Red Star Macalline Group Corporation (01528) A shares experienced abnormal fluctuations in stock trading, there are undisclosed items that should have been disclosed.

Red Star Macalline Group Corporation (01528) announced that the closing price of the company's A shares on December 8, December 9, and December 10, 2025, exceeded a cumulative deviation of 20% for three consecutive trading days. According to the relevant provisions of the "Shanghai Stock Exchange Trading Rules", this constitutes abnormal stock trading volatility. The board of directors confirmed that as of now, the company has not disclosed any matter or related planning, negotiations, intentions, agreements, etc., that should be disclosed in accordance with the Shanghai Stock Exchange's "Stock Listing Rules" or other relevant regulations, and the board of directors has not received any information from the company that should be disclosed in accordance with the relevant regulations and that could have a significant impact on the trading price of the company's stock and its derivative instruments. The information disclosed by the company earlier does not require correction or supplementation. The company's operating income for the year 2024 was 7.82 billion yuan, a decrease of 32.08% compared to the same period last year, with a net profit attributable to the shareholders of the listed company of -2.98 billion yuan and a basic earnings per share of -0.69 yuan/share. The company's operating income for the first three quarters of 2025 was 4.97 billion yuan, a decrease of 18.62% compared to the same period last year, with a net profit attributable to the shareholders of the listed company of -3.14 billion yuan and a basic earnings per share of -0.72 yuan/share.