Suzhou Nanomicro Technology Co.Ltd(688690) : Citic Securities Company Limited(600030) verification opinions on the deposit and use of raised funds in Suzhou Nanomicro Technology Co.Ltd(688690) 2021

Citic Securities Company Limited(600030)

About Suzhou Nanomicro Technology Co.Ltd(688690)

Verification opinions on the deposit and use of raised funds in 2021

Citic Securities Company Limited(600030) (hereinafter referred to as ” Citic Securities Company Limited(600030) ” or “sponsor”) is a continuous supervision sponsor for the initial public offering of Suzhou Nanomicro Technology Co.Ltd(688690) (hereinafter referred to as ” Suzhou Nanomicro Technology Co.Ltd(688690) ” or “company”) and listing on the science and innovation board, According to the measures for the administration of securities issuance and listing recommendation business, the guidelines for the supervision of listed companies No. 2 – regulatory requirements for the management and use of raised funds by listed companies (revised in 2022), the guidelines for the self-discipline supervision of listed companies on the science and Innovation Board of Shanghai Stock Exchange No. 1 – standardized operation, and the Listing Rules of shares on the science and Innovation Board of Shanghai Stock Exchange (revised in December 2020) The measures for the continuous supervision of listed companies on the science and Innovation Board (for Trial Implementation) and other relevant provisions have conducted special verification on the storage and use of the raised funds in Suzhou Nanomicro Technology Co.Ltd(688690) 2021. The verification results are as follows: I. Basic information of the raised funds (I) actual amount of the raised funds and the time when the funds are in place

Approved by the CSRC’s zjxk [2021] No. 1395 document, the company publicly issued 44 million RMB common shares (A shares) to the public in June 2021, with an issue price of 8.07 yuan per share, and the total amount of funds raised was 35.508 million yuan. According to relevant regulations, after deducting the issuance expenses of 471439 million yuan, the actual amount of funds raised was 3079361 million yuan. The raised funds have been received in June 2021. The receipt of the above funds has been verified by the capital verification report (Rongcheng Yan Zi [2021] No. 201z0031) of Rongcheng certified public accountants. The company has adopted special account storage management for the raised funds. (II) use and balance of raised funds

As of December 31, 2021, the company has accumulated 249163900 yuan of raised funds. After deducting the accumulated used raised funds, the balance of raised funds is 587722 million yuan, the net interest income of the special account for raised funds is 2.5495 million yuan, and the total balance of the special account for raised funds as of December 31, 2021 is 613217 million yuan.

The details are as follows:

Unit: 10000 yuan

Project amount

Project amount

Total raised funds 3550800

Less: payment of issuance fee 471439

Net proceeds 3079361

Less: the amount of raised funds used in raised investment projects (including the amount of replacement early investment) 891639

Including: R & D center and application technology development and construction project 153273

Overseas R & D and marketing center construction project-

Supplementary working capital 738366

Plus: accumulated interest income and investment income net of handling charges 254.95

Less: 1 Shanghai Pudong Development Bank Co.Ltd(600000) yuan for cash management with idle raised funds

Closing balance of special account for raised funds: 613217

2、 Management of raised funds (I) management system 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 interests of investors, the company, in accordance with the company law, the securities law, the guidelines for the supervision of listed companies No. 2 – regulatory requirements for the management and use of raised funds by listed companies The measures for the administration of raised funds (hereinafter referred to as the “administrative measures”) have been formulated in accordance with the provisions of relevant laws, regulations and normative documents such as the Listing Rules of Shanghai Stock Exchange on the science and Innovation Board (revised in December 2020) and the guidelines for the application of self regulatory rules of listed companies on the science and Innovation Board of Shanghai Stock Exchange No. 1 – standardized operation, and in combination with the actual situation of the company. (II) supervision agreement of raised funds

On June 15, 2021, the company signed the tripartite supervision agreement on raised funds with China Construction Bank Corporation(601939) Suzhou Industrial Park sub branch of CCB (hereinafter referred to as “Suzhou Industrial Park sub branch of CCB”) and Citic Securities Company Limited(600030) and opened a special account for raised funds in Suzhou Industrial Park sub branch of CCB (Account No.: 322501988836 Shenzhen Wongtee International Enterprise Co.Ltd(000056) 27); On June 15, 2021, the company signed the tripartite supervision agreement on raised funds with Shanghai Pudong Development Bank Co.Ltd(600000) Suzhou Branch (hereinafter referred to as “SPD Suzhou Branch”) and Citic Securities Company Limited(600030) and opened a special account for raised funds in SPD Suzhou Branch (Account No.: 89010078 80130000 5916); On June 15, 2021, the company signed the tripartite supervision agreement on raised funds with China Merchants Bank Co.Ltd(600036) Suzhou Branch (hereinafter referred to as “China Merchants Suzhou Branch”) and Citic Securities Company Limited(600030) and opened a special account for raised funds (Account No.: 51290468 2110908) in China Merchants Suzhou Branch; On June 15, 2021, the company signed 81120010 13 Dongguan Golden Sun Abrasives Co.Ltd(300606) 122) with China Citic Bank Corporation Limited(601998) Suzhou Branch (hereinafter referred to as “CITIC Suzhou Branch”) and Citic Securities Company Limited(600030) Suzhou Branch. There is no significant difference between the tripartite supervision agreement and the model tripartite supervision agreement of the stock exchange, and there is no problem in the performance of the tripartite supervision agreement.

