*ST Infineon announced that under the premise that the total guarantee amount for 2026 remains the same, the company transferred 25 million yuan from Hangzhou Technology's unused guarantee amount to Siwang Communications and Swann. After the transfer, the total guarantee amount of the two was 35 million yuan, and the Hangzhou Technology guarantee amount was 115 million yuan. The company and its two subsidiaries signed a guarantee agreement with UI to provide a joint liability guarantee of up to 5 million US dollars for debts under the Siwang Communications and Swann procurement cooperation. The guarantee is within the amount after the transfer. As of the date of disclosure of the announcement, the Company and its wholly-owned subsidiaries' bank loans were overdue principal and interest of approximately $562 million, including guaranteed overdue principal and interest of $195 million. There is uncertainty about the settlement of overdue debts.

*ST Infineon announced that under the premise that the total guarantee amount for 2026 remains the same, the company transferred 25 million yuan from Hangzhou Technology's unused guarantee amount to Siwang Communications and Swann. After the transfer, the total guarantee amount of the two was 35 million yuan, and the Hangzhou Technology guarantee amount was 115 million yuan. The company and its two subsidiaries signed a guarantee agreement with UI to provide a joint liability guarantee of up to 5 million US dollars for debts under the Siwang Communications and Swann procurement cooperation. The guarantee is within the amount after the transfer. As of the date of disclosure of the announcement, the Company and its wholly-owned subsidiaries' bank loans were overdue principal and interest of approximately $562 million, including guaranteed overdue principal and interest of $195 million. There is uncertainty about the settlement of overdue debts.