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As filed with the Securities and Exchange Commission on July 10, 2012

Securities Act File No. 333-180689

and 333-180690

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form N-2

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 x

Pre-Effective Amendment No. 1 x

Post-Effective Amendment No. ¨

New Mountain Finance Corporation

New Mountain Finance Holdings, L.L.C.

(Exact name of registrant as specified in charter)

787 Seventh Avenue, 48th Floor

New York, NY 10019

(212) 720-0300

(Address and telephone number,

including area code, of principal executive offices)

Robert A. Hamwee

Chief Executive Officer

New Mountain Finance Corporation

787 Seventh Avenue, 48th Floor

New York, NY 10019

(Name and address of agent for service)

COPIES TO:

Steven B. Boehm, Esq.

John J. Mahon, Esq.

Sutherland Asbill & Brennan LLP

1275 Pennsylvania Avenue, NW

Washington, D.C. 20004

Tel: (202) 383-0100

Fax: (202) 637-3593

Approximate date of proposed public offering: From time to time after the effective date of this Registration Statement.

If any securities being registered on this form will be offered on a delayed or continuous basis in reliance on Rule 415 under the Securities Act of 1933, other than securities offered in connection with a dividend reinvestment plan, check the following box.  x

It is proposed that this filing will become effective (check appropriate box):

CALCULATION OF REGISTRATION FEE UNDER THE SECURITIES ACT OF 1933

The Registrants hereby amend this Registration Statement on such date or dates as may be necessary to delay its effective date until the Registrants shall file a further amendment which specifically states that this Registration Statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933 or until the Registration Statement shall become effective on such date as the Securities and Exchange Commission, acting pursuant to said Section 8(a), may determine.

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SUBJECT TO COMPLETION, DATED             , 2012

The information in this prospectus is not complete and may be changed. We may not sell these securities until the registration statement filed with the Securities and Exchange Commission is effective. This prospectus is not an offer to sell these securities and is not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted.

PROSPECTUS

New Mountain Finance Corporation

Common Stock

New Mountain Finance Corporation (“NMFC”) is a holding company with no direct operations of its own, and its only business and sole asset is its ownership of common membership units of New Mountain Finance Holdings, L.L.C. (the “Operating Company”). The Operating Company is an externally managed business development company managed by New Mountain Finance Advisers BDC, L.L.C. and is the operating company for NMFC’s business. NMFC and the Operating Company each have elected to be treated as a business development company under the Investment Company Act of 1940. The Operating Company’s investment objective is to generate current income and capital appreciation through the sourcing and origination of debt securities at all levels of the capital structure, including first and second lien debt, notes, bonds and mezzanine securities. NMFC owns approximately 34.6% of the common membership units of the Operating Company and New Mountain Finance AIV Holdings Corporation owns approximately 65.4% of the common membership units of the Operating Company.

NMFC may offer, from time to time, in one or more offerings, up to $150,000,000 of its common stock. The common stock may be offered at prices and on terms to be described in one or more supplements to this prospectus. In addition, this prospectus relates to 22,393,938 shares of NMFC’s common stock that may be sold by the selling stockholders identified under “Selling Stockholders”. Sales of NMFC’s common stock by the selling stockholders, which may occur at prices below the net asset value per share of NMFC’s common stock, may adversely affect the market price of NMFC’s common stock and may make it more difficult for NMFC to raise capital.

The offering price per share of NMFC’s common stock less any underwriting commissions or discounts will generally not be less than the net asset value per share of NMFC’s common stock at the time we make the offering. However, NMFC may issue shares of its common stock pursuant to this prospectus at a price per share that is less than its net asset value per share (i) with the prior approval of the majority of its common stockholders or (ii) under such other circumstances as the Securities and Exchange Commission may permit.

The selling stockholders identified under “Selling Stockholders” acquired their respective shares of NMFC’s common stock either through (i) the concurrent private placement to certain affiliates of NMFC in connection with NMFC’s initial public offering or (ii) the formation transactions completed immediately prior to NMFC’s initial public offering. Each offering by the selling stockholders of their shares of NMFC’s common stock through agents, underwriters or dealers will be accompanied by a prospectus supplement that will identify the selling stockholders that are participating in such offering. NMFC and the Operating Company will not receive any proceeds from the sale of shares of NMFC’s common stock by any of the selling stockholders.

NMFC’s common stock may be offered directly to one or more purchasers, or through agents designated from time to time by us, or to or through underwriters or dealers. The prospectus supplement relating to an offering will identify any agents or underwriters involved in the sale of NMFC’s common stock, and will disclose any applicable purchase price, fee, commission or discount arrangement between NMFC and its agents or underwriters or among NMFC’s underwriters or the basis upon which such amount may be calculated. See “Plan of Distribution”. NMFC may not sell any of its common stock through agents, underwriters or dealers without delivery of this prospectus and a prospectus supplement describing the method and terms of the offering of such common stock.

NMFC’s common stock is traded on the New York Stock Exchange under the symbol “NMFC”. On July 6, 2012, the last reported sales price on the New York Stock Exchange for NMFC’s common stock was $14.91 per share. Based on this last reported sales price of NMFC’s common stock, the aggregate market value of the shares of NMFC’s common stock held by the selling stockholders identified under “Selling Stockholders” is approximately $333.9 million.

An investment in NMFC’s common stock is very risky and highly speculative. Shares of closed-end investment companies, including business development companies, frequently trade at a discount to their net asset value. In addition, the companies in which NMFC invests, through the Operating Company, are subject to special risks. See “Risk Factors” beginning on page 19 to read about factors you should consider, including the risk of leverage, before investing in NMFC’s common stock.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities, or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

This prospectus may not be used to consummate sales of shares of common stock unless accompanied by a prospectus supplement.

Please read this prospectus and any accompanying prospectus supplements before investing and keep each for future reference. This prospectus and any accompanying prospectus supplements contain important information about NMFC and the Operating Company that a prospective investor ought to know before investing in NMFC’s common stock. NMFC and the Operating Company file annual, quarterly and current reports, proxy statements and other information with the Securities and Exchange Commission (http://www.sec.gov), which is available free of charge by contacting NMFC by mail at 787 Seventh Avenue, 48th Floor, New York, New York 10019 or on our website at http://www.newmountainfinance.com.

            , 2012

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You should rely only on the information contained in this prospectus and any accompanying prospectus supplement. We have not authorized any dealer, salesman or other person to give any information or to make any representation other than those contained in this prospectus or any prospectus supplement to this prospectus. You must not rely upon any information or representation not contained in this prospectus or any such supplements as if we had authorized it. This prospectus and any such supplements do not constitute an offer to sell or a solicitation of any offer to buy any security other than the registered securities to which they relate, nor do they constitute an offer to sell or a solicitation of an offer to buy any securities in any jurisdiction to any person to whom it is unlawful to make such an offer or solicitation in such jurisdiction. The information contained in this prospectus and any such supplements is accurate as of the dates on their covers. Our business, financial condition, results of operations and prospects may have changed since then.

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ABOUT THIS PROSPECTUS

This prospectus is part of a registration statement that we have filed with the Securities and Exchange Commission (“SEC”), using the “shelf” registration process. Under the shelf registration process, which constitutes a delayed offering in reliance on Rule 415 under the Securities Act of 1933, as amended (the “Securities Act”), NMFC may offer, from time to time, in one or more offerings, up to $150,000,000 of its common stock on terms to be determined at the time of the offering. In addition, this prospectus relates to 22,393,938 shares of NMFC’s common stock that may be sold by the selling stockholders identified under “Selling Stockholders”. The shares may be offered at prices and on terms described in one or more supplements to this prospectus. This prospectus provides you with a general description of the offerings of shares that NMFC may conduct pursuant to this prospectus. Each time NMFC uses this prospectus to offer shares, we will provide a prospectus supplement that will contain specific information about the terms of that offering. A prospectus supplement may also add, update or change information contained in this prospectus.

Please carefully read this prospectus and any such supplements together with any exhibits and the additional information described under “Available Information” and in the “Summary” and “Risk Factors” sections before you make an investment decision.

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FEES AND EXPENSES

The following table is intended to assist you in understanding the costs and expenses that you will bear directly or indirectly. We caution you that some of the percentages indicated in the table below are estimates and may vary. Except where the context suggests otherwise, whenever this prospectus contains a reference to fees or expenses paid by “you”, “NMFC”, the “Operating Company”, or “us” or that “we”, “NMFC”, or the “Operating Company” will pay fees or expenses, stockholders will indirectly bear such fees or expenses through NMFC’s investment in the Operating Company.

Example

The following example, required by the SEC, demonstrates the projected dollar amount of total cumulative expenses that would be incurred over various periods with respect to a hypothetical investment in NMFC’s common stock. In calculating the following expense amounts, we have assumed that our borrowings and annual operating expenses would remain at the levels set forth in the table above. In the event that shares to which this prospectus relates are sold to or through underwriters, a corresponding prospectus supplement will restate this example to reflect the applicable sales load and offering expenses.

The example and the expenses in the tables above should not be considered a representation of future expenses, and actual expenses may be greater or less than those shown.

While the example assumes, as required by the applicable rules of the SEC, a 5.0% annual return, our performance will vary and may result in a return greater or less than 5.0%. The incentive fee under the Investment Management Agreement, which, assuming a 5.0% annual return, would either not be payable or would have an insignificant impact on the expense amounts shown above, is not included in the above example. The above illustration assumes that we will not realize any capital gains (computed net of all realized capital losses and unrealized capital depreciation) in any of the indicated time periods. If we achieve sufficient returns on our investments, including through the realization of capital gains, to trigger an incentive fee of a material amount, our expenses and returns to our investors would be higher. For example, if we assumed that we received our 5.0% annual return completely in the form of net realized capital gains on our investments, computed net of all cumulative unrealized depreciation on our investments, the projected dollar amount of total cumulative expenses set forth in the above illustration would be as follows:

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The example assumes no sales load. In addition, while the examples assume reinvestment of all distributions at net asset value, participants in NMFC’s dividend reinvestment plan will receive a number of shares of NMFC’s common stock determined by dividing the total dollar amount of the distribution payable to a participant by the market price per share of NMFC’s common stock at the close of trading on the dividend payment date. The market price per share of NMFC’s common stock may be at, above or below net asset value. See “Dividend Reinvestment Plan” for additional information regarding the dividend reinvestment plan.

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SELECTED FINANCIAL AND OTHER DATA

The selected financial data should be read in conjunction with the respective financial statements and related combined notes thereto and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in this prospectus. Financial information for the years ended December 31, 2011, December 31, 2010, December 31, 2009 and for the period October 29, 2008 (commencement of operations) to December 31, 2008 has been derived from our financial statements that were audited by Deloitte & Touche, LLP, an independent registered public accounting firm. The financial information at and for the three months ended March 31, 2012 was derived from our unaudited financial statements and related notes. In the opinion of management, all adjustments, consisting solely of normal recurring accruals, considered necessary for the fair presentation of financial statements for the interim periods, have been included. Our results for the interim period may not be indicative of our results for the full year. See “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Senior Securities” below for more information.

(in thousands except shares and per share data)

N/A—Fund was not unitized as of December 31, 2010, December 31, 2009 and December 31, 2008.

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NM—Total return from commencement of operations through December 31, 2008 was deemed not meaningful due to the scaling of operations during this short time period.

(in thousands except shares and per share data)

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SELECTED QUARTERLY FINANCIAL DATA

The following table sets forth certain quarterly financial data for the quarter ended March 31, 2012 and for each of the quarters for the fiscal years ended December 31, 2011, December 31, 2010 and December 31, 2009 of the Operating Company and for the quarter ended March 31, 2012 and for each of the quarters from May 19, 2011 (commencement of operations) through December 31, 2011 of NMFC. This data is derived from our unaudited financial statements. Results for any quarter are not necessarily indicative of results for the full year or for any future quarter.

The below selected quarterly financial data is for the Operating Company.

(in thousands except for per unit data)

N/A—Not applicable, as the Operating Company was not unitized until May 19, 2011.

The below selected quarterly financial data is for NMFC.

(in thousands except for per share data)

N/A—Not applicable, as NMFC did not commence operations until May 19, 2011.

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RISK FACTORS

Investing in NMFC’s common stock involves a number of significant risks. In addition to the other information contained in this prospectus and any accompanying prospectus supplement, you should consider carefully the following information before making an investment in NMFC’s common stock. The risks set out below are not the only risks we face. Additional risks and uncertainties not presently known to us or not presently deemed material by us might also impair our operations and performance. If any of the following events occur, our business, financial condition and results of operations could be materially and adversely affected. In such case, our net asset value and the trading price of NMFC’s common stock could decline, and you may lose all or part of your investment.

RISKS IN THE CURRENT ECONOMIC ENVIRONMENT

The downgrade of the U.S. credit rating and the economic crisis in Europe could negatively impact the Operating Company’s liquidity, financial condition and earnings, thus affecting the financial condition and earnings of NMFC.

The U.S. debt ceiling and budget deficit concerns, together with signs of deteriorating sovereign debt conditions in Europe, have increased the possibility of additional credit-rating downgrades and economic slowdowns. Although U.S. lawmakers passed legislation to raise the federal debt ceiling, Standard & Poor’s Ratings Services lowered its long-term sovereign credit rating on the U.S. from “AAA” to “AA+” in August 2011. The impact of this or any further downgrades to the U.S. government’s sovereign credit rating, or its perceived creditworthiness, and the impact of the current crisis in Europe with respect to the ability of certain European Union countries to continue to service their sovereign debt obligations is inherently unpredictable and could adversely affect the U.S. and global financial markets and economic conditions. There can be no assurance that governmental or other measures to aid economic recovery will be effective. These developments, and the government’s credit concerns in general, could cause interest rates and borrowing costs to rise, which may negatively impact both the perception of credit risk associated with the Operating Company’s debt portfolio and its ability to access the debt markets on favorable terms. In addition, the decreased credit rating could create broader financial turmoil and uncertainty, which may weigh heavily on NMFC’s stock price. Continued adverse economic conditions could have a material adverse effect on the New Mountain Finance Entities’ business, financial condition and results of operations.

RISKS RELATED TO OUR BUSINESS AND STRUCTURE

We have a limited operating history.

NMFC is a newly-formed entity while the Operating Company commenced operations in October 2008, owning all of the operations, including all of the assets and liabilities, of the Predecessor Entities. NMFC is a holding company with no direct operations of its own, and its only business and sole asset is its ownership of units of the Operating Company. As a result, we are subject to many of the business risks and uncertainties associated with any new business, including the risk that we may not achieve the Operating Company’s investment objective and that, as a result, the value of NMFC’s common stock and the Operating Company’s units could decline substantially.

The Operating Company may suffer credit losses.

Investments in small and middle market businesses are highly speculative and involve a high degree of risk of credit loss. These risks are likely to increase during volatile economic periods, such as the U.S. and many other economies have recently been experiencing.

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The Operating Company does not expect to replicate the Predecessor Entities’ historical performance or the historical performance of other entities managed or supported by the New Mountain Capital.

The Operating Company does not expect to replicate the Predecessor Entities’ historical performance or the historical performance of New Mountain Capital’s investments. The Operating Company’s investment returns may be substantially lower than the returns achieved by the Predecessor Entities. Although the Predecessor Entities commenced operations during otherwise unfavorable economic conditions, this was a favorable environment in which the Operating Company could conduct its business in light of its investment objectives and strategy. In addition, the Operating Company’s investment strategies may differ from those of New Mountain Capital or its affiliates. The New Mountain Finance Entities, as BDCs, and NMFC as a RIC, are subject to certain regulatory restrictions that do not apply to New Mountain Capital or its affiliates.

