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This Form 6-K filing from United Microelectronics Corporation (UMC) dated 20 June 2025 is a routine submission under Rules 13a-16 and 15d-16 of the Securities Exchange Act of 1934 for foreign private issuers. The document contains only the statutory cover page, the signature of Chief Financial Officer Chitung Liu, and an exhibit index referencing Exhibit 99.1, which is identified simply as “6K on 06/20/2025.”
No consolidated financial statements, earnings data, operational updates, or material corporate actions are included. As such, the filing appears to be administrative in nature and does not disclose any new information that would materially affect the company’s financial outlook or strategic positioning.