Revenues for July 2007 Period 2007 2006 Y/Y Change Y/Y(%) M/M (%) July 10,052,824 9,202,214 +850,610 +9.24% +14.95% Jan.-July 58,174,789 59,337,180 -1,162,391 -1.96% N/A (*) All figures in thousands of New Taiwan Dollars (NT$), except for percentages. Additional information about UMC is available on the web athttp://www.umc.com . Contacts: Bowen Huang / Dylan Lee UMC, Investor Relations Tel: +886-2-2700-6999 ext. 6957 Email: Email Contact Email Contact
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