New Mountain Finance Corporation Sets Second Quarter 2011 Earnings Release Date, Dividend Declaration Date, and Webcast

New Mountain Finance Corporation (the "Company") (NYSE: NMFC) today announced that it will release its financial results for the quarter ended June 30, 2011 on Thursday, August 11, 2011 after the close of the financial markets. Additionally at that time, the Company will declare a dividend to be paid by Friday, September 2, 2011. The Company will host an earnings conference call and audio webcast at 10:00am (Eastern Time) on Friday, August 12, 2011 to discuss its second quarter 2011 financial results.

All interested parties may participate in the conference call by dialing 1.800.561.2718 approximately 15 minutes prior to the call, international callers should dial 617.614.3525. Participants should reference New Mountain Finance Corporation and the participant passcode of 13187313 when prompted. This conference call will also be broadcast live over the Internet and can be accessed by all interested parties through New Mountain Finance Corporation’s website, http://www.newmountainfinance.com/investor-relations. To listen to the live call, please go to the Company's website at least 15 minutes prior to the start of the call to register and download any necessary audio software. Following the call you may access a replay of the event via audio webcast.

ABOUT NEW MOUNTAIN FINANCE CORPORATION

New Mountain Finance Corporation is a closed-end, non-diversified and externally managed investment company that has elected to be treated as a business development company under the Investment Company Act of 1940. The Company used all of the proceeds from its initial public offering as well as the proceeds from its concurrent private placement to acquire common membership units from New Mountain Finance Holdings, L.L.C. New Mountain Finance Holdings, L.L.C.’s investment objective is to generate current income and capital appreciation through the sourcing of debt securities at all levels of the capital structure, including first and second lien debt, notes, bonds and mezzanine securities. In some cases, investments may also include small equity interests. New Mountain Finance Holdings, L.L.C.’s investment activities are managed by its Investment Adviser, New Mountain Finance Advisers BDC, L.L.C., which is an investment adviser registered under the Investment Advisers Act of 1940.

FORWARD-LOOKING STATEMENTS

Statements included herein may constitute "forward-looking statements," which relate to future events or our future performance or financial condition. These statements are not guarantees of future performance, condition or results and involve a number of risks and uncertainties. Actual results may differ materially from those in the forward-looking statements as a result of a number of factors, including those described from time to time in our filings with the Securities and Exchange Commission. New Mountain Finance Corporation undertakes no duty to update any forward-looking statements made herein. All forward-looking statements speak only as of the time of this press release.