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EX - 99 2 umc - ex99_6.htm EX - 99 UMC Exhibit www.umc.com Announcement on 2021/07/28 : To announce related materials on acquisition of machinery and equipment Exhibit Description 99.1 99.2 99.3 99.4 Announcement on 2021/07/28 : Announcement of board meeting approved the consolidated financial statements for the second quarter of 2021 Announcement on 2021/07/28 : The board meeting approved capital budget execution Announcement on 2021/07/28 : UMC announced its operating results for the second quarter of 2021