Transignal Communications: The cumulative deviation of the closing price from the previous three trading days exceeds 20%.

Super Information Communication Announcement: The company's stock experienced abnormal fluctuations in trading on September 19, September 22, and September 23, 2025, with the closing prices deviating by over 20% for three consecutive trading days. In accordance with the relevant provisions of the "Trading Rules of the Shanghai Stock Exchange", this is considered abnormal stock trading volatility. After conducting an internal investigation, and consulting with the controlling shareholder and actual controller in writing, as of the date of this announcement, it has been confirmed that there are no other significant matters or important information that should have been disclosed but were not disclosed.