TC: The company is currently still in the market exclusion period of State Grid Corporation of China and China Southern Power Grid Co., Ltd

TC announced that the company's stock price has deviated by more than 20% in cumulative closing price increase over three consecutive trading days, which constitutes an abnormal fluctuation in stock trading. After self-examination, the company found that there have been no significant changes in its production and operation, and aside from the disclosed significant matters, neither the company nor its controlling shareholders and actual controllers have any other significant matters that should be disclosed but have not been disclosed. The company focuses on the research, development, production, and sales of power line carrier communication and smart grid equipment, with its core business revolving around "smart meter data transmission, power safety protection," and fire protection business, and there have been no significant changes in the company's core business. The company is currently still in the market ban period of State Grid Corporation of China and China Southern Power Grid Co., Ltd., and investors are advised to pay attention to investment risks