Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) : appraisal report on the value of all equity assets of shareholders of Yibin Tianyi lithium industry science and Innovation Co., Ltd. involved in the proposed acquisition of equity

The assets appraisal report is prepared in accordance with China's assets appraisal standards Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) Yibin Tianyi lithium industry science and Innovation Co., Ltd. involved in the proposed acquisition of equity

Total equity value of shareholders

assets valuation statement

Zhong Shui Zhi Yuan Ping Bao Zi [2022] No. 020075

Zhongshui Zhiyuan Assets Appraisal Co., Ltd

February 7, 2002

catalogue

Declare that 1 Summary 3 text 5 I. overview of the client, the appraised entity and other users of the asset appraisal report 5 II. Evaluation purpose 8 III. appraisal object and scope 8 IV. value type V. benchmark date of appraisal 11 VI. evaluation basis 12 VII. Evaluation method 15 VIII. Application of specific evaluation methods of income method 16 IX. application of specific evaluation methods of market method 18 X. implementation process and situation of the evaluation procedure 19 Xi. Appraisal assumptions 22 XII. Appraisal conclusion 24 XIII. Description of special matters 25 XIV. Description of restrictions on the use of asset appraisal report 29 XV. Date of assets appraisal report 30. Annex to the assets appraisal report 32 Zhongshui Zhiyuan Assets Appraisal Co., Ltd

Statement

1、 The assets appraisal report is prepared in accordance with the basic standards for assets appraisal issued by the Ministry of Finance and the asset appraisal practice standards and professional ethics standards issued by China Assets Appraisal Association.

2、 The client or other users of the asset appraisal report shall use the asset appraisal report in accordance with the provisions of laws, administrative regulations and the scope of use specified in the asset appraisal report; If the client or other users of the asset appraisal report use the asset appraisal report in violation of the above provisions, the asset appraisal institution and its asset appraisal professionals shall not be liable.

3、 The asset appraisal report can only be used by the client, other users of the asset appraisal report agreed in the asset appraisal entrustment contract and users of the asset appraisal report stipulated by laws and administrative regulations; In addition, no other institution or individual can become the user of the asset appraisal report.

4、 The user of the asset appraisal report shall correctly understand and use the appraisal conclusion. The appraisal conclusion is not equal to the realizable price of the appraisal object, and the appraisal conclusion shall not be regarded as a guarantee for the realizable price of the appraisal object.

5、 The asset appraisal institution and its asset appraisal professionals shall abide by laws, administrative regulations and asset appraisal standards, adhere to the principles of independence, objectivity and impartiality, and be responsible for the asset appraisal report issued according to law.

6、 The list of assets and liabilities involved in the appraisal object shall be declared by the client and the appraised unit and confirmed by signature, seal or other methods permitted by law; The client and other relevant parties shall be responsible for the authenticity, integrity and legitimacy of the materials provided by them according to law.

7、 There is no existing or expected interest relationship between the asset appraisal institution and its professionals and the appraisal object in the asset appraisal report; There is no existing or expected interest relationship with the relevant parties, and there is no prejudice against the relevant parties.

8、 We have conducted on-site investigation on the appraisal object and the assets involved in the asset appraisal report; Necessary attention has been paid to the legal ownership of the appraisal object and the assets involved, and the legal ownership data of the appraisal object and the assets involved have been checked

Zhongshui Zhiyuan Assets Appraisal Co., Ltd. page 1

The current problems have been truthfully disclosed, and the client and other relevant parties have been requested to improve the property rights to meet the requirements of issuing the asset appraisal report.

9、 The analysis, judgment and results in the asset appraisal report issued by the asset appraisal institution are limited by the assumptions and restrictions in the asset appraisal report. The user of the asset appraisal report shall fully consider the assumptions, restrictions and special matters stated in the asset appraisal report and their impact on the appraisal conclusion.

Zhongshui Zhiyuan Assets Appraisal Co., Ltd. page 2

Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) Yibin Tianyi lithium industry science and Innovation Co., Ltd. involved in the proposed acquisition of equity

Total equity value of shareholders

assets valuation statement

Zhong Shui Zhi Yuan Ping Bao Zi [2022] No. 020075

Abstract

Zhongshui Zhiyuan Assets Appraisal Co., Ltd. has accepted the entrustment of Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) to appraise the market value of all shareholders' equity of Yibin Tianyi lithium industry science and Innovation Co., Ltd. involved in the equity to be acquired by Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) on the benchmark date of December 31, 2021.

The main contents of the assets appraisal report are summarized as follows:

1、 Appraisal purpose: Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) to acquire the equity, it is necessary to evaluate the market value of all the shareholders' rights and interests of Yibin Tianyi lithium industry science and Innovation Co., Ltd. on the benchmark date, so as to provide value reference for the equity acquisition.

2、 Appraisal object and scope: the appraisal object is the value of all shareholders' equity of Yibin Tianyi lithium science and Innovation Co., Ltd. and the appraisal scope is all assets and liabilities declared by Yibin Tianyi lithium science and Innovation Co., Ltd. after audit. On the benchmark date of December 31, 2021, the book value of the total assets of the enterprise is 4906272400 yuan, the book value of the total liabilities is 2431213100 yuan, and the book value of the net assets is 247559300 yuan.

3、 Value type: market value.

4、 Benchmark date: December 31, 2021.

5、 Evaluation method: two evaluation methods, income method and market method, are adopted, and the evaluation conclusion adopts the evaluation result of income method.

