20CM2 Continuous Board Civil Explosive Optoelectronics: The company plans to acquire 100% equity of Xiazhi Precision. This matter is subject to approval by the shareholders' meeting and review by relevant regulatory authorities before implementation.

Mingbao Optoelectronics announced that the company’s stock experienced a cumulative deviation of 43.92% in closing prices over two consecutive trading days on February 2, 2026, and February 3, 2026. According to the trading rules of the Shenzhen Stock Exchange, this constitutes abnormal stock trading fluctuations. The company plans to acquire 100% equity of Xiazhi Precision through cash and share issuance methods. This matter is subject to approval by the shareholders’ meeting and regulatory authorities before implementation, and there are uncertainties involved. The company’s operations are normal, and no significant changes have been observed. During the period of abnormal stock price fluctuations, the controlling shareholder and actual controller did not buy or sell the company’s stock. The company will fulfill its information disclosure obligations as required and remind investors to be aware of risks.