国城矿业股份有限公司股票交易异常波动公告

Group 1 - The company's stock (trading name: Guocheng Mining, stock code: 000688) experienced an abnormal trading fluctuation, with a cumulative closing price increase exceeding 20% over three consecutive trading days (October 29, 30, and 31, 2025) [1] - The company held its 28th meeting of the 12th Board of Directors and the 14th meeting of the 11th Supervisory Board on December 17, 2024, where it approved the proposal regarding the major asset acquisition and related transactions, following the necessary information disclosure procedures [1] - The company has published progress announcements regarding the major asset restructuring on specified disclosure media on January 18, February 17, March 18, April 17, May 17, June 16, July 15, August 14, September 13, and October 11, 2025 [2] Group 2 - The company confirmed that there are no other significant undisclosed matters that should have been disclosed [3] - The company did not find any recent media reports that could have significantly impacted its stock trading price with undisclosed major information [4] - The company's daily operations are normal, and there have been no significant changes in the internal and external operating environment [5] Group 3 - The Board of Directors confirmed that there are no undisclosed matters that should be disclosed according to the Shenzhen Stock Exchange's listing rules [6] - The company conducted inquiries with its controlling shareholder, Guocheng Holdings Group, and its concerted actors, confirming that they have no undisclosed significant matters and did not trade the company's stock during the abnormal fluctuation period [5]