Announcement on Abnormal Stock Trading Fluctuation

Shandong Senter Electronic Co., Ltd.·July 22, 2026·2 pages

✨ AI Summary

Shandong Xintong Electronic Co., Ltd. experienced abnormal stock price fluctuations on July 21 and 22, 2026, with a cumulative decline exceeding 20%. The company confirmed that there are no undisclosed material events or information requiring correction. Management verified that controlling shareholders and actual controllers did not trade company shares during this period. Investors are advised to be aware of secondary market risks and exercise caution.

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Stock Code: 001388 Stock Abbreviation: Xintong Electronic Announcement No.: 2026-038

Shandong Xintong Electronic Co., Ltd.

Announcement on Abnormal Stock Trading Fluctuation

I. Situation of Abnormal Stock Trading Fluctuation

The company's stock experienced a cumulative closing price decline exceeding 20% over two consecutive trading days on July 21 and July 22, 2026. According to the Trading Rules of the Shenzhen Stock Exchange, this constitutes an abnormal stock trading fluctuation.

II. Explanation of Company Inquiries and Verification

Regarding the abnormal stock trading fluctuation, the company has conducted an investigation into relevant matters, and the situation is explained as follows:

There is no need for correction or supplementation of information previously disclosed by the company.
The company has not discovered any undisclosed material information reported by public media recently that could or has already had a significant impact on the company's stock trading price.
There have been no significant changes in the company's recent business operations or internal and external operating environments.

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