The Operating Company is generally not permitted to invest in any portfolio company in which New Mountain Capital or any of its affiliates currently have an investment or to make any co-investments with New Mountain Capital or its affiliates, except to the extent permitted by the 1940 Act. This may adversely affect the pace at which the Operating Company makes investments. Moreover, the Operating Company may operate with a different leverage profile than the Predecessor Entities. Furthermore, none of the prior results from the Predecessor Entities were from public reporting companies, and all or a portion of these results were achieved in particularly favorable market conditions for the Operating Company’s investment strategy which may never be repeated. Finally, we can offer no assurance that the Operating Company’s investment team will be able to continue to implement its investment objective with the same degree of success as it has had in the past.

There is uncertainty as to the value of the Operating Company’s portfolio investments because most of its investments are, and may continue to be in private companies and recorded at fair value. In addition, because NMFC is a holding company, the fair values of the Operating Company’s investments are determined by the Operating Company’s board of directors in accordance with the Operating Company’s valuation policy.

Some of the Operating Company’s investments are and may be in the form of securities or loans that are not publicly traded. The fair value of these investments may not be readily determinable. Under the 1940 Act, the Operating Company is required to carry its portfolio investments at market value or, if there is no readily available market value, at fair value as determined in good faith by its board of directors, including to reflect significant events affecting the value of its securities. The Operating Company values its investments for which it does not have readily available market quotations quarterly, or more frequently as circumstances require, at fair value as determined in good faith by its board of directors in accordance with its valuation policy, which is at all times consistent with GAAP.

The Operating Company’s board of directors utilizes the services of one or more independent third-party valuation firms to aid it in determining the fair value with respect to its material unquoted assets in accordance with its valuation policy. The inputs into the determination of fair value of these investments may require significant management judgment or estimation. Even if observable market data is available, such information may be the result of consensus pricing information or broker quotes, which include a disclaimer that the broker would not be held to such a price in an actual transaction. The non-binding nature of consensus pricing and/or quotes accompanied by disclaimers materially reduces the reliability of such information.

The types of factors that the board of directors takes into account in determining the fair value of its investments generally include, as appropriate: available market data, including relevant and applicable market trading and transaction comparables, applicable market yields and multiples, security covenants, call protection provisions, information rights, the nature and realizable value of any collateral, the portfolio company’s ability to make payments, its earnings and discounted cash flows and the markets in which it does business, comparisons of financial ratios of peer companies that are public, comparable merger and acquisition transactions and the principal market and enterprise values. Since these valuations, and particularly valuations of private securities

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and private companies, are inherently uncertain, may fluctuate over short periods of time and may be based on estimates, the Operating Company’s determinations of fair value may differ materially from the values that would have been used if a ready market for these securities existed.

Due to this uncertainty, the Operating Company’s fair value determinations may cause its net asset value and, consequently, NMFC’s net asset value, on any given date, to materially understate or overstate the value that the Operating Company may ultimately realize upon the sale of one or more of our investments. In addition, investors purchasing NMFC’s common stock based on an overstated net asset value would pay a higher price than the realizable value of our investments might warrant. Since NMFC is a holding company and its only business and sole asset is its ownership of units of the Operating Company, NMFC’s net asset value is based on the Operating Company’s valuation and its percentage interest in the Operating Company.

Although the Operating Company’s current board of directors is comprised of the same individuals as NMFC’s board of directors, there can be no assurances that the Operating Company’s board composition will remain the same as NMFC. As a result, the value of your investment in NMFC could be similarly understated or overstated based on the Operating Company’s fair value determinations. However, in the event that NMFC’s board of directors believes that a different fair value for the Operating Company’s investments is appropriate, NMFC’s board of directors may discuss the differences in the valuations with the Operating Company’s board of directors for the purposes of resolving the differences in valuation. The valuation procedures of NMFC are substantially similar to those utilized by the Operating Company described above.

The Operating Company may adjust quarterly the valuation of its portfolio to reflect its board of directors’ determination of the fair value of each investment in its portfolio. Any changes in fair value are recorded in the Operating Company’s statement of operations as net change in unrealized appreciation or depreciation.

The Operating Company’s ability to achieve its investment objective depends on key investment personnel of the Investment Adviser. If the Investment Adviser were to lose any of its key investment personnel, the Operating Company’s ability to achieve its investment objective could be significantly harmed.

The Operating Company depends on the investment judgment, skill and relationships of the investment professionals of the Investment Adviser, particularly Steven B. Klinsky and Robert A. Hamwee, as well as other key personnel to identify, evaluate, negotiate, structure, execute, monitor and service its investments. The Investment Adviser, as an affiliate of New Mountain Capital, is supported by New Mountain Capital’s team, which as of March 31, 2012 consisted of over 90 staff members, including 58 investment professionals, of New Mountain Capital and its affiliates to fulfill its obligations to the Operating Company under the Investment Management Agreement. The Investment Adviser may also depend upon New Mountain Capital to obtain access to investment opportunities originated by the professionals of New Mountain Capital and its affiliates. The Operating Company’s future success depends to a significant extent on the continued service and coordination of the key investment personnel of the Investment Adviser. The departure of any of these individuals could have a material adverse effect on the Operating Company’s ability to achieve its investment objective.

The Investment Committee, which provides oversight over the Operating Company’s investment activities, is provided by the Investment Adviser. The Investment Committee currently consists of five members. The loss of any member of the Investment Committee or of other senior professionals of the Investment Adviser and its affiliates without suitable replacement could limit the Operating Company’s ability to achieve its investment objective and operate as we anticipate. This could have a material adverse effect on our financial condition, results of operation and cash flows. To achieve the Operating Company’s investment objective, the Investment Adviser may hire, train, supervise and manage new investment professionals to participate in its investment selection and monitoring process. If the Investment Adviser is unable to find investment professionals or do so in a timely manner, our business, financial condition and results of operations could be adversely affected.

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The Investment Adviser has limited experience managing a BDC or a RIC, which could adversely affect our business.

Other than the New Mountain Finance Entities, the Investment Adviser has not previously managed a BDC or a RIC. The 1940 Act and the Code impose numerous constraints on the operations of BDCs and RICs that do not apply to the other investment vehicles previously managed by the investment professionals of the Investment Adviser. For example, under the 1940 Act, BDCs are required to invest at least 70.0% of their total assets primarily in securities of qualifying U.S. private or thinly traded companies, cash, cash equivalents, U.S. government securities and other high quality debt investments that mature in one year or less. Moreover, qualification for taxation as a RIC under subchapter M of the Code requires satisfaction of source-of-income, asset diversification and annual distribution requirements. NMFC has no assets other than its ownership of units of the Operating Company and has no material long-term liabilities. As a result, NMFC looks to the Operating Company’s assets and income for purposes of satisfying the requirements under the 1940 Act applicable to BDCs and the requirements under the Code applicable to RICs. The failure to comply with these provisions in a timely manner could prevent NMFC and the Operating Company from qualifying as BDCs or NMFC from qualifying as a RIC and could force us to pay unexpected taxes and penalties, which would have a material adverse effect on our performance. The Investment Adviser’s lack of experience in managing a portfolio of assets under the constraints applicable to BDCs and RICs may hinder its ability to take advantage of attractive investment opportunities and, as a result, achieve the Operating Company’s investment objective. If the Operating Company fails to maintain its status as a BDC or operate in a manner consistent with NMFC’s status as a RIC, its operating flexibility could be significantly reduced and NMFC may be unable to maintain its status as a BDC or RIC.

The Operating Company operates in a highly competitive market for investment opportunities and may not be able to compete effectively.

The Operating Company competes for investments with other BDCs and investment funds (including private equity and hedge funds), as well as traditional financial services companies such as commercial banks and other sources of funding. Many of its competitors are substantially larger and have considerably greater financial, technical and marketing resources than it does. For example, some competitors may have a lower cost of capital and access to funding sources that are not available to the Operating Company. In addition, some of the Operating Company’s competitors may have higher risk tolerances or different risk assessments than the Operating Company has. Furthermore, many of the Operating Company’s competitors have greater experience operating under, or are not subject to, the regulatory restrictions that the 1940 Act imposes on the New Mountain Finance Entities as BDCs or the source-of-income, asset diversification and distribution requirements that NMFC must satisfy to obtain and maintain its RIC status. These characteristics could allow the Operating Company’s competitors to consider a wider variety of investments, establish more relationships and offer better pricing and more flexible structuring than the Operating Company is able to do. There are a number of new BDCs that have recently completed their initial public offerings or that have filed registration statements with the SEC, which could create increased competition for investment opportunities.

The Operating Company may lose investment opportunities if it does not match its competitors’ pricing, terms and structure. With respect to the investments the Operating Company makes, it does not seek to compete based primarily on the interest rates it may offer, and we believe that some of the Operating Company’s competitors may make loans with interest rates that may be lower than the rates it offers. In the secondary market for acquiring existing loans, we expect the Operating Company to compete generally on the basis of pricing terms. If the Operating Company matches its competitors’ pricing, terms and structure, it may experience decreased net interest income, lower yields and increased risk of credit loss. If the Operating Company is forced to match its competitors’ pricing, terms and structure, it may not be able to achieve acceptable returns on its investments or may bear substantial risk of capital loss. Part of the Operating Company’s competitive advantage stems from the fact that we believe the market for middle market lending is underserved by traditional bank

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lenders and other financial sources. A significant increase in the number and/or the size of the Operating Company’s competitors in this target market could force it to accept less attractive investment terms. The Operating Company may also compete for investment opportunities with accounts managed by the Investment Adviser or its affiliates. Although the Investment Adviser allocates opportunities in accordance with its policies and procedures, allocations to such other accounts reduces the amount and frequency of opportunities available to the Operating Company and may not be in the best interests of the Operating Company and, consequently, NMFC’s stockholders. Moreover, the performance of investment opportunities is not known at the time of allocation. If the Operating Company is not able to compete effectively, its business, financial condition and results of operations may be adversely affected, thus affecting the business, financial condition and results of operations of NMFC. Because of this competition, there can be no assurance that the Operating Company will be able to identify and take advantage of attractive investment opportunities that it identifies or that it will be able to fully invest its available capital.

Our business, results of operations and financial condition depends on the Operating Company’s ability to manage future growth effectively.

The Operating Company’s ability to achieve its investment objective and to grow depends on the Investment Adviser’s ability to identify, invest in and monitor companies that meet the Operating Company’s investment criteria. Accomplishing this result on a cost-effective basis is largely a function of the Investment Adviser’s structuring of the investment process, its ability to provide competent, attentive and efficient services to the Operating Company and its ability to access financing on acceptable terms. The Investment Adviser has substantial responsibilities under the Investment Management Agreement and may also be called upon to provide managerial assistance to the Operating Company’s portfolio companies. These demands on the time of the Investment Adviser and its investment professionals may distract them or slow the Operating Company’s rate of investment. In order to grow, the Operating Company and the Investment Adviser may need to retain, train, supervise and manage new investment professionals. However, these investment professionals may not be able to contribute effectively to the work of the Investment Adviser. If the Operating Company is unable to manage its future growth effectively, our business, results of operations and financial condition could be materially adversely affected.

The incentive fee may induce the Investment Adviser to make speculative investments.

The incentive fee payable to the Investment Adviser may create an incentive for the Investment Adviser to pursue investments that are risky or more speculative than would be the case in the absence of such compensation arrangement, which could result in higher investment losses, particularly during cyclical economic downturns. The incentive fee payable to the Investment Adviser is calculated based on a percentage of the Operating Company’s return on investment capital. This may encourage the Investment Adviser to use leverage to increase the return on the Operating Company’s investments. In addition, because the base management fee is payable based upon the Operating Company’s gross assets, which includes any borrowings for investment purposes, but excludes cash and cash equivalents for investment purposes, the Investment Adviser may be further encouraged to use leverage to make additional investments. Under certain circumstances, the use of leverage may increase the likelihood of default, which would impair the value of NMFC’s units of the Operating Company and, consequently, the value of NMFC’s common stock.

The incentive fee payable to the Investment Adviser also may create an incentive for the Investment Adviser to invest in instruments that have a deferred interest feature, even if such deferred payments would not provide the cash necessary for the Operating Company to make distributions to NMFC that enable NMFC to pay current distributions to its stockholders. Under these investments, the Operating Company would accrue the interest over the life of the investment but would not receive the cash income from the investment until the end of the investment’s term, if at all. The Operating Company’s net investment income used to calculate the income portion of the incentive fee, however, includes accrued interest. Thus, a portion of the incentive fee would be

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based on income that the Operating Company has not yet received in cash and may never receive in cash if the portfolio company is unable to satisfy such interest payment obligations. In addition, the “catch-up” portion of the incentive fee may encourage the Investment Adviser to accelerate or defer interest payable by portfolio companies from one calendar quarter to another, potentially resulting in fluctuations in timing and dividend amounts.

The Operating Company may be obligated to pay the Investment Adviser incentive compensation even if the Operating Company incurs a loss.

The Investment Adviser is entitled to incentive compensation for each fiscal quarter in an amount equal to a percentage of the excess of the Operating Company’s Pre-Incentive Fee Adjusted Net Investment Income for that quarter (before deducting incentive compensation) above a performance threshold for that quarter. Accordingly, since the performance threshold is based on a percentage of the Operating Company’s net asset value, decreases in the Operating Company’s net asset value makes it easier to achieve the performance threshold. The Operating Company’s Pre-Incentive Fee Adjusted Net Investment Income for incentive compensation purposes excludes realized and unrealized capital losses or depreciation that it may incur in the fiscal quarter, even if such capital losses or depreciation result in a net loss on the Operating Company’s statement of operations for that quarter. Thus, the Operating Company may be required to pay the Investment Adviser incentive compensation for a fiscal quarter even if there is a decline in the value of its portfolio or the Operating Company incurs a net loss for that quarter.

The Operating Company borrows money, which could magnify the potential for gain or loss on amounts invested in us and increase the risk of investing in us.

The Operating Company borrows money as part of its business plan. Borrowings, also known as leverage, magnify the potential for gain or loss on invested equity capital and may, consequently, increase the risk of investing in us. We expect the Operating Company to continue to use leverage to finance its investments, through senior securities issued by banks and other lenders. The Operating Company is restricted from incurring additional indebtedness under the Credit Facilities, without lender consent. Lenders of these senior securities have fixed dollar claims on the Operating Company’s assets that are superior to NMFC’s claim as a member of the Operating Company, and, consequently, superior to claims of NMFC’s common stockholders. If the value of the Operating Company’s assets decreases, leveraging would cause its net asset value and, consequently, NMFC’s net asset value, to decline more sharply than it otherwise would have had it not leveraged. Similarly, any decrease in the Operating Company’s income would cause its net income and consequently NMFC’s net income to decline more sharply than they would have had it not borrowed. Such a decline could adversely affect the Operating Company’s ability to make distributions to its members and, consequently, NMFC’s ability to make common stock dividend payments. In addition, because the Operating Company’s investments may be illiquid, the Operating Company may be unable to dispose of them or to do so at a favorable price in the event it needs to do so if it is unable to refinance any indebtedness upon maturity and, as a result, we may suffer losses. Leverage is generally considered a speculative investment technique.

