Nov 30, 2004

ChipMOS to Make Presentation at Lehman Brothers T4 2004 Conference

ChipMOS to Make Presentation at Lehman Brothers T4 2004 ConferenceHSINCHU, Taiwan, Nov. 30, 2004 -- ChipMOS TECHNOLOGIES (Bermuda) LTD. ("ChipMOS" or "the Company") (Nasdaq: IMOS) is scheduled to make a presentation at the Lehman Brothers T4 2004 Technology and Telecom Trends for Tomorrow Conference in San Francisco, California on Wednesday, December 8, 2004. Shih-Jye Cheng, Chairman and Chief Executive Officer of ChipMOS, will make the presentation.

Place: The Fairmont Hotel, San Francisco, CA
Date: Wednesday, December 8, 2004
Time: 4:30PM PST
Webcast: http://www.shareholder.com/chipmos/medialist.cfm

About ChipMOS TECHNOLOGIES (Bermuda) LTD.:
ChipMOS ( http://www.chipmos.com.tw ) is a leading independent provider of semiconductor testing and assembly services to customers in Taiwan, Japan, and the U.S. With advanced facilities in Hsinchu and Southern Taiwan Science Parks in Taiwan and Shanghai, ChipMOS and its subsidiaries provide testing and assembly services to a broad range of customers, including leading fabless semiconductor companies, integrated device manufacturers and independent semiconductor foundries.

Forward-Looking Statements

Certain statements contained in this announcement may be viewed as "forward-looking statements" within the meaning of Section 27A of the U.S. Securities Act of 1933, as amended, and Section 21E of the U.S. Securities Exchange Act of 1934, as amended. 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 the Company to be materially different from any future performance, financial condition or results of operations implied by such forward-looking statements. Further information regarding these risks, uncertainties and other factors is included in the Company's most recent Annual Report on Form 20-F filed with the U.S. Securities and Exchange Commission (the "SEC") and in the Company's other filings with the SEC.

Contact:

In Taiwan R.O.C.
Dr. S.K. Chen
ChipMOS TECHNOLOGIES (Bermuda) LTD
Tel: +886-6-507-7712
Email: s.k._chen@chipmos.com.tw

In the U.S.
The Ruth Group
David Pasquale
Tel: +1-646-536-7006
Email: dpasquale@theruthgroup.com