(III) storage of raised funds in special account

As of December 31, 2021, the opening and storage of the company’s special account for raised funds are as follows:

Unit: 10000 yuan

Bank name account closing balance

Shanghai Pudong Development Bank Co.Ltd(600000) Suzhou Branch 89010078 80130000 59163872.12

China Construction Bank Corporation(601939) Suzhou Industrial Park sub branch 32250198 8836 Shenzhen Wongtee International Enterprise Co.Ltd(000056) 27219.29

China Merchants Bank Co.Ltd(600036) Suzhou Dushuhu sub branch 51290468 2110908204076

China Citic Bank Corporation Limited(601998) Suzhou Jinjihu sub branch 81120010 13 Dongguan Golden Sun Abrasives Co.Ltd(300606) 122-

Total 613217

3、 Actual use of raised funds in this year (I) use of funds for investment projects with raised funds (hereinafter referred to as “raised investment projects”)

As of December 31, 2021, the raised funds actually invested by the company in relevant projects amounted to RMB 891639 million. See Annex 1: comparison table of the use of raised funds in 2021 for the specific use. (II) early investment and replacement of raised investment projects

The company held the third meeting of the second board of directors and the third meeting of the second board of supervisors on August 20, 2021, and deliberated and adopted the proposal on using raised funds to replace self raised funds invested in raised investment projects in advance and paid issuance expenses, It is agreed that the company will use the raised funds to replace the self raised funds invested in the investment projects with raised funds in advance (hereinafter referred to as “raised investment projects”) and the paid issuance expenses, with a total amount of 1299658371 yuan. The replacement amount has been verified by Rongcheng Certified Public Accountants (special general partnership) and issued “Rongcheng zhuanzi [2021] No. 201z0171” Suzhou Nanomicro Technology Co.Ltd(688690) the verification report on pre investment of raised funds in investment projects and payment of issuance expenses with self raised funds “. The independent directors and recommendation institutions of the company have expressed clear consent. (III) temporary replenishment of working capital with idle raised funds

As of December 31, 2021, the company does not temporarily supplement working capital with idle raised funds. (IV) cash management of idle raised funds and investment in related products

The company held the second meeting of the second board of directors and the second meeting of the second board of supervisors on July 4, 2021, deliberated and adopted the proposal on cash management with temporarily idle raised funds, and agreed that the company will not affect the construction of investment projects with raised funds, and will not change the use purpose of raised funds in a disguised manner On the premise of not affecting the normal operation of the company and ensuring the safety of funds, part of the temporarily idle raised funds of no more than 200 million yuan (including this amount) shall be used for cash management, and the service life shall not exceed 12 months. Within the above limit and period, the funds can be used circularly, and part of the temporarily idle raised funds will be returned to the special account for raised funds after the cash management expires. The investment period of a single financial product shall not exceed 12 months. Within the above quota and period, the funds can be recycled and used on a rolling basis.

As of December 31, 2021, the company has used the temporarily idle raised funds to purchase 140 million yuan of bank certificates of deposit and 20 million yuan of Citic Securities Company Limited(600030) Principal Guaranteed floating income investment products, with a total amount of 160 million yuan. (V) permanent replenishment of working capital or repayment of bank loans with over raised funds

As of December 31, 2021, the company did not permanently supplement working capital or repay bank loans with over raised funds. (VI) use of over raised funds for projects under construction and new projects (including acquisition of assets, etc.)

As of December 31, 2021, the company has no over raised funds for projects under construction and new projects (including acquisition of assets, etc.). (VII) use of surplus raised funds

As of December 31, 2021, the company has not used the surplus funds of raised investment projects for other raised investment projects or non raised investment projects. (VIII) other information about the use of raised funds

As of December 31, 2021, the company has no other use of raised funds. 4、 Change the use of funds for investment projects with raised funds

As of December 31, 2021, the company has not changed the use of funds for investment projects with raised funds. 5、 Problems in the use and disclosure of raised funds

The relevant information disclosed by the company and the raised funds are not disclosed in a timely, true, accurate and complete manner; The used raised funds are invested in the promised investment projects of raised funds, and there are no major cases of illegal use of raised funds. 6、 Concluding comments on the special verification report issued by the recommendation institution on the deposit and use of the company’s annual raised funds

The sponsor believes that, The deposit and use of the company’s raised funds in 2021 comply with the measures for the administration of securities issuance and listing recommendation business, the guidelines for the supervision of listed companies No. 2 – regulatory requirements for the management and use of raised funds of listed companies (revised in 2022), and the guidelines for the self-discipline supervision of companies listed on the science and Innovation Board of Shanghai Stock Exchange No. 1 – standardized operation In accordance with the requirements of relevant laws, regulations and provisions, such as the Listing Rules of Shanghai Stock Exchange on the science and Innovation Board (revised in December 2020), the measures for the continuous supervision of listed companies on the science and Innovation Board (Trial), the raised funds have been deposited and used in a special account, and there is no situation of changing the purpose of the raised funds in a disguised manner and damaging the interests of shareholders, There is no illegal use of the raised funds.

(no text below)

Comparison table of use of raised funds in 2021

Unit: 10000 yuan

The total amount of raised funds is 3079361, and the total amount of raised funds invested in this year is 839387

Total amount of raised funds with changed purposes-

Proportion of total raised funds with changed purposes – Total raised funds invested in total 891639

Raised funds of changed items

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