Quzhou Dongfeng New Materials Group Co., Ltd. Announcement on the Progress of Share Repurchase

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Securities code: 601515 Securities abbreviation: Quzhou Dongfeng Announcement No.: 2026-014

Quzhou Dongfeng New Materials Group Co., Ltd.

Announcement on Progress of Share Repurchases

The board of directors of the Company and all its directors hereby warrant that this announcement contains no false records, misleading statements, or material omissions, and assume legal responsibility for the truthfulness, accuracy, and completeness of the contents of this announcement.

Key information:

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I. Basic information on the share repurchase

Quzhou Dongfeng New Materials Group Co., Ltd. (hereinafter referred to as the “Company”) considered and approved, at the eleventh meeting of the Sixth Session of the Board of Directors held on February 11, 2026, the “Proposal on a Share Repurchase Plan by the Centralized Bidding Trading Method,” agreeing that the Company use its own funds to repurchase the Company’s shares by the centralized bidding trading method. The total amount of funds for this share repurchase shall be no less than RMB 50 million (inclusive) and no more than RMB 100 million (inclusive). The shares repurchased will be wholly used to implement an employee share ownership plan or equity incentives. The repurchase price for this share repurchase shall not exceed RMB 6.48 per share (inclusive); this upper limit does not exceed 150% of the Company’s average stock trading price for the 30 trading days prior to the date on which the board of directors considered and approved the share repurchase resolution. The implementation period for this share repurchase shall be no more than 12 months from the date on which the board of directors approves the repurchase plan (for details, please refer to Announcement No. 2026-008 disclosed by the Company on February 13, 2026 on the website of the Shanghai Stock Exchange www.sse.com.cn).

The “Proposal on a Share Repurchase Plan by the Centralized Bidding Trading Method” has been approved by a board meeting attended by more than two-thirds of the directors. This share repurchase plan becomes effective as of the date of the board resolution, and does not require submission to the Company’s shareholders’ meeting for approval.

II. Progress of the share repurchase

According to relevant provisions such as the “Rules for Share Repurchase of Listed Companies” and the “No. 7 Self-Regulatory Guidance for Listed Companies of the Shanghai Stock Exchange—Repurchases of Shares,” during the repurchase period, the Company shall disclose the progress of its share repurchase as of the end of the previous month within the first 3 trading days of each month. The progress of the Company’s share repurchase is hereby announced as follows:

In March 2026, the Company repurchased 2,612,700 shares through the trading system of the Shanghai Stock Exchange by the centralized bidding trading method, accounting for approximately 0.1358% of the Company’s current total share capital. The highest transaction price was RMB 3.85 per share, the lowest transaction price was RMB 3.80 per share, and the total amount paid was RMB 9,999,016.80 (excluding transaction fees).

As of March 31, 2026, the Company has cumulatively repurchased 2,612,700 shares through the trading system of the Shanghai Stock Exchange by the centralized bidding trading method, accounting for approximately 0.1358% of the Company’s current total share capital. The highest transaction price was RMB 3.85 per share, the lowest transaction price was RMB 3.80 per share, and the total amount paid was RMB 9,999,016.80 (excluding transaction fees).

This share repurchase complies with relevant laws and regulations and the requirements of the Company’s share repurchase plan.

III. Changes to or termination of the repurchase plan

Not applicable

IV. Other matters

The Company will strictly comply with relevant provisions such as the “Rules for Share Repurchase of Listed Companies” and the “No. 7 Self-Regulatory Guidance for Listed Companies of the Shanghai Stock Exchange—Repurchases of Shares.” During the repurchase period, based on market conditions, it will make repurchase decisions in a timely manner and implement them accordingly. At the same time, it will timely fulfill its information disclosure obligations according to the progress of the repurchase matters. All investors are kindly requested to pay attention to investment risks.

This announcement is hereby issued.

Board of Directors of Quzhou Dongfeng New Materials Group Co., Ltd.

April 2, 2026

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