Sai Microelectronics: Has not yet completed the equity transfer of Xindonglai with potential transaction partners.

Se Wei Electronics announces a notice of abnormal fluctuations in stock trading. The company plans to purchase a part of the equity of Beijing Xindonglai Semiconductor Technology Co., Ltd. with a total transaction price not exceeding 60 million yuan. As of the date of this announcement, the company has not yet completed the delivery of Xindonglai's equity with the potential trading partner. Xindonglai's photolithography business belongs to a mature process and does not involve advanced processes. In actual operation, Xindonglai may face various risks such as operational management, market competition, etc. The short-term support for the company to reduce the risk of key core equipment supply and increase the proportion of domestic equipment applications may be limited. The company faces the risk of not achieving the expected investment objectives.