Exhibit II
to
Schedule 13G
Joint Filing Agreement
The undersigned persons agree and consent to the joint filing on their behalf of this Schedule 13G dated October 10, 2012 in connection with their beneficial ownership of New Mountain Finance Corp. Columbia Management Investment Advisers, LLC authorizes Ameriprise Financial, Inc. to execute the Schedule 13G to which this Exhibit is attached and make any necessary amendments there to.
| Ameriprise Financial, Inc. | ||||
| By: | /s/ Wade M. Voigt |
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| Wade M. Voigt | ||||
| Vice President – Fund Administration – Financial Reporting | ||||
| Columbia Management Investment Advisers, LLC | ||||
| By: | /s/ Amy Johnson |
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| Amy Johnson | ||||
| Chief Operating Officer | ||||