Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) : Tianfeng Securities Co.Ltd(601162) special verification report on the deposit and use of the company’s raised funds in 2021

Tianfeng Securities Co.Ltd(601162)

About Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390)

Special verification report on the deposit and use of raised funds in 2021

Tianfeng Securities Co.Ltd(601162) (hereinafter referred to as ” Tianfeng Securities Co.Ltd(601162) ” and “sponsor”) is a sponsor under the continuous supervision of Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) (hereinafter referred to as ” Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) ” or “company”), In accordance with the measures for the administration of securities issuance and listing recommendation business, the guidelines for the standardized operation of companies listed on the gem of Shenzhen Stock Exchange, the Listing Rules of shares on the gem of Shenzhen Stock Exchange, the guidelines for the supervision of listed companies No. 2 – regulatory requirements for the management and use of raised funds of listed companies and other relevant provisions, The deposit and use of the raised funds in Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) 2021 were carefully verified. The verification results are as follows:

1、 Basic information of raised funds

(I) actual amount of funds raised and time of funds in place

With the approval of zjxk [2021] No. 793 document of China Securities Regulatory Commission, the company publicly issued 31604500 ordinary shares (A shares) to the public on April 12, 2021, with an issue price of 24.68 yuan per share and a total amount of 780 million yuan of funds to be raised. After deducting the issuance expenses of 14.9528 million yuan according to relevant regulations, The actual amount of funds raised was 765047200 yuan. The raised funds have been received in April 2021. The receipt of the above funds has been verified by the capital verification report (Rong Cheng Yan Zi [2021] No. 230z0069) of Rongcheng certified public accountants. The company has adopted special account storage management for the raised funds.

(II) use and balance of raised funds

In 2021, the use of the company’s raised funds is as follows: (1) before the above raised funds are in place, as of April 12, 2021, the company has invested 61.9663 million yuan in the raised funds projects with self raised funds. After the raised funds are in place, the company will replace 61.9663 million yuan of self raised funds invested in the raised funds investment projects in advance with the raised funds; (2) 553.9359 million yuan was directly invested in the project of raising funds. In 2021, the company used a total of 615902200 yuan of raised funds and temporarily supplemented 130 million yuan of working capital. After deducting the accumulated amount of used raised funds and supplemented working capital, the balance of raised funds was 19.1450 million yuan, the interest income of the special account for raised funds was 6.6871 million yuan, and the balance of the special account for raised funds on December 31, 2021 was the same

2、 Deposit and management of raised funds

In accordance with the provisions of relevant laws and regulations and following the principles of standardization, safety, efficiency and transparency, the company has formulated the measures for the management of raised funds, which has made clear provisions on the storage, approval, use, management and supervision of raised funds, so as to ensure the standardized use of raised funds in terms of system.

In April 2021, the company and the sponsor Tianfeng Securities Co.Ltd(601162) signed the supervision agreement on raised funds with China Merchants Bank Co.Ltd(600036) Suzhou Industrial Park sub branch, Agricultural Bank Of China Limited(601288) Kunshan Zhengyi sub branch and Shanghai Pudong Development Bank Co.Ltd(600000) Suzhou branch business department respectively, and opened a special account for raised funds (Account No.: 512904054810102) in China Merchants Bank Co.Ltd(600036) Suzhou Industrial Park sub branch Agricultural Bank Of China Limited(601288) Kunshan Zhengyi sub branch opens a special account for raised funds (Account No.: 105303010400022213) and Shanghai Pudong Development Bank Co.Ltd(600000) Suzhou branch business department opens a special account for raised funds (Account No.: 8901007880130005666). There is no significant difference between the company’s raised funds supervision agreement and the model raised funds supervision agreement of Shenzhen Stock Exchange, and there is no problem in the performance of the raised funds supervision agreement.

In April 2021, the company, its subsidiary Yibin Tianyi lithium Technology Innovation Co., Ltd. and the sponsor Tianfeng Securities Co., Ltd. signed the supervision agreement on raised funds with China Merchants Bank Co.Ltd(600036) Suzhou Branch and opened a special account for raised funds (Account No.: 512908463410905) in Suzhou Branch of China Merchants Bank Co., Ltd. There is no significant difference between the raised funds supervision agreement and the model raised funds supervision agreement of Shenzhen Stock Exchange, and there is no problem in the performance of the raised funds supervision agreement.

