Announcement on the Cancellation of Certain Granted but Unvested Restricted Stocks under the 2022 Restricted Stock Incentive Plan

1. The company and all members of the board guarantee that the content of this announcement is true, accurate, and complete, with no false records, misleading statements, or significant omissions.
   Securities Code: 301076
   Securities Abbreviation: Xinhan New Materials
   Announcement No.: 2026-041

Announcement on the Cancellation of Certain Granted but Unvested Restricted Stocks under the 2022 Restricted Stock Incentive Plan

Jiangsu Xinhan New Materials Co., Ltd. (hereinafter referred to as "the Company") held the 14th meeting of the 4th Board of Directors on April 29, 2026, where it reviewed and approved the proposal on the cancellation of certain granted but unvested restricted stocks under the 2022 Restricted Stock Incentive Plan. According to the provisions of the "Jiangsu Xinhan New Materials Co., Ltd. 2022 Restricted Stock Incentive Plan (Draft Revision)" (hereinafter referred to as "the Incentive Plan (Draft Revision)") and the authorization from the Company's third extraordinary general meeting of shareholders in 2022, the board agreed to cancel a total of 46,137 restricted stocks that were granted but not yet vested under this incentive plan. The relevant matters are explained as follows:

1. Relevant Approval Procedures for the Incentive Plan

1. On December 13, 2022, the Company held the 8th meeting of the 3rd Board of Directors, where it reviewed and approved the proposals regarding the "Jiangsu Xinhan New Materials Co., Ltd. 2022 Restricted Stock Incentive Plan (Draft)" and its summary, the "Implementation Assessment Management Measures for the Jiangsu Xinhan New Materials Co., Ltd. 2022 Restricted Stock Incentive Plan," and the proposal to authorize the board to handle matters related to the 2022 Restricted Stock Incentive Plan. The independent directors expressed their agreement with the incentive plan. On the same day, the Company held the 7th meeting of the 3rd Supervisory Board, which reviewed and approved the aforementioned proposals.

2. From December 15 to December 24, 2022, the Company publicly announced the names and positions of the initial grant recipients of the incentive plan internally. By the end of the announcement period, the Supervisory Board had not received any objections regarding the list of initial grant recipients. On December 26, 2022, the Company disclosed the "Supervisory Board's Verification Opinions and Announcement on the List of Initial Grant Recipients of the 2022 Restricted Stock Incentive Plan."