Edit Symbol List
Enter up to 25 symbols separated by commas or spaces in the text box below. These symbols will be available during your session for use on applicable pages.
Don't know the stock symbol? Use the symbol lookup tool.
Alphabetize the sort order of my symbols
Investing just got easier…
Sign up now to become a NASDAQ.com member and begin receiving instant notifications when key events occur that affect the stocks you follow.Access Now X
Company Description (as filed with the SEC)
Our legal and commercial name is United Microelectronics Corporation, commonly known as “UMC”. We were incorporated under the R.O.C. Company Law as a company limited by shares in May 1980 and our shares were listed on the Taiwan Stock Exchange in 1985. Our principal executive office is located at No. 3 Li-Hsin Road II, Hsinchu Science Park, Hsinchu, Taiwan, Republic of China, and our telephone number is 886-3-578-2258. Our Internet website address is www.umc.com. The information on our website does not form part of this annual report. Our ADSs have been listed on the NYSE under the symbol “UMC” since September 19, 2000. We are one of the world’s largest independent semiconductor foundries and a leader in semiconductor manufacturing process technologies. Our primary business is the manufacture, or “fabrication”, of semiconductors, sometimes called “chips” or “integrated circuits”, for others. ... More ...