Sirt: Deputy General Manager Liu Yong resigns due to personal and family reasons.

Notice from Serte Company: The Board of Directors received a written resignation report from the Deputy General Manager Liu Yong on July 16, 2025. Mr. Liu Yong resigned from the position of Deputy General Manager of the company and all positions held in the company's various branches and subsidiaries due to personal and family reasons. Mr. Liu Yong was originally scheduled to serve until the end of the term of the sixth session of the Board of Directors of the company, but will no longer hold any position in the company after his resignation. His resignation will not affect the normal operation of the company, and he does not hold any shares of the company.