Sunresin New Materials Co.Ltd Xi’An(300487) : assurance report on the deposit and use of raised funds in 2021

Assurance report on the deposit and use of raised funds in Sunresin New Materials Co.Ltd Xi’An(300487) 2021

Zhitong Certified Public Accountants (special general partnership)

catalogue

About Sunresin New Materials Co.Ltd Xi’An(300487) 2021 raised funds 1-2

Storage and use assurance report

Sunresin New Materials Co.Ltd Xi’An(300487) 2021 raised funds 3-7

Special report on storage and actual use

Zhitong Certified Public Accountants (special general partnership), 5th floor, set square, No. 22, Jianguomenwai street, Chaoyang District, Beijing, China, 100004

Tel. + 86 1085665588

Fax + 86 1085665120

www.grantthornton. cn.

About Sunresin New Materials Co.Ltd Xi’An(300487)

Deposit and actual use of raised funds in 2021

Assurance Report

Zhi Tong Zhi Zi (2022) No. 110a008091 Sunresin New Materials Co.Ltd Xi’An(300487) all shareholders:

We are entrusted to carry out reasonable assurance on the attached Sunresin New Materials Co.Ltd Xi’An(300487) (hereinafter referred to as Sunresin New Materials Co.Ltd Xi’An(300487) company) special report on the deposit and actual use of raised funds in 2021 (hereinafter referred to as “special report”).

The 2021 special report shall be prepared in accordance with the requirements 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) and the guidelines for the self discipline supervision of listed companies of Shenzhen Stock Exchange No. 2 – standardized operation of gem listed companies (2022), so as to ensure that its contents are true, accurate and complete without false records Misleading statements or major omissions are the responsibility of the board of directors of Sunresin New Materials Co.Ltd Xi’An(300487) company. Our responsibility is to express assurance opinions on the 2021 special report prepared by the board of directors of Sunresin New Materials Co.Ltd Xi’An(300487) company on the basis of implementation of assurance work.

We plan and implement 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, so as to obtain reasonable assurance about whether there is no material misstatement in the 2021 special report. In the assurance work, we implemented the necessary procedures including understanding, inquiry, spot check, check and so on in combination with the actual situation of Sunresin New Materials Co.Ltd Xi’An(300487) company. We believe that our work provides a reasonable basis for our assurance.

After review, we believe that the 2021 special report prepared by the board of directors of Sunresin New Materials Co.Ltd Xi’An(300487) company complies with the relevant provisions and relevant format guidelines of the regulatory guidelines for listed companies No. 2 – regulatory requirements for the management and use of raised funds of listed companies (revised in 2022) and the self regulatory guidelines for listed companies of Shenzhen Stock Exchange No. 2 – standardized operation of companies listed on GEM (2022), And truthfully reflected the deposit and actual use of the raised funds of Sunresin New Materials Co.Ltd Xi’An(300487) company in 2021 in all major aspects.

This assurance report is only used by Sunresin New Materials Co.Ltd Xi’An(300487) company when disclosing the annual report, and shall not be used for any other purpose. Grant Thornton certified public accountants China Certified Public Accountant

(special general partnership)

Chinese certified public accountant

Beijing, China April 21, 2002

Schedule 1:

Comparison table of use of raised funds in 2021

Amount: 10000 yuan

The total amount of raised funds is 4588410, and the total amount of raised funds invested in this year is 1281247

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

The total amount of raised funds for accumulative change of purpose has no total amount of raised funds invested 4377700, and the proportion of the total amount of raised funds for accumulative change of purpose has no

Whether the project has been changed, the total investment of the current year after the adjustment of the investment commitment of the raised funds of the project has reached the end of the period, and the cumulative investment progress as of the end of the period (%). Whether the project has reached the expected project in the current year is the total amount of investment of the promised investment project (including some changes) (2) (3) = (2) / (1) Determine whether there is a significant change in the benefits of the available status (1) date of status

Committed investment projects

1. Gaoling Lanxiao new material industrial park project no 334048733404872451773341630 100.03% June 2022 – not applicable

2. Supplementary working capital no 1247923124792310360701036070 83.02% – not applicable

Subtotal of committed investment projects 4588410458841012812474377700

Total – 4588410458841012812474377700————

The circumstances and reasons for not reaching the planned progress or expected benefits are not applicable

Description of major changes in project feasibility none

The amount, purpose and progress of over raised funds are not applicable

There is no change in the implementation location of the project invested by raised funds

No adjustment of the implementation mode of the project invested by raised funds

Before the funds raised from the public issuance of convertible corporate bonds are in place, in order not to affect the construction progress of the project, Gaoling Lanxiao, a wholly-owned subsidiary of the company, has made early investment in the investment projects with raised funds with self raised funds according to the actual early investment and replacement of the investment projects with raised funds.

From the date when the plan for public issuance of convertible bonds was reviewed by the board of directors of the company to June 19, 2019, the actual investment amount of the company and Gaoling Lanxiao invested in the investment project with raised funds in advance with self raised funds was 123952 million yuan. The above matters have been deliberated and adopted at the 20th meeting of the third board of directors and the 14th meeting of the third board of supervisors.

Upon deliberation and approval at the 27th meeting of the third board of directors held on July 6, 2020, the company temporarily replenishes working capital with idle raised capital of no more than 60 million yuan on the premise of ensuring that the construction of raised capital projects and the normal operation of temporarily replenishing working capital with idle raised capital are not affected, The service life shall be no more than 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 of the company upon expiration. As of December 31, 2021, the company used idle raised funds to temporarily supplement the working capital balance of RMB 10000.

Cash management with idle raised funds

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