Yunnan Aluminium Co.Ltd(000807) : special description of securities investment

Yunnan Aluminium Co.Ltd(000807)

Securities code: Yunnan Aluminium Co.Ltd(000807) securities abbreviation: Yunnan Aluminium Co.Ltd(000807) Announcement No.: 2022020 Yunnan Aluminium Co.Ltd(000807) board of directors

Special note on securities investment

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete without false records, misleading statements or major omissions.

According to the requirements of Shenzhen Stock Exchange Stock Listing Rules, Shenzhen Stock Exchange self regulatory guide for listed companies of Shenzhen Stock Exchange No. 1 – business handling and other relevant regulations, Yunnan Aluminium Co.Ltd(000807) (hereinafter referred to as ” Yunnan Aluminium Co.Ltd(000807) ” or “the company”) has carefully verified the securities investment in 2021. The relevant information is described as follows: I. overview of the company’s securities investment

In July 2012, the company took Yunnan Aluminum International Co., Ltd. (hereinafter referred to as “Yunnan Aluminum international”), a wholly-owned subsidiary incorporated in Hong Kong, as the investment subject and as the cornerstone investor, and participated in the 2012 H-share issuance of China Aluminum International Engineering Corporation Limited(601068) (hereinafter referred to as ” China Aluminum International Engineering Corporation Limited(601068) “) with international engineering design, construction and general contracting capacity in the non-ferrous metal industry, 19495000 China Aluminum International Engineering Corporation Limited(601068) H shares were subscribed at the transaction price of HK $3.93 per share (excluding Commission, levy, etc.), with a total subscription price of HK $76615350 (excluding Commission, levy, etc. HK $77228273).

The matter was considered and adopted at the 15th meeting of the Fifth Board of directors held on June 19, 2012. 2、 Profit and loss of securities investment in 2021

By the end of the reporting period of 2021, Yunnan Aluminum international, a wholly-owned subsidiary of the company, holds 19495000 China Aluminum International Engineering Corporation Limited(601068) H shares. The company adopts fair value for subsequent measurement, and the gains or losses arising from changes in fair value are recognized as other comprehensive income. By the end of the reporting period in 2021, the specific details of the company’s securities investment are as follows:

Unit: RMB

The fair value of the initial investment in securities at the beginning of the accounting period is included in the equity of the current period. The book at the end of the reporting period is referred to as the cost measurement value change profit and loss. Cumulative fair value purchase and sale period loss value

Profit amount change mode

Chinalco Fair

International 6272744414 value 2264416042 0 -2526716263 0.00 0.00 0.003746028151 H shares measurement

Total 6272744414 — 2264416042 0 -2526716263 0.00 0.00 0.003746028151

National environment friendly enterprise Yunnan Aluminium Co.Ltd(000807) · China green aluminum

Yunnan Aluminium Co.Ltd(000807)

3、 Implementation of internal control system for securities investment during the reporting period

During the reporting period, the company strictly implemented the relevant securities investment regulations of China Securities Regulatory Commission and Shenzhen Stock Exchange, as well as the articles of association, Yunnan Aluminium Co.Ltd(000807) securities investment management measures and other relevant requirements.

4、 Impact of securities investment on the company

Yunnan Aluminum international, a wholly-owned subsidiary of the company, holds 19495000 China Aluminum International Engineering Corporation Limited(601068) H shares. The company adopts fair value for subsequent measurement, and the gains or losses arising from changes in fair value are recognized as other comprehensive income.

5、 Opinions of independent directors

After verification, the company’s funds for securities investment in 2012 came from the company’s own funds, which did not affect the development of the company’s main business. The company conducts securities investment in strict accordance with the requirements of relevant laws and regulations, the articles of association and Yunnan Aluminium Co.Ltd(000807) securities investment management measures and other relevant rules and regulations. The decision-making procedures are legal and compliant, the internal control system is strictly implemented, the safety of funds can be guaranteed, and there is no violation of relevant laws, regulations and rules.

It is hereby announced.

Yunnan Aluminium Co.Ltd(000807) board of directors

February 21, 2023

National environment friendly enterprise Yunnan Aluminium Co.Ltd(000807) · China green aluminum

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