Announcement on the Achievement of Vesting Conditions for the Third Vesting Period of 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 Number: 2026-042

Important Content Reminder:

• Number of incentive recipients meeting vesting conditions: 27
• Number of restricted shares to be vested: 823,875 shares
• Source of vested shares: Company A-shares issued to incentive recipients
• Vesting price: 5.24 yuan/share
• The company will issue a relevant announcement after the completion of related procedures and before the shares are listed for circulation; investors are advised to pay attention.

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 regarding the achievement of vesting conditions for the third vesting period of the initial grant of 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)" or "this Incentive Plan") and the authorization from the Company's third extraordinary general meeting in 2022, the board agreed to handle the vesting of 823,875 restricted shares for 27 eligible incentive recipients during the third vesting period of the initial grant as stipulated. The relevant matters are explained as follows:

I. Overview of the Implementation of the Incentive Plan

(1) Introduction to the Incentive Plan

The Company held the 8th meeting of the 3rd Board of Directors on December 13, 2022, and the third extraordinary general meeting of 2022 on December 30, 2022, where it reviewed and approved the proposal regarding the "Jiangsu Xinhan New Materials Co., Ltd. 2022 Restricted Stock Incentive Plan (Draft)" and its summary. The main contents are as follows:

1. Incentive Tool: Restricted Stock (Type II Restricted Stock).
2. Source of Target Shares: Company A-shares issued to incentive recipients.
3. Total Grant Amount (before adjustment): The total number of restricted shares granted under this incentive plan is 1.6 million shares, accounting for 1.55% of the Company's total share capital of 103.48 million shares at the time of the announcement of the draft of this incentive plan. Among them, the initial grant of restricted shares is 1.36 million shares, accounting for 1.31% of the Company's total share capital at the time of the announcement of the draft of this incentive plan, and 85% of the total restricted shares granted under this incentive plan; 240,000 shares are reserved, accounting for 0.23% of the Company's total share capital at the time of the announcement of the draft of this incentive plan, and 15% of the total restricted shares granted under this incentive plan.
4. Grant Price (before adjustment): 12.77 yuan/share.
5. Number of Incentive Recipients: A total of 28 individuals are granted restricted shares in the initial grant of this incentive plan, including directors, senior management, middle management, and core technical (business) backbones employed by the Company (including subsidiaries and holding subsidiaries) at the time of the announcement of this incentive plan (excluding independent directors, supervisors, and shareholders or actual controllers holding 5% or more of the Company's shares, as well as their spouses, parents, children, and foreign employees). The specific details are shown in the table below: