4 days 3 boards Tian Tong shares: the main business of the company has not changed. The company does not produce commercial satellites or optical module products.

Tiantong Corporation issues a risk alert announcement, as the company's stock price has experienced three consecutive daily limit-up trading days from January 30th to February 4th, 2026, with a total increase of 37.39% and a turnover rate of 58.06%, all of which are significantly higher than the industry average during the same period. There may be a significant risk of a subsequent sharp decline in the stock price. The company expects a net profit attributable to the owners of the parent company of -1.2 billion to -1.7 billion yuan for the year 2025; and a net profit attributable to the owners of the parent company after deducting non-recurring gains and losses of -1.7 billion to -2.2 billion yuan. The company's main business has not changed, and it does not produce commercial satellites or optical module products.