UMC (NYSE: UMC, TWSE: 2303) was founded in 1980 as Taiwan's first semiconductor company. It later became the first IC company to list on the Taiwan stock exchange. In 1995, UMC transformed its business strategy to a pure-play foundry model, and has since grown to become a global leader in semiconductor process technology and manufacturing. UMC's customer-driven foundry solutions allow chip designers to leverage the strength of the company's leading-edge processes, which include production proven 65nm, 45/40nm, mixed signal/RFCMOS, and a wide range of specialty technologies. Production is supported through 10 wafer manufacturing facilities that include two advanced 300mm fabs in Taiwan and Singapore. UMC employs approximately 12,000 people worldwide and has offices in the United States, Europe, Japan, Taiwan, and Singapore.

NOTE CONCERNING FORWARD-LOOKING STATEMENTS

Some statements in this release are "forward-looking statements" within the meaning of Section 27A of the U.S. Securities Act of 1933 and Section 21E of the U.S. Securities Exchange Act of 1934. Such forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause the actual performance, financial condition or results of operations of UMC to be materially different from what may be implied by such forward-looking statements. Investors are cautioned that actual events and results could differ materially from those statements as a result of a number of factors, many of which are beyond our control.

The financial statements included in this release were prepared pursuant to ROC GAAP. Investors are cautioned that there are many differences between ROC GAAP and U.S. GAAP, as described in the notes to the financial statements included in UMC's annual reports filed with the U.S. SEC.

The forward-looking statements in this release reflect the current belief of UMC as of the date of this release and UMC undertakes no obligation to update these forecasts and forward-looking statements for events or circumstances that occur subsequent to such date.