Shenzhen Institute Of Building Research Co.Ltd(300675) : verification report of the special report on the deposit and actual use of raised funds in 2021

Shenzhen Institute Of Building Research Co.Ltd(300675)

Verification report of the special report on the deposit and actual use of raised funds in 2021

Yes Shenzhen Institute Of Building Research Co.Ltd(300675)

Verification report of the special report on the deposit and actual use of raised funds in 2021

KPMG Huazhen zhuanzi No. 2200318 Shenzhen Institute Of Building Research Co.Ltd(300675) board of directors:

The “special assurance report of the company” (hereinafter referred to as the “special assurance report”) is attached to the “reasonable use of the raised funds” (hereinafter referred to as the “special assurance report”), Whether the special report is in accordance with 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) (CSRC bulletin [2022] No. 15) issued by China Securities Regulatory Commission (hereinafter referred to as “CSRC”) and the regulations issued by Shenzhen Stock Exchange in all major aspects The preparation of self regulatory guidelines for listed companies of Shenzhen Stock Exchange No. 2 – standardized operation of companies listed on GEM (SZS [2022] No. 14) and relevant format guidelines, and whether it truthfully reflects the deposit and actual use of your company’s raised funds in 2021 in all major aspects.

1、 Responsibility of enterprises for special reports

In accordance with 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) (CSRC announcement [2022] No. 15) issued by the CSRC and the guidelines for the self-discipline supervision of listed companies on the Shenzhen Stock Exchange No. 2 – standardized operation of companies listed on the gem (SZS [2022] No. 14) issued by the Shenzhen Stock Exchange It is the responsibility of the board of directors of your company to prepare the special report in accordance with the requirements of relevant format guidelines. This responsibility includes designing, implementing and maintaining the internal control related to the preparation of the special report, and ensuring that the contents of the special report are true, accurate and complete without false records, misleading statements or major omissions.

Yes Shenzhen Institute Of Building Research Co.Ltd(300675)

Assurance report of the special report on the deposit and actual use of raised funds in 2021 (Continued)

KPMG Huazhen zhuanzi No. 2200318 II. Responsibilities of Certified Public Accountants

Our responsibility is to express assurance opinions on the special report based on the implementation of assurance work. We have carried out the assurance work 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 abide by the code of professional ethics for Chinese certified public accountants, plan and implement assurance work, so as to obtain reasonable assurance whether there is no material misstatement in the special report.

The assurance work involves the implementation of relevant procedures, To obtain whether the special report 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 (revised in 2022) (CSRC announcement [2022] No. 15) issued by the CSRC and the guidelines for the self discipline supervision of listed companies of Shenzhen Stock Exchange No. 2 – standardized operation of companies listed on GEM (SZS [2022] No. 14) issued by Shenzhen Stock Exchange in all major aspects And relevant format guidelines, and whether it truthfully reflects the relevant assurance evidence related to the deposit and actual use of the raised funds of your company in 2021 in all major aspects. The procedures selected depend on our judgment, including the assessment of the risk of material misstatement in special reports due to fraud or misstatement. In the process of carrying out the assurance work, we have implemented inquiry, checked the evidence supporting the amount and disclosure of the special report on the basis of random inspection, and other procedures we think necessary.

We believe that the evidence we have obtained is sufficient and appropriate, which provides a basis for issuing assurance opinions.

3、 Assurance opinion

We think, In all major aspects, the above special report of your 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 (revised in 2022) (CSRC announcement [2022] No. 15) issued by the CSRC and the guidelines for the self discipline supervision of listed companies of Shenzhen Stock Exchange No. 2 – standardized operation of companies listed on GEM (SZS [2022] No. 14) issued by the Shenzhen Stock Exchange And relevant format guidelines, and truthfully reflect the deposit and actual use of the raised funds of your company in 2021 in all major aspects.

Yes Shenzhen Institute Of Building Research Co.Ltd(300675)

Assurance report of the special report on the deposit and actual use of raised funds in 2021 (Continued)

KPMG Huazhen zhuanzi No. 2200318 IV. purpose of use

This report is only for the purpose of your company’s disclosure of the 2021 annual report, and shall not be used for any other purpose without the written consent of the exchange.

