<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a2152584zex-99_1.txt
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
<Page>

<TABLE>
<CAPTION>

                                                        EXHIBIT 1
                                                        ---------

<S>                 <C>

                    IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARIES WHICH ACQUIRED SECURITIES
                    -------------------------------------------------------------------------------

                          Citigroup Asset Management Limited is chartered in London, England.

                      Each of the undersigned hereby affirms the identification of the subsidiary
                          which acquired the security holdings reported in this Schedule 13G.


                      Date: February 25, 2005



                                         CITIGROUP GLOBAL MARKETS HOLDINGS INC.


                                         By: /s/ Serena D. Moe
                                         -------------------------------------
                                         Name:  Serena D. Moe
                                         Title: Assistant Secretary



                                         CITIGROUP INC.


                                         By: /s/ Serena D. Moe
                                         -------------------------------------
                                         Name:  Serena D. Moe
                                         Title: Assistant Secretary


</TABLE>
</TEXT>
</DOCUMENT>
