EXHIBIT 99.2 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...

                                                               EXHIBIT 99.2


                           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.


Dated:  November 7, 2006

                                        NEW MOUNTAIN VANTAGE GP, L.L.C.

                                        By: /s/ Xxxxxx X. Xxxxxxx
                                           -------------------------------------
                                             Xxxxxx X. Xxxxxxx
                                             Managing Member


                                        NEW MOUNTAIN VANTAGE, L.P.

                                        By:  New Mountain Vantage GP, L.L.C.,
                                             its general partner

                                        By: /s/ Xxxxxx X. Xxxxxxx
                                           -------------------------------------
                                             Xxxxxx X. Xxxxxxx
                                             Managing Member


                                        NEW MOUNTAIN VANTAGE (CALIFORNIA), L.P.

                                        By:  New Mountain Vantage GP, L.L.C.,
                                             its general partner

                                        By: /s/ Xxxxxx X. Xxxxxxx
                                           -------------------------------------
                                             Xxxxxx X. Xxxxxxx
                                             Managing Member


                                        NEW MOUNTAIN VANTAGE (TEXAS), L.P.

                                        By:  New Mountain Vantage GP, L.L.C.,
                                             its general partner

                                        By: /s/ Xxxxxx X. Xxxxxxx
                                           -------------------------------------
                                             Xxxxxx X. Xxxxxxx
                                             Managing Member


                                        NEW MOUNTAIN VANTAGE ADVISERS, L.L.C.

                                        By: /s/ Xxxxxx X. Xxxxxxx
                                           -------------------------------------
                                             Xxxxxx X. Xxxxxxx
                                             Managing Member


                                        NEW MOUNTAIN VANTAGE (CAYMAN) LTD.

                                        By: /s/ Xxxxxx X. Xxxxxxx
                                           -------------------------------------
                                             Xxxxxx X. Xxxxxxx
                                             Director


                                        NEW MOUNTAIN VANTAGE HOLDCO LTD.

                                        By: /s/ Xxxxxx X. Xxxxxxx
                                           -------------------------------------
                                             Xxxxxx X. Xxxxxxx
                                             Director

                                         /s/ Xxxxxx X. Xxxxxxx
                                        ----------------------------------------
                                         Xxxxxx X. Xxxxxxx