Si-Tech Information Technology Co.Ltd(300608) : assurance report of the special report on the deposit and use of raised funds in 2021

Si-Tech Information Technology Co.Ltd(300608) 2021 verification report of special report on deposit and use of raised funds

Si-Tech Information Technology Co.Ltd(300608)

Deposit and use of raised funds in 2021

Assurance report of special report

Table of contents page

1、 Verification report on the deposit and use of raised funds in 2021 1 1-2 II. Special report on the deposit and use of raised funds in 2021 1 1-4 III. attached tables

Attached table 1 Comparison of use of raised funds table 1-3

About Si-Tech Information Technology Co.Ltd(300608)

Deposit and use of raised funds in 2021

Assurance report of special report

Xin Hui Shi Bao Zi [2022] No. zb10307 Si-Tech Information Technology Co.Ltd(300608) all shareholders:

We are entrusted to carry out reasonable assurance on the attached special report on the deposit and use of raised funds in 2021 of Si-Tech Information Technology Co.Ltd(300608) (hereinafter referred to as “Beijing Si-Tech Information Technology Co.Ltd(300608) ) (hereinafter referred to as” special report on raised funds “). 1、 Responsibilities of the board of directors

The responsibility of the board of directors of Beijing Si-Tech Information Technology Co.Ltd(300608) is to comply with 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) (CSRC announcement [2022] No. 15) issued by China Securities Regulatory Commission Prepare a special report on raised funds in accordance with the relevant provisions of the guidelines for self-regulation and supervision of listed companies on the Shenzhen Stock Exchange No. 2 – standardized operation of companies listed on the gem and the guidelines for self-regulation and supervision of listed companies on the gem of the Shenzhen Stock Exchange No. 2 – announcement format. This responsibility includes designing, implementing and maintaining the internal control related to the preparation of the special report on raised funds to ensure that the special report on raised funds is true, accurate and complete without false records, misleading statements or major omissions.

2、 Responsibilities of Certified Public Accountants

Our responsibility is to publish the assurance conclusion of the special report on raised funds on the basis of the implementation of the assurance work.

3、 Job overview

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 standards require us to abide by the code of professional ethics, plan and implement the assurance work, so as to determine whether the special report on raised funds is in accordance with the regulatory guidelines for listed companies No. 2 – regulatory requirements for the management and use of raised funds of listed companies (revised in 2022) (CSRC announcement [2022] No. 15) of China Securities Regulatory Commission in all major aspects The relevant provisions of the self regulatory guidelines for listed companies on the Shenzhen Stock Exchange No. 2 – standardized operation of companies listed on the gem and the self regulatory guidelines for listed companies on the gem of the Shenzhen Stock Exchange No. 2 – announcement format truthfully reflect the deposit and use of raised funds in Beijing Si-Tech Information Technology Co.Ltd(300608) 2021 in all major aspects and obtain reasonable assurance. In the process of carrying out the assurance work, we have implemented the procedures we consider necessary, including inquiry, inspection of accounting records and so on. We believe that our assurance work provides a reasonable basis for issuing assurance conclusions.

4、 Assurance conclusion

We believe that the special report on the deposit and use of raised funds in Beijing Si-Tech Information Technology Co.Ltd(300608) 2021 is in accordance with the regulatory guidelines for listed companies No. 2 – regulatory requirements for the management and use of raised funds by listed companies (revised in 2022) (CSRC announcement [2022] No. 15) of China Securities Regulatory Commission in all major aspects The preparation of the relevant provisions of the self regulatory guidelines for listed companies on the Shenzhen Stock Exchange No. 2 – standardized operation of companies listed on the gem and the self regulatory guidelines for listed companies on the gem of the Shenzhen Stock Exchange No. 2 – announcement format truthfully reflects the deposit and use of raised funds in Beijing Si-Tech Information Technology Co.Ltd(300608) 2021.

5、 Report usage restrictions

This report is only used by Beijing Si-Tech Information Technology Co.Ltd(300608) for the purpose of disclosing the 2021 annual report, and shall not be used for any other purpose.

