About CHALCO Company

China Aluminum Co., Ltd. (“China Aluminum”, the “Company” or the “Company”) is a limited company incorporated in the People's Republic of China (“China”); its shares are listed on the Hong Kong Stock Exchange Limited (“Hong Kong Stock Exchange”) and the Shanghai Stock Exchange (“Shanghai Stock Exchange”), respectively. The Company and its subsidiaries (“the Group”) are leading enterprises in the aluminum industry in China, and their comprehensive strength ranks among the top in the global aluminum industry. The Group has the highest production capacity of alumina, electrolytic aluminum, fine alumina, high-purity aluminum, aluminum anodes, and gallium metal in the world. It is a large-scale manufacturing and management enterprise integrating exploration and mining of resources such as bauxite and coal, production, sales, technology research and development of aluminum oxide, primary aluminum, aluminum alloy and carbon products, international trade, logistics industry, thermal power and new energy generation. The Group's core competencies are mainly reflected in: It has a clear and pragmatic development strategy, and aims to become a world-class aluminum company with global competitiveness; Have stable and reliable bauxite resources to ensure sustainable development; With a complete industrial chain, the overall competitive advantage is obvious; Have advanced management concepts to promote the achievement of the company's business goals; We have a team of experienced professional and skilled personnel to ensure the continuous improvement of the company's labor productivity; Have an excellent management team to achieve the efficient operation of the company; It has continuous scientific and technological innovation capabilities, and the transformation of scientific and technological achievements has achieved remarkable results; Party building and management are deeply integrated to lead and guarantee the high-quality development of the company. As of the end of the reporting period, the Group mainly included the following branches, subsidiaries, joint ventures and joint ventures: Main branches: Guangxi branch (mainly produces alumina products); Qinghai branch (mainly produces raw aluminum and alloy products); Guizhou branch (mainly mining bauxite and producing alloy products); Main subsidiaries: Chinalco Shanxi New Materials Co., Ltd. (“Shanxi New Materials”) (mainly engaged in bauxite mining, production and sales of alumina, raw aluminum and alloy products); Zunyi Aluminum Co., Ltd. (“Zunyi Aluminum”) (mainly engaged in the production and sale of alumina and raw aluminum products); Baotou Aluminum Co., Ltd. (“Baotou Aluminum”) (mainly engaged in the production and sale of raw aluminum, aluminum alloy, processed products, carbon products, etc.); Chinalco Mining Co., Ltd. (“Chinalco Mining”) (main bauxite mining, production and sale of alumina products); China Alcoa International Trade Co., Ltd. (“China Alcoa International Trade”) (mainly engaged in the import and export of various commodities and technologies); China Aluminum Hong Kong Limited (“Chinalco Hong Kong”) (mainly engaged in overseas bauxite mining and bauxite trade); Chinalco Zhengzhou Nonferrous Metals Research Institute Co., Ltd. (“Zhengzhou Research Institute”) (mainly engaged in R&D services); China Aluminum Energy Co., Ltd. (“China Aluminum Energy”) (mainly engaged in energy development); China Aluminum (Shanghai) Carbon Co., Ltd. (“Chinalco Shanghai Carbon”) (mainly engaged in the production and sale of graphite and carbon products); Chinalco New Materials Co., Ltd. (“Chinalco New Materials”) (mainly engaged in the production and sale of fine alumina); Chinalco Ningxia Energy Group Co., Ltd. (“Ningxia Energy”) (mainly engaged in investment, construction, operation management in power generation, machinery manufacturing, railways and related industries, investment in coal and related industries); Guizhou Huajin Aluminum Co., Ltd. (“Guizhou Huajin”) (mainly engaged in the production and sale of alumina); Chinalco Logistics Group Co., Ltd. (“Chinalco Logistics”) (mainly engaged in logistics and transportation services); China Aluminum (Shanghai) Co., Ltd. (“Chinalco Shanghai”) (mainly engaged in trade and project engineering management); Guangxi Huasheng New Materials Co., Ltd. (“Guangxi Huasheng”) (mainly engaged in the production and sale of alumina products); China Alcoa Materials Co., Ltd. (“China Alcoa Materials”) (mainly engaged in the sale and operation of non-ferrous metals, coal and other products, import and export business of goods and technology, warehousing, etc.); Shanxi Huaxing Aluminum Co., Ltd. (“Shanxi Huaxing”) (mainly engaged in the production and sale of alumina products); China Alcoa International Trade Group Co., Ltd. (“China Alcoa International Trade Group”) (mainly engaged in sales of non-ferrous metals and other products, import and export business of goods and technology, economic information consulting services, etc.); Shanxi China Alcoa China Resources Co., Ltd. (“Shanxi Zhongrun”) (production and sale of major raw aluminum products); Guizhou Huaren New Materials Co., Ltd. (“Guizhou Huaren”) (mainly engaged in the production and sale of raw aluminum products); Lanzhou Aluminum Co., Ltd. (“Lanzhou Aluminum”) (mainly engaged in the production and sale of raw aluminum products); China Alcoa Group Shanxi Jiaokou Xinghua Technology Co., Ltd. (“Xinghua Technology”) (mainly engaged in the production and sale of alumina products); Gansu Hualu Aluminum Co., Ltd. (“Gansu Hualu”) (mainly engaged in the production and sale of carbon products); Yunnan Aluminum Co., Ltd. (“Yunlu Co., Ltd.”) (mainly engaged in the production of alumina, the production, processing and sale of raw aluminum and aluminum products, and the production of carbon); Pingguo Aluminum Co., Ltd. (“Pingguo Aluminum”) (mainly engaged in land use leasing and logistics services); Major joint ventures and joint ventures: Guangxi Huayin Aluminum Co., Ltd. (“Guangxi Huayin”) (mainly engaged in the production and sale of alumina products); Guangxi Hualei New Materials Co., Ltd. (“Guangxi Hualei”) (mainly engaged in raw aluminum production, thermal power and aluminum processing, etc.); Heqing Yixin Aluminum Co., Ltd. (“Yunlu Yixin”) (mainly engaged in the production and sale of raw aluminum, aluminum alloy and processed products).