EXHIBIT 1
AGREEMENT AS TO JOINT FILING OF SCHEDULE 13D
The undersigned hereby agree that:
(i) each of them is individually eligible to use the Schedule 13D attached
hereto;
(ii) the attached Schedule 13D is filed on behalf of each of them; and
(iii) each of them is responsible for the timely filing of such Schedule 13D
and any amendments thereto, and for the completeness and accuracy of
the information therein concerning him or itself; but none of them is
responsible for the completeness or accuracy of the information
concerning the other persons making the filing, unless he or it knows
or has reason to believe that such information is inaccurate.
Dated: May 6, 2002
SALOMON BROTHERS HOLDING COMPANY INC
By: /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
---------------------
Name: ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
Title: Assistant Secretary
▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇ HOLDINGS INC.
By: /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
---------------------
Name: ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
Title: Assistant Secretary
CITIGROUP INC.
By: /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
---------------------
Name: ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
Title: Assistant Secretary
