Announcement on the Completion of Share Reduction Plan by Shareholder

Securities Code: 002297 Securities Abbreviation: Boyun New Materials Serial Number: 2026-022 Hunan Boyun New Materials Co., Ltd. Announcement on the Completion of Share Reduction Plan by Shareholder The Company and all members of the Board of Directors guarantee that the information disclosed is true, accurate, and complete, and contains no false records, misleading statements, or major omissions. Hunan Boyun New Materials Co., Ltd. (hereinafter referred to as the "Company") disclosed the "Announcement on Pre-disclosure of Share Reduction Plan by Shareholder Holding More Than 5% of Shares" (Announcement No.: 2026-004) on January 23, 2026. Hunan Xiangtou High-tech Venture Capital Co., Ltd. (hereinafter referred to as "Gaocun Investment"), a shareholder holding more than 5% of the Company's shares, planned to reduce its holdings by no more than 5,730,000 shares, not exceeding 1% of the Company's total share capital, through centralized bidding transactions within three months from the date of the announcement disclosure, starting from the fifteenth trading day after the announcement (February 24, 2026, to May 23, 2026). On April 17, 2026, the Company disclosed the "Notice Announcement on Shareholder Holding More Than 5% of Shares Falling Below 5% and Change in Equity" (Announcement No.: 2026-020). Gaocun Investment reduced its holdings by 4,072,000 shares through centralized bidding transactions from April 14, 2026, to April 16, 2026, accounting for 0.71% of the Company's total share capital. After the aforementioned equity change, Gaocun Investment held 28,655,202 shares of the Company, accounting for 4.999993% of the Company's total share capital, and was no longer a shareholder holding more than 5% of the Company's shares. Recently, the Company received the "Letter of Notification on the Completion of Share Reduction Plan" issued by shareholder Gaocun Investment. As of the disclosure date of this announcement, the share reduction plan has been implemented, and Gaocun Investment has reduced its holdings by a total of 5,730,000 shares, representing a reduction ratio of 1%. The relevant situation is hereby announced as follows: I. Share Reduction Status (I) Share Reduction by Gaocun Investment

1. Gaocun Investment's share reduction plan does not violate the "Securities Law," "Shenzhen Stock Exchange Stock Listing Rules," "Interim Measures for the Management of Shareholder Reductions by Listed Companies," "Management Rules for Shares Held by Directors, Supervisors, and Senior Management of Listed Companies," "Shenzhen Stock Exchange Listed Company Self-Regulatory Supervision Guide No. 18 - Reduction of Shares by Shareholders, Directors, Supervisors, and Senior Management," and other relevant laws, regulations, and normative documents, nor does it violate any shareholder commitments.
2. Gaocun Investment's share reduction plan was pre-disclosed in accordance with relevant regulations. This reduction is consistent with the previously disclosed reduction plan. The actual number of shares and the proportion reduced did not exceed the planned number of shares and proportion, and there were no violations.
3. Gaocun Investment is not the controlling shareholder or actual controller of the Company. This change in equity will not lead to a change in the Company's control, nor will it have a significant impact on the Company's governance structure and sustainable operation. As of the disclosure date of this announcement, the period for this share reduction plan has been completed. III. Documents for Inspection Letter of Notification on the Completion of Share Reduction Plan issued by Gaocun Investment. Hereby announced. Hunan Boyun New Materials Co., Ltd. Board of Directors April 23, 2026