Changyingtong announced that the cumulative deviation value of the closing price increase of the company's A-share shares exceeded 30% during the three consecutive trading days of August 12, August 13, and August 14, 2026, which is an abnormal fluctuation in stock trading. After self-inspection and verification with the controlling shareholders and actual controllers, as of the date of disclosure of the announcement, the company's production and operation were normal, and there were no important matters that should have been disclosed but not disclosed. In addition, the company's polarized fiber device business accounts for less than 1% of revenue, and there are few orders in the communications sector. The performance targets of subsidiaries reported by individual media are not confirmed by the company. The company reminds investors to be aware of the risk of stock price fluctuations.

Changyingtong announced that the cumulative deviation value of the closing price increase of the company's A-share shares exceeded 30% during the three consecutive trading days of August 12, August 13, and August 14, 2026, which is an abnormal fluctuation in stock trading. After self-inspection and verification with the controlling shareholders and actual controllers, as of the date of disclosure of the announcement, the company's production and operation were normal, and there were no important matters that should have been disclosed but not disclosed. In addition, the company's polarized fiber device business accounts for less than 1% of revenue, and there are few orders in the communications sector. The performance targets of subsidiaries reported by individual media are not confirmed by the company. The company reminds investors to be aware of the risk of stock price fluctuations.