SDGI: Abnormal fluctuations in stock trading

SDGI announced that the company's stock price increased by more than 20% cumulatively over two consecutive trading days on August 13 and August 14, 2025, which constitutes an abnormal fluctuation in stock trading. After verification, the company's recent operating conditions are normal, there have been no significant changes in the internal and external environment, and there are no significant matters that should be disclosed but have not been disclosed. During this period of stock fluctuation, the controlling shareholder and actual controller did not buy or sell the company's stock. The company plans to disclose the "2025 Semi-Annual Report" on August 28, 2025