EXHIBIT 99.1


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 shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements.  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 or has reason to believe that such information is inaccurate.

This Agreement may be executed in counterparts and each of such counterparts taken together shall constitute one and the same instrument.


 
Date:  May 31, 2011
 
 
 
NEW MOUNTAIN INVESTMENTS III, L.L.C.
 
 
 
By:
/s/ Steven B. Klinsky
 
Name:  Steven B. Klinsky
 
 
Title:    Managing Member
 
 
 
 
NEW MOUNTAIN GUARDIAN AIV, L.P.
 
By: New Mountain Investments III, L.L.C.,
       its general partner
 
 
By:
/s/ Steven B. Klinsky
 
Name:  Steven B. Klinsky
 
 
Title:    Managing Member
 
 
 
 
NEW MOUNTAIN FINANCE AIV
          HOLDINGS CORPORATION
 
 
By:
/s/  Adam Weinstein
 
Name:  Adam Weinstein
 
 
Title:    Chief Financial Officer
 
 
 
 
NEW MOUNTAIN GUARDIAN PARTNERS, L.P.
 
By: New Mountain Guardian GP, L.L.C.,
        its general partner
 
 
By:
/s/ Steven B. Klinsky
 
Name:  Steven B. Klinsky
 
 
Title:    Managing Member
 
 
 
NEW MOUNTAIN GUARDIAN GP, L.L.C.
 
 
 
By:
/s/ Steven B. Klinsky
 
Name:  Steven B. Klinsky
 
 
Title:    Managing Member
 
 
 
Steven B. Klinsky
 
/s/ Steven B. Klinsky
                                                                                                           
 
 
 
STEVEN B. KLINSKY TRUST
 
 
By:
/s/  Steven B. Klinsky
 
Name:  Steven B. Klinsky
 
 
Title:  Investment Trustee
 
 
 
 
Adam J. Collins
 
/s/ Adam J. Collins