山子高科技股份有限公司 关于股票交易异常波动公告

Group 1 - The company's stock experienced an abnormal trading fluctuation, with a cumulative closing price increase of 20% over two consecutive trading days (September 1 and September 2, 2025) [1] - The company's board confirmed that there are no undisclosed significant matters related to the company that could impact stock trading prices, and there were no significant changes in the company's operational situation or external environment [2][2] - The board has verified that there are no significant undisclosed matters according to the Shenzhen Stock Exchange's regulations, and previous disclosures do not require correction or supplementation [2][2] Group 2 - The company has conducted a self-examination and confirmed compliance with fair information disclosure practices [3] - The designated information disclosure media for the company is the Giant Tide Information Network, where all company information will be published [3] - The company's specific operational situation and financial data for the first half of 2025 can be referenced in the half-year report disclosed on August 28, 2025 [3]