Bridge and Road Information: There have been no significant changes in operating conditions or the internal and external operating environment.

Golden Ten Data on May 30, Road and Bridge Information announced that the deviation of the closing price of the company’s shares in the last two trading days has reached 66.74%, which is an abnormal fluctuation situation. After verification, there is no need to correct or supplement the items announced in the previous period, there are no major changes in the company’s operating conditions and internal and external business environment, and there are no major matters that should be disclosed but have not been disclosed. The company and its directors, supervisors and senior executives did not trade the company’s shares during the period of abnormal fluctuations.