6、 Appraisal conclusion: according to the appraisal, on the benchmark date of December 31, 2021, Yibin

The assessed value of all shareholders' equity of Tianyi lithium industry science and Innovation Co., Ltd. is 14020 million yuan, which is 11544.9407 million yuan higher than the book net assets of 247559300 yuan, with a value-added rate of 466.45%.

7、 Validity period of appraisal conclusion: according to relevant regulations, the validity period of the appraisal conclusion in this report is one year, that is, from December 31, 2021 to December 30, 2022.

8、 Special matters affecting the evaluation conclusion:

When using the appraisal conclusion, the users of the appraisal report are reminded to pay attention to the appraisal assumptions, restrictions, special matters and their impact on the appraisal conclusion in the main body of the report, and give full consideration to it when using the report.

The above contents are extracted from the main body of the assets appraisal report. If you want to know the details of the appraisal business and correctly understand and use the appraisal conclusion, you should read the main body of the assets appraisal report.

Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) Yibin Tianyi lithium industry science and Innovation Co., Ltd. involved in the proposed acquisition of equity

Appraisal project of total equity value of shareholders

assets valuation statement

Zhong Shui Zhi Yuan Ping Bao Zi [2022] No. 020075

Text

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

Zhongshui Zhiyuan Assets Appraisal Co., Ltd. accepts your entrustment, adheres to the principles of independence, objectivity and impartiality, adopts the income method and market method, and follows the necessary appraisal procedures in accordance with the provisions of laws, administrative regulations and asset appraisal standards, The market value of all shareholders' equity of Yibin Tianyi lithium industry science and Innovation Co., Ltd. involved in the equity to be acquired by Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) on the benchmark date of December 31, 2021 was evaluated.

The asset appraisal report is as follows: I. overview of the client, the appraised unit and other users of the asset appraisal report

(I) overview of the client

Company name: Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390)

Unified social credit Code: 913200001348442685

Type: joint stock limited company (listed, natural person investment or holding)

Address: No. 99, Shuangma street, Suzhou Industrial Park

Legal representative: Pei Zhenhua

Registered capital: 582880538 yuan

Date of establishment: November 13, 1997

Business term: November 13, 1997 to no fixed term

Business scope: R & D and manufacturing of anti-static products, dust-free products, medical protective products, LCD backlight modules and components and related technical consultation; Safety protection articles and labor protection

Zhongshui Zhiyuan Assets Appraisal Co., Ltd. page 5

Sales of products, textiles, textile raw materials (excluding cocoons and cotton), LCD backlight modules and components; Self operated and acting as an agent for the import and export of various commodities and technologies (except for the commodities and technologies limited or prohibited by the state). (for projects subject to approval according to law, business activities can only be carried out after being approved by relevant departments) licensed projects: Class II medical device production (for projects subject to approval according to law, business activities can only be carried out after being approved by relevant departments, and the specific business projects shall be subject to the approval results) general projects: Class II medical device sales; Production of class I medical devices; Sales of class I medical devices; Production of labor protection articles; Daily mask (non-medical) production; Daily mask (non-medical) sales; Production of industrial textile products; Sales of industrial textile products; Fabric textile processing; Manufacturing of security equipment; Sales of security equipment (except for the items that must be approved according to law, carry out business activities independently according to law with the business license)

(II) overview of the appraised unit

1. Basic information of the company

Company name: Yibin Tianyi lithium industry science and Innovation Co., Ltd. (hereinafter referred to as "Tianyi lithium industry") unified social credit Code: 91511523ma64ckaa7b

Address: No. 99, Changxing Road, Jiang'an County, Yibin City, Sichuan Province

Legal representative: Pei Zhenhua

Registered capital: 70 million yuan

Company type: other limited liability companies

Date of establishment: November 19, 2018

Business term: November 19, 2018 to November 18, 2038

Business scope: R & D, manufacturing and sales of lithium battery materials and lithium series products, new energy chemical products (excluding hazardous chemicals); Battery grade lithium hydroxide; Metal lithium (operated with valid license); Production, processing and sales of battery grade lithium carbonate, industrial grade lithium carbonate and other lithium series products and chemical products (excluding hazardous chemicals); And relevant technical research and promotion services, products, technology import and export business and consulting services. (for projects subject to approval according to law, business activities can be carried out only after approval by relevant departments).

Zhongshui Zhiyuan Assets Appraisal Co., Ltd. page 6

2. Historical evolution of the appraised unit

Tianyi lithium was established on November 19, 2018. After previous capital increases and equity transfers, the share capital as of the benchmark date was 70 million yuan. The shareholders and shareholding ratio of Tianyi lithium are as follows:

Contribution amount of the investor (10000 yuan) contribution proportion (%)

Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) 47,600.00 68.00

Contemporary Amperex Technology Co.Limited(300750) 17,500.00 25.00

Ningbo Hanyi investment partnership (limited partnership) 3150.00 4.50

Ningbo Meishan free trade port Chaoxing venture capital partnership (limited liability company)

(partner) 1750.00 2.50

Total 70000.00 100.00

3. Main business conditions of the appraised entity as of the benchmark date and recent years

(1) Overview of main business

Founded in 2018, Tianyi lithium is committed to R & D, production and sales of battery grade lithium hydroxide and other lithium battery material series products. With the vigorous development of the new energy vehicle industry, the global demand for high-quality upstream material products is growing, and the battery

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