Prospectus Supplement No. 13

Filed Pursuant to Rule 424(b)(7)

Registration No. 333-122149

PROSPECTUS SUPPLEMENT NO. 13

TO PROSPECTUS DATED DECEMBER 1, 2005

50,000,987

LOGO

COMMON SHARES

 

This prospectus supplement supplements information contained in the prospectus dated December 1, 2005 covering resale by selling shareholders of 50,000,987 of our common shares. This prospectus supplement is not complete without, and may not be delivered or utilized except in connection with, the prospectus, including any amendments or supplements thereto.

 

Investing in our common shares involves risk. See “Risk Factors” beginning on page 2 of the prospectus.

 

NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES COMMISSION HAS APPROVED OR DISAPPROVED THESE SECURITIES OR PASSED UPON THE ADEQUACY OR ACCURACY OF THIS PROSPECTUS SUPPLEMENT OR THE PROSPECTUS TO WHICH IT RELATES. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

 

The information in the table appearing under the caption “Selling Shareholders” in the prospectus is amended by superseding the information with respect to a person previously listed in the prospectus with the information that is set forth below:

 

      Prior to the Offering    Number of
Common Shares
Registered for
Resale		   After the Offering

Name of Selling Shareholder

    Number of
Common Shares
Beneficially
Owned		   Percentage of
Common Shares
Outstanding		      Number of
Common Shares
Beneficially
Owned		    Percentage of
Common Shares
Outstanding

Senior Management, Their Transferees and Certain Other Holders:

             

Karl Chicca1

    304,4382   *    85,7753   218,663    *
  * Less than one percent.

 

  1 Current Seagate employee.

 

  2 Includes (i) exercisable options to purchase 9,999 Seagate common shares and (ii) 85,775 Seagate common shares held by the Chicca Living Trust dated March 10, 1998 for which Mr. Chicca and Linda Chicca serve as co-trustees and exercise voting and dispositive power.

 

  3 Held by the Chicca Living Trust dated March 10, 1998 for which Mr. Chicca and Linda Chicca serve as co-trustees and exercise voting and dispositive power.

 

The date of this prospectus supplement is August 1, 2006.