Optoelectronics Co., Ltd. (600184.SH): The controlling shareholder reduced its holdings by a total of 3.086,900 shares on September 11 and 14

Zhitong Finance App News, Optoelectronics Co., Ltd. (600184.SH) issued an announcement. The cumulative deviation value of the closing price increase of the company's A-share shares exceeded 20% during three consecutive trading days on September 11, 2026, September 14, and September 15, 2026. According to the relevant provisions of the “Shanghai Stock Exchange Trading Rules”, this is an abnormal fluctuation in stock trading. Optoelectronics Group, the controlling shareholder of the company, reduced its holdings by 3 million shares and 86,900 shares through centralized bidding on September 11, 2026 and September 14, 2026, respectively. The above holdings reduction matters were in line with the disclosed holdings reduction plan, and the progress of the holdings reduction did not meet the disclosure standards of the provisional announcement. Up to now, the Optoelectronics Group's holdings reduction plan has not been completed.

After self-inspection by the company and verification with the controlling shareholder and actual controller, as of the date of this announcement, there was no material information that should have been disclosed but not disclosed.