Xinghao Optoelectronics: Abnormal fluctuations in stock trading; no undisclosed information that should be disclosed.

Xinhau Optoelectronics announced that the closing price of its stock on August 7 and August 10, 2026, had a cumulative fluctuation deviation of over 30% for two consecutive trading days, which constitutes an abnormal volatility situation. After self-examination and verification with the largest shareholder, the company confirmed that there is no significant information that should have been disclosed but was not, the fundamentals remain unchanged, and operations are normal. During the period of abnormal volatility, the largest shareholder did not engage in any buying or selling of the company's stock. The company has scheduled to disclose its semi-annual report on August 29 and reminds investors to pay attention to the risks.