Nanjing Diwei'er High-end Manufacturing Co., Ltd. Announcement on the Implementation of Share Repurchase Cancellation and Share Changes

Stock Code: 688377 Stock Abbreviation: Diweier Announcement No.: 2026-010

Nanjing Diweier Advanced Manufacturing Co., Ltd.

Announcement on the Implementation of Share Repurchase Cancellation and Changes in Share Holdings

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

Key Matters to Note:

● Nanjing Diweier Advanced Manufacturing Co., Ltd. (hereinafter referred to as the “Company”) will cancel 24,278 shares already repurchased from the dedicated securities account for share repurchase. This represents 0.0125% of the Company’s total share capital of 194,667,000 shares prior to the cancellation. After this cancellation is completed, the Company’s total share capital will be changed from 194,667,000 shares to 194,642,722 shares.

● Date of cancellation of repurchased shares: March 27, 2026.

On January 19, 2026, the Company held the 11th meeting of the sixth session of the board of directors. On February 4, 2026, the Company held the 2026 first extraordinary general meeting of shareholders, which deliberated and approved the proposal titled “On Changing the Purpose of Part of Repurchased Shares and Canceling Them, Reducing Registered Capital, Increasing the Company’s Business Scope, and Amending the〈Articles of Association of the Company〉,” agreeing to change the purpose of 24,278 repurchased shares that have been repurchased but not yet used, from “for implementing equity incentives” to “for cancellation and reducing the Company’s registered capital.” On February 5, 2026, the Company disclosed on the website of the Shanghai Stock Exchange (www.sse.com.cn) the announcement titled “Announcement on Canceling Repurchased Shares to Reduce Registered Capital and Notifying Creditors” (Announcement No.: 2026-007). Within 45 days from the date of disclosure of that announcement, the Company did not receive any notification from relevant creditors requesting the Company to repay debts in advance or to provide corresponding guarantees. The specific circumstances are hereby announced as follows:

I. Basic Information on the Repurchased Shares

On November 26, 2021, the Company held the third meeting of the fifth session of the board of directors, which deliberated and approved the proposal titled “Proposal on Repurchasing Company Shares by Means of Centralized Bidding Transactions,” agreeing that the Company would use its own funds to repurchase its shares through the stock trading system of the Shanghai Stock Exchange by means of centralized bidding transactions. The repurchased shares are intended for implementing equity incentives. The total repurchase funds shall not be less than RMB 30 million (inclusive) and shall not exceed RMB 60 million (inclusive). The repurchase price shall not exceed RMB 22 per share (inclusive). The repurchase period shall be within 12 months from the date on which the board of directors deliberates and approves the share repurchase plan. For details, please refer to the Company’s announcements disclosed on November 29, 2021 and December 7, 2021: “Announcement on the Share Repurchase Plan by Means of Centralized Bidding Transactions” (Announcement No.: 2021-033) and “Repurchase Report on the Company’s Share Repurchase by Means of Centralized Bidding Transactions” (Announcement No.: 2021-039).

On December 6, 2021, the Company implemented the repurchase for the first time, and on December 7, 2021 it disclosed the first repurchase of shares. For details, please refer to the Company’s announcement disclosed on December 7, 2021 titled “Announcement on the First Repurchase of Shares by Means of Centralized Bidding Transactions” (Announcement No.: 2021-040).

On November 16, 2022, the Company completed the repurchase. The Company actually repurchased 1,744,278 shares, accounting for 0.90% of the Company’s total share capital at that time. The highest repurchase price was RMB 21.52 per share, the lowest repurchase price was RMB 15.48 per share, and the average repurchase price was RMB 17.20 per share. The total amount of funds used for the repurchase was RMB 30.01 million (inclusive of stamp duty, trading commissions, and other transaction expenses). For details, please refer to the announcement disclosed by the Company on November 17, 2022 titled “Announcement on the Implementation Results of the Share Repurchase” (Announcement No.: 2022-059).

II. Approval Procedures Fulfilled for the Cancellation of Repurchased Shares

On January 19, 2026, the Company held the 11th meeting of the sixth session of the board of directors. On February 4, 2026, the Company held the 2026 first extraordinary general meeting of shareholders, which deliberated and approved the proposal titled “On Changing the Purpose of Part of Repurchased Shares and Canceling Them, Reducing Registered Capital, Increasing the Company’s Business Scope, and Amending the〈Articles of Association of the Company〉,” agreeing to change the purpose of 24,278 repurchased shares that have been repurchased but not yet used, from “for implementing equity incentives” to “for cancellation and reducing the Company’s registered capital.”

After this cancellation is completed, the Company’s total share capital will be changed from 194,667,000 shares to 194,642,722 shares, and the registered capital is expected to be changed from RMB 194,667,000 to RMB 194,642,722. For details, please refer to the Company’s announcements respectively disclosed on January 20, 2026 and February 5, 2026 on the Shanghai Stock Exchange website (www.sse.com.cn): “Announcement on Changing the Purpose of Part of Repurchased Shares and Canceling Them, Reducing Registered Capital, Increasing the Company’s Business Scope, and Amending the〈Articles of Association of the Company〉” (Announcement No.: 2026-002) and “Announcement of Resolutions of the 2026 First Extraordinary General Meeting of Shareholders” (Announcement No.: 2026-006).

III. Processing Status of the Cancellation of Repurchased Shares

The cancellation of repurchased shares by the Company in this instance will result in a reduction of the Company’s registered capital. According to the relevant laws and regulations including the Company Law of the People’s Republic of China, the Company disclosed on the Shanghai Stock Exchange website (www.sse.com.cn) on February 5, 2026 the announcement titled “Announcement on Canceling Repurchased Shares to Reduce Registered Capital and Notifying Creditors” (Announcement No.: 2026-007). Within 45 days from the date of disclosure of that announcement, the Company did not receive any notification from any relevant creditors requesting the Company to repay debts in advance or to provide corresponding guarantees.

The Company has submitted an application to the Shanghai Stock Exchange for the cancellation of the repurchased shares. The date of cancellation of the repurchased shares is March 27, 2026. Subsequently, the Company will handle the industrial and commercial change registration procedures in accordance with law.

IV. Changes in the Company’s Share Capital Structure After This Cancellation

After the cancellation of the repurchased shares is completed, the Company’s total share capital will be changed from 194,667,000 shares to 194,642,722 shares. The specific changes in the share capital structure are as follows:

■

Note: The specific details of the above changes in share capital shall be subject to the share capital structure table issued by China Securities Depository and Clearing Co., Ltd., Shanghai Branch.

V. Impact of This Cancellation on the Company

This repurchased share cancellation matter is a decision made in accordance with relevant laws and regulations, taking into account the Company’s actual circumstances. It will not have a major impact on the Company’s financial position and operating results, nor will it have a major impact on the Company’s debt fulfillment capacity, ongoing operating capacity, or the shareholders’ rights and interests. There is no circumstance that would harm the Company and the rights and interests of all shareholders. It will not lead to any change in the Company’s controlling shareholder and actual controller. It will not result in the Company’s equity distribution failing to meet listing conditions, nor will it affect the Company’s listing status. Subsequently, the Company will handle the industrial and commercial change registration procedures in accordance with the relevant laws and regulations and the Company’s Articles of Association.

This announcement is hereby issued.

Board of Directors of Nanjing Diweier Advanced Manufacturing Co., Ltd.

March 27, 2026

Massive information, precise interpretation—only on Sina Finance APP