Institutional investors
Investor Relations Dept.
No. 177, Shan Ying Rd., Kwei Shan Ind. Park, Taoyuan. Taiwan, R.O.C
Tel:886-3-3500386 ext:11854
Fax:886-3-3595536
Email: murielchen@unimicron.com

Please direct questions regarding stockholders’account and stock transfers to: HORIZON SECURITIES
Address:3rd Floor, No.236 section 4, Xinyi Rd. Taipei, Taiwan 106
Tel:886-2-7719-8899