Announcement on the Company's Share Buyback Reaching 1% and Total Buyback Reaching 2% of Total Share Capital

Shanghai Tianji Technology Co., Ltd. (hereinafter referred to as "the Company") held the 11th interim meeting of the 6th Board of Directors on April 29, 2026, and approved the proposal on the share buyback plan. The Company intends to use its own funds of no less than RMB 50 million and no more than RMB 100 million for the buyback, with a maximum buyback price of RMB 16 per share. Based on the range of the buyback amount and the upper limit of the buyback price, the Company plans to repurchase no more than 6.25 million shares, accounting for 2.05% of the total share capital, and no less than 3.125 million shares, accounting for 1.02% of the total share capital. The specific number of shares to be repurchased will be based on the actual number of shares repurchased upon the expiration of the buyback period or completion of the buyback. The purpose of this share buyback is necessary to maintain the Company's value and protect shareholder rights, and the shares will be sold within the prescribed period in accordance with relevant buyback rules and regulatory guidelines. For specific details, please refer to the announcement titled "Announcement on the Share Buyback Plan and Buyback Report" (Announcement No. 2026-037) disclosed by the Company on April 29, 2026, on the Giant Tide Information Network. On April 30, 2026, the Company implemented its first buyback; specific details can be found in th