Revenues for June 2008 Period 2008 2007 Y/Y Change Y/Y (%) M/M (%) June 8,104,590 8,745,231 -640,641 -7.33% -5.83% Jan.-June 49,235,386 48,121,964 +1,113,422 +2.31% N/A (*) All figures in thousands of New Taiwan Dollars (NT$), except for percentages. Additional information about UMC is available on the web at http://www.umc.com . Contacts: Bowen Huang / I Cheng Lu UMC, Investor Relations Tel. +886-2-2700-6999 ext. 6957 Email: bowen_huang@umc.com i_cheng_lu@umc.com
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