AVIC Heavy Machinery Co., Ltd. Announcement on the Progress of the Share Purchase Plan by Certain Directors and Senior Management

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Stock Code: 600765 Stock Abbreviation: AVIC Heavy Machinery Announcement No.: 2026-017

AVIC Heavy Machinery Co., Ltd.

Announcement on the Progress of Share Increase Plan by Some Directors and Senior Management

The company’s board of directors and all directors guarantee that the content of this announcement is free from any false records, misleading statements, or major omissions, and bear individual and joint responsibility for its authenticity, accuracy, and completeness.

Important Highlights:

● Share Increase Plan: Some directors and senior management of the company plan to increase their holdings of the company’s A-shares (hereinafter referred to as “the company’s shares”) through centralized bidding on the Shanghai Stock Exchange system within 12 months from the disclosure date of the plan. The total amount of this increase will not be less than RMB 4.3 million and not more than RMB 8.6 million. This increase will not have a fixed price or price range; the main participants will gradually implement the plan based on fluctuations in the company’s stock price. Details are disclosed in the company’s announcement titled “AVIC Heavy Machinery About the Share Increase Plan by Some Directors and Senior Management” (Announcement No.: 2025-084), published on December 16, 2025, on the Shanghai Stock Exchange website (www.sse.com.cn).

● Implementation of the Share Increase Plan: From March 16, 2026, to March 17, 2026, Mr. Ran Xing, Chairman of the company, increased his holdings by 58,000 shares using his own funds, amounting to RMB 1,004,100, representing 0.0039% of the total share capital; Mr. Mao Yuan, Employee Director, increased by 20,000 shares with RMB 349,500, representing 0.0013%; Mr. Wang Zhihong, Vice President and Secretary of the Board, increased by 41,600 shares with RMB 729,800, representing 0.0028%; Mr. Tang Chengjiang, Vice President, increased by 9,200 shares with RMB 159,700, representing 0.0006%. The total shares increased by these personnel amount to 128,800 shares, with a total amount of RMB 2,243,100, accounting for 0.0086% of the company’s total share capital.

● As of the date of this announcement, the total increase amount by the main participants has reached 52.17% of the lower limit of the company’s directors, supervisors, and senior management’s plan, exceeding 50% of the lower limit. The plan has not yet been fully implemented; the participants will continue to increase their holdings in accordance with the plan when market conditions are favorable.

● Risk Reminder: The implementation of this share increase plan may be affected by changes in the securities market and other factors, which could prevent the plan from achieving the expected results; delays or inability to implement the plan may occur if funds are not available in time.

1. Basic Information of the Participants

The main participants in this plan are Mr. Ran Xing, Party Secretary and Chairman; Mr. Hu Linghong, Director, General Manager, and Deputy Party Secretary; Mr. Mao Yuan, Deputy Party Secretary, Employee Director, and Discipline Inspection Secretary; Mr. Shi Yongyong, Chief Accountant; Mr. Wang Zhihong, Vice President and Secretary of the Board; Mr. Tang Chengjiang, Vice President; and Mr. Song Guiqi, Chief Legal Counsel. Details are disclosed in the company’s announcement on December 16, 2025, on the Shanghai Stock Exchange website (www.sse.com.cn).

2. Main Content of the Plan

The main reason for this plan is the confidence in the company’s future development and recognition of its long-term investment value. To protect shareholders’ interests and boost investor confidence, the participants plan to increase their holdings through self-owned or self-raised funds from the secondary market. Details are disclosed in the company’s announcement on December 16, 2025, on the Shanghai Stock Exchange website (www.sse.com.cn). The participants will implement the plan gradually based on stock price fluctuations, as follows:

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3. Progress of the Plan

From March 16 to March 17, 2026, the participants increased their holdings by a total of 128,800 shares through centralized bidding on the Shanghai Stock Exchange, accounting for 0.0086% of the total share capital, with a total amount of RMB 2,243,100, exceeding 50% of the lower limit of RMB 4.3 million.

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The plan has not yet been fully implemented. Based on confidence in the company’s sustained and stable development and recognition of its long-term value, the participants will continue to increase their holdings in accordance with the plan when market conditions are suitable.

4. Risks of the Plan

The implementation of this plan may be delayed or unfulfilled due to changes in the capital market or if funds are not available in time. The company will disclose relevant information promptly if such risks materialize.

5. Other Remarks

6. The implementation of this plan will not affect the company’s shareholding structure to violate listing requirements, nor will it change the company’s actual control or impact corporate governance and ongoing operations.

7. The participants will strictly comply with relevant regulations from the China Securities Regulatory Commission and the Shanghai Stock Exchange regarding equity changes and insider trading.

8. The company will monitor the participants’ shareholding activities and fulfill disclosure obligations in accordance with relevant laws and regulations, including the “Administrative Measures for Takeovers of Listed Companies,” “Shanghai Stock Exchange Stock Listing Rules,” and “Self-Regulatory Guidelines for Listed Companies No. 8 - Shareholding Changes.”

This announcement is hereby made!

Board of Directors of AVIC Heavy Machinery Co., Ltd.

March 19, 2026