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Contact IR



 
Investor Relations Dept.
3F, No.76, Sec 2, Tunhwa S. Rd.,
Taipei, Taiwan, R.O.C.
Fax: 886-2-2700-6990
Email: ir@umc.com
 

Please direct questions regarding UMC's ADR to:

JPMorgan Depositary Receipts
4 New York Plaza, 13th Fl.
New York, NY10004, U.S.A.
http://www.adr.com

Toll free in USA: 1-800-990-1135
Outside USA: 1-651-453-2128

Please direct questions regarding stockholders' accounts and stock transfers to:
Horizon Securities
Address: 3F, No. 236 Sec. 4, Hsin-I Rd., Taipei, Taiwan, R.O.C.
Tel: 886-2-2326-8818
Email: service@honsec.com.tw
http://www.honsec.com.tw

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