Wuxi Dk Electronic Materials Co.Ltd(300842) : verification report on the use of funds raised in the previous time (as of December 31, 2021)

Zhongtianyun Certified Public Accountants (special general partnership) jonten CPAs

Wuxi Dk Electronic Materials Co.Ltd(300842) the verification report on the use of the previously raised funds is as of December 31, 2021

ZTY [2022] He Zi No. 90059

Zhongtianyun certified public accountants LLP (special general partnership)

Beijing Institute of Certified Public Accountants

Business report unified coding reporting system

Unified code for business reporting: 110 Huafu Fashion Co.Ltd(002042) 0224001771

Wuxi Dk Electronic Materials Co.Ltd(300842) previous offering report name:

Verification report on fund use

Report No.: ZTY [2022] He Zi No. 90059

Name of audited (inspected) unit: Wuxi Dk Electronic Materials Co.Ltd(300842)

Name of accounting firm: zhongtianyun accounting firm (special general partnership)

Business type: other assurance business

Report date: April 6, 2022

Filing date: April 2, 2022

Chen Xiaolong (32 Shenzhen Ecobeauty Co.Ltd(000010) 0060),

Signed by:

Zhao Mengling (110 Nanjing Port Co.Ltd(002040) 283)

(information can be queried by scanning QR code or logging into the official website of Beijing injection Association)

Note: this filing information only proves that the report has been filed with the Beijing Institute of certified public accountants, and does not mean that the Beijing Institute of Certified Public Accountants makes any form of guarantee for the content of the report in any sense.

Zhongtianyun Certified Public Accountants (special general partnership) jonten CPAs

catalogue

1. Verification report on the use of the previously raised funds 12. Special report on the use of previously raised funds 33. Copy of business license of the firm 134. Copy of practice certificate of the firm 145. Copy of certified public accountant’s qualification certificate signed 15 zhongtianyun Certified Public Accountants (special general partnership) jonten CPAs

Wuxi Dk Electronic Materials Co.Ltd(300842)

Previous verification report on the use of raised funds

ZTY [2022] Hz No. 90059 Wuxi Dk Electronic Materials Co.Ltd(300842) all shareholders:

We have accepted the entrustment to carry out the verification of the attached special report on the use of the previously raised funds (hereinafter referred to as the “special report”) of Wuxi Dk Electronic Materials Co.Ltd(300842) (hereinafter referred to as “your company”) as of December 31, 2021. 1、 Responsibilities of the board of directors

Prepare a special report in accordance with the provisions of the China Securities Regulatory Commission on the report on the use of the previously raised funds (Zheng Jian FA FA Zi [2007] No. 500), ensure that its contents are true, accurate and complete, and there are no false records, misleading statements or major omissions, and provide true, legal and complete physical evidence, original written materials, duplicate materials, oral testimony and other evidence we deem necessary, It is the responsibility of the board of directors of your company.

2、 Responsibilities of Certified Public Accountants

Our responsibility is to express opinions on the special report on the basis of the implementation of assurance work. We have carried out the assurance business in accordance with the provisions of other assurance business standards for Chinese certified public accountants No. 3101 – assurance business other than audit or review of historical financial information, which requires us to plan and carry out the assurance work to obtain reasonable assurance about whether there is no material misstatement in the special report.

In the assurance process, we have implemented procedures including understanding, inquiry, inspection, recalculation and other procedures that we deem necessary. We believe that our assurance work provides a reasonable basis for expressing opinions.

3、 Assurance conclusion

We believe that the special report of your company is prepared in accordance with the provisions on the report on the use of the previously raised funds (Zheng Jian FA FA Zi [2007] No. 500) of the China Securities Regulatory Commission in all major aspects, and fairly reflects the use of the previously raised funds of your company as of December 31, 2021.

4、 Restrictions on the users and purposes of the report

This assurance report is only for the purpose of your company’s application for major asset restructuring, and shall not be used for any other purpose. The consequences caused by improper use have nothing to do with the certified public accountants and accounting firms performing the assurance business.

Zhongtianyun Certified Public Accountants (special general partnership) jonten CPAs (there is no text on this page, which is the signature page of the verification report on the use of Wuxi Dk Electronic Materials Co.Ltd(300842) previously raised funds (zhongtianyun [2022] He Zi No. 90059))

Zhongtianyun Certified Public Accountants (special general partnership) Chinese certified public accountant:

Chinese certified public accountant:

Beijing, China, April 6, 2002

Wuxi Dk Electronic Materials Co.Ltd(300842)

Special report on the use of previously raised funds

According to the provisions on the report on the use of the previously raised funds (zjfz [2007] No. 500) issued by the China Securities Regulatory Commission, Wuxi Dk Electronic Materials Co.Ltd(300842) (hereinafter referred to as “the company” or “the company”) has prepared a special report on the use of the previously raised funds as of December 31, 2021.

