Netac Technology Co.Ltd(300042) : assurance report on the deposit and use of raised funds in 2021

Netac Technology Co.Ltd(300042)

Verification report on the deposit and use of raised funds

Dahuhezi [2022] No. 004605

Dahua Certified Public Accountants (special general partnership)

DaHuaCertifiedPublicAccountants(SpecialGeneralPartnership)

Netac Technology Co.Ltd(300042)

Verification report on the deposit and use of raised funds

(2021)

Table of contents page 1. Verification report on the deposit and use of raised funds 1-2 II. Special report on the deposit and use of raised funds in 3 Hubei Yihua Chemical Industry Co.Ltd(000422) 021

Dahua Certified Public Accountants (special general partnership)

12 / F, building 7, yard 16, Middle West Fourth Ring Road, Haidian District, Beijing [100039] Tel: 86 (10) 58350011 Fax: 86 (10) 58350006 www.dahua-cpa com. Verification report on the deposit and use of raised funds

Dahuhezi [2022] No. 004605 Netac Technology Co.Ltd(300042) all shareholders:

We have reviewed the attached special report on the deposit and use of raised funds in 2021 (hereinafter referred to as the “special report on raised funds”) of Netac Technology Co.Ltd(300042) (hereinafter referred to as ” Netac Technology Co.Ltd(300042) company”).

1、 Responsibilities of the board of directors

Netac Technology Co.Ltd(300042) the responsibility of the board of directors of the company is to prepare the special report on raised funds in accordance with the guidelines for the supervision of listed companies No. 2 – regulatory requirements for the management and use of raised funds of listed companies (CSRC announcement [2022] No. 15) issued by China Securities Regulatory Commission, the guidelines for the self discipline supervision of listed companies on Shenzhen Stock Exchange No. 2 – standardized operation of companies listed on GEM issued by Shenzhen Stock Exchange and relevant format guidelines, And ensure that its contents are true, accurate and complete without false records, misleading statements or major omissions.

2、 Responsibilities of Certified Public Accountants

Our responsibility is to give assurance opinions on the special report of fund raising of Netac Technology Co.Ltd(300042) company based on 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. The standard requires us to plan and implement assurance work to obtain reasonable assurance on whether there is no material misstatement in the special report of Netac Technology Co.Ltd(300042) company’s raised funds.

Dahuhezi [2022] 004605 verification report on the deposit and use of raised funds

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 on raising funds of Netac Technology Co.Ltd(300042) company is in accordance with the guidelines for the supervision of listed companies No. 2 – regulatory requirements for the management and use of raised funds of listed companies (CSRC announcement [2022] No. 15) of China Securities Regulatory Commission in all major aspects The Shenzhen Stock Exchange self regulatory guidelines for listed companies No. 2 – standardized operation of GEM listed companies and the preparation of relevant format guidelines issued by Shenzhen Stock Exchange fairly reflect the deposit and use of raised funds of Netac Technology Co.Ltd(300042) company in 2021 in all major aspects.

4、 Restrictions on the users and purposes of the report

This report is only for the purpose of disclosure of the annual report of Netac Technology Co.Ltd(300042) company and shall not be used for any other purpose. We agree to take this report as a necessary document for the annual report of Netac Technology Co.Ltd(300042) company, submit it together with other documents and disclose it to the public. Dahua Certified Public Accountants (special general partnership) Chinese certified public accountant:

Xie Jiawei, Beijing, China Certified Public Accountant:

Wang Lin April 6, 2002

Netac Technology Co.Ltd(300042)

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

1、 Basic information of raised funds

Approved by the official reply of China Securities Regulatory Commission on approving Netac Technology Co.Ltd(300042) initial public offering and listing on the gem (zjxk [2009] No. 1390), and approved by Shenzhen Stock Exchange, the company issued 16.8 million ordinary shares (A shares) to the public for the first time in December 2009, with a par value of 1 yuan per share and an issue price of 39.00 yuan per share. The net amount raised by the company is RMB 635298 million, of which the net amount raised by the company is RMB 6.352 million (excluding the total amount of funds raised by the company).

As of December 25, 2009, all the funds raised by the above issuance of the company have been in place. Shenzhen Pengcheng certified public accountants Co., Ltd. has verified the funds in place of the issuer’s initial public offering of shares on December 29, 2009, and issued the capital verification report (Shen Peng Suo Yan Zi [2009] No. 245) for confirmation.

As of December 31, 2021, the company has used 507.6 million yuan of over raised funds and idle raised funds to buy financial products with high bank security and good liquidity. The company has invested 2465191 million yuan in the projects with raised funds, and used 0 million yuan of raised funds during the reporting period; As of December 31, 2021, the company’s unused balance of over raised funds and idle raised funds (including interest and wealth management income) has accumulated 540714800 yuan (including interest and wealth management income of 17525007 million yuan), of which the balance of over raised funds is 1986032 million yuan (excluding interest and wealth management income), and the balance of idle raised funds is 1668609 million yuan (excluding interest and wealth management income). Among the above-mentioned funds, except that 507.6 million yuan of financial products have not expired and are still deposited in the financial account, other over raised funds and idle raised funds of 331148 million yuan (including interest and financial income) are deposited in the special account for raised funds with fixed demand or fixed deposit to enjoy the interest of fixed demand or fixed deposit.

