Simple authenticity check: Chairman's assistant Yin Bingkui increased his holding by 0.2106%.

Announcement on the Increase Holding of Chairman's Special Assistant From December 17, 2025 to March 10, 2026, the Chairman's special assistant Yin Bingkui increased the company's stock by 248,800 shares through centralized bidding, accounting for 0.2106% of the share capital after excluding the shares in the repurchase special account, with a total investment of 9.7035 million yuan. The amount of this increase plan is not less than 8 million yuan and not more than 12 million yuan, which has now been completed. Yin Bingkui did not hold any shares before, and now holds 248,800 shares after the increase. He has committed not to reduce holdings within six months after the increase is completed.