Hangzhou Chang Chuan Technology Co.Ltd(300604) : verification report and description on the deposit and use of raised funds in 2021

catalogue

1、 Assurance report on the annual deposit and use of raised funds Page 2: deposit and use of raised funds

Verification report on annual deposit and use of raised funds

TJS [2022] No. 3900

Hangzhou Chang Chuan Technology Co.Ltd(300604) all shareholders:

We have verified the attached special report on the annual deposit and use of raised funds in 2021 prepared by the board of directors of Hangzhou Chang Chuan Technology Co.Ltd(300604) Co., Ltd. (hereinafter referred to as Hangzhou Chang Chuan Technology Co.Ltd(300604) company).

1、 Restrictions on the users and purposes of the report

This assurance report is only used for the disclosure of the annual report of Hangzhou Chang Chuan Technology Co.Ltd(300604) company and shall not be used for any other purpose. We agree to take this assurance report as a necessary document for the annual report of Hangzhou Chang Chuan Technology Co.Ltd(300604) company, submit it together with other documents and disclose it to the public.

2、 Responsibilities of the board of directors

The responsibility of Hangzhou Chang Chuan Technology Co.Ltd(300604) company’s board of directors is to provide true, legal and complete relevant materials, and prepare the special report on the annual deposit and use of raised funds in accordance with the self regulatory guidelines for listed companies on Shenzhen Stock Exchange No. 2 – standardized operation of companies listed on GEM (SZS [2022] No. 14) and relevant format guidelines, and ensure that its contents are true, accurate and complete, There are no false records, misleading statements or major omissions.

3、 Responsibilities of Certified Public Accountants

Our responsibility is to independently put forward the assurance conclusion of the above report prepared by the board of directors of Hangzhou Chang Chuan Technology Co.Ltd(300604) company on the basis of the implementation of the assurance work.

4、 Job overview

We have carried out the assurance business in accordance with the provisions of the practice standards of Chinese certified public accountants. The Chinese CPA practice standards require us to plan and implement the assurance work to obtain reasonable assurance about whether the information of the assurance object is free from material misstatement. In the assurance process, we have implemented procedures that we consider necessary, including checking accounting records. We believe that our assurance work provides a reasonable basis for expressing opinions.

5、 Assurance conclusion

We believe that the 2021 special report on the annual deposit and use of raised funds prepared by the board of directors of Hangzhou Chang Chuan Technology Co.Ltd(300604) company complies with the provisions of self regulatory guidelines for listed companies on Shenzhen Stock Exchange No. 2 – standardized operation of companies listed on GEM (SZS [2022] No. 14) and relevant format guidelines, and truthfully reflects the actual deposit and use of raised funds of Hangzhou Chang Chuan Technology Co.Ltd(300604) company in 2021. Tianjian Certified Public Accountants (special general partnership) Chinese certified public accountant:

Hangzhou, China Certified Public Accountant:

April 22, 2002

Hangzhou Chang Chuan Technology Co.Ltd(300604)

Special report on the annual storage and use of raised funds

According to the self regulatory guidelines for listed companies of Shenzhen Stock Exchange No. 2 – standardized operation of companies listed on the growth enterprise market (SZS [2022] No. 14) issued by Shenzhen Stock Exchange and relevant format guidelines, the deposit and use of the company’s raised funds in 2021 are specifically described as follows.

1、 Basic information of raised funds

(1) Actual amount of raised funds and time of fund arrival

According to the reply on Approving the registration of Hangzhou Chang Chuan Technology Co.Ltd(300604) issuing shares to specific objects (zjxk [2021] No. 516) issued by China Securities Regulatory Commission, the company issued 8126775 ordinary shares (A shares) to specific objects by the lead underwriter Huatai United Securities Co., Ltd. in the form of balance underwriting, with an issue price of 45.75 yuan per share, raising a total of 371.8 million yuan, The raised funds after deducting the underwriting and recommendation fees of 7.0939 million yuan (including tax) amounted to 364706 million yuan, which was remitted to the raised funds supervision account of the company by the lead underwriter Huatai United Securities Co., Ltd. on August 2, 2021. In addition, after deducting the legal fees, audit fees, statutory information disclosure and other issuance expenses of RMB 2.6492 million (excluding tax), the net amount of funds raised by the company this time is RMB 3624584 million. The availability of the above-mentioned raised funds has been verified by Tianjian Certified Public Accountants (special general partnership), who issued the capital verification report (Tianjian Yan [2021] No. 438).

