Securities code: 688012 Securities abbreviation: China Micro Corporation Announcement No.: 2025-016

China Micro Semiconductor Equipment (Shanghai) Co., Ltd

Announcement on the use of idle raised funds for cash management

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or material omissions in the content of this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its content in accordance with the law.

AMEC Semiconductor Equipment (Shanghai) Co., Ltd. (hereinafter referred to as the "Company") in April 2025

On the 17th, the second meeting of the third board of directors and the second meeting of the third board of supervisors were held, and the "Proposal on the Use of Idle Raised Funds for Cash Management" was deliberated and approved, and it was agreed that the company should use no more than 350,000 yuan of idle raised funds for cash management, and the use period will be valid for 12 months from the date of expiration of the authorization for cash management of the previous raised funds. The maximum amount of cash management authorized by the company to temporarily idle raised funds is not the actual cash management amount. The company will strictly implement the plan for the use of raised funds, carry out cash management on the premise of ensuring that the construction plan of the raised funds investment project is not affected, and the use plan of the raised funds will not be changed, which is conducive to improving the efficiency of the use of funds and is in line with the interests of the company and all shareholders. The sponsor issued a clear verification opinion. This matter does not need to be submitted to the general meeting of shareholders for deliberation. The specific announcement is as follows:

First, the basic situation of the funds raised

1. Initial public offering of shares in 2019 to raise funds

According to the "Reply on Agreeing to the Registration of the Initial Public Offering of Shares of China Micro Semiconductor Equipment (Shanghai) Co., Ltd." (Zheng Jian Xu Xu [2019] 1168) issued by the China Securities Regulatory Commission, the company was established in 2019

In July of this year, the company issued 53,486,224 A shares at an issue price of RMB29.01 per share at an initial public offering of RMB 29.01 to raise funds

The total amount was RMB1,551,635,400, and after deducting the issuance expenses of RMB105,932,600, the actual net proceeds (hereinafter referred to as the "Net Proceeds") were RMB1,445,702,800. The above-mentioned fund-raising funds have been verified by PricewaterhouseCoopers Zhongtian Certified Public Accountants (Special General Partnership) and confirmed by the Capital Verification Report issued by PricewaterhouseCoopers Zhongtian Yanzi (2019) No. 0411.

2. In 2020, the company will issue A-shares to specific targets to raise funds

On 3 March 2021, the China Securities Regulatory Commission (CSRC) issued Zheng Jian Xu Xu [2021] No. 645

"On the approval of the registration of the issuance of shares by China Micro Semiconductor Equipment (Shanghai) Co., Ltd. to specific targets

Fu approved the issuance of 80,229,335 RMB ordinary A shares by the Company to specific targets. As of 2021

As of June 22, the Company completed the issuance of 80,229,335 RMB ordinary A shares, each per share

The price was RMB102.29, and the share payment was paid up in RMB, totaling RMB820,665.87 million, after deducting the underwriting and sponsorship fees totaling RMB82,066,600 (excluding VAT), the actual amount of raised funds received was RMB8,124,592,100, and after deducting other issuance expenses totaling RMB6,429,600 (excluding VAT), the actual net amount of funds raised was RMB8,118,162,400 (hereinafter referred to as the "refinancing.").

raised funds"), the above funds were in place on June 22, 2021, and have been approved by PricewaterhouseCoopers Zhongtian Accountants

The firm (Special General Partnership) verified and issued the PwC Zhongtian Yanzi (2021) No. 0638 Capital Verification Report.

Due to the need for a certain period of construction of the raised funds to invest in the project, according to the construction progress of the raised funds investment project, the raised funds at this stage are partially idle in the short term.

Second, the basic situation of using part of the idle raised funds for cash management

(1) Purpose of cash management

In order to ensure that the construction of the raised funds project and the use of the raised funds are not affected, the company is in accordance with the "Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange" and the "Regulatory Guidelines for Listed Companies No. 2 - Raising of Listed Companies".

No. 1 - Standardized Operation", "Measures for the Management of Raised Funds of China Micro Semiconductor Equipment (Shanghai) Co., Ltd." and other relevant regulations, it is proposed to use part of the temporarily idle raised funds for cash management, which is conducive to improving the efficiency of the use of raised funds, reducing the company's financial costs and increasing the company's income.

(2) Quota and duration

The company intends to use the amount of idle raised funds of no more than 350,000 yuan for cash management, and the use period is valid for 12 months from the date of expiration of the authorization for cash management of the previous raised funds, and can be used on a rolling basis within the period of not exceeding the above amount and validity period.

(3) Cash management varieties

The company will strictly control risks in accordance with the relevant regulations on fund management, and intends to use the temporarily idle raised funds to purchase high-security and liquid principal-guaranteed products (including but not limited to agreement deposits, call deposits, structured deposits, time deposits, large-amount certificates of deposit, etc.), and the term of investment products shall not exceed 12 months.