KPMG Huazhen Certified Public Accountants (special general partnership) Chinese certified public accountant

Chen Yongyi

Liu wanting, Beijing, China

March 24, 2022

Attachment: Shenzhen Institute Of Building Research Co.Ltd(300675) “special report on the deposit and actual use of raised funds in 2021”

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

In accordance with the 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 (revised in 2022), the guidelines for the standardized operation of companies listed on the gem of Shenzhen Stock Exchange and relevant format guidelines, Shenzhen Academy of Building Sciences Co., Ltd. (hereinafter referred to as the “company”) makes a special explanation on the deposit and actual use of raised funds in 2021 as follows: I Basic information of raised funds

With the approval of “zjxk [2017] No. 1028” document of China Securities Regulatory Commission, the company publicly issued 36666700 ordinary shares in RMB, with a par value of 1 yuan per share (“Yuan” refers to the monetary unit of RMB, the same below), and the issue price is 3.66 yuan / share.

As verified by the capital verification report “xksbz [2017] No. zi10642” issued by Lixin Certified Public Accountants (special general partnership), as of July 11, 2017, the company had raised a total of 13420012200 yuan of monetary funds. After deducting 2680250000 yuan of issuance related expenses, the net amount of funds actually raised was 10739762200 yuan, and there was no over raised funds.

As of December 31, 2021, the company has invested 9411577333 yuan in the raised fund projects, of which: the company invested 4819443082 yuan in the raised fund projects in advance with its own funds before the raised funds are in place. The self raised funds have been confirmed by the assurance report “Xin Kuai Shi Bao Zi [2017] No. 10675” issued by Lixin Certified Public Accountants (special general partnership).

As of December 31, 2021, the use amount and balance of raised funds are as follows:

Unit: Yuan

Project amount

Actual funds raised on July 11, 2017: 13420012200 less: issuance expenses 2680250000 net funds raised on July 11, 2017: 10739762200 less: replacement of self raised funds invested in the raised funds project in advance 4819443082 less: with 3822534832 used in the previous year plus: deposit interest income in the previous year minus 38881195 bank handling charges paid plus: interest income of cash management products in the previous year 279192606 minus: transfer out of the closing balance of the special account for raised funds 559278 raised at the beginning of the year Net fund raised: 2415298809 less: temporarily idle raised funds purchase bank cash management products 2100000000 plus: Redemption of idle raised funds bank cash management products 2100000000 less: use in 2021769599419 plus: 2021 Deposit interest income minus bank service charge 3342091 plus: interest income of cash management products in 202135023003 balance of raised funds on December 31, 20211684064484

As of August 2017, all the pre investment has been replaced.

2、 Deposit and management of raised funds (I) management of raised funds

In order to regulate the management and use of the raised funds and protect the rights and interests of investors, the company, in accordance with the company law of the people’s Republic of China, the securities law of the people’s Republic of China, the Listing Rules of Shenzhen Stock Exchange gem, the guidelines for the operation of Shenzhen Stock Exchange GEM listed companies and other laws, administrative regulations, departmental rules and regulations and the articles of association, and in combination with the actual situation of the company, The administrative measures for the use of Shenzhen Institute Of Building Research Co.Ltd(300675) raised funds (hereinafter referred to as the administrative measures for the use of raised funds) was formulated and approved by the company’s third extraordinary general meeting in 2017. For details, see the company’s website on cninfo.com on September 21, 2017( http://www.cn.info.com.cn. , the same below) disclosed in the announcement on the resolution of the third extraordinary general meeting of shareholders in 2017 (Announcement No.: 2017024).

The company, together with the sponsor Shenwan Hongyuan Group Co.Ltd(000166) securities underwriting and recommendation Co., Ltd., signed the tripartite supervision agreement on raised funds with China Merchants Bank Co.Ltd(600036) Shenzhen Meilin sub branch and Bank Of Communications Co.Ltd(601328) Shenzhen Nanshan sub branch in August 2017.

If the company withdraws more than 10 million yuan from the deposit account of raised funds at one time or within 12 months, the company and the bank shall notify the sponsor representative in writing and provide the expenditure list of the special account; At the same time, authorized by the board of directors of the company, the sponsor representative can inquire the information of the special account for raised funds at the commercial bank that has opened the special account for raised funds at any time as needed. For details, see the announcement of the company on signing the tripartite supervision agreement for raised funds (Announcement No.: 2017-0) disclosed by the company on cninfo.com on August 4, 2017

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