EXHIBIT 1
---------
AGREEMENT AS TO JOINT FILING OF SCHEDULE 13G
--------------------------------------------
Each of the undersigned hereby affirms that it is individually eligible to use
Schedule 13G, and agrees that this Schedule 13G is filed on its behalf.
Date: November 8, 2000
XXXXXXX XXXXX XXXXXX INC.
By: /s/ Xxxxxx X. Xxxxxxxxxxx
--------------------------------------------
Name: Xxxxxx X. Xxxxxxxxxxx
Title: Assistant Secretary
SALOMON BROTHERS HOLDING COMPANY INC
By: /s/ Xxxxxx X. Xxxxxxxxxxx
--------------------------------------------
Name: Xxxxxx X. Xxxxxxxxxxx
Title: Assistant Secretary
XXXXXXX XXXXX XXXXXX HOLDINGS INC.
By: /s/ Xxxxxx X. Xxxxxxxxxxx
--------------------------------------------
Name: Xxxxxx X. Xxxxxxxxxxx
Title: Assistant Secretary
CITIGROUP INC.
By: /s/ Xxxxxx X. Xxxxxxx
--------------------------------------------
Name: Xxxxxx X. Xxxxxxx
Title: Assistant Secretary