The Operating Company’s ability to service any debt that it incurs depends largely on its financial performance and is subject to prevailing economic conditions and competitive pressures. Moreover, as the Investment Adviser’s management fee is payable to the Investment Adviser based on gross assets, including those assets acquired through the use of leverage, the Investment Adviser may have a financial incentive to incur leverage which may not be consistent with NMFC’s interests and the interests of its common stockholders. In addition, holders of NMFC’s common stock will, indirectly, bear the burden of any increase in the Operating Company’s expenses as a result of leverage, including any increase in the management fee payable to the Investment Adviser.

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At March 31, 2012, the Operating Company had $151.9 million and $175.0 million of indebtedness outstanding under the Holdings Credit Facility and the SLF Credit Facility, respectively. The Holdings Credit Facility had a weighted average interest rate of 3.3% for the three months ended March 31, 2012 and the SLF Credit Facility had a weighted average interest rate of 2.5% for the three months ended March 31, 2012.

Illustration. The following table illustrates the effect of leverage on returns from an investment in NMFC’s common stock assuming various annual returns, net of expenses and adjusted for unsettled securities purchased. The calculations in the table below are hypothetical. Actual returns may be higher or lower than those appearing below and will also depend on NMFC’s ownership interest in the Operating Company. The calculation assumes (i) $788.6 million in total assets, (ii) a weighted average cost of borrowings of 2.9%, (iii) $326.9 million in debt outstanding and (iv) $434.3 million in stockholders’ equity.

Assumed Return on Our Portfolio

(net of expenses)

We may need to raise additional capital to grow.

All of the proceeds from the IPO and the Concurrent Private Placement were contributed to the Operating Company in exchange for NMFC’s acquisition of units of the Operating Company. The Operating Company may need additional capital to fund new investments and grow its portfolio of investments once the Operating Company has fully invested these proceeds. NMFC may access the capital markets periodically to issue equity securities, which would in turn increase the equity capital available to the Operating Company. In addition, the Operating Company may also issue debt securities or borrow from financial institutions in order to obtain such additional capital. However, the Operating Company is restricted from incurring additional indebtedness under the Credit Facilities, without lender consent. NMFC is not permitted to own any other securities other than its units of the Operating Company. As a result, any proceeds from offerings by NMFC of equity securities would be contributed to the Operating Company. Unfavorable economic conditions could increase NMFC and the Operating Company’s funding costs and limit their access to the capital markets or result in a decision by lenders not to extend credit to the Operating Company. A reduction in the availability of new capital could limit the Operating Company’s ability to grow. In addition, NMFC is required to distribute at least 90.0% of its net ordinary income and net short-term capital gains in excess of net long-term capital losses, if any, to its stockholders to obtain and maintain its RIC status. As a result, these earnings will not be available to fund new investments. If NMFC or the Operating Company is unable to access the capital markets or if the Operating Company is unable to borrow from financial institutions, the Operating Company may be unable to grow its business and execute its business strategy fully and our earnings, if any, could decrease which could have an adverse effect on the value of NMFC’s securities.

If the Operating Company is unable to comply with the covenants or restrictions in the Credit Facilities, our business could be materially adversely affected.

The Credit Facilities include covenants that, subject to exceptions, among other things, restrict the Operating Company’s ability to incur additional indebtedness, pay distributions, create liens on assets, make investments, make acquisitions and engage in mergers or consolidations. The Credit Facilities also include change of control provisions that accelerate the indebtedness under the facility in the event of certain change of control events. Complying with these restrictions may prevent the Operating Company from taking actions that we believe would help it to grow its business or are otherwise consistent with its investment objective. These restrictions could also limit the Operating Company’s ability to plan for or react to market conditions or meet

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extraordinary capital needs or otherwise restrict corporate activities. In addition, the restrictions contained in the Credit Facilities could limit the Operating Company’s ability to make distributions to its members in certain circumstances which could result in NMFC failing to qualify as a RIC and thus becoming subject to corporate-level federal income tax (and any applicable state and local taxes).

The breach of any of the covenants or restrictions unless cured within the applicable grace period, would result in a default under the respective Credit Facilities that would permit the lender to declare all amounts outstanding to be due and payable. In such an event, the Operating Company may not have sufficient assets to repay such indebtedness. As a result, any default could have serious consequences to our financial condition. An event of default or an acceleration under the Credit Facilities could also cause a cross-default or cross-acceleration of another debt instrument or contractual obligation, which would adversely impact the Operating Company’s liquidity. An event of default under the Holdings Credit Facility will trigger an event of default under the SLF Credit Facility. The Operating Company may not be granted waivers or amendments to the Credit Facilities if for any reason it is unable to comply with it, and the Operating Company may not be able to refinance the Credit Facilities on terms acceptable to it, or at all.

The Operating Company may enter into reverse repurchase agreements, which are another form of leverage.

Subject to limitations in the Credit Facilities, the Operating Company may enter into reverse repurchase agreements as part of its management of its investment portfolio. Under a reverse repurchase agreement, the Operating Company will effectively pledge its assets as collateral to secure a short-term loan. Generally, the other party to the agreement makes the loan in an amount equal to a percentage of the fair value of the pledged collateral. At the maturity of the reverse repurchase agreement, the payor will be required to repay the loan and correspondingly receive back its collateral. While used as collateral, the assets continue to pay principal and interest which are for the benefit of the Operating Company.

The Operating Company’s use of reverse repurchase agreements, if any, involves many of the same risks involved in its use of leverage, as the proceeds from reverse repurchase agreements generally will be invested in additional securities. There is a risk that the market value of the securities acquired with the proceeds of a reverse repurchase agreement may decline below the price of the securities that it has sold but remains obligated to repurchase under the reverse repurchase agreement. In addition, there is a risk that the market value of the securities effectively pledged by the Operating Company may decline. If a buyer of securities under a reverse repurchase agreement were to file for bankruptcy or experience insolvency, the Operating Company may be adversely affected. Also, in entering into reverse repurchase agreements, the Operating Company would bear the risk of loss to the extent that the proceeds of such agreements at settlement are more than the fair value of the underlying securities being pledged. In addition, due to the interest costs associated with reverse repurchase agreements transactions, the Operating Company’s net asset value would decline, and, in some cases, we may be worse off than if such instruments had not been used.

If the Operating Company is unable to obtain additional debt financing, or if its borrowing capacity is materially reduced, our business could be materially adversely affected.

The Operating Company may want to obtain additional debt financing, or need to do so upon maturity of its Credit Facilities, in order to obtain funds which may be made available for investments. The Operating Company is restricted from incurring additional indebtedness under the Credit Facilities without lender consent. The revolving period under the Holdings Credit Facility ends on October 21, 2013, and the Holdings Credit Facility matures on October 21, 2015. The revolving period under the SLF Credit Facility ends on October 27, 2013, and the SLF Credit Facility matures on October 27, 2015. If the Operating Company is unable to increase, renew or replace any such facility and enter into a new debt financing facility or other debt financing on commercially reasonable terms, its liquidity may be reduced significantly. In addition, if the Operating Company is unable to repay amounts outstanding under any such facilities and is declared in default or is unable to renew or refinance

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these facilities, it may not be able to make new investments or operate our business in the normal course. These situations may arise due to circumstances that the Operating Company may be unable to control, such as lack of access to the credit markets, a severe decline in the value of the U.S. dollar, a further economic downturn or an operational problem that affects third parties or the Operating Company, and could materially damage the Operating Company’s business operations and, consequently, NMFC’s business, results of operations and financial condition.

An extended continuation of the disruption in the capital markets and the credit markets could adversely affect our business.

As BDCs, NMFC and the Operating Company must maintain its ability to raise additional capital for investment purposes. If NMFC or the Operating Company is unable to access the capital markets or credit markets, the Operating Company may be forced to curtail its business operations and may be unable to pursue new investment opportunities. The capital markets and the credit markets have experienced extreme volatility in recent periods, and, as a result, there has been and will likely continue to be uncertainty in the financial markets in general. Disruptions in the capital markets increased the spread between the yields realized on risk-free and higher risk securities, resulting in illiquidity in parts of the capital markets. In addition, a prolonged period of market illiquidity may cause the Operating Company to reduce the volume of loans it originates and/or funds and adversely affect the value of our portfolio investments. Unfavorable economic conditions could also increase the Operating Company’s funding costs, limit its access to the capital markets or result in a decision by lenders not to extend credit to the Operating Company. These events could limit the Operating Company’s investment originations, limit its ability to grow and negatively impact our operating results. Ongoing disruptive conditions in the financial industry and the impact of new legislation in response to those conditions could restrict the Operating Company’s business operations and, consequently, could adversely impact NMFC’s business, results of operations and financial condition.

If the fair value of the Operating Company’s assets declines substantially, it may fail to maintain the asset coverage ratios imposed upon it by the 1940 Act and contained in its Credit Facilities. Any such failure would affect the Operating Company’s ability to issue senior securities, including borrowings, draw on its Credit Facilities and pay distributions, which could materially impair its business operations. The Operating Company’s liquidity could be impaired further by NMFC or the Operating Company’s inability to access the capital or credit markets. For example, we cannot be certain that the Operating Company will be able to renew its credit facilities as they mature or to consummate new borrowing facilities to provide capital for normal operations, including new originations. Reflecting concern about the stability of the financial markets, many lenders and institutional investors have reduced or ceased providing funding to borrowers. This market turmoil and tightening of credit have led to increased market volatility and widespread reduction of business activity generally. In addition, adverse economic conditions due to these disruptive conditions could materially impact the Operating Company’s ability to comply with the financial and other covenants in any existing or future credit facilities. If the Operating Company is unable to comply with these covenants, its business could be materially adversely affected, which could, as a result, materially adversely affect NMFC’s business, results of operations and financial condition.

Changes in interest rates may affect the Operating Company’s cost of capital and net investment income.

To the extent the Operating Company borrows money to make investments, the Operating Company’s net investment income depend, in part, upon the difference between the rate at which it borrows funds and the rate at which it invests those funds. As a result, a significant change in market interest rates may have a material adverse effect on the Operating Company’s net investment income in the event it uses debt to finance its investments. In periods of rising interest rates, the Operating Company’s cost of funds would increase, which could reduce its net investment income. The Operating Company may use interest rate risk management techniques in an effort to limit its exposure to interest rate fluctuations. These techniques may include various interest rate hedging activities to the extent permitted by the 1940 Act.

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The incentive fee the Operating Company pays to the Investment Adviser with respect to capital gains may be effectively greater than 20.0%.

As a result of the operation of the cumulative method of calculating the capital gains portion of the incentive fee the Operating Company pays to the Investment Adviser, the cumulative aggregate capital gains fee received by the Investment Adviser could be effectively greater than 20.0%, depending on the timing and extent of subsequent net realized capital losses or net unrealized depreciation. We cannot predict whether, or to what extent, this payment calculation would affect your investment in NMFC common stock.

RISKS RELATED TO OUR OPERATIONS

Because the Operating Company intends to make distributions to its members that will be sufficient to enable NMFC to obtain and maintain its status as a RIC, and because NMFC intends to distribute substantially all of its income to its stockholders to obtain and maintain its status as a RIC, the Operating Company will continue to need additional capital to finance its growth. If additional funds are unavailable or not available on favorable terms, the Operating Company’s ability to grow may be impaired.

In order for NMFC to qualify for the tax benefits available to RICs and to avoid payment of excise taxes, the Operating Company intends to make distributions to its members that will be sufficient to enable NMFC to obtain and maintain its status as a RIC, and NMFC intends to distribute to its stockholders substantially all of its annual taxable income, except that NMFC may retain certain net capital gains for reinvestment in units of the Operating Company, and treat such amounts as deemed distributions to its stockholders. If NMFC elects to treat any amounts as deemed distributions, NMFC must pay income taxes at the corporate rate on such deemed distributions on behalf of its stockholders. As a result of these requirements, NMFC and the Operating Company may need to raise capital from other sources to grow its business.

As a BDC, the Operating Company is required to meet a coverage ratio of total assets, less liabilities and indebtedness not represented by senior securities, to total senior securities, which includes all of the Operating Company’s borrowings and any outstanding preferred membership units, of at least 200.0%. The Operating Company consolidates the assets and liabilities of NMF SLF for the purposes of its financial statements and calculating compliance with the 200.0% asset coverage ratio. Since NMFC has no assets other than its ownership of units of the Operating Company and has no material long-term liabilities, NMFC looks to the Operating Company’s assets for purposes of satisfying this test. These requirements limit the amount that the Operating Company may borrow. Because the Operating Company continues to need capital to grow its investment portfolio, these limitations may prevent the Operating Company from incurring debt and require NMFC to raise additional equity at a time when it may be disadvantageous to do so. While we expect the Operating Company will be able to borrow and to issue additional debt securities and expect that NMFC will be able to issue additional equity securities, which would in turn increase the equity capital available to the Operating Company, we cannot assure you that debt and equity financing will be available to the Operating Company on favorable terms, or at all. In addition, as a BDC, NMFC generally is not permitted to issue equity securities priced below net asset value without stockholder approval. If additional funds are not available to NMFC or the Operating Company, the Operating Company may be forced to curtail or cease new investment activities, and the Operating Company’s net asset value and, consequently, NMFC’s net asset value, could decline.

Our ability to enter into transactions with our affiliates is restricted.

As BDCs, the New Mountain Finance Entities are prohibited under the 1940 Act from participating in certain transactions with their respective affiliates without the prior approval of their respective independent directors and, in some cases, the SEC. Any person that owns, directly or indirectly, 5.0% or more of NMFC’s outstanding voting securities is an affiliate of the New Mountain Finance Entities for purposes of the 1940 Act.

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The New Mountain Finance Entities are generally prohibited from buying or selling any securities (other than their respective securities) from or to an affiliate. The 1940 Act also prohibits certain “joint” transactions with an affiliate, which could include investments in the same portfolio company (whether at the same or different times), without prior approval of independent directors and, in some cases, the SEC. If a person acquires more than 25.0% of NMFC’s voting securities, the New Mountain Finance Entities are prohibited from buying or selling any security (other than their respective securities) from or to such person or certain of that person’s affiliates, or entering into prohibited joint transactions with such persons, absent the prior approval of the SEC. Similar restrictions limit the New Mountain Finance Entities’ ability to transact business with their respective officers or directors or their affiliates. As a result of these restrictions, the Operating Company may be prohibited from buying or selling any security from or to any portfolio company of a private equity fund managed by any affiliate of the Investment Adviser without the prior approval of the SEC, which may limit the scope of investment opportunities that would otherwise be available to the Operating Company.

The Investment Adviser has significant potential conflicts of interest with NMFC and the Operating Company and, consequently, your interests as stockholders which could adversely impact our investment returns.

The New Mountain Finance Entities’ executive officers and directors, as well as the current or future investment professionals of the Investment Adviser, serve or may serve as officers, directors or principals of entities that operate in the same or a related line of business as we do or of investment funds managed by the New Mountain Finance Entities’ affiliates. Accordingly, they may have obligations to investors in those entities, the fulfillment of which might not be in your interests as stockholders. Although we are currently New Mountain Capital’s only vehicle focused primarily on investing in the investments that we target, in the future, the investment professionals of the Investment Adviser and/or New Mountain Capital employees that provide services pursuant to the Investment Management Agreement may manage other funds which may from time to time have overlapping investment objectives with our own and, accordingly, may invest in, whether principally or secondarily, asset classes similar to those targeted by us. If this occurs, the Investment Adviser may face conflicts of interest in allocating investment opportunities to the Operating Company and such other funds. Although the investment professionals endeavor to allocate investment opportunities in a fair and equitable manner, it is possible that the Operating Company may not be given the opportunity to participate in certain investments made by the Investment Adviser or persons affiliated with the Investment Adviser or that certain of these investment funds may be favored over the Operating Company. When these investment professionals identify an investment, they may be forced to choose which investment fund should make the investment.

