Wavelength Optoelectronics: The company's operational situation and internal and external environment have not undergone significant changes.

Jin10 Data reported on September 19 that Wavelength Optoelectronics announced that its stock has accumulated a rise of 48.17% over 3 consecutive trading days from September 17, 2025, to September 19, 2025, which has triggered an abnormal fluctuation announcement. The company has conducted a self-examination and confirmed that there are no major matters that should have been disclosed but were not disclosed, and that the controlling shareholder and actual controller did not buy or sell the company’s stock during the relevant period. The company's operating conditions and internal and external environment have not undergone significant changes.