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 (Securities Code: 000688) experienced an abnormal trading fluctuation, with a cumulative closing price increase exceeding 20% over two consecutive trading days (November 10 and 11, 2025) [2] - The company held board and supervisory meetings on November 7, 2025, where it approved significant asset purchase and related transaction proposals, fulfilling the necessary information disclosure procedures [3] - The company confirmed that there are no undisclosed significant matters that could affect stock trading prices, and the recent operational environment remains stable [6][7] Group 2 - The company issued 8,500,000 convertible bonds with a total value of 850 million yuan, which began trading on August 10, 2020 [10][11] - The convertible bond's initial conversion price was set at 21.07 yuan per share, with the latest adjustment bringing it down to 12.58 yuan per share [13][14] - The convertible bonds experienced an abnormal trading fluctuation, with a cumulative closing price increase exceeding 30% over three consecutive trading days (November 7, 10, and 11, 2025) [19]