Chunzhong Technology: Abnormal fluctuations in stock trading do not exist undisclosed material information that should be disclosed.

Chunzhong Science and Technology announced that the company's stock prices have deviated by 20% for three consecutive trading days on June 3, June 4, and June 5, 2026, which is considered abnormal volatility. After self-inspection and verification with the controlling shareholder and actual controller, as of the disclosure date of the announcement, there is no significant information that should have been disclosed but was not. The company's production and operation are normal, and its business does not involve the production of liquid-cooled servers. It only participates in the testing process, which has uncertainty in progress. The revenue for the year 2025 was 329 million yuan, with a net profit of 280 million yuan, and a non-GAAP net loss of 35.27 million yuan; in the first quarter of 2026, the revenue was 44.5754 million yuan, with a net profit of 1.7098 million yuan, and a non-GAAP net loss of 13.4835 million yuan.