If the Investment Adviser forms other affiliates in the future, the Operating Company may co-invest on a concurrent basis with such other affiliate, subject to compliance with applicable regulations and regulatory guidance or an exemptive order from the SEC and the Operating Company’s allocation procedures. In addition, the Operating Company pays management and incentive fees to the Investment Adviser and reimburses the Investment Adviser for certain expenses it incurs. As a result, investors in NMFC’s common stock invest in NMFC and indirectly in the Operating Company, on a “gross” basis and receive distributions on a “net” basis after NMFC’s pro rata share of the Operating Company’s expenses. Also, the incentive fee payable to the Investment Adviser may create an incentive for the Investment Adviser to pursue investments that are riskier or more speculative than would be the case in the absence of such compensation arrangements. Any potential conflict of interest arising as a result of the arrangements with the Investment Adviser could have a material adverse effect on our business, results of operations and financial condition.

The Investment Committee, the Investment Adviser or its affiliates may, from time to time, possess material non-public information, limiting the Operating Company’s investment discretion.

The Investment Adviser’s investment professionals, Investment Committee or their respective affiliates may serve as directors of, or in a similar capacity with, companies in which we invest through the Operating Company, the securities of which are purchased or sold on the Operating Company’s behalf. In the event that

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material non-public information is obtained with respect to such companies, or we become subject to trading restrictions under the internal trading policies of those companies or as a result of applicable law or regulations, the Operating Company could be prohibited for a period of time from purchasing or selling the securities of such companies, and this prohibition may have an adverse effect on the Operating Company and, consequently, your interests as stockholders of NMFC.

The valuation process for certain of the Operating Company’s portfolio holdings creates a conflict of interest.

Some of the Operating Company’s portfolio investments are made in the form of securities that are not publicly traded. As a result, the Operating Company’s board of directors determines the fair value of these securities in good faith. In connection with this determination, investment professionals from the Investment Adviser may provide the Operating Company’s board of directors with portfolio company valuations based upon the most recent portfolio company financial statements available and projected financial results of each portfolio company. In addition, Steven B. Klinsky, a member of the New Mountain Finance Entities’ board of directors, has an indirect pecuniary interest in the Investment Adviser. The participation of the Investment Adviser’s investment professionals in the Operating Company’s valuation process, and the indirect pecuniary interest in the Investment Adviser by a member of the New Mountain Finance Entities’ board of directors, could result in a conflict of interest as the Investment Adviser’s management fee is based, in part, on the Operating Company’s gross assets and incentive fees are based, in part, on unrealized gains and losses.

Conflicts of interest may exist related to other arrangements with the Investment Adviser or its affiliates.

The New Mountain Finance Entities have entered into a royalty-free license agreement with New Mountain Capital under which New Mountain Capital has agreed to grant the New Mountain Finance Entities a non-exclusive, royalty-free license to use the name “New Mountain”. In addition, the Operating Company reimburses the Administrator for the allocable portion of overhead and other expenses incurred by the Administrator in performing its obligations to the New Mountain Finance Entities under the Administration Agreement, such as rent and the allocable portion of the cost of the New Mountain Finance Entities’ chief financial officer and chief compliance officer and their respective staffs. This could create conflicts of interest that the Operating Company’s board of directors must monitor.

The Investment Management Agreement with the Investment Adviser and the Administration Agreement with the Administrator were not negotiated on an arm’s length basis.

The Investment Management Agreement and the Administration Agreement were negotiated between related parties. In addition, the New Mountain Finance Entities may choose not to enforce, or to enforce less vigorously, their respective rights and remedies under these agreements because of their desire to maintain their ongoing relationship with the Investment Adviser, the Administrator and their respective affiliates. Any such decision, however, could cause NMFC to breach its fiduciary obligations to its stockholders.

The Investment Adviser’s liability is limited under the Investment Management Agreement, and the Operating Company has agreed to indemnify the Investment Adviser against certain liabilities, which may lead the Investment Adviser to act in a riskier manner than it would when acting for its own account.

Under the Investment Management Agreement, the Investment Adviser does not assume any responsibility other than to render the services called for under that agreement, and it is not responsible for any action of the Operating Company’s board of directors in following or declining to follow the Investment Adviser’s advice or recommendations. Under the terms of the Investment Management Agreement, the Investment Adviser, its officers, members, personnel, any person controlling or controlled by the Investment Adviser are not liable to the New Mountain Finance Entities, their subsidiaries or any of their respective directors, members or stockholders or any subsidiary’s stockholders or partners for acts or omissions performed in accordance with and pursuant to

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the Investment Management Agreement, except those resulting from acts constituting gross negligence, willful misconduct, bad faith or reckless disregard of the Investment Adviser’s duties under the Investment Management Agreement. In addition, the Operating Company has agreed to indemnify the Investment Adviser and each of its officers, directors, members, managers and employees from and against any claims or liabilities, including reasonable legal fees and other expenses reasonably incurred, arising out of or in connection with our business and operations or any action taken or omitted pursuant to authority granted by the Investment Management Agreement, except where attributable to gross negligence, willful misconduct, bad faith or reckless disregard of such person’s duties under the Investment Management Agreement. These protections may lead the Investment Adviser to act in a riskier manner than it would when acting for its own account.

The Investment Adviser can resign upon 60 days’ notice, and a suitable replacement may not be found within that time, resulting in disruptions in the Operating Company’s operations that could adversely affect our business, results of operations and financial condition.

Under the Investment Management Agreement, the Investment Adviser has the right to resign at any time upon 60 days’ written notice, whether a replacement has been found or not. If the Investment Adviser resigns, the Operating Company may not be able to find a new investment adviser or hire internal management with similar expertise and ability to provide the same or equivalent services on acceptable terms within 60 days, or at all. If a replacement is not able to be found on a timely basis, our business, results of operations and financial condition and the Operating Company’s ability to pay distributions are likely to be materially adversely affected and the market price of NMFC’s common stock may decline. In addition, if the Operating Company is unable to identify and reach an agreement with a single institution or group of executives having the expertise possessed by the Investment Adviser and its affiliates, the coordination of its internal management and investment activities is likely to suffer. Even if the Operating Company is able to retain comparable management, whether internal or external, their integration into the Operating Company’s business and lack of familiarity with the Operating Company’s investment objective may result in additional costs and time delays that may materially adversely affect our business, results of operations and financial condition.

The Administrator can resign upon 60 days notice from its role as Administrator under the Administration Agreement, and a suitable replacement may not be found, resulting in disruptions that could adversely affect our business, results of operations and financial condition.

The Administrator has the right to resign under the Administration Agreement upon 60 days’ written notice, whether a replacement has been found or not. If the Administrator resigns, it may be difficult to find a new administrator or hire internal management with similar expertise and ability to provide the same or equivalent services on acceptable terms, or at all. If a replacement is not found quickly, our business, results of operations and financial condition as well as the Operating Company’s ability to pay distributions are likely to be adversely affected and the market price of NMFC’s common stock may decline. In addition, the coordination of the New Mountain Finance Entities’ internal management and administrative activities is likely to suffer if they are unable to identify and reach an agreement with a service provider or individuals with the expertise possessed by the Administrator. Even if a comparable service provider or individuals to perform such services are retained, whether internal or external, their integration into the Operating Company’s business and lack of familiarity with the Operating Company’s investment objective may result in additional costs and time delays that may materially adversely affect our business, results of operations and financial condition.

If the New Mountain Finance Entities fail to maintain their status as BDCs, our business and operating flexibility could be significantly reduced.

The New Mountain Finance Entities qualify as BDCs under the 1940 Act. The 1940 Act imposes numerous constraints on the operations of BDCs. For example, BDCs are required to invest at least 70.0% of their total assets in specified types of securities, primarily in private companies or thinly-traded U.S. public companies, cash, cash equivalents, U.S. government securities and other high quality debt investments that mature in

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one year or less. Failure to comply with the requirements imposed on BDCs by the 1940 Act could cause the SEC to bring an enforcement action against the New Mountain Finance Entities and/or expose the New Mountain Finance Entities to claims of private litigants. In addition, upon approval of a majority of NMFC’s stockholders, or, in the Operating Company’s case, a majority of its members voting on a pass through basis, the New Mountain Finance Entities may elect to withdraw their respective election as a BDC. If the New Mountain Finance Entities decide to withdraw their election, or if the New Mountain Finance Entities otherwise fail to qualify, or maintain their qualification, as BDCs, the New Mountain Finance Entities may be subject to the substantially greater regulation under the 1940 Act as a closed-end investment company. Compliance with these regulations would significantly decrease our operating flexibility and could significantly increase our cost of doing business.

If the Operating Company does not invest a sufficient portion of its assets in qualifying assets, it could be precluded from investing in certain assets or could be required to dispose of certain assets, which could have a material adverse effect on our business, financial condition and results of operations.

As a BDC, the Operating Company is prohibited from acquiring any assets other than “qualifying assets” unless, at the time of and after giving effect to such acquisition, at least 70.0% of our total assets are qualifying assets. We may acquire in the future other investments that are not “qualifying assets” to the extent permitted by the 1940 Act. If the Operating Company does not invest a sufficient portion of its assets in qualifying assets, it would be prohibited from investing in additional assets, which could have a material adverse effect on our business, financial condition and results of operations. Similarly, these rules could prevent the Operating Company from making follow-on investments in existing portfolio companies (which could result in the dilution of its position) or could require the Operating Company to dispose of investments at inopportune times in order to come into compliance with the 1940 Act. If the Operating Company needs to dispose of these investments quickly, it may be difficult to dispose of such investments on favorable terms. For example, the Operating Company may have difficulty in finding a buyer and, even if a buyer is found, it may have to sell the investments at a substantial loss.

The Operating Company’s ability to invest in public companies may be limited in certain circumstances.

To maintain the Operating Company’s status, and consequently, NMFC’s status as a BDC, the Operating Company is not permitted to acquire any assets other than “qualifying assets” specified in the 1940 Act unless, at the time the acquisition is made, at least 70.0% of its total assets are qualifying assets (with certain limited exceptions). Subject to certain exceptions for follow-on investments and distressed companies, an investment in an issuer that has outstanding securities listed on a national securities exchange may be treated as qualifying assets only if such issuer has a common equity market capitalization that is less than $250.0 million at the time of such investment.

Regulations governing the operations of BDCs will affect our ability to raise additional equity capital as well as our ability to issue senior securities or borrow for investment purposes, any or all of which could have a negative effect on our investment objectives and strategies.

Our business requires a substantial amount of capital. The Operating Company may acquire additional capital from the issuance of senior securities, including borrowing or other indebtedness. In addition, NMFC may also issue additional equity capital, which would in turn increase the equity capital available to the Operating Company. Under the 1940 Act, NMFC is not permitted to own any other securities other than units of the Operating Company. As a result, any proceeds from offerings of NMFC’s equity securities would be contributed to the Operating Company and subsequently used by the Operating Company for investment purposes. However, NMFC and the Operating Company may not be able to raise additional capital in the future on favorable terms or at all.

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The Operating Company may issue debt securities, other evidences of indebtedness or preferred membership units, and it may borrow money from banks or other financial institutions, which we refer to collectively as “senior securities”, up to the maximum amount permitted by the 1940 Act. The 1940 Act permits the Operating Company to issue senior securities in amounts such that its asset coverage, as defined in the 1940 Act, equals at least 200.0% after each issuance of senior securities. The Operating Company consolidates the assets and liabilities of NMF SLF for purposes of its financial statements and calculating compliance with the 200.0% asset coverage ratio. If the Operating Company’s asset coverage ratio is not at least 200.0%, it would be unable to issue senior securities, and if it had senior securities outstanding (other than any indebtedness issued in consideration of a privately arranged loan, such as any indebtedness outstanding under the Credit Facilities), it would be unable to make distributions to its members and, consequently, NMFC would be unable to pay dividends. However, at December 31, 2011, the only senior securities outstanding were indebtedness under the Credit Facilities and therefore at December 31, 2011, the Operating Company would not have been precluded from paying distributions. If the value of the Operating Company’s or NMF SLF’s assets declines, the Operating Company may be unable to satisfy this test. If that happens, the Operating Company or NMF SLF may be required to liquidate a portion of its investments and repay a portion of its indebtedness at a time when such sales may be disadvantageous.

The Holdings Credit Facility matures on October 21, 2015 and permits borrowings of $160.0 million. The Holdings Credit Facility had $151.9 million in debt outstanding as of March 31, 2012. The SLF Credit Facility matures on October 27, 2015 and permits borrowings of $175.0 million. The SLF Credit Facility had $175.0 million in debt outstanding as of March 31, 2012.

In addition, the Operating Company may in the future seek to securitize other portfolio securities to generate cash for funding new investments. To securitize loans, the Operating Company would likely create a wholly-owned subsidiary and contribute a pool of loans to the subsidiary. The Operating Company would then sell interests in the subsidiary on a non-recourse basis to purchasers and it would retain all or a portion of the equity in the subsidiary. If the Operating Company is unable to successfully securitize its loan portfolio, which must be done in compliance with the relevant restrictions in the Credit Facilities, its ability to grow its business or fully execute its business strategy could be impaired and our earnings, if any, could decrease. The securitization market is subject to changing market conditions and the Operating Company may not be able to access this market when it would otherwise deem appropriate. Moreover, the successful securitization of the Operating Company’s portfolio might expose the Operating Company to losses as the residual investments in which it does not sell interests will tend to be those that are riskier and more apt to generate losses. The 1940 Act also may impose restrictions on the structure of any securitization.

NMFC may also obtain capital for use by the Operating Company through the issuance of additional equity capital, which would in turn increase the equity capital available to the Operating Company. As a BDC, NMFC generally is not able to issue or sell its common stock at a price below net asset value per share. If NMFC’s common stock trades at a discount to its net asset value per share, this restriction could adversely affect its ability to raise equity capital. NMFC may, however, sell its common stock, or warrants, options or rights to acquire its common stock, at a price below its net asset value per share of the common stock if its board of directors and independent directors determine that such sale is in its best interests and the best interests of its stockholders, and its stockholders approve such sale. In any such case, the price at which NMFC’s securities are to be issued and sold may not be less than a price that, in the determination of NMFC’s board of directors, closely approximates the market value of such securities (less any underwriting commission or discount). If NMFC raises additional funds by issuing more shares of its common stock or if the Operating Company issues senior securities convertible into, or exchangeable for, NMFC’s common stock, the percentage ownership of NMFC’s stockholders may decline and you may experience dilution. Any proceeds from the issuance of additional shares of NMFC’s common stock would be contributed to the Operating Company and used to purchase, on a one-for-one basis, additional units of the Operating Company.

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The Operating Company’s business model in the future may depend to an extent upon our referral relationships with private equity sponsors, and the inability of the investment professionals of the Investment Adviser to maintain or develop these relationships, or the failure of these relationships to generate investment opportunities, could adversely affect its business strategy.

If the investment professionals of the Investment Adviser fail to maintain existing relationships or develop new relationships with other sponsors or sources of investment opportunities, the Operating Company may not be able to grow our investment portfolio. In addition, individuals with whom the investment professionals of the Investment Adviser have relationships are not obligated to provide the Operating Company with investment opportunities, and, therefore, there is no assurance that any relationships they currently or may in the future have will generate investment opportunities for the Operating Company.

We may experience fluctuations in our annual and quarterly results due to the nature of our business.