2、 Management of raised funds

In order to standardize the management and use of the raised funds and protect the rights and interests of investors, the company implements special account storage for the raised funds and strict approval procedures for the use of the raised funds in accordance with the company law, the securities law, the stock listing rules of Shenzhen Stock Exchange, the guidelines for the standardized operation of companies listed on the gem of Shenzhen Stock Exchange and other laws and regulations, and in combination with the company’s business needs, To ensure that the special funds are used exclusively; The authorized recommendation representative may inquire the information of the special account for raised funds at the bank that has opened the special account for raised funds at any time, and require the recommendation representative to conduct on-site investigation on the management and use of raised funds at least once a quarter. The company has opened special accounts for the storage of raised funds in Shenzhen Nanshan sub branch of Shenzhen Development Bank (now renamed: Ping An Bank Co.Ltd(000001) Shenzhen Houhai sub branch), central city sub branch of Shenzhen Development Bank (now renamed: Ping An Bank Co.Ltd(000001) Shenzhen Hongbao sub branch), Ping An Bank Co.Ltd(000001) Shenzhen Shenda sub branch and Ping An Bank Co.Ltd(000001) business department, and signed the tripartite supervision agreement for raised funds with the above four banks and the sponsor Ping An Securities Co., Ltd. The company manages and uses the raised funds in strict accordance with the requirements of the tripartite supervision agreement on raised funds.

On December 9, 2011, the 11th meeting of the second board of directors of the company deliberated and approved the proposal on using part of the over raised funds to increase the capital of the wholly-owned subsidiary Guangxi Netac Technology Co.Ltd(300042) Investment Co., Ltd. for the construction of Langke International Storage Technology Industrial Park, and used the over raised funds of 49 million yuan to increase the capital of Guangxi Netac Technology Co.Ltd(300042) Investment Co., Ltd. (hereinafter referred to as “Guangxi Langke”), It is used for the construction of Langke Beihai International Storage Technology Industrial Park project. In order to strengthen the use and management of the raised funds, Guangxi Longke opened a special account in Bank Of China Limited(601988) Beihai branch to deposit the above-mentioned 49 million yuan of over raised funds, and signed the tripartite supervision agreement on raised funds with Bank Of China Limited(601988) Beihai branch and Ping An Securities Co., Ltd. The 15th meeting of the second board of directors held on May 10, 2012 and the first extraordinary general meeting of shareholders held on May 28, 2012 considered and approved the proposal on increasing the capital of Guangxi Netac Technology Co.Ltd(300042) Investment Co., Ltd. with the over raised capital of 152 million yuan for the construction of Langke international storage Technology Industrial Park project, and increased the capital of Guangxi Langke with the over raised capital of 152 million yuan, It is used for the construction of Langke Beihai International Storage Technology Industrial Park project. In order to strengthen the management of the use of the raised funds, Guangxi Longke, Bank Of China Limited(601988) Beihai branch and Ping An Securities Co., Ltd. signed the supplementary agreement to the tripartite supervision agreement on the raised funds on June 28, 2012 for the above-mentioned use of the over raised funds of 152 million yuan to increase the capital of Guangxi Longke for the construction of Longke International Storage Technology Industrial Park.

The 26th (Interim) meeting of the second board of directors held on December 31, 2013 and the first extraordinary general meeting of shareholders held on January 18, 2015 considered and approved the proposal on terminating the use of some over raised funds to invest in the construction of Longke International Storage Technology Industrial Park by Guangxi Netac Technology Co.Ltd(300042) Investment Co., Ltd., a wholly-owned subsidiary The proposal on transferring all the equity of the wholly-owned subsidiary Guangxi Netac Technology Co.Ltd(300042) Investment Co., Ltd. and the proposal on signing the equity transfer contract decided to transfer all the equity of Guangxi Longke, and the part of the transfer price belonging to the original over raised capital investment of 201 million yuan, the part of the transfer income and the remaining over raised capital (including interest) of the company were transferred to Bank Of China Limited(601988) Shenzhen Branch China Construction Bank Corporation(601939) Shenzhen OCT sub branch established a new special account for deposit, and signed the tripartite supervision agreement for raised funds with the above special account bank and Ping An Securities Co., Ltd. on February 25, 2015 and February 18, 2015 respectively. The raised capital account in which the remaining over raised funds were deposited shall be cancelled.

The above-mentioned tripartite supervision agreement on raised funds and its supplementary agreement clarify the rights and obligations of all parties, which is not significantly different from the model tripartite supervision agreement of Shenzhen Stock Exchange, and there is no problem in the performance of the tripartite supervision agreement.

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

Monetary unit: RMB

Bank name account number initial deposit amount deadline balance storage method

Ping An Bank Co.Ltd(000001) Shenzhen Shenzhen 03621 Hefei Meiya Optoelectronic Technology Inc(002690) 651268000 Digital China Group Co.Ltd(000034) 53796 current account

Large sub branch

Ping An Bank Co.Ltd(000001) Shenzhen hong1100847061210813518325000361635337 current

Bao sub branch

Ping An Bank Co.Ltd(000001) Shenzhen Branch Beijing Kingfore Hv & Energy Conservation Technology Co.Ltd(001210) 077367115000000000

Bank business department

Ping An Bank Co.Ltd(000001) Shenzhen 1100847061211020000000000

Haihai sub branch

Bank name account number initial deposit amount deadline balance storage method

China Construction Bank Corporation(601939) Shenzhen Hua 442015183 Nanjing Red Sun Co.Ltd(000525) 26442 — 357374474 current and fixed

Qiaocheng sub branch

Bank Of China Limited(601988) Shenzhen 773162278524 — 4309149 current account

Branch Sales Department

Bank Of China Limited(601988) Shenzhen

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