(2) Use and balance of raised funds

Monetary unit: RMB 10000

Item No. amount

Net amount of raised funds a 3624584

Project input B1

Accumulated amount as of the beginning of the period

Net interest income B2

Project investment C11290311 current amount

Net interest income C2 133.42

Accumulated amount by the end of the period: project investment D1 = B1 + C11290311

Item No. amount

Net interest income D2 = B2 + C2 133.42

Balance of raised funds to be raised e = a-d1 + D22347615

Actual balance of raised funds f 369349

Difference [note] g = E-F 1978266

[note] the difference refers to the temporary supplementary working capital of 200 million yuan, the deductible input tax of the underwriting and recommendation fee deducted from the raised capital account, and other outstanding issuance expenses

2、 Deposit and management of raised funds

(1) Management of raised funds

In order to standardize the management and use of raised funds, improve the efficiency and efficiency of fund use, and protect the rights and interests of investors, In accordance with the company law of the people’s Republic of China, the securities law of the people’s Republic of China, the Listing Rules of GEM stocks of Shenzhen Stock Exchange (revised in December 2020) (SZS [2020] No. 1292) and the self regulatory guidelines for listed companies of Shenzhen Stock Exchange No. 2 – standardized operation of GEM listed companies (SZS [2022] No. 14) and other relevant laws, regulations and normative documents, In combination with the actual situation of the company, the measures for the management of raised funds of Hangzhou Chang Chuan Technology Co.Ltd(300604) Co., Ltd. (hereinafter referred to as the “management measures”) is formulated.

In accordance with the administrative measures, the company implements a special account for the raised funds, establishes a special account for the raised funds in the bank, and together with the sponsor Huatai United Securities Co., Ltd., signed the tripartite supervision agreement for the raised funds with Bank Of Hangzhou Co.Ltd(600926) sub branch and Huatai United Securities Co., Ltd. on August 2, 2021, clarifying the rights and obligations of all parties. There is no significant difference between the tripartite supervision agreement and the model tripartite supervision agreement of Shenzhen Stock Exchange, and the company has strictly complied with the raised funds.

(2) Storage of raised funds in special account

As of December 31, 2021, the company has a special account for raised funds, and the deposits of raised funds are as follows:

Monetary unit: RMB

Remarks on the balance of raised funds in the account number of the deposit bank

Bank Of Hangzhou Co.Ltd(600926) Co., Ltd. 3 Zhangjiagang Zhonghuan Hailu High-End Equipmentco.Ltd(301040) 1600181916203693489382 special account of science and technology sub branch of non-public Development Bank fund-raising company

Total 3693489382

3、 Actual use of raised funds this year

(1) Comparison table of use of raised funds

1. See Annex 1 of this report for the comparison table of the use of raised funds.

2. Use of over raised funds in the current period

Not applicable

(2) Description of abnormal conditions in the project invested by raised funds

Not applicable

(3) Description of the situation that the benefits of the investment projects with raised funds cannot be calculated separately

Of the raised funds, 111535 million yuan was used to supplement working capital. As of December 31, 2021, 102441 million yuan of working capital had been supplemented, and the benefits of such supplementary working capital could not be calculated separately.

4、 Change the use of funds for investment projects with raised funds

The company does not change the investment projects of raised funds

5、 Problems in the use and disclosure of raised funds

This year, there were no major problems in the use and disclosure of the raised funds of the company.

Attachment: 1 Comparison table of use of raised funds

Hangzhou Chang Chuan Technology Co.Ltd(300604) April 22, 2002 Annex 1

Comparison table of use of raised funds

Year 2021

Prepared by: Hangzhou Chang Chuan Technology Co.Ltd(300604) amount unit: RMB 10000

The total amount of raised funds is 3624584, and the total amount of raised funds invested in this year is 1290311

Total amount of raised funds with changed purposes during the reporting period

The cumulative total amount of raised funds with changed purposes has been invested in the total amount of raised funds 1290311 the proportion of the total amount of raised funds with changed purposes

Whether the raised funds have been changed. After adjustment, whether the projects at the end of the current year have reached the expected level at the end of the period. Whether the projects have reached the project feasibility commitment investment projects in the current year (including the total commitment investment of the Department, the total investment amount, the cumulative investment amount, and the investment progress (%) Benefits realized on the available status date (whether the estimated benefits have changed) (1) (2) (3) = (2) / (1) major changes

Committed investment projects

1. Whether the probe platform is developed or not 26026502602650265901265901 10.22 December 2023182.50 yes

Industrialization project

2. Supplementary working capital no 1115350102193410244101024410 100.24 not applicable not applicable not applicable no

Commitment investment

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