According to Tongji Technology's announcement, from December 11, 2025 to January 5, 2026, the shareholder Shanghai Yangpu Trading Co., Ltd. increased its A-share holdings by a total of 5.621,100 shares through centralized bidding, accounting for 0.90% of the total share capital. The shareholding ratio increased from 6.17% to 7.07%, and the equity hit an integer multiple of the 1% scale. This increase in holdings uses own funds and does not involve the proposed acquisition. It will not lead to changes in the company's controlling shareholders or actual controllers, nor does it involve disclosure of relevant report documents.

According to Tongji Technology's announcement, from December 11, 2025 to January 5, 2026, the shareholder Shanghai Yangpu Trading Co., Ltd. increased its A-share holdings by a total of 5.621,100 shares through centralized bidding, accounting for 0.90% of the total share capital. The shareholding ratio increased from 6.17% to 7.07%, and the equity hit an integer multiple of the 1% scale. This increase in holdings uses own funds and does not involve the proposed acquisition. It will not lead to changes in the company's controlling shareholders or actual controllers, nor does it involve disclosure of relevant report documents.