Core technical staff departing will not have a significant impact on the company.

Guoxin Securities conducts a verification of the resignation of Li Bingchuan, a core technical personnel of Zhongrun Optics. Li Bingchuan resigned for personal reasons and no longer holds a position in the company. He indirectly holds 38,680 shares and has not reduced his holdings. The research and patent application results that he participated in during his tenure belong to the company, and he has completed the handover of work. His resignation does not affect the integrity of the company's intellectual property rights. The number of R&D personnel in the company has increased from 134 at the end of 2022 to 164 at the end of 2024, with 10 core technical personnel remaining after the change. The sponsoring institution believes that this resignation will not have a significant adverse impact on the company's main research projects, patent rights integrity, research and development capabilities, and sustainable operations.