We could experience fluctuations in our annual and quarterly operating results due to a number of factors, some of which are beyond our control, including the ability or inability of the Operating Company to make investments in companies that meet its investment criteria, the interest rate payable on the debt securities acquired and the default rate on such securities, the level of the Operating Company’s expenses, variations in and the timing of the recognition of realized and unrealized gains or losses, the degree to which the Operating Company encounters competition in the markets in which it operates and general economic conditions. As a result of these factors, results for any period should not be relied upon as being indicative of performance in future periods.

The Operating Company’s board of directors may change its investment objective, operating policies and strategies without prior notice or member approval, the effects of which may be adverse to your interest as a stockholder.

The Operating Company’s board of directors has the authority, except as otherwise provided in the 1940 Act, to modify or waive certain of its operating policies and strategies without prior notice and without member approval. As a result, the Operating Company’s board of directors may be able to change its investment policies and objectives without any input from NMFC’s stockholders. However, absent member approval, voting on a pass through basis, the Operating Company may not change the nature of its business so as to cease to be, or withdraw its election as, a BDC. Under Delaware law and the Operating Company’s Limited Liability Company Agreement, the Operating Company also cannot be dissolved without prior member approval, voting on a pass through basis. The stockholders of NMFC collectively own approximately 34.6% of the units of the Operating Company. As a result, the stockholders of NMFC, collectively, may not be able to influence the outcome of matters requiring a vote, on a pass through basis and your ability to terminate the Investment Management Agreement may be limited. We cannot predict the effect any changes to the Operating Company’s current operating policies and strategies would have on our business, operating results and the market price of NMFC’s common stock. Nevertheless, any such changes could adversely affect our business and impair the Operating Company’s ability to make distributions to its members, and, consequently, NMFC’s ability to make distributions to its stockholders.

NMFC will be subject to corporate-level federal income tax on all of its income if it is unable to maintain RIC status under Subchapter M of the Code, which would have a material adverse effect on its respective financial performance.

Although NMFC intends to qualify annually as a RIC under Subchapter M of the Code, commencing with its taxable year ending on December 31, 2011, no assurance can be given that NMFC will be able to maintain its RIC status. To maintain RIC status and be relieved of federal income taxes on income and gains distributed to its stockholders, NMFC must meet the annual distribution, source-of-income and asset diversification requirements described below. However, NMFC has no assets, other than its direct ownership of units of the Operating

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Company, and no source of cash flow, other than distributions from the Operating Company. NMFC is not permitted to conduct any business or ventures, other than in connection with the acquisition, ownership or disposition of units of the Operating Company and its operation as a public reporting company. Accordingly, NMFC looks to the assets and income of the Operating Company, and relies on the distributions made by the Operating Company to their members, for purposes of satisfying these requirements.

Although there is no authority directly applicable to NMFC and thus the matter is not free from doubt, it is expected that NMFC is treated as if it directly invested in its pro rata share of the Operating Company’s assets for purposes of satisfying the asset diversification requirement. However, there can be no assurance that the IRS will not successfully assert that NMFC does not meet the asset diversification requirement because it is unable to look to the Operating Company’s assets for purpose of that requirement. In that case, NMFC would fail to qualify as a RIC and thus become subject to corporate-level federal income tax (and any applicable state and local taxes).

If NMFC fails to qualify for or maintain its RIC status for any reason, and NMFC does not qualify for certain relief provisions under the Code, NMFC would be subject to corporate-level federal income tax (and any applicable state and local taxes). In this event, the resulting taxes could substantially reduce NMFC’s net assets, the amount of income available for distribution and the amount of its distributions, which would have a material adverse effect on its financial performance.

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You may have current tax liabilities on distributions you reinvest in common stock of NMFC.

Under the dividend reinvestment plan, if you own shares of common stock of NMFC registered in your own name, you will have all cash distributions automatically reinvested in additional shares of common stock of NMFC unless you opt out of the dividend reinvestment plan by delivering notice by phone, internet or in writing to the plan administrator at least three days prior to the payment date of the next dividend or distribution. If you have not “opted out” of the dividend reinvestment plan, you will be deemed to have received, and for federal income tax purposes will be taxed on, the amount reinvested in common stock of NMFC to the extent the amount reinvested was not a tax-free return of capital. As a result, you may have to use funds from other sources to pay your federal income tax liability on the value of the common stock received.

NMFC may not be able to pay you distributions on its common stock, its distributions to you may not grow over time and a portion of their distributions to you may be a return of capital for federal income tax purposes.

NMFC intends to pay quarterly distributions to its stockholders out of assets legally available for distribution. We cannot assure you that we will continue to achieve investment results that will allow NMFC to make a specified level of cash distributions or year-to-year increases in cash distributions. If the Operating Company is unable to satisfy the asset coverage test applicable to it as a BDC, or if it violates certain covenants under the Credit Facilities, the Operating Company’s ability to pay distributions to its members could be limited, thereby limiting NMFC’s ability to pay distributions to its stockholders. All distributions are paid at the discretion of the Operating Company’s board of directors and depend on its earnings, financial condition, maintenance of NMFC’s RIC status, compliance with applicable BDC regulations, compliance with covenants under the Credit Facilities, and such other factors as the Operating Company’s board of directors may deem relevant from time to time. The distributions NMFC pays to its stockholders in a year may exceed its taxable income for that year and, accordingly, a portion of such distributions may constitute a return of capital for federal income tax purposes.

In addition, because NMFC is a holding company, NMFC is only able to pay distributions on its common stock from distributions received from the Operating Company. The Operating Company intends to make distributions to its members that will be sufficient to enable NMFC to pay quarterly distributions to its stockholders and to obtain and maintain its status as a RIC. However, there can be no assurances that the Operating Company will make distributions to its members in the future. Accordingly, NMFC cannot assure you that it will pay distributions to you in the future.

NMFC may have difficulty paying its required distributions if the Operating Company recognizes taxable income before or without receiving cash representing such income.

For federal income tax purposes, NMFC includes in its taxable income its allocable share of certain amounts that the Operating Company has not yet received in cash, such as original issue discount or accruals on a contingent payment debt instrument, which may occur if the Operating Company receives warrants in connection with the origination of a loan or possibly in other circumstances or contracted payment-in-kind (“PIK”) interest, which generally represents contractual interest added to the loan balance and due at the end of the loan term. NMFC’s allocable share of such original issue discount and PIK interest are included in NMFC’s taxable income before the Operating Company receives any corresponding cash payments. NMFC also may be required to include in its taxable income their allocable share of certain other amounts that the Operating Company will not receive in cash.

Because in certain cases the Operating Company may recognize taxable income before or without receiving cash representing such income, the Operating Company may have difficulty making distributions to the Operating Company’s members that will be sufficient to enable NMFC to meet the annual distribution requirement necessary for NMFC to qualify as a RIC. Accordingly, the Operating Company may need to sell some of its assets at times and/or at prices that it would not consider advantageous, NMFC or the Operating

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Company may need to raise additional equity or debt capital, or the Operating Company may need to forego new investment opportunities or otherwise take actions that are disadvantageous to its business (or be unable to take actions that are advantageous to its business) to enable the Operating Company to make distributions to its members that will be sufficient to enable NMFC to meet the annual distribution requirement. If NMFC or the Operating Company are unable to obtain cash from other sources to enable NMFC to meet the annual distribution requirement, NMFC may fail to qualify for the federal income tax benefits allowable to RICs and, thus, become subject to a corporate-level federal income tax (and any applicable state and local taxes).

Changes in laws or regulations governing the Operating Company’s operations may adversely affect our business or cause the Operating Company to alter its business strategy.

Changes in the laws or regulations or the interpretations of the laws and regulations that govern BDCs, RICs or non-depository commercial lenders could significantly affect our operations and our cost of doing business. The New Mountain Finance Entities and the Operating Company’s portfolio companies are subject to federal, state and local laws and regulations. New legislation may be enacted or new interpretations, rulings or regulations could be adopted, any of which could materially adversely affect our business, including with respect to the types of investments the Operating Company is permitted to make, and your interest as a stockholder potentially with retroactive effect. In addition, any changes to the laws and regulations governing the Operating Company’s operations relating to permitted investments may cause the Operating Company to alter its investment strategy in order to avail itself of new or different opportunities. These changes could result in material changes to the strategies and plans set forth in this prospectus and may result in the Operating Company’s investment focus shifting from the areas of expertise of the Investment Adviser to other types of investments in which the Investment Adviser may have less expertise or little or no experience. Any such changes, if they occur, could have a material adverse effect on our business, results of operations and financial condition and, consequently, the value of your investment in us.

On July 21, 2010, the Dodd-Frank Wall Street Reform and Consumer Protection Act, or Dodd-Frank, became law. The scope of Dodd-Frank impacts many aspects of the financial services industry, and it requires the development and adoption of many implementing regulations over the next several months and years. The effects of Dodd-Frank on the financial services industry will depend upon the timing and substance of regulations adopted by the various regulatory authorities to implement Dodd-Frank.

The affect of global climate change may impact the operations of the Operating Company’s portfolio companies.

There may be evidence of global climate change. Climate change creates physical and financial risk and some of the Operating Company’s portfolio companies may be adversely affected by climate change. For example, the needs of customers of energy companies vary with weather conditions, primarily temperature and humidity. To the extent weather conditions are affected by climate change, energy use could increase or decrease depending on the duration and magnitude of any changes. Increases in the cost of energy could adversely affect the cost of operations of the Operating Company’s portfolio companies if the use of energy products or services is material to their business. A decrease in energy use due to weather changes may affect some of the Operating Company’s portfolio companies’ financial condition, through decreased revenues. Extreme weather conditions in general require more system backup, adding to costs, and can contribute to increased system stresses, including service interruptions.

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NMFC incurs significant costs as a result of being a publicly traded company.

As a publicly traded company, NMFC incurs legal, accounting and other expenses, which are paid by the Operating Company, including costs associated with the periodic reporting requirements applicable to a company whose securities are registered under the Exchange Act, as well as additional corporate governance requirements, including requirements under the Sarbanes-Oxley Act of 2002, or the “Sarbanes-Oxley Act”, and other rules implemented by the SEC.

Efforts to comply with Section 404 of the Sarbanes-Oxley Act involve significant expenditures, and non-compliance with Section 404 of the Sarbanes-Oxley Act may adversely affect NMFC and the market price of NMFC’s common stock.

The New Mountain Finance Entities are subject to the Sarbanes-Oxley Act, and the related rules and regulations promulgated by the SEC. Under current SEC rules, beginning with our fiscal year ending December 31, 2012, the Operating Company’s management will be required to report on their internal control over financial reporting pursuant to Section 404 of the Sarbanes-Oxley Act, and rules and regulations of the SEC thereunder. The New Mountain Finance Entities will be required to review on an annual basis their respective internal control over financial reporting, and on a quarterly and annual basis to evaluate and disclose changes in our respective internal control over financial reporting. As a result, the New Mountain Finance Entities expect to incur significant additional expenses in the near term, which may negatively impact the Operating Company’s financial performance and the Operating Company’s ability to make distributions to its members and, consequently, NMFC’s ability to make distributions to its stockholders. This process also may result in a diversion of management’s time and attention. We cannot be certain as to the timing of completion of any evaluation, testing and remediation actions or the impact of the same on our operations and neither of the New Mountain Finance Entities may be able to ensure that the process is effective or that our internal control over financial reporting is or will be effective in a timely manner. In the event that the New Mountain Finance Entities are unable to maintain or achieve compliance with Section 404 of the Sarbanes-Oxley Act and related rules, the Operating Company and, consequently, the market price of NMFC’s common stock may be adversely affected.

The Operating Company’s business is highly dependent on information systems and systems failures could significantly disrupt our business, which may, in turn, negatively affect the market price of NMFC’s common stock and its ability to pay dividends.

The Operating Company’s business is highly dependent on the communications and information systems of the Investment Adviser and its affiliates. Any failure or interruption of such systems could cause delays or other problems in the Operating Company’s activities. This, in turn, could have a material adverse effect on the Operating Company’s operating results and, consequently, negatively affect the market price of NMFC’s common stock and its ability to pay dividends to its stockholders. In addition, because many of the Operating Company’s portfolio companies operate and rely on network infrastructure and enterprise applications and internal technology systems for development, marketing, operational, support and other business activities, a disruption or failure of any or all of these systems in the event of a major telecommunications failure, cyber-attack, fire, earthquake, severe weather conditions or other catastrophic event could cause system interruptions, delays in product development and loss of critical data and could otherwise disrupt their business operations.

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RISKS RELATING TO THE OPERATING COMPANY’S INVESTMENTS

The Operating Company’s investments in portfolio companies may be risky, and the Operating Company could lose all or part of any of its investments.

Investing in middle market businesses involves a number of significant risks. Among other things, these companies:

In addition, in the course of providing significant managerial assistance to certain of the Operating Company’s portfolio companies, certain of the Operating Company’s officers and directors may serve as directors on the boards of such companies. To the extent that litigation arises out of the Operating Company’s investments in these companies, the Operating Company’s officers and directors may be named as defendants in such litigation, which could result in an expenditure of funds (through the Operating Company’s indemnification of such officers and directors) and the diversion of management time and resources.

The Operating Company’s investment strategy, which is focused primarily on privately held companies, presents certain challenges, including the lack of available information about these companies.

The Operating Company invests primarily in privately held companies. There is generally little public information about these companies, and, as a result, the Operating Company must rely on the ability of the Investment Adviser to obtain adequate information to evaluate the potential returns from, and risks related to, investing in these companies. If the Operating Company is unable to uncover all material information about these companies, it may not make a fully informed investment decision, and it may lose money on its investments. Also, privately held companies frequently have less diverse product lines and smaller market presence than larger competitors. They are, thus, generally more vulnerable to economic downturns and may experience substantial variations in operating results. These factors could adversely affect the Operating Company’s investment returns.

If the Operating Company makes unsecured investments, those investments might not generate sufficient cash flow to service their debt obligations to the Operating Company.

The Operating Company may make unsecured investments. Unsecured investments may be subordinated to other obligations of the obligor. Unsecured investments often reflect a greater possibility that adverse changes in the financial condition of the obligor or general economic conditions (including, for example, a substantial period

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of rising interest rates or declining earnings) or both may impair the ability of the obligor to make payment of principal and interest. If the Operating Company makes an unsecured investment in a portfolio company, that portfolio company may be highly leveraged, and its relatively high debt-to-equity ratio may increase the risk that its operations might not generate sufficient cash to service its debt obligations.

If the Operating Company invests in the securities and obligations of distressed and bankrupt issuers, it might not receive interest or other payments.

From time to time, the Operating Company may invest in other types of investments which are not its primary focus, including investments in the securities and obligations of distressed and bankrupt issuers, including debt obligations that are in covenant or payment default. Such investments generally are considered speculative. The repayment of defaulted obligations is subject to significant uncertainties. Defaulted obligations might be repaid only after lengthy workout or bankruptcy proceedings, during which the issuer of those obligations might not make any interest or other payments.

The lack of liquidity in the Operating Company’s investments may adversely affect our business.

The Operating Company invests, and will continue to invest, in companies whose securities are not publicly traded and whose securities will be subject to legal and other restrictions on resale or will otherwise be less liquid than publicly traded securities. The illiquidity of these investments may make it difficult for the Operating Company to sell these investments when desired. In addition, if the Operating Company is required or otherwise chooses to liquidate all or a portion of its portfolio quickly, it may realize significantly less than the value at which it had previously recorded these investments. The Operating Company’s investments are usually subject to contractual or legal restrictions on resale or are otherwise illiquid because there is usually no established trading market for such investments. Because most of the Operating Company’s investments are illiquid, the Operating Company may be unable to dispose of them in which case NMFC could fail to qualify as a RIC and/or BDC, or the Operating Company may be unable to do so at a favorable price, and, as a result, the Operating Company and NMFC may suffer losses.