Chinese Certified Public Accountants of Lixin certified public accountants:

(special general partnership)

Chinese certified public accountant:

Shanghai, China, April 6, 2002

Si-Tech Information Technology Co.Ltd(300608)

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

In accordance with the relevant provisions of the guidelines for the supervision of listed companies No. 2 – regulatory requirements for the management and use of raised funds by listed companies (CSRC announcement [2012] No. 44), the guidelines for the standardized operation of companies listed on the gem of Shenzhen Stock Exchange (revised in 2020), and the guidelines for the business handling of companies listed on the gem No. 6 – format of information disclosure announcement (revised in 2021) of Shenzhen Stock Exchange, The board of directors of Si-Tech Information Technology Co.Ltd(300608) (hereinafter referred to as “the company” or “the company”) prepared a special report on the deposit and actual use of raised funds as of December 31, 2021. 1、 Basic information of raised funds

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

Approved by the reply on approving Si-Tech Information Technology Co.Ltd(300608) public issuance of convertible corporate bonds (zjxk [2020] No. 590) of China Securities Regulatory Commission, the company publicly issued 2.71 million convertible corporate bonds on June 10, 2020, with a face value of RMB 100 each, a period of 6 years, and the total amount of funds raised is RMB

27100000000 yuan, after deducting 917650943 yuan of underwriting recommendation fee and other issuance expenses (excluding tax), the net amount of funds actually raised is 26182349057 yuan. The above raised funds were in place on June 16, 2020 and have been verified by Lixin Certified Public Accountants (special general partnership) and issued the verification report (xksbz [2020] No. zb1147).

(II) use and balance of raised funds

As of December 31, 2021, the company has used the raised funds of RMB 1220534 million (including the early investment of RMB 290857 million in replacement of the raised funds), temporarily supplemented the working capital of RMB 110 million with the raised funds, and the balance of the special account for the raised funds is RMB 301522 million (including the net amount of interest deducting relevant handling charges of RMB 382100).

2、 Deposit and management of raised funds

(I) management of raised funds

In order to standardize the management and use of the raised funds, improve the efficiency and effect of the use of the raised funds, prevent the risks of the use of funds, ensure the safety of the use of funds and protect the interests of investors, the company has, in accordance with the company law of the people’s Republic of China, the securities law of the people’s Republic of China and the Listing Rules of Shenzhen Stock Exchange on the gem In accordance with the requirements of relevant laws and regulations such as the guidelines for self discipline supervision of listed companies of Shenzhen Stock Exchange No. 2 – standardized operation of companies listed on GEM, and in combination with the actual situation of the company, the measures for the administration of the use of Si-Tech Information Technology Co.Ltd(300608) raised funds are formulated, which implements a special account storage system for the raised funds, and stipulates the storage, use, project implementation management, change of investment projects and supervision of use.

(II) supervision of raised funds

Securities and Bank Of Beijing Co.Ltd(601169) Beijing Centergate Technologies (Holding) Co.Ltd(000931) Haidianyuan sub branch, China Citic Bank Corporation Limited(601998) Beijing Branch, Bank Of Communications Co.Ltd(601328) Huilongguan sub branch of Bank Of Communications Co.Ltd(601328) Co., Ltd. signed the tripartite supervision agreement for raised funds respectively, and opened special accounts to store the raised funds respectively. The company standardizes the use of raised funds and strictly approves the use of raised funds to ensure that the special funds are used for special purposes. There is no significant difference between the relevant regulatory agreement and the model fund-raising regulatory agreement of Shenzhen Stock Exchange, and the fund-raising regulatory agreement has been effectively implemented.

In May 2021, authorized by the general meeting of shareholders of the company, the board of directors of the company hired Caixin Securities Co., Ltd. (hereinafter referred to as “Caixin securities”) as the sponsor of the company’s issuance of shares to specific objects, and signed the recommendation agreement on issuance of shares by Si-Tech Information Technology Co.Ltd(300608) and Caixin Securities Co., Ltd. to specific investors with Caixin securities on June 7, 2021, The unfinished continuous supervision work of the original sponsor Huachuang securities shall be undertaken by Caixin securities. Subsequently, the Company re signed the tripartite supervision agreement on raised funds with Caixin securities and the opening bank of the above-mentioned special account for raised funds. There is no significant difference between the relevant regulatory agreement and the model fund-raising regulatory agreement of Shenzhen Stock Exchange, and the fund-raising regulatory agreement has been effectively implemented.