1、 Basic information of previously raised funds

(I) the amount of funds raised last time and the time of receipt of funds

1. Initial public offering in June 2020 to raise funds

With the approval of the reply on approving Wuxi Dk Electronic Materials Co.Ltd(300842) initial public offering of shares (zjxk [2020] No. 830) issued by China Securities Regulatory Commission, Wuxi Dk Electronic Materials Co.Ltd(300842) issued 25 million ordinary shares (A shares) to the public, with a par value of 1.00 yuan per share, an issue price of 15.96 yuan per share and a total raised capital of 399 million yuan, After deducting the total amount of underwriting fees and other issuance expenses (excluding the deductible VAT input tax of the issuance expenses of this public offering of shares), the net amount of funds actually raised by the company is RMB 35056260000.

On June 15, 2020, Everbright Securities Company Limited(601788) will remit the balance of 37060269246 yuan after deducting the unpaid underwriting recommendation fee (excluding tax of 2839730754 yuan) to the company’s account in Bank Of Jiangsu Co.Ltd(600919) Wuxi science and technology sub branch (Account No.: 219101880000188129) 21 Taiyuan Heavy Industry Co.Ltd(600169) 246 yuan, China Merchants Bank Co.Ltd(600036) Yixing branch account (Account No.: 610902269810708) 5000000000 yuan, Bank Of Ningbo Co.Ltd(002142) Yixing sub branch account (Account No.: 78050122 Risesun Real Estate Development Co.Ltd(002146) 2) 54 Tangshan Port Group Co.Ltd(601000) 00 yuan The account of Yixing Dongshan sub branch of Bank of Communications (Account No.: 39400069601 Haimo Technologies Group Corp(300084) 783) is 5000000000 yuan. The above paid in raised funds have been verified by zhongtianyun Certified Public Accountants (special general partnership) zhongtianyun [2020] Yan Zi No. 90029 report.

The company has adopted the special account storage management for the raised funds, and signed the tripartite supervision agreement on the special account storage of raised funds with Bank Of Jiangsu Co.Ltd(600919) Wuxi Branch, China Merchants Bank Co.Ltd(600036) Yixing sub branch, Bank Of Ningbo Co.Ltd(002142) Yixing sub branch, Bank Of Communications Co.Ltd(601328) Wuxi Branch and the sponsor Everbright Securities Company Limited(601788) Wuxi Branch.

(II) deposit of the previously raised funds in the special account

As of December 31, 2021, the storage of funds raised by the company’s initial public offering is as follows:

Company name raised funds storage bank name bank account number type initial deposit amount closing balance remarks

Wuxi dike electronic material Bank Of Jiangsu Co.Ltd(600919)

21910188000188129 general account 21 Taiyuan Heavy Industry Co.Ltd(600169) 2461022361074 current materials Co., Ltd. Wuxi science and technology sub branch Wuxi dike electronic materials China Merchants Bank Co.Ltd(600036)

610902269810708 general account 5000000000 – closed account material Co., Ltd. Yixing sub branch Wuxi dike electronic material Bank Of Ningbo Co.Ltd(002142)

780501220 Risesun Real Estate Development Co.Ltd(002146) 2 general account 54601 China Vanke Co.Ltd(000002) 246434858 current materials Co., Ltd. Yixing sub branch

Wuxi dike Electronic Material Co., Ltd. 3940006960130008

Bank Of Communications Co.Ltd(601328) Yixing Dongshan sub branch general account 5000000000 – closed Materials Co., Ltd. 4783

Total 370602692463268795932

Note 1: Bank Of Communications Co.Ltd(601328) Yixing Dongshan sub branch (39400069601 Haimo Technologies Group Corp(300084) 783) the use purpose of the raised funds account is supplementary flow

For the current fund project, the funds raised in this account have been used up, and the account was closed on December 17, 2020, with interest on the raised funds

273001 yuan has been transferred to the basic account of the company China Merchants Bank Co.Ltd(600036) Yixing sub branch (610902269810708) raised funds account

The purpose of the account is the construction project of the R & D center. The funds raised in the account have been used up and cancelled on November 26, 2021

The interest of 0.45 yuan on the raised funds has been transferred to the basic account of the company.

Note 2: as of December 31, 2021, the principal guaranteed RMB financial products purchased by the company with idle raised funds have not expired

The amount of is RMB 11000000000.

2、 Actual use of the previously raised funds

(I) use of raised funds

1. Initial public offering in June 2020 to raise funds

Unit: RMB

Project amount

The net amount of funds actually raised in June 2020 was 35056260000

Less: total amount of projects directly invested by raising funds in 2020: 12512748306

Less: in 2020, 2107490060 yuan was raised to replace the self raised funds of pre invested projects with raised funds

Less: interest on surplus raised funds after cancellation of raised funds account in 2020273001

Less: purchase of financial products and fixed deposits with idle raised funds in 202032000000000

Plus: Redemption of financial products and time deposits in 2020

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