Price declines and illiquidity in the corporate debt markets may adversely affect the fair value of the Operating Company’s portfolio investments, reducing the Operating Company’s net asset value through increased net unrealized depreciation.

As a BDC, the Operating Company is required to carry its investments at market value or, if no market value is ascertainable, at fair value as determined in good faith by its board of directors. Because NMFC is a holding company with no direct operations of its own, and its only business and sole asset is its ownership of units of the Operating Company, NMFC’s net asset value will be based on the Operating Company’s valuation of its investments and its percentage interest in the Operating Company. As part of the valuation process, the Operating Company may take into account the following types of factors, if relevant, in determining the fair value of its investments:

When an external event such as a purchase transaction, public offering or subsequent sale occurs, the Operating Company will use the pricing indicated by the external event to corroborate its valuation. The

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Operating Company will record decreases in the market values or fair values of its investments as unrealized depreciation. Declines in prices and liquidity in the corporate debt markets may result in significant net unrealized depreciation in its portfolio. The effect of all of these factors on the Operating Company’s portfolio may reduce the Operating Company’s net asset value, and, indirectly, NMFC’s net asset value based on its percentage interest in the Operating Company, by increasing net unrealized depreciation in the Operating Company’s portfolio. Depending on market conditions, the Operating Company could incur substantial realized losses and may suffer additional unrealized losses in future periods, which could have a material adverse effect on its business, financial condition, results of operations and cash flows.

If the Operating Company is unable to make follow-on investments in its portfolio companies, the value of the Operating Company’s investment portfolio could be adversely affected.

Following an initial investment in a portfolio company, the Operating Company may make additional investments in that portfolio company as “follow-on” investments, in order to (i) increase or maintain in whole or in part its equity ownership percentage, (ii) exercise warrants, options or convertible securities that were acquired in the original or subsequent financing or (iii) attempt to preserve or enhance the value of its investment. The Operating Company may elect not to make follow-on investments or may otherwise lack sufficient funds to make these investments. The Operating Company has the discretion to make follow-on investments, subject to the availability of capital resources. If the Operating Company fails to make follow-on investments, the continued viability of a portfolio company and its investment may, in some circumstances, be jeopardized and we could miss an opportunity for the Operating Company to increase its participation in a successful operation. Even if the Operating Company has sufficient capital to make a desired follow-on investment, it may elect not to make a follow-on investment because it may not want to increase its concentration of risk, either because it prefers other opportunities or because it is subject to BDC requirements that would prevent such follow-on investments or such follow-on investments would adversely impact NMFC’s ability to maintain its RIC status.

The Operating Company’s portfolio companies may incur debt that ranks equally with, or senior to, its investments in such companies.

The Operating Company invests in portfolio companies at all levels of the capital structure. The Operating Company’s portfolio companies may have, or may be permitted to incur, other debt that ranks equally with, or senior to, the debt in which the Operating Company invests. By their terms, these debt instruments may entitle the holders to receive payment of interest or principal on or before the dates on which the Operating Company is entitled to receive payments with respect to the debt instruments in which it invests. In addition, in the event of insolvency, liquidation, dissolution, reorganization or bankruptcy of a portfolio company, holders of debt instruments ranking senior to the Operating Company’s investment in that portfolio company would typically be entitled to receive payment in full before it receives any distribution. After repaying the senior creditors, the portfolio company may not have any remaining assets to use for repaying its obligation to the Operating Company. In the case of debt ranking equally with debt instruments in which the Operating Company invests, it would have to share on an equal basis any distributions with other creditors holding such debt in the event of an insolvency, liquidation, dissolution, reorganization or bankruptcy of the relevant portfolio company.

The disposition of the Operating Company’s investments may result in contingent liabilities.

Most of the Operating Company’s investments will involve private securities. In connection with the disposition of an investment in private securities, the Operating Company may be required to make representations about the business and financial affairs of the portfolio company typical of those made in connection with the sale of a business. The Operating Company may also be required to indemnify the purchasers of such investment to the extent that any such representations turn out to be inaccurate or with respect to certain potential liabilities. These arrangements may result in contingent liabilities that ultimately yield funding obligations that must be satisfied through the Operating Company’s return of certain distributions previously made to it.

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There may be circumstances where our debt investments could be subordinated to claims of other creditors or the Operating Company could be subject to lender liability claims.

Even though the Operating Company may have structured certain of its investments as senior loans, if one of its portfolio companies were to go bankrupt, depending on the facts and circumstances, including the extent to which the Operating Company actually provided managerial assistance to that portfolio company, a bankruptcy court might re-characterize its debt investment and subordinate all or a portion of the Operating Company’s claim to that of other creditors. The Operating Company may also be subject to lender liability claims for actions taken by it with respect to a borrower’s business or instances where it exercises control over the borrower. It is possible that the Operating Company could become subject to a lender’s liability claim, including as a result of actions taken in rendering significant managerial assistance.

Second priority liens on collateral securing loans that the Operating Company makes to its portfolio companies may be subject to control by senior creditors with first priority liens. If there is a default, the value of the collateral may not be sufficient to repay in full both the first priority creditors and the Operating Company.

Certain loans to portfolio companies will be secured on a second priority basis by the same collateral securing senior secured debt of such companies. The first priority liens on the collateral will secure the portfolio company’s obligations under any outstanding senior debt and may secure certain other future debt that may be permitted to be incurred by the portfolio company under the agreements governing the loans. The holders of obligations secured by the first priority liens on the collateral will generally control the liquidation of and be entitled to receive proceeds from any realization of the collateral to repay their obligations in full before the Operating Company. In addition, the value of the collateral in the event of liquidation will depend on market and economic conditions, the availability of buyers and other factors. There can be no assurance that the proceeds, if any, from the sale or sales of all of the collateral would be sufficient to satisfy the loan obligations secured by the second priority liens after payment in full of all obligations secured by the first priority liens on the collateral. If such proceeds are not sufficient to repay amounts outstanding under the loan obligations secured by the second priority liens, then the Operating Company, to the extent not repaid from the proceeds of the sale of the collateral, will only have an unsecured claim against the portfolio company’s remaining assets, if any.

The rights the Operating Company may have with respect to the collateral securing the loans it makes to its portfolio companies with senior debt outstanding may also be limited pursuant to the terms of one or more intercreditor agreements entered into with the holders of first priority senior debt. Under an intercreditor agreement, at any time that obligations that have the benefit of the first priority liens are outstanding, any of the following actions that may be taken in respect of the collateral will be at the direction of the holders of the obligations secured by the first priority liens: the ability to cause the commencement of enforcement proceedings against the collateral, the ability to control the conduct of such proceedings, the approval of amendments to collateral documents; releases of liens on the collateral and waivers of past defaults under collateral documents. The Operating Company may not have the ability to control or direct these actions, even if its rights are adversely affected.

The Operating Company generally does not control its portfolio companies.

The Operating Company does not, and does not expect to, control most of its portfolio companies, even though the Operating Company may have board representation or board observation rights, and its debt agreements may contain certain restrictive covenants that limit the business and operations of its portfolio companies. As a result, the Operating Company is subject to the risk that a portfolio company may make business decisions with which the Operating Company disagrees and the management of such company, in which the Operating Company invests as representatives of the holders of their common equity, may take risks or otherwise act in ways that do not serve the Operating Company’s interests as debt investors. Due to the lack of liquidity of the investments that the Operating Company typically holds in its portfolio companies, it may not be

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able to dispose of its investments in the event that the Operating Company disagrees with the actions of a portfolio company as readily as it would otherwise like to or at favorable prices which could decrease the value of its investments.

Economic recessions or downturns could impair the Operating Company’s portfolio companies and harm its operating results.

Many of the Operating Company’s portfolio companies may be susceptible to economic slowdowns or recessions and may be unable to repay its debt investments during these periods. Therefore, the Operating Company’s non-performing assets are likely to increase, and the value of the Operating Company’s portfolio is likely to decrease during these periods. Adverse economic conditions also may decrease the value of collateral securing some of the Operating Company’s debt investments and the value of its equity investments. Economic slowdowns or recessions could lead to financial losses in the Operating Company’s portfolio and a decrease in revenues, net income and assets. Unfavorable economic conditions also could increase the Operating Company’s funding costs, limit NMFC’s and the Operating Company’s access to the capital markets or result in a decision by lenders not to extend credit to the Operating Company. These events could prevent the Operating Company from increasing investments and harm its operating results.

Defaults by the Operating Company’s portfolio companies may harm its operating results.

A portfolio company’s failure to satisfy financial or operating covenants imposed by the Operating Company or other lenders could lead to defaults and, potentially, termination of its loans and foreclosure on its secured assets, which could trigger cross-defaults under other agreements and jeopardize a portfolio company’s ability to meet its obligations under the debt or equity securities that the Operating Company holds.

The Operating Company may incur expenses to the extent necessary to seek recovery upon default or to negotiate new terms, which may include the waiver of certain financial covenants, with a defaulting portfolio company. In addition, lenders in certain cases can be subject to lender liability claims for actions taken by them when they become too involved in the borrower’s business or exercise control over a borrower. It is possible that the Operating Company could become subject to a lender’s liability claim, including as a result of actions taken if it renders significant managerial assistance to the borrower. Furthermore, if one of the Operating Company’s portfolio companies were to file for bankruptcy protection, even though the Operating Company may have structured its investment as senior secured debt, depending on the facts and circumstances, including the extent to which the Operating Company provided managerial assistance to that portfolio company, a bankruptcy court might re-characterize its debt holding and subordinate all or a portion of the Operating Company’s claim to claims of other creditors.

Prepayments of the Operating Company’s debt investments by its portfolio companies could adversely impact the Operating Company’s results of operations and reduce its return on equity.

The Operating Company is subject to the risk that the investments it makes in its portfolio companies may be repaid prior to maturity. When this occurs, subject to maintenance of NMFC’s RIC status, the Operating Company will generally reinvest these proceeds in temporary investments, pending their future investment in new portfolio companies. These temporary investments will typically have substantially lower yields than the debt being prepaid and the Operating Company could experience significant delays in reinvesting these amounts. Any future investment in a new portfolio company may also be at lower yields than the debt that was repaid. As a result, the Operating Company’s results of operations could be materially adversely affected if one or more of its portfolio companies elect to prepay amounts owed to the Operating Company. Additionally, prepayments could negatively impact the Operating Company’s return on equity, which could result in a decline in the market price of NMFC’s common stock.

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The Operating Company may not realize gains from its equity investments.

When the Operating Company invests in portfolio companies, it may acquire warrants or other equity securities of portfolio companies as well. The Operating Company may also invest in equity securities directly. To the extent the Operating Company holds equity investments, it will attempt to dispose of them and realize gains upon its disposition of them. However, the equity interests the Operating Company receives may not appreciate in value and, in fact, may decline in value. As a result, the Operating Company may not be able to realize gains from its equity interests, and any gains that it does realize on the disposition of any equity interests may not be sufficient to offset any other losses it experiences. The Operating Company also may be unable to realize any value if a portfolio company does not have a liquidity event, such as a sale of the business, recapitalization or public offering, which would allow the Operating Company to sell the underlying equity interests.

The performance of the Operating Company’s portfolio companies may differ from its historical performance as its investment strategy will include primary originations in addition to secondary market purchases.

Historically, the Operating Company’s investment strategy consisted primarily of secondary market purchases in debt securities. The Operating Company recently adjusted its investment strategy to also include primary originations. While loans the Operating Company originates and loans its purchases in the secondary market face many of the same risks associated with the financing of leveraged companies, the Operating Company may be exposed to different risks depending on specific business considerations for secondary market purchases or origination of loans. As a result, this strategy may result in different returns from these investments than the types of returns it has historically experienced from secondary market purchases of debt securities.

The Operating Company may be subject to additional risks if it invests in foreign securities and/or engage in hedging transactions.

The 1940 Act generally requires that 70.0% of the Operating Company’s investments be in issuers each of whom is organized under the laws of, and has its principal place of business in, any state of the United States, the District of Columbia, Puerto Rico, the Virgin Islands or any other possession of the United States. The Operating Company’s investment strategy does not presently contemplate significant investments in securities of non-U.S. companies. However, the Operating Company may desire to make such investments in the future, to the extent that such transactions and investments are permitted under the 1940 Act. The Operating Company expects that these investments would focus on the same types of investments that it makes in U.S. middle market companies and accordingly would be complementary to its overall strategy and enhance the diversity of its holdings. Investing in foreign companies could expose the Operating Company to additional risks not typically associated with investing in U.S. companies. These risks include changes in exchange control regulations, political and social instability, expropriation, imposition of foreign taxes, less liquid markets and less available information than is generally the case in the United States, higher transaction costs, less government supervision of exchanges, brokers and issuers, less developed bankruptcy laws, difficulty in enforcing contractual obligations, lack of uniform accounting and auditing standards and greater price volatility. Investments denominated in foreign currencies would be subject to the risk that the value of a particular currency will change in relation to one or more other currencies. Among the factors that may affect currency values are trade balances, the level of short-term interest rates, differences in relative values of similar assets in different currencies, long-term opportunities for investment and capital appreciation and political developments. The Operating Company may employ hedging techniques to minimize these risks, but it can offer no assurance that it will, in fact, hedge currency risk, or that if it does, such strategies will be effective.

Engaging in hedging transactions would also, indirectly, entail additional risks to NMFC’s stockholders. Although it is not currently anticipated that the Operating Company would engage in hedging transactions as a principal investment strategy, if the Operating Company determined to engage in hedging transactions it generally would seek to hedge against fluctuations of the relative values of its portfolio positions from changes in

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market interest rates or currency exchange rates. Hedging against a decline in the values of the Operating Company’s portfolio positions would not eliminate the possibility of fluctuations in the values of such positions or prevent losses if the values of the positions declined. However, such hedging could establish other positions designed to gain from those same developments, thereby offsetting the decline in the value of such portfolio positions.

These hedging transactions could also limit the opportunity for gain if the values of the underlying portfolio positions increased. Moreover, it might not be possible to hedge against an exchange rate or interest rate fluctuation that was so generally anticipated that the Operating Company would not be able to enter into a hedging transaction at an acceptable price. If the Operating Company chooses to engage in hedging transactions, there can be no assurances that the Operating Company will achieve the intended benefits of such transactions and, depending on the degree of exposure such transactions could create, such transactions may expose the Operating Company and, indirectly, NMFC to risk of loss.

While the Operating Company may enter into these types of transactions to seek to reduce currency exchange rate and interest rate risks, unanticipated changes in currency exchange rates or interest rates could result in poorer overall investment performance than if it had not engaged in any such hedging transactions. In addition, the degree of correlation between price movements of the instruments used in a hedging strategy and price movements in the portfolio positions being hedged could vary. Moreover, for a variety of reasons, the Operating Company might not seek to establish a perfect correlation between the hedging instruments and the portfolio holdings being hedged. Any imperfect correlation could prevent the Operating Company from achieving the intended hedge and expose the Operating Company and NMFC to risk of loss. In addition, it might not be possible to hedge fully or perfectly against currency fluctuations affecting the value of securities denominated in non-U.S. currencies because the value of those securities would likely fluctuate as a result of factors not related to currency fluctuations.

RISKS RELATING TO OUR CORPORATE STRUCTURE

NMFC is a holding company with no direct operations of its own, and will depend on distributions from the Operating Company to meet its ongoing obligations.

