Evergreen Technology: Received first round of inquiries from the Shanghai Stock Exchange

Changqing Technology Announcement: On November 6, 2025, the company received a "Inquiry Letter on the Application for Issuance of Convertible Corporate Bonds by Jiangsu Changqingshu New Materials Technology Co., Ltd. to Unsolicited Investors" issued by the Shanghai Stock Exchange. The review institution of the Shanghai Stock Exchange has reviewed the application documents for the issuance of convertible corporate bonds to unsolicited investors by the company and has initiated the first round of inquiries. The company, together with relevant intermediaries, has conducted serious research and implemented each item of the questions raised in the inquiry letter.