Progress Announcement on the Use of Part of Idle Raised Funds for Cash Management

Shenzhen Mingyang Circuit Technology Co., Ltd. (hereinafter referred to as "the Company") held the 11th meeting of the 4th Board of Directors on December 17, 2025, to review and approve the proposal on the use of part of the idle self-owned funds and part of the idle raised funds for cash management. The Company and its holding subsidiaries are authorized to use a maximum of RMB 500 million of idle self-owned funds and a maximum of RMB 400 million of temporarily idle raised funds for cash management, purchasing financial products with high safety and good liquidity. The funds can be used on a rolling basis, but the use of idle raised funds to purchase financial products must meet the requirement that the investment period for each product does not exceed 12 months and must ensure capital preservation. The investment period is within 12 months from the date of approval by the Board of Directors, and the cash management limit can be used on a rolling basis within the investment period. For specific details, please refer to the relevant announcement published by the Company on December 17, 2025, on the Giant Tide Information Network (www.cninfo.com.cn).