NMFC is a holding company with no direct operations of its own, and its only business and sole asset is its direct ownership of units of the Operating Company. As a result, all investment decisions relating to the Operating Company’s portfolio will be made by the Investment Adviser under the supervision of the Operating Company’s board of directors, which may be different from NMFC’s board of directors. Although the Operating Company’s Limited Liability Company Operating Agreement provides that in accordance with the 1940 Act and to the extent required thereby, NMFC will “pass through” its votes on all matters subject to a member vote, including with respect to the election of the Operating Company’s directors, NMFC will not, and indirectly, the stockholders of NMFC will not, have any control over the Operating Company’s day-to-day operations and investment decisions.

NMFC also does not have any independent ability to generate revenue, and its only sources of cash flow from operations are distributions from the Operating Company. Consequently, NMFC relies on the Operating Company to cover the expenses of its day-to-day business, including expenses incident to NMFC’s status as a public company. Pursuant to the Administration Agreement, the Operating Company will reimburse the Administrator for NMFC’s allocable portion of overhead and other expenses incurred by the Administrator in performing its obligations to NMFC under the Administration Agreement. However, if the Operating Company cannot or does not make the payments required pursuant to the Administration Agreement, NMFC may be unable to cover these expenses.

In addition, since NMFC is a holding company, its ability to pay distributions to its stockholders depends on the prior distribution from the Operating Company of cash in an amount sufficient to pay quarterly distributions and to obtain and maintain its status as a RIC. The distribution of cash flows by the Operating Company to

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NMFC is subject to statutory restrictions under the Delaware Limited Liability Company Act, the 1940 Act and contractual restrictions under the Credit Facilities or any other debt financing facility that may limit the Operating Company’s or NMF SLF’s ability to make distributions. In addition, any distributions and payments of fees or costs will be based upon the Operating Company’s financial performance. Any distributions of cash will be made on a pro rata basis to all of the Operating Company’s members, including NMFC, in accordance with each unit holders’ respective percentage interest.

New Mountain Capital or its affiliates may have interests that differ from your interests as stockholders of NMFC.

Guardian AIV indirectly owns, through AIV Holdings, approximately 65.4% of the units of the Operating Company. New Mountain’s interests, the interests of the partners in Guardian AIV and the interests of those persons affiliated with New Mountain Capital that participated in the Concurrent Private Placement may differ from, or conflict with, your interests as stockholders of NMFC. For example, conflicts arising under the Registration Rights Agreement will be resolved as set forth therein. Under the Registration Rights Agreement, AIV Holdings and the Operating Company’s Chairman and a related entity will have priority over NMFC or any other NMFC stockholder when selling any shares of NMFC common stock pursuant to their exercise of registration rights under that agreement.

Circumstances may arise in the future when the interests of the Operating Company’s members conflict with the interests of NMFC’s stockholders. The Operating Company’s board of directors and the board of directors of NMFC are comprised of the same members. However, the Operating Company’s board of directors owes fiduciary duties to its members that could conflict with the fiduciary duties NMFC’s board of directors owes to its stockholders.

Any future exchange by AIV Holdings of units of the Operating Company for shares of NMFC’s common stock would significantly dilute the voting power of NMFC’s current stockholders with respect to the election of NMFC directors or other matters that require the approval of NMFC stockholders only. In addition, the interests of the partners of Guardian AIV following such exchange by AIV Holdings may be adverse to the interests of NMFC’s stockholders and could limit your ability to influence the outcome of key transactions, including any change of control.

Pursuant to the terms of the Operating Company’s Limited Liability Company Operating Agreement, AIV Holdings will have the right to exchange its units for shares of NMFC’s common stock on a one-for-one basis. Guardian AIV indirectly owns, through AIV Holdings, approximately 65.4% of the units of the Operating Company. If AIV Holdings exercised its exchange rights with respect to a significant number of units, the voting power of NMFC’s stockholders would be significantly diluted. As a result, Guardian AIV, indirectly through AIV Holdings, would retain significant influence over decisions that require the approval of NMFC’s stockholders exclusively (such as the election of its directors and the approval of mergers or other significant corporate transactions) regardless of whether or not NMFC’s other stockholders believe that such decisions are in NMFC’s own best interests. If AIV Holdings exercised its exchange rights in full, Guardian AIV, indirectly through AIV Holdings would own approximately 65.4% of all outstanding shares of NMFC’s common stock. However, these entities would not exercise voting control over their shares of common stock because the right to vote those shares would be passed through to the partners of these entities. These investors, along with those persons affiliated with New Mountain Capital that participated in the Concurrent Private Placement, may have interests that differ from your interests, and they may vote in a way with which you disagree and that may be adverse to your interests as stockholders of NMFC. The concentration of ownership of NMFC’s common stock following the exercise of AIV Holdings’ exchange right may also have the effect of delaying, preventing or deterring a change of control of NMFC, could deprive NMFC’s stockholders of an opportunity to receive a premium for their common stock as part of a sale of NMFC and may adversely affect the market price of NMFC’s common stock.

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RISKS RELATING TO NMFC’S COMMON STOCK

The market price of NMFC’s common stock may fluctuate significantly.

The market price and liquidity of the market for shares of NMFC’s common stock may be significantly affected by numerous factors, some of which are beyond our control and may not be directly related to the Operating Company’s operating performance. These factors include:

Investing in NMFC’s common stock may involve an above average degree of risk.

The investments the Operating Company may make may result in a higher amount of risk, volatility or loss of principal than alternative investment options. These investments in portfolio companies may be highly speculative and aggressive, and therefore, an investment in NMFC’s common stock may not be suitable for investors with lower risk tolerance.

Sales of substantial amounts of NMFC’s common stock in the public market may have an adverse effect on the market price of its common stock.

Sales of substantial amounts of NMFC’s common stock, including by itself directly, AIV Holdings, if it exercises its right to exchange its units of the Operating Company for shares of NMFC’s common stock on a one-for-one basis, or New Mountain Guardian Partners, L.P. or its transferees or the perception that such sales could occur, could materially adversely affect the prevailing market prices for NMFC’s common stock. AIV Holdings currently intends to sell its interest in the Operating Company’s business as soon as practicable from time to time, depending on market conditions and any applicable contractual or legal restrictions. AIV Holdings, and the Investment Adviser, if applicable with respect to any units received as payment of the incentive fee, have

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the right, subject to certain conditions, to require NMFC to register under the federal securities laws the sale of any shares of NMFC’s common stock held by them or that may be issued to and held by them upon exercise by AIV Holdings of the exchange right.

In addition, NMFC has granted AIV Holdings, the Operating Company’s Chairman, an entity related to the Operating Company’s Chairman and the Investment Adviser, if applicable with respect to any units received as payment of the incentive fee, and their permitted transferees certain “piggyback” registration rights which allow them to include their shares in any future registrations of NMFC equity securities, whether or not that registration relates to a primary offering by NMFC or a secondary offering by or on behalf of any of NMFC’s stockholders or AIV Holdings. In particular, these parties will have priority over NMFC and any other of its stockholders in any registration that is an underwritten offering. Any such filing or the perception that such a filing may occur, could cause the prevailing market price of NMFC’s common stock to decline and may impact NMFC’s ability to sell equity to finance the Operating Company’s operations. If substantial amounts of NMFC’s common stock were sold, this could impair its ability to raise additional capital through the sale of securities should NMFC desire to do so.

Certain provisions of NMFC’s certificate of incorporation and bylaws, the Delaware General Corporation Law as well as other aspects of our structure, including Guardian AIV’s substantial interest in the Operating Company, could deter takeover attempts and have an adverse impact on the price of NMFC’s common stock.

NMFC’s certificate of incorporation and bylaws as well as the Delaware General Corporation Law contain provisions that may have the effect of discouraging a third party from making an acquisition proposal for us. Among other things, NMFC’s certificate of incorporation and bylaws:

These anti-takeover provisions may inhibit a change in control in circumstances that could give the holders of NMFC’s common stock the opportunity to realize a premium over the market price for its common stock. The Credit Facilities also include covenants that, among other things, restrict its ability to dispose of assets, incur additional indebtedness, make restricted payments, create liens on assets, make investments, make acquisitions and engage in mergers or consolidations. The Credit Facilities also include change of control provisions that accelerate the indebtedness under this facility in the event of certain change of control events. In addition, certain aspects of our structure, including Guardian AIV’s substantial interest in the Operating Company may have the effect of discouraging a third party from making an acquisition proposal for NMFC.

Shares of NMFC’s common stock have traded at a discount from net asset value and may do so in the future.

Shares of closed-end investment companies have frequently traded at a market price that is less than the net asset value that is attributable to those shares. In part as a result of adverse economic conditions and increasing pressure within the financial sector of which we are a part, NMFC’s common stock has at times traded below its

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net asset value per share since NMFC’s IPO on May 19, 2011. NMFC’s shares could once again trade at a discount to net asset value. The possibility that NMFC’s shares of common stock may trade at a discount from net asset value over the long term is separate and distinct from the risk that our net asset value will decrease. We cannot predict whether shares of NMFC’s common stock will trade above, at or below its net asset value. If NMFC’s common stock trades below its net asset value, we will generally not be able to issue additional shares of NMFC’s common stock at its market price without first obtaining the approval for such issuance from our stockholders and our independent directors. If additional funds are not available to us, we could be forced to curtail or cease the Operating Company’s new lending and investment activities, and our net asset value could decrease and our level of distributions could be impacted.

You may not receive dividends or our dividends may decline or may not grow over time.

We cannot assure you that we will achieve investment results or maintain a tax status that will allow or require any specified level of cash distributions or year-to-year increases in cash distributions. In particular, our future dividends are dependent upon the investment income we receive on the Operating Company’s portfolio investments. To the extent such investment income declines, our ability to pay future dividends may be harmed.

We will have broad discretion over the use of proceeds of any offering made pursuant to this prospectus, to the extent it is successful.

We will have significant flexibility in applying the proceeds of any offering made pursuant to this prospectus. We will also pay operating expenses, and may pay other expenses such as due diligence expenses of potential new investments, from net proceeds. Our ability to achieve our investment objective may be limited to the extent that the net proceeds of the offering, pending full investment, are used to pay operating expenses. In addition, we can provide you no assurance that the current offering will be successful, or that by increasing the size of our available equity capital our aggregate expenses, and correspondingly, our expense ratio, will be lowered.

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CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

This prospectus contains forward-looking statements that involve substantial risks and uncertainties. These forward-looking statements are not historical facts, but rather are based on current expectations, estimates and projections about us, the Operating Company’s current and prospective portfolio investments, our industry, our beliefs, and our assumptions. Words such as “anticipates”, “expects”, “intends”, “plans”, “will”, “may”, “continue”, “believes”, “seeks”, “estimates”, “would”, “could”, “should”, “targets”, “projects” or variations of these words and similar expressions are intended to identify forward-looking statements. The forward-looking statements contained in this prospectus involve risks and uncertainties, including statements as to:

These statements are not guarantees of future performance and are subject to risks, uncertainties, and other factors, some of which are beyond our control and difficult to predict and could cause actual results to differ materially from those expressed or forecasted in the forward-looking statements, including without limitation:

Although we believe that the assumptions on which these forward-looking statements are based are reasonable, any of those assumptions could prove to be inaccurate, and as a result, the forward-looking statements based on those assumptions also could be inaccurate. Important assumptions include the Operating Company’s ability to originate new loans and investments, certain margins and levels of profitability and the availability of additional capital. In light of these and other uncertainties, the inclusion of a projection or forward-looking statement in this prospectus should not be regarded as a representation by us that our plans and objectives will be achieved. These risks and uncertainties include those described or identified in “Risk Factors” and elsewhere in this prospectus. You should not place undue reliance on these forward-looking statements, which apply only as of the date of this prospectus. However, we will update this prospectus to reflect any material changes to the information contained herein. The forward-looking statements and projections contained in this prospectus are excluded from the safe harbor protection provided by Section 27A of the Securities Act.

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USE OF PROCEEDS

The Operating Company intends to use the net proceeds from the sale of NMFC’s common stock pursuant to this prospectus for new investments in portfolio companies in accordance with the Operating Company’s investment objective and strategies described in this prospectus, to temporarily repay indebtedness (which will be subject to reborrowing), to pay our operating expenses, to pay distributions to our stockholders/unit holders and for general corporate purposes. The Operating Company is continuously identifying, reviewing and, to the extent consistent with its investment objective, funding new investments. As a result, we typically raise capital as we deem appropriate to fund such new investments. The supplement to this prospectus relating to an offering will more fully identify the use of the proceeds from such offering.

We estimate that it will take less than six months for the Operating Company to substantially invest the net proceeds of any offering made pursuant to this prospectus, depending on the availability of attractive opportunities, market conditions and the amount raised. However, we can offer no assurance that we will be able to achieve this goal.

Proceeds not immediately used for new investments or the temporary repayment of debt will be invested primarily in cash, cash equivalents, U.S. government securities and other high-quality investments that mature in one year or less from the date of investment. These temporary investments are expected to provide a lower net return than we hope to achieve from the Operating Company’s target investments.

We will not receive any proceeds from any sale of common stock by the selling stockholders identified under “Selling Stockholders”.

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PRICE RANGE OF COMMON STOCK AND DISTRIBUTIONS

NMFC’s common stock is traded on the New York Stock Exchange (“NYSE”) under the symbol “NMFC”. The following table sets forth the net asset value (“NAV”) per share of NMFC’s common stock, the high and low closing sale price for NMFC’s common stock, the closing sale price as a percentage of NAV and the quarterly dividend distributions per share for each fiscal quarter since NMFC’s IPO on May 19, 2011.

On July 6, 2012, the last reported sales price of NMFC’s common stock was $14.91 per share. As of March 31, 2012, the Operating Company had two record holders, which were NMFC and AIV Holdings, whereas NMFC had approximately 22 stockholders of record and approximately four beneficial owners whose shares are held in the names of brokers, dealers, funds, trusts and clearing agencies. The Operating Company is not a publicly traded entity.

Shares of BDCs may trade at a market price that is less than the value of the net assets attributable to those shares. The possibility that NMFC’s shares of common stock will trade at a discount from net asset value or at premiums that are unsustainable over the long term are separate and distinct from the risk that our net asset value will decrease. Since NMFC’s initial public offering on May 19, 2011, NMFC’s shares of common stock have traded at times at a discount to the net assets attributable to those shares. As of July 6, 2012, NMFC’s shares of common stock traded at a premium of approximately 6.12% of the net asset value attributable to those shares as of March 31, 2012. It is not possible to predict whether the shares offered hereby will trade at, above, or below net asset value.

Since NMFC is a holding company, distributions will be paid on NMFC’s common stock from distributions received from the Operating Company. The Operating Company intends to make distributions to its unit holders that will be sufficient to enable NMFC to pay quarterly distributions to NMFC’s stockholders and to obtain and maintain NMFC’s status as a regulated investment company. NMFC intends to distribute approximately its entire portion of the Operating Company’s Adjusted Net Investment Income on a quarterly basis and substantially its entire portion of the Operating Company’s taxable income on an annual basis, except that they may retain certain net capital gains for reinvestment.

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NMFC has adopted an “opt out” dividend reinvestment plan on behalf of its stockholders, whereas NMFC stockholders’ cash dividends will be automatically reinvested in additional shares of NMFC’s common stock, unless the stockholder elects to receive cash. Cash dividends reinvested in additional shares of NMFC’s common stock will be automatically reinvested by NMFC into additional units of the Operating Company.

