National Chips Technology: Shareholders plan to collectively reduce their holdings by no more than 4.5% of the company's shares.

Guoxin Technology Announcement, the company, Tianjin Tianchuang Baoxin Venture Investment Partnership Enterprise, Tianjin Tianchuang Huaxin Modern Service Industry Venture Investment Partnership Enterprise, and Wei Hongkun need to withdraw due to fund needs or personal fund needs, and plan to reduce their holdings of company shares through centralized bidding or block trading method. The reduction period is within 3 months after 3 trading days from the date of announcement disclosure. Among them, Tibet Taida plans to reduce its holdings by no more than 8.5 million shares, accounting for 2.53% of the total share capital of the company; Tianchuang Baoxin plans to reduce its holdings by no more than 1.7416 million shares, accounting for 0.52% of the total share capital of the company; Tianchuang Huaxin plans to reduce its holdings by no more than 3.0996 million shares, accounting for 0.92% of the total share capital of the company; Wei Hongkun plans to reduce its holdings by no more than 1.7808 million shares, accounting for 0.53% of the total share capital of the company. This reduction plan will not have a significant impact on the company's governance structure and continuous operation.