Exhibit 4
Joint Filing Agreement
The undersigned acknowledge and agree that the foregoing statement on
Schedule 13D is filed on behalf of each of the undersigned and that all
subsequent amendments to this statement on Schedule 13D shall be filed on behalf
of each of the undersigned without the necessity of filing additional joint
acquisition statements. The undersigned acknowledge that each shall be
responsible for the timely filing of such amendments, and for the completeness
and accuracy of the information concerning it contained therein, but shall not
be responsible for the completeness and accuracy of the information concerning
the others, except to the extent that it knows of or has reason to believe that
such information is not accurate.
Dated: December 8, 2000 HEARTLAND INDUSTRIAL ASSOCIATES L.L.C.
By: /s/ David A. Stockman
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Name: David A. Stockman
HEARTLAND INDUSTRIAL PARTNERS (FF), L.P.
By: HEARTLAND INDUSTRIAL ASSOCIATES L.L.C.
By: /s/ David A. Stockman
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Name: David A. Stockman
HEARTLAND INDUSTRIAL PARTNERS (E1), L.P.
By: HEARTLAND INDUSTRIAL ASSOCIATES L.L.C.
By: /s/ David A. Stockman
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Name: David A. Stockman
HEARTLAND INDUSTRIAL PARTNERS (K1), L.P.
By: HEARTLAND INDUSTRIAL ASSOCIATES L.L.C.
By: /s/ David A. Stockman
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Name: David A. Stockman
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HEARTLAND INDUSTRIAL PARTNERS (C1), L.P.
By: HEARTLAND INDUSTRIAL ASSOCIATES L.L.C.
By: /s/ David A. Stockman
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Name: David A. Stockman
HEARTLAND INDUSTRIAL PARTNERS, L.P.
By: HEARTLAND INDUSTRIAL ASSOCIATES L.L.C.
By: /s/ David A. Stockman
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Name: David A. Stockman