NMFC applies the following in implementing the dividend reinvestment plan. If the price at which newly issued shares are to be credited to stockholders’ accounts is greater than 110.0% of the last determined net asset value of the shares, NMFC will use only newly issued shares to implement its dividend reinvestment plan. Under such circumstances, the number of shares to be issued to a stockholder is determined by dividing the total dollar amount of the distribution payable to such stockholder by the market price per share of NMFC’s common stock on the NYSE on the distribution payment date. Market price per share on that date will be the closing price for such shares on the NYSE or, if no sale is reported for such day, the average of their electronically reported bid and asked prices. If NMFC uses newly issued shares to implement the plan, NMFC will receive, on a one-for-one basis, additional units of the Operating Company in exchange for cash distributions that are reinvested in shares of NMFC’s common stock under the dividend reinvestment plan.

If the price at which newly issued shares are to be credited to stockholders’ accounts is less than 110.0% of the last determined net asset value of the shares, NMFC will either issue new shares or instruct the plan administrator to purchase shares in the open market to satisfy the additional shares required. Shares purchased in open market transactions by the plan administrator will be allocated to a stockholder based on the average purchase price, excluding any brokerage charges or other charges, of all shares of common stock purchased in the open market. The number of shares of NMFC’s common stock to be outstanding after giving effect to payment of the distribution cannot be established until the value per share at which additional shares will be issued has been determined and elections of NMFC’s stockholders have been tabulated.

The following table reflects the cash distributions, including dividends and returns of capital, if any, per unit/share that have been declared by the Operating Company’s board of directors, and subsequently NMFC’s board of directors, since NMFC’s IPO:

Tax characteristics of all dividends paid by NMFC are reported to stockholders on Form 1099 after the end of the calendar year. Future quarterly dividends, if any, for the New Mountain Finance Entities will be determined by their respective board of directors.

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MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The information contained in this section should be read in conjunction with the Selected Financial and Other Data and our Financial Statements and notes thereto appearing elsewhere in this prospectus. In addition to historical information, the following discussion and other parts of this prospectus contain forward-looking information that involves risks and uncertainties. Our actual results could differ materially from those anticipated by such forward-looking information due to the factors discussed under “Risk Factors” and “Cautionary Statement Regarding Forward-Looking Statements” appearing elsewhere in this prospectus.

Overview

The Operating Company is a Delaware limited liability company. The Operating Company is externally managed and has elected to be treated as a BDC under the 1940 Act. As such, the Operating Company is obligated to comply with certain regulatory requirements. The Operating Company intends to be treated as a partnership for federal income tax purposes for so long as it has at least two members.

The Operating Company is externally managed by the Investment Adviser. The Administrator provides the administrative services necessary for operations. The Investment Adviser and Administrator are wholly-owned subsidiaries of New Mountain Capital. New Mountain Capital is a firm with a track record of investing in the middle market and with assets under management (which includes amounts committed, not all of which have been drawn down and invested to date) totaling approximately $9.0 billion as of March 31, 2012 and December 31, 2011. New Mountain Capital focuses on investing in defensive growth companies across its private equity, public equity, and credit investment vehicles. The Operating Company, formerly known as New Mountain Guardian (Leveraged), L.L.C., was originally formed as a subsidiary of Guardian AIV by New Mountain Capital in October 2008. Guardian AIV was formed through an allocation of approximately $300.0 million of the $5.1 billion of commitments supporting New Mountain Partners III, L.P., a private equity fund managed by New Mountain Capital. In February 2009, New Mountain Capital formed a co-investment vehicle, New Mountain Guardian Partners, L.P., comprising $20.4 million of commitments.

NMFC is a Delaware corporation that was originally incorporated on June 29, 2010. NMFC is a closed-end, non-diversified management investment company that has elected to be treated as a BDC under the 1940 Act. As such, NMFC is obligated to comply with certain regulatory requirements. NMFC intends to be treated, and intends to comply with the requirements to qualify annually, as a RIC under Subchapter M of the Code commencing with its taxable year ending on December 31, 2011.

AIV Holdings is a Delaware corporation that was originally incorporated on March 11, 2011. Guardian AIV, a Delaware limited partnership, is AIV Holdings’ sole stockholder. AIV Holdings is a closed-end, non-diversified management investment company that has elected to be treated as a BDC under the 1940 Act. As such, AIV Holdings is obligated to comply with certain regulatory requirements. AIV Holdings intends to be treated, and intends to comply with the requirements to qualify annually, as a RIC under the Code commencing with its taxable year ending on December 31, 2011.

On May 19, 2011, NMFC priced its IPO of 7,272,727 shares of common stock at a public offering price of $13.75 per share. Concurrently with the closing of the IPO and at the public offering price of $13.75 per share, NMFC sold an additional 2,172,000 shares of its common stock to certain executives and employees of, and other individuals affiliated with, New Mountain Capital in the Concurrent Private Placement. Additionally, 1,252,964 shares were issued to the partners of New Mountain Guardian Partners, L.P. at that time for their ownership interest in the Predecessor Entities. In connection with NMFC’s IPO and through a series of transactions, the Operating Company owns all of the operations of the Predecessor Entities, including all of the assets and liabilities related to such operations.

NMFC and AIV Holdings are holding companies with no direct operations of their own, and their sole asset is their ownership in the Operating Company. NMFC and AIV Holdings each entered into a joinder agreement with respect to the Limited Liability Company Agreement, as amended and restated, of the Operating Company, pursuant to which NMFC and AIV Holdings were admitted as members of the Operating Company. NMFC

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acquired from the Operating Company, with the gross proceeds of the IPO and the Concurrent Private Placement, units of the Operating Company (the number of units are equal to the number of shares of NMFC’s common stock sold in the IPO and the Concurrent Private Placement). Additionally, NMFC received units of the Operating Company equal to the number of shares of common stock of NMFC issued to the partners of New Mountain Guardian Partners, L.P. Guardian AIV was the parent of the Operating Company prior to the IPO and, as a result of the transactions completed in connection with the IPO, obtained units in the Operating Company. Guardian AIV contributed its units in the Operating Company to its newly formed subsidiary, AIV Holdings, in exchange for common stock of AIV Holdings. AIV Holdings has the right to exchange all or any portion of its units in the Operating Company for shares of NMFC’s common stock on a one-for-one basis.

As of March 31, 2012 and December 31, 2011, NMFC and AIV Holdings owned approximately 34.6% and 65.4%, respectively, of the units of the Operating Company.

The current structure was designed to generally prevent NMFC and its stockholders from being allocated taxable income with respect to unrecognized gains that existed at the time of the IPO in the Predecessor Entities’ assets, and rather such amounts would be allocated generally to AIV Holdings and its stockholders. The result is that any distributions made to NMFC’s stockholders that are attributable to such gains generally will not be treated as taxable dividends but rather as return of capital.

The diagram below depicts our current organizational structure.

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Our investment objective is to generate current income and capital appreciation through the sourcing and origination of debt securities at all levels of the capital structure, including first and second lien debt, notes, bonds and mezzanine securities. In some cases, our investments may also include equity interests. The primary focus is in the debt of defensive growth companies, which are defined as generally exhibiting the following characteristics: (i) sustainable secular growth drivers, (ii) high barriers to competitive entry, (iii) high free cash flow after capital expenditure and working capital needs, (iv) high returns on assets and (v) niche market dominance.

As of March 31, 2012, the Operating Company’s net asset value was $434.3 million and its portfolio had a fair value of approximately $758.2 million in 57 portfolio companies, with a weighted average Unadjusted and Adjusted Yield to Maturity of approximately 10.6% and 12.8%, respectively. “Adjusted Yield to Maturity” assumes that the investments in the Operating Company’s portfolio are purchased at fair value on March 31, 2012 and held until their respective maturities with no prepayments or losses and exited at par at maturity. This calculation excludes the impact of existing leverage, except for the non-recourse debt of NMF SLF. NMF SLF is treated as a fully levered asset of the Operating Company, with NMF SLF’s net asset value being included for yield calculation purposes. The actual yield to maturity may be higher or lower due to the future selection of the LIBOR contracts by the individual companies in the Operating Company’s portfolio or other factors. References to “Unadjusted Yield to Maturity” have the same assumptions as Adjusted Yield to Maturity except that NMF SLF is not treated as a fully levered asset of the Operating Company, but rather the assets themselves are consolidated into the Operating Company.

As of December 31, 2011, the Operating Company’ net asset value was $420.5 million and its portfolio had a fair value of approximately $703.5 million in 55 portfolio companies, with a weighted average Unadjusted and Adjusted Yield to Maturity of approximately 10.7% and 13.1%, respectively. “Adjusted Yield to Maturity” assumes that the investments in the Operating Company’s portfolio are purchased at fair value on December 31, 2011 and held until their respective maturities with no prepayments or losses and exited at par at maturity. This calculation excludes the impact of existing leverage, except for the non-recourse debt of NMF SLF. NMF SLF is treated as a fully levered asset of the Operating Company, with NMF SLF’s net asset value being included for yield calculation purposes. The actual yield to maturity may be higher or lower due to the future selection of LIBOR contracts by the individual companies in the Operating Company’s portfolio or other factors. References to “Unadjusted Yield to Maturity” have the same assumptions as Adjusted Yield to Maturity except that NMF SLF is not treated as a fully levered asset of the Operating Company, but rather the assets themselves are consolidated into the Operating Company.

Recent Developments

On May 8, 2012, the Operating Company’s board of directors, and subsequently NMFC’s board of directors, declared a second quarter 2012 distribution of $0.34 per unit/share payable on June 29, 2012 to holders of record as of June 15, 2012.

On May 8, 2012, the Operating Company’s board of directors, and subsequently NMFC’s board of directors, declared a special distribution of $0.23 per unit/share payable on May 31, 2012 to holders of record as of May 21, 2012 related to estimated realized capital gains attributable to the Operating Company’s investments in Lawson Software, Inc. and Infor Lux Bond Company. As of this record date, NMFC and AIV Holdings will own 10,697,691 units and 20,221,938 units, respectively, of the Operating Company and will receive a total dividend of $2.5 million and $4.6 million, respectively.

On May 8, 2012, the Operating Company entered into a sixth amendment to the Holdings Credit Facility. This amendment lowered the applicable interest rate spread by 0.25% to 2.75% from 3.00% and extended the maturity date by one year to October 27, 2016.

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On May 8, 2012, NMF SLF entered into a ninth amendment to the SLF Credit Facility. This amendment lowered the applicable interest rate spread by 0.25% to 2.00% from 2.25% and extended the maturity date by one year to October 27, 2016.

Critical Accounting Policies

The preparation of financial statements and related disclosures in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements, and revenues and expenses during the periods reported. Actual results could materially differ from those estimates. We have identified the following items as critical accounting policies.

Basis of Accounting

The Operating Company consolidates its wholly-owned subsidiary, NMF SLF. NMFC does not consolidate the Operating Company. NMFC applies investment company master-feeder financial statement presentation, as described in Accounting Standards Codification 946, Financial Services—Investment Companies, (“ASC 946”) to its interest in the Operating Company. NMFC observes that it is industry practice to follow the presentation prescribed for a Master Fund-Feeder fund structure in ASC 946 in instances in which a Master Fund is owned by more than one feeder fund and that such presentation provides stockholders of NMFC with a clearer depiction of their investment in the Master Fund.

Valuation and Leveling of Portfolio Investments

The Operating Company conducts the valuation of assets, pursuant to which its net asset value, and, consequently, NMFC’s net asset value is determined, at all times consistent with GAAP and the 1940 Act.

The Operating Company values its assets on a quarterly basis, or more frequently if required under the 1940 Act. In all cases, the Operating Company’s board of directors is ultimately and solely responsible for determining the fair value of its portfolio investments on a quarterly basis in good faith, including investments that are not publicly traded, those whose market prices are not readily available, and any other situation where its portfolio investments require a fair value determination. Security transactions are accounted for on a trade date basis. The Operating Company’s quarterly valuation procedures are set forth in more detail below:

(1) Investments for which market quotations are readily available on an exchange are valued at such market quotations based on the closing price indicated from independent pricing services.

(2) Investments for which indicative prices are obtained from various pricing services and/or brokers or dealers are valued through a multi-step valuation process, as described below, to determine whether the quote(s) obtained is representative of fair value in accordance with GAAP.

a. Bond quotes are obtained through independent pricing services. Analytics are performed by the investment professionals of the Investment Adviser to ensure that the quote obtained is representative of fair value in accordance with GAAP and if so, the quote is used. If the Investment Adviser is unable to sufficiently validate the quote(s) internally and if the investment’s par value exceeds the materiality threshold, the investment is valued similarly to those assets with no readily available quotes (see (3) below); and

b. For investments other than bonds, the investment professionals of the Investment Adviser look at the number of quotes readily available and perform the following:

i. Investments for which more than two quotes are received from a pricing service are valued using the mean of the mean of the bid and ask of the quotes obtained;

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ii. Investments for which one or two quotes are received from a pricing service are validated internally. The investment professionals of the Investment Adviser analyze the market quotes obtained using an array of valuation methods (further described below) to validate the fair value. If the Investment Adviser is unable to sufficiently validate the quote(s) internally and if the investment’s par value exceeds the materiality threshold, the investment is valued similarly to those assets with no readily available quotes (see (3) below).

(3) Investments for which quotations are not readily available through exchanges, pricing services, brokers, or dealers are valued through a multi-step valuation process:

a. Each portfolio company or investment is initially valued by the investment professionals of the Investment Adviser responsible for the credit monitoring;

b. Preliminary valuation conclusions will then be documented and discussed with the Operating Company’s senior management;

c. If an investment falls into (3) above for four consecutive quarters and if the investment’s par value exceeds the materiality threshold, then at least once each fiscal year, the valuation for each portfolio investment for which the investment professionals of the Investment Adviser do not have a readily available market quotation will be reviewed by an independent valuation firm engaged by the Operating Company’s board of directors; and

d. Also, when deemed appropriate by the Operating Company’s management, an independent valuation firm may be engaged to review and value investment(s) of a portfolio company, without any preliminary valuation being performed by the Investment Adviser. The investment professionals of the Investment Adviser will review and validate the value provided.

Valuation methods may include comparisons of financial ratios of the portfolio companies that issued such private securities to peer companies that are public, the nature of and the realizable value of any collateral, the portfolio company’s earnings, discounted cash flows, the ability to make payments, the markets in which the portfolio company conducts business, and other relevant factors, including available market data such as relevant and applicable market trading and transaction comparables; applicable market yields and multiples; security covenants; call protection provisions; information rights; comparable merger and acquisition transactions; and the principal market and enterprise values. When an external event such as a purchase transaction, public offering or subsequent sale occurs, we will consider the pricing indicated by the external event to corroborate the private valuation.

The values assigned to investments are based upon available information and do not necessarily represent amounts which might ultimately be realized, since such amounts depend on future circumstances and cannot be reasonably determined until the individual positions are liquidated. Due to the inherent uncertainty of determining the fair value of investments that do not have a readily available market value, the fair value of certain investments may fluctuate from period to period.

GAAP fair value measurement guidance classifies the inputs used in measuring fair value into three levels as follows:

Level I—Quoted prices (unadjusted) are available in active markets for identical investments and the Operating Company has the ability to access such quotes as of the reporting date. The type of investments which would generally be included in Level I include active exchange-traded equity securities and exchange-traded derivatives. As required by Accounting Standards Codification 820, Fair Value Measurements and Disclosures (“ASC 820”), the Operating Company, to the extent that we hold such investments, does not adjust the quoted price for these investments, even in situations where the Operating Company holds a large position and a sale could reasonably impact the quoted price.