ChipMOS ANNOUNCES TO EFFECT US$10 MILLION SHARES REPURCHASE PROGRAM

ChipMOS ANNOUNCES TO EFFECT US$10 MILLION SHARES REPURCHASE PROGRAM

HSINCHU, Taiwan, Nov. 18, 2011 /PRNewswire-Asia-FirstCall/ -- ChipMOS TECHNOLOGIES (Bermuda) LTD. ("ChipMOS" or the "Company") (Nasdaq: IMOS) today announced it would effect its US$10 million share repurchase program in compliance with Rule 10b5-1 and Rule 10b-18 under the Securities Exchange Act of 1934, as amended (the "Exchange Act").

The Company announced approval of the share repurchase program for up to the maximum aggregate purchase price of US$10 million by the Company's Board of Directors in a Company's press release dated October 3, 2011.  In the same press release, the Company indicated it intended to effect the repurchases commencing in the fourth quarter of 2011 in accordance with the requirements of Rule 10b-5-1 and Rule 10b-18 under the Securities Exchange Act of 1934, as amended.

Shares will be repurchased pursuant to a written plan agreed to and entered into between the Company and its broker.  The plan specifies the total value of shares of the Company's common stock that may be repurchased and the prices at which the repurchases may occur, subject to the terms and conditions of the plan and applicable law requirements.  Purchases under the plan are subject to certain pricing parameters that depend in part upon market prices that fluctuate.  Therefore there is no guarantee as to the number of shares that may be repurchased under the plan. The repurchased shares will be retired and cancelled.

About ChipMOS TECHNOLOGIES (Bermuda) LTD.:

ChipMOS (http://www.chipmos.com) 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.

Contacts:

    In Taiwan                      In the U.S.
    ---------                      -----------
    Dr. S.K. Chen                  Chesha Gibbons
    ChipMOS TECHNOLOGIES            Director of Investor
     (Bermuda) LTD.                 Relations
    +886-6-507-7712                +1-415-786-9684
    s.k._chen@chipmos.com           chesha_gibbons@chipmos.com

                                   David Pasquale
                                   Global IR Partners
                                   +1-914-337-8801
                                    dpasquale@globalirpartners.com

SOURCE  ChipMOS TECHNOLOGIES (Bermuda) LTD.

ChipMOS TECHNOLOGIES (Bermuda) LTD.

Web Site: http://www.chipmos.com