EXHIBIT 1
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AGREEMENT AS TO JOINT FILING OF SCHEDULE 13G
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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: June 9, 2003
SALOMON BROTHERS ASSET MANAGEMENT INC
By: /s/ Xxxxxx X. Xxxxxxx
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Name: Xxxxxx X. Xxxxxxx
Title: Assistant Secretary
CITIGROUP FINANCIAL PRODUCTS INC.
By: /s/ Xxxxxx X. Xxxxxxx
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Name: Xxxxxx X. Xxxxxxx
Title: Assistant Secretary
XXXXX XXXXXX FUND MANAGEMENT LLC
By: /s/ Xxxxxxxxx X. Xxxxx
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Name: Xxxxxxxxx X. Xxxxx
Title: Secretary
CITIGROUP GLOBAL MARKETS HOLDINGS INC.
By: /s/ Xxxxxx X. Xxxxxxx
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Name: Xxxxxx X. Xxxxxxx
Title: Assistant Secretary
CITIGROUP INC.
By: /s/ Xxxxxx X. Xxx
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Name: Xxxxxx X. Xxx
Title: Assistant Secretary
