EXHIBIT 99.1 AGREEMENT REGARDING JOINT FILING -------------------------------- The undersigned, Henderson Group plc, Henderson Global Investors (Holdings) plc and Henderson Global Investors Limited, hereby agree and acknowledge that the statement...Agreement Regarding Joint • June 2nd, 2005 • Henderson Group PLC • Electronic computers
The undersigned, Henderson Group plc, Henderson Global Investors (Holdings) plc and Henderson Global Investors Limited, hereby agree and acknowledge that the statement containing the information required by Schedule 13G, to which this Agreement is attached as an exhibit, is filed on behalf of each of them. The undersigned further agree that any amendments or supplements thereto shall also be filed on behalf of each of them.