As of December 31, 2021, the storage of raised funds is as follows:

Monetary unit: RMB 10000

Bank name bank account balance

China Merchants Bank Co.Ltd(600036) Suzhou Industrial Park sub branch 512904054810102 0.56

Agricultural Bank Of China Limited(601288) Kunshan Zhengyi sub branch 1053030104002213 16.07

Shanghai Pudong Development Bank Co.Ltd(600000) Suzhou Branch Business Department 8901007880130005666 0.00

China Merchants Bank Co.Ltd(600036) Suzhou Industrial Park sub branch 512908463410905 2566.58

Total 2583.21

3、 Actual use of raised funds in 2021

As of December 31, 2021, the raised funds actually invested by the company in relevant projects totaled RMB 615902200. See attached table 1 for the investment and benefits of each project.

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

As of December 31, 2021, the company has not changed the investment projects of raised funds.

5、 Special opinions

(I) opinions of the board of supervisors

After review, the board of supervisors held that the special report on the deposit and use of raised funds in Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) 2021 complies with relevant provisions such as the Listing Rules of GEM stocks of Shenzhen Stock Exchange, the guidelines for the standardized operation of GEM listed companies of Shenzhen Stock Exchange, and the guidance on the supervision of listed companies No. 2 – regulatory requirements for the management and use of raised funds of listed companies, The content is true, accurate and complete, and there are no false records, misleading statements and major omissions. It truthfully reflects the actual storage and use of the company’s raised funds in 2021, and there are no violations in the storage and use of raised funds.

(II) opinions of independent directors

After verification, the independent directors expressed their independent opinions and believed that the preparation of the special report on the storage and use of raised funds in Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) 2021 met the requirements of relevant laws and regulations and truly, accurately and completely reflected the actual storage and use of raised funds in 2021; The deposit and use of the company’s raised funds in 2021 comply with the provisions of relevant laws and regulations, and there is no illegal use of the raised funds, no change or disguised change of the investment direction of the raised funds and damage to the interests of shareholders. (III) special verification opinions of Accountants on the annual storage and use of raised funds

Rongcheng Certified Public Accountants (special general partnership) reviewed the special report on the storage and use of raised funds in Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) 2021 and issued the assurance report on the annual storage and use of raised funds (Rongcheng zhuanzi [2022] No. 215z050), In accordance with the provisions of the CSRC (2012) No. 390 special notice on the use and management of the raised funds of listed companies and the regulations of the CSRC on the use of all funds raised by the listed company (2012) No. 390), It fairly reflects the actual deposit and use of the raised funds in Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) 2021.

6、 Verification of recommendation institutions

The sponsor checked the deposit and use of Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) raised funds and the implementation of the investment projects with raised funds through reviewing relevant materials, on-site inspection and other means; The main verification contents include: consulting the bank statement of Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) special account for raised funds, the standing book of raised investment projects, the balance schedule, the original receipt of raised funds, the internal audit report of listed companies, the relevant reports of intermediaries and other materials.

7、 Verification opinions of the recommendation institution

After verification, the sponsor believes that the deposit and use of the raised funds in Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) 2021 comply with the provisions of regulations and documents such as the Listing Rules of GEM stocks of Shenzhen Stock Exchange, the guidelines for the standardized operation of GEM listed companies of Shenzhen Stock Exchange, and the regulatory guidelines for listed companies No. 2 – regulatory requirements for the management and use of raised funds of listed companies, The raised funds have been stored and used in a special account. The specific use of the raised funds is consistent with the disclosed situation. There is no disguised change in the investment direction of the raised funds and damage to the interests of shareholders, and there are no other cases of illegal use of the raised funds.

Schedule 1:

Comparison table of use of raised funds in 2021

Unit: 10000 yuan

The total amount of raised funds is 76504.72, and the total amount of raised funds invested in this year is 61590.22

The total amount of raised funds with changed purposes during the reporting period –

Accumulated total amount of raised funds with changed purposes – accumulated total amount of raised funds invested 61590.22

Proportion of total raised funds with accumulative change of purpose –

Whether the raised funds have been changed and invested in the current year after adjustment. By the end of the period, the invested projects by the end of the period have reached the expected level. Whether the project feasibility has been achieved in the current year. Whether there are committed investment projects and over raised projects (including the total amount of committed investment) (1) the cumulative investment degree of the invested amount (%) (3) = the benefit of the fixed availability status is expected to change significantly

Total amount of partial change of capital investment (2) (2) / (1) status date

Committed investment projects

Battery grade lithium hydroxide phase II no 76504.72 76504.72 61590.22 61590.22 80.51% not applicable in March 2022 not applicable no

The construction project fails to reach the planned progress or the expected

Circumstances and reasons for accrual –

(by specific project)

Major changes in project feasibility –

Description of changes

Amount and purpose of over raised funds –

And use progress

The project invested with raised funds is actually –

Change of construction site

The project invested with raised funds is actually –

Adjustment of construction method

The company first held the 12th meeting of the 5th board of directors and the 10th meeting of the 5th board of supervisors on April 20, 2021, and deliberated and adopted the “on using raised funds to replace pre invested raised funds”

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