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falseFY0000889132American Depositary Shares, each representing one-fourth of one share of common stockKRKRInternational Financial Reporting StandardsM5Senex Holdings PTY LTD includes 21 subsidiaries including Senex Energy Limited.PT. Prime Agri Resources includes 25 subsidiaries including PT. Prime Agri Resources.Basis difference is related to the differences in recorded revenue and expenses for development and sale of certain residential real estates and other items between the report reviewed by management and the consolidated financial statements.Basis difference is related to the differences in recorded revenue and expenses for development and sale of certain residential real estates between the report reviewed by management and the consolidated financial statements.Summarized financial information of POSCO AUSTRALIA PTY LTD and Senex Holdings PTY LTD, a subsidiary of POSCO HOLDINGS INC., are based on its consolidated financial information. The financial information of the other entities is based on separate financial statements of each entity.Includes shares held by subsidiaries and others.As of December 31, 2025, the entities are classified as consolidated subsidiaries since the Company has control over the investees although the Company’s percentage of ownership is 50% or less, considering the structure of the entities’ Board of Directors and others.The sales and net income occurred after the inclusion as a subsidiary.Summarized financial information of POSCO AUSTRALIA PTY LTD, PT. KRAKATAU POSCO and Senex Holdings PTY LTD, a subsidiary of POSCO HOLDINGS INC., are based on its consolidated financial information. The financial information of the other entities is based on separate financial statements of each entity.Others for the years ended December 31, 2024 and 2025, include write-off amounting to ₩75,349 million and ₩33,648 million, respectively.The Company has determined that it has significant influence even though the Company’s percentage of ownership is less than 20% considering the composition of board of directors.During the year ended December 31, 2025, the entities were excluded from associates due to sale of interest.Other bad debt expenses are mainly related to loans and other accounts receivable.As of December 31, 2024 and 2025, the Company recognized the assumed liability amounting to ₩41,770 million and ₩43,850 million, respectively, related to unfavorable terms of a customer contract relative to market-terms upon the acquisition of Senex Energy Limited by Senex Holdings PTY LTD, a subsidiary.Refund (additional payment) of income taxes as a result of a final corporation tax return, tax audits and others credited (charged) directly to current income taxes.During the year ended December 31, 2025, the entities were included as associates.Although the Company holds a majority equity interest as of year-end, it has determined that it has significant influence considering its representation on the board of directors, and thus classified it as an investment in an associate.As segment assets and liabilities are determined based on separate financial statements, the carrying amount of assets of subsidiaries, which are in a different segment from that of their immediate parent company, in the separate financial statements the immediate parent company is eliminated upon consolidation. 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