Science and Engineering Navigation: Abnormal fluctuations in stock prices indicate multiple investment risks.

The announcement for Engineering Navigation stated that the company's stock has had abnormal fluctuations, with the closing prices deviating by 30% for two consecutive trading days. Following a self-inspection, the company confirmed that its daily operations are normal and there are no undisclosed significant information. The company is still in the initial stages in the commercial aerospace field, with a business income of approximately 1.544 million yuan from January to September 2025. The non-deductible net profits for the year 2024 and January to September 2025 were -8.775 million yuan and -7.1652 million yuan, respectively. Since January 7, 2026, the stock price has risen by 55.45%, exceeding the industry index for the same period, with a current P/E ratio of 313.75 times, significantly higher than the industry average. The company reminds investors of the risks involved in stock price, performance, valuation, and other investments.