(III) storage of raised funds in bank accounts

As of December 31, 2021, the deposit balance of the special account for the deposit of raised funds is as follows:

Unit: 10000 yuan

Initial deposit amount of bank account closing balance remarks Bank Of Beijing Co.Ltd(601169) Beijing Centergate Technologies (Holding) Co.Ltd(000931) Haidianyuan sub branch 200 Grandjoy Holdings Group Co.Ltd(000031) 7660003482409611000.00 24.91 current China Citic Bank Corporation Limited(601998) Beijing Zhichun Road sub branch 81107010131019248668995.00148522 current Bank Of Communications Co.Ltd(601328) Beijing Huilongguan sub branch 110061534 Changsha Tongcheng Holdings Co.Ltd(000419) 3086455.00150509 current Total 2645 Jiangsu Eastern Shenghong Co.Ltd(000301) 522

Note: the initial deposit amount includes 2.6765 million yuan of issuance expenses such as lawyer fees and audit fees, and the net raised funds after deducting the above expenses amount to 261823500 yuan.

3、 Actual use of raised funds this year

(1) Use of funds for investment projects with raised funds

For the actual use of the funds raised by the public issuance of convertible corporate bonds in 2020, see the “comparison table of the use of funds raised by the public issuance of convertible corporate bonds” (Schedule 1). 5g support and ecological operation system project, AI technology and application project

It is expected that the whole project can be completed on schedule without delay.

(2) Changes in the place and mode of implementation of the project invested with raised funds

There is no change in the place and mode of implementation of the investment project funded by the public issuance of convertible corporate bonds. (3) Advance investment and replacement of investment projects with raised funds

On August 20, 2020, the company held the 14th meeting of the third board of directors and the 12th meeting of the third board of supervisors, deliberated and adopted the proposal on replacing the early investment with the raised funds, and agreed that the company would use the raised funds to replace the self raised funds and the paid issuance expenses of the pre invested projects with the raised funds by June 30, 2020. Lixin Certified Public Accountants (special general partnership) conducted a special audit on the company’s pre invested projects with self raised funds and paid issuance expenses, and issued the assurance report on Si-Tech Information Technology Co.Ltd(300608) replacing pre invested projects with raised funds and paid issuance expenses with raised funds (xksbz [2020] No. zb11590). Independent directors and then sponsor Huachuang securities both expressed their consent.

(4) Temporary use of idle funds

On July 13, 2020, the company held the 13th meeting of the 3rd board of directors and the 11th meeting of the 3rd board of supervisors, deliberated and approved the proposal on using some idle raised funds to temporarily supplement working capital, and agreed that the company should use no more than RMB 100 million idle raised funds to temporarily supplement working capital for production and operation related to the company’s main business, The term of use shall not exceed 12 months from the date of deliberation and approval by the board of directors, and shall be returned to the special account for raised funds before the expiration date. Independent directors and then sponsor Huachuang securities both expressed their consent.

On June 1, 2021, the company held the 19th meeting of the third board of directors and the 17th meeting of the third board of supervisors, deliberated and approved the proposal on using some idle raised funds to temporarily supplement working capital, and agreed that the company plans to use no more than RMB 110 million idle raised funds to temporarily supplement working capital for production and operation related to the company’s main business, The term of use shall not exceed 12 months from the date of deliberation and approval by the board of directors, and shall be returned to the special account for raised funds before the expiration date. Independent directors and then sponsor Huachuang securities both expressed their consent.

(5) Utilization of surplus raised funds

As of December 31, 2021, the company has publicly issued convertible corporate bonds, and there is no use of the surplus funds of the raised funds investment projects for other raised funds investment projects or non raised funds investment projects.

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