Changxin Botech: Director Tang Jinkuan, Deputy General Manager Zhou Rongrong, and Finance Director PEH KOK THYE plan to reduce their holdings by 0.02%, 0.01%, and 0.01% respectively.

Chongxin Bohua Announcement: The company's directors and general manager Tang Jinkuan, deputy general manager Zhou Rongrong, and finance director PEH KOK THYE collectively hold 315,000 shares, accounting for 0.11%; due to their own financial needs, they plan to collectively reduce their holdings by no more than 13,780 shares, accounting for 0.05% through centralized bidding from December 15, 2025 to March 14, 2026. Among them, Tang Jinkuan holds 72,187 shares, accounting for 0.02%; Zhou Rongrong holds 32,812 shares, accounting for 0.01%; PEH KOK THYE holds 32,812 shares, accounting for 0.01%. The source of the reduction in shares is from the restricted stock incentive plan.