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Stock ticker: 2303

 

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Stock ticker: UMC

 

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Common Stock Transfer Agent

Horizon Securities

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
 

ADR Depositary Bank

J.P. Morgan Depositary Receipts

383 Madison Avenue, 11th Floor New York, NY10179, U.S.A.

Toll free in USA: 1-800-990-1135

Outside USA: 1-651-453-2128

http://www.adr.com
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