JOINT FILING UNDERTAKING
EXHIBIT 99.1
JOINT FILING UNDERTAKING
The undersigned, being duly authorized thereunto, hereby execute this
agreement as an exhibit to this Schedule 13D to evidence the agreement of the
below-named parties, in accordance with the rules promulgated pursuant to the
Securities Exchange Act of 1934, to file this Schedule jointly on behalf of each
such party.
The execution and filing of this agreement shall not be construed as an
admission that the below-named parties are a group, or have agreed to act as a
group.
Dated: March 28, 2003 BERKSHIRE FUND V, LIMITED PARTNERSHIP
By: Fifth Berkshire Associates LLC, its
General Partner
By: /s/ Xxxxxx X. Xxxxx
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Name: Xxxxxx X. Xxxxx
Title: Managing Director
BERKSHIRE FUND VI, LIMITED PARTNERSHIP
By: Sixth Berkshire Associates LLC, its
General Partner
By: /s/ Xxxxxx X. Xxxxx
------------------------------------
Name: Xxxxxx X. Xxxxx
Title: Managing Director
BERKSHIRE INVESTORS LLC
By: /s/ Xxxxxx X. Xxxxx
------------------------------------
Name: Xxxxxx X. Xxxxx
Title: Managing Director
BERKSHIRE PARTNERS LLC
By: /s/ Xxxxxx X. Xxxxx
------------------------------------
Name: Xxxxxx X. Xxxxx
Title: Managing Director
GREENBRIAR EQUITY FUND, L.P.
By: Greenbriar Equity Capital, L.P., its
general partner
By: Greenbriar Holdings LLC, its general
partner
By: /s/ Xxxx X. Xxxxxxx
------------------------------------
Name: Xxxx X. Xxxxxxx
Title: Managing Member
GREENBRIAR CO-INVESTMENT PARTNERS, L.P.
By: Greenbriar Holdings LLC its general
partner
By: /s/ Xxxx X. Xxxxxxx
------------------------------------
Name: Xxxx X. Xxxxxxx
Title: Managing Member
GREENBRIAR EQUITY GROUP, LLC
By: /s/ Xxxx X. Xxxxxxx
------------------------------------
Name: Xxxx X. Xxxxxxx
Title: Managing Member