The company will not use the idle raised funds to invest in investment products with stocks, interest rates, exchange rates and their derivatives, and unsecured bonds as the main investment targets, and investment products shall not be pledged.

(4) Validity period

The term of use is valid for 12 months from the date of expiration of the authorization for cash management of the previous raised funds.

(5) Methods of implementation

Within the scope of the investment quota authorized by the board of directors of the company, the chairman of the board of directors exercises the investment decision-making power and signs the relevant contract documents, and the finance department is responsible for organizing and implementing the specific matters.

(6) Information disclosure

The company will comply with the "Regulatory Guidelines for Listed Companies No. 2 - Regulatory Requirements for the Management and Use of Funds Raised by Listed Companies", "Self-Regulatory Guidelines for Listed Companies on the Science and Technology Innovation Board of the Shanghai Stock Exchange No. 1 - Standardized Operation" and "Measures for the Management of Funds Raised by China Micro Semiconductor Equipment (Shanghai) Co., Ltd." and other relevant laws.

(7) Distribution of cash management proceeds

The proceeds obtained by the company from the use of temporarily idle raised funds for cash management will be used to make up for the insufficient investment amount of the fund-raising project and the liquidity required for the company's daily operation, and will be managed and used in strict accordance with the requirements of the China Securities Regulatory Commission and the Shanghai Stock Exchange on the regulatory measures for raised funds.

3. Investment risks and risk control measures

(1) Investment risk

Although the company chooses low-risk investment cash management products, the financial market is greatly affected by the macroeconomy, and the company will intervene in a timely and appropriate amount according to the economic situation and changes in the financial market, but it is not excluded that the investment will be affected by market fluctuations.

(2) Risk control measures

The company's use of part of the idle raised funds for cash management is limited to the purchase of principal-protected investment products with high security and good liquidity that do not affect the company's daily business activities. In accordance with the principle of separating decision-making, execution and supervision functions, the company has established and improved the approval and execution procedures for relevant investments to ensure the effective development and standardized operation of investment matters and the safety of funds. The specific measures to be taken are as follows:

1. The company will select the appropriate cash management product types and terms according to the business arrangement and capital investment plan to ensure that the normal operation of the company's daily business activities will not be affected.

2. During the implementation period, timely analyze and follow up the investment direction and project progress of cash management varieties, and take timely measures to control investment risks once unfavorable factors are found or judged.

3. The independent directors and the board of supervisors have the right to supervise and inspect the use of funds, and may hire professional institutions to conduct audits when necessary.

4. The company must strictly follow the "Supervision Guidelines for Listed Companies No. 2 - Regulatory Requirements for the Management and Use of Funds Raised by Listed Companies", "Self-Regulatory Guidelines for Listed Companies on the Science and Technology Innovation Board of the Shanghai Stock Exchange No. 1 - Standardized Operation" and "Measures for the Management of Raised Funds of China Micro Semiconductor Equipment (Shanghai) Co., Ltd."

and other relevant provisions to handle the relevant cash management business.

Fourth, the impact on the company's operation

1. The company's use of part of the idle raised funds for cash management is carried out on the premise of ensuring the progress of the company's raised funds investment projects and ensuring the safety of funds, and does not affect the development of the company's raised funds investment projects.

2. The company can improve the efficiency of capital use and increase the company's income through cash management of temporarily idle raised funds.

5. Opinions of the sponsor institution and the board of supervisors

(1) Opinions of the sponsor institution

After verification, the sponsor believes that the company's use of part of the idle raised funds for cash management has been deliberated and approved by the company's board of directors and board of supervisors, and the necessary approval procedures have been fulfilled; By investing in principal-guaranteed products with high security and good liquidity, the company can improve the efficiency of capital use, do not involve a disguised change in the use of raised funds, and do not affect the normal progress of the investment plan of raised funds, and comply with the "Regulatory Guidelines for Listed Companies No. 2 - Regulatory Requirements for the Management and Use of Raised Funds by Listed Companies", "Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange", and "Guidelines for the Application of Self-Regulatory Rules for Listed Companies on the Science and Technology Innovation Board of the Shanghai Stock Exchange No. 1 - Standardized Operation" and other relevant regulations and the company's fund-raising management system. The sponsor has no objection to the company's use of part of the idle raised funds for cash management.

(2) Opinions of the Board of Supervisors

The Board of Supervisors believes that the company does not affect the normal progress of the raised funds investment projects on the premise of cash management, which is conducive to improving the efficiency of the use of raised funds, increasing capital returns, maximizing the interests of the company and shareholders, and there is no disguised change in the use of raised funds, in line with the provisions of relevant laws and regulations. Agreed that the company would use the idle raised funds of no more than 350,000 yuan for cash management.

The announcement is hereby made.

Board of Directors of AMEC Semiconductor Equipment (Shanghai) Co., Ltd

April 18, 2025