ST Jinglan: Abnormal fluctuations in stock trading, halting for investigation.

ST Jinglan Announcement: The company's stock has experienced abnormal fluctuations in trading prices for three consecutive trading days on March 10, 2026, March 11, 2026, and March 12, 2026, with the cumulative deviation exceeding 14.00%. In accordance with the relevant regulations of the Shenzhen Stock Exchange, this constitutes abnormal trading fluctuations. In order to protect the interests of investors, the company will conduct an investigation into the stock trading fluctuations. Upon the company's application, the trading of the company's stock will be suspended from March 13, 2026, and will resume after the investigation and disclosure of relevant announcements, with an expected suspension period of not more than 5 trading days. The company reminds the general investors to pay attention to the risks of trading in the secondary market.