JOINT FILING AGREEMENT
Exhibit
99.1
The undersigned, New Mountain GP, LLC,
New Mountain Investments, L.P., New Mountain Partners, L.P., New Mountain
Affiliated Investors, L.P., Xxxxxx X. Xxxxxxx and New Mountain Capital, L.L.C.,
hereby agree and acknowledge that the information required by this Schedule 13G,
to which this Agreement is attached as an exhibit, is filed on behalf of each of
them. The undersigned further agree that any further amendments or
supplements thereto shall also be filed on behalf of each of them.
Dated: May
9, 2008
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NEW
MOUNTAIN GP, LLC
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By:
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/s/
Xxxxxx X. Xxxxxxx
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Xxxxxx
X. Xxxxxxx
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Member
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NEW
MOUNTAIN INVESTMENTS, L.P.
By: New
Mountain GP, LLC,
its
general partner
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By:
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/s/
Xxxxxx X. Xxxxxxx
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Xxxxxx
X. Xxxxxxx
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Member
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NEW
MOUNTAIN PARTNERS, L.P.
By: New
Mountain Investments, L.P.,
its
general partner
By: New
Mountain GP, LLC,
its
general partner
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By:
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/s/
Xxxxxx X. Xxxxxxx
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Xxxxxx
X. Xxxxxxx
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Member
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NEW
MOUNTAIN AFFILIATED INVESTORS, L.P.
By: New
Mountain GP, LLC,
its
general partner
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By:
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/s/
Xxxxxx X. Xxxxxxx
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Xxxxxx
X. Xxxxxxx
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Member
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By:
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/s/
Xxxxxx X. Xxxxxxx
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Xxxxxx
X. Xxxxxxx
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NEW
MOUNTAIN CAPITAL, L.L.C.
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By:
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/s/
Xxxxxx X. Xxxxxxx
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Xxxxxx
X. Xxxxxxx
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Chief
Executive Officer
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