<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a2153028zex-99_1.txt
<DESCRIPTION>EX99-1
<TEXT>
<Page>

<Table>
<Caption>

                                                      EXHIBIT 1
                                                      ---------
<S>                 <C>

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

                                Citigroup Investment Holdings Inc. is a Delaware Corporation
                                           located in New Castle, Delaware.

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


                    Date: December 10, 2005


                                         CITIGROUP INC.


                                         By: /s/ Ali L. Karshan
                                         -------------------------------------
                                         Name:  Ali L. Karshan
                                         Title: Assistant Secretary


</Table>

</TEXT>
</DOCUMENT>