Changdian Technology: Abnormal fluctuations in stock trading, no undisclosed matters that should be disclosed.

Changdian Technology announced that the closing price of the companys stock experienced a cumulative deviation of over 20% during three consecutive trading days from August 4 to 6, 2026, which constitutes an abnormal fluctuation. During these three trading days, the total turnover rate reached 31.05%, indicating a relatively high short-term turnover rate. After self-inspection and verification with the controlling shareholder and the actual controller, the company confirmed that its production and operation are normal, with no significant matters involved, and no relevant media reports or market rumors have been discovered. During this period, no relevant personnel engaged in the buying or selling of the company's stock. Investors are reminded to pay attention to risks and to invest rationally.