Management's Discussion and Analysis of Financial Condition and Results of Operations (MD&A) is designed to provide a reader of American Capital's financial statements with a narrative from the perspective of management. Our MD&A is presented in four sections:

• Executive Overview

• Results of Operations

• Financial Condition, Liquidity and Capital Resources

• Forward-Looking Statements

EXECUTIVE OVERVIEW

We are the only private equity fund and alternative asset management company that is a member of the S&P 500. We primarily invest in senior debt, subordinated debt and equity in the buyouts of private companies sponsored by us ("American Capital One-Stop Buyouts™") and buyouts of private companies sponsored by other private equity firms ("American Capital One Stop Financings") and provide capital directly to early stage and mature private and small public companies. In addition, we also invest in structured product investments including CMBS, CLO and CDO securities ("Structured Products") and invest in alternative asset funds managed by us. We are also an alternative asset manager with $20 billion of capital resources under management as of June 30, 2008.

Our primary business objectives are to increase our taxable income, net realized earnings and net asset value by investing in private equity, private debt, private real estate investments, early, middle and late stage technology investments, special situations, credit opportunities, alternative asset funds managed by us and structured finance investments with attractive current yields and/or potential for equity appreciation and realized gains.

Thus far in 2008, the financial services industry has been significantly affected by the turmoil in the financial markets, which has negatively affected the global financial markets. What began in 2007 as a deterioration of credit quality in subprime residential mortgages has rapidly spread, causing adverse conditions throughout the mortgage banking industry, the broader U.S. housing market and the global financial markets. This has resulted in a liquidity crisis throughout virtually all financial sectors.

American Capital is well positioned to navigate through this liquidity crisis. As a BDC, we are limited to a 1:1 debt to equity ratio and as of June 30, 2008, our debt to equity ratio was 0.8:1. Also, our debt maturing in the next twelve months is only $302 million. We continue to generate liquidity through the realization of portfolio investments generating over $1.4 billion of realizations of portfolio investments in the first half of 2008 and nearly $4.4 billion in the past twelve months. As is typical for our portfolio, we currently have investments in various stages in the sales process that continue to draw interest from perspective buyers so we expect to have continued liquidity from our portfolio. However, we believe that the liquidity crisis will likely limit American Capital's ability to raise public equity and public and privately sourced debt through the remainder of 2008. Our remaining 2008 business plan assumes no new capital raises and the reinvestment of capital only as we experience liquidity through realizations from exits and repayments. Nevertheless, we expect to continue to raise private and public equity capital during the remainder of 2008 for our alternative asset funds under management. During the second quarter of 2008, we launched our latest alternative asset fund, American Capital Agency Corp., which successfully completed an initial public offering ("IPO") and concurrent private placement, raising equity proceeds, net of offering costs, of $286 million. During the second quarter of 2008, the fund invested $2.4 billion in agency securities funded with its equity capital and debt capital through repurchase agreement financing.

While we have seen industry-wide mergers and acquisition volumes decline in the first two quarters, we continue to see high quality companies come to market even in this tighter lending environment. The industry-wide reduction in available senior and mezzanine debt capital due to the liquidity crisis has resulted in more

competitive pricing on debt, which has driven up gross returns and led to a favorable investing environment for us. We have experienced a widening of expected returns on our new debt investments in the past twelve months. Our ability to offer a staple financing package to buyers of our American Capital One-Stop BuyoutsTM investments also allows us to increase our investment spreads in this environment, while at the same time we are moving up the balance sheet in more senior investments.

The deterioration in the credit markets created general market volatility and illiquidity, resulting in significant declines in the market values of a broad range of debt and equity investments. We were not immune to the impacts of these market dynamics as our results in the first and second quarters of 2008 clearly indicate through the recording of net unrealized depreciation of $997 million and $264 million, respectively, in our investment portfolio. The majority of the depreciation in the first half of 2008 was due to declining trading prices and continued widening of investment spreads as well as our adoption of SFAS No. 157 on January 1, 2008, a new accounting standard that provides a framework for measuring the fair value of assets and liabilities. These factors had a greater impact on the unrealized depreciation of our investments during these periods than the credit quality of our portfolio. In general, the credit quality of our portfolio remains good considering that we may likely be in a recession. For example, while our Structured Product investments experienced over $360 million of unrealized depreciation during the first quarter of 2008 due to the continued widening of investment spreads as a result of the illiquidity in the market, the same investments experienced $46 million of appreciation during the second quarter of 2008 due to a slight tightening of investments spreads since March 31, 2008. However, the underlying collateral of these Structured Products is generally performing as underwritten. As we currently expect to hold these Structured Products investments to settlement or maturity, we do not expect to realize a loss on most of the current or prior period unrealized depreciation as we anticipate the future proceeds to be received upon settlement or maturity to exceed the GAAP fair value as of June 30, 2008 by approximately $476 million.

For the three months ended June 30, 2008, we reported net operating income of $145 million, or $0.71 per diluted share, net realized earnings of $194 million, or $0.95 per diluted share and a net loss of $70 million, or $0.34 per diluted share. The net loss for the second quarter of 2008 was driven largely by the $264 million of net unrealized depreciation. For the six months ended June 30, 2008, we reported net operating income of $296 million, or $1.48 per diluted share, net realized earnings of $378 million, or $1.89 per diluted share and a net loss of $883 million, or $4.42 per diluted share. The net loss for the six months ended June 30, 2008 was driven largely by the $1,261 million of net unrealized depreciation.

American Capital Investing Activities

We provide investment capital to middle market companies, which we generally consider to be companies with sales between $10 million and $750 million. We primarily invest in senior debt, subordinated debt and equity in the buyouts of private companies sponsored by us, the buyouts of private companies sponsored by other private equity firms and directly to early stage and mature private and small public companies. Currently, we will invest up to $800 million in a single middle market transaction in North America. We also invest in Structured Products and in alternative asset funds managed by us. For summary financial information of our investment portfolio by segment and geographic area, see Note 5 to the interim consolidated financial statements in Part I, Item I of this Quarterly Report on Form 10-Q.

We seek to be a long-term partner with our portfolio companies. As a long-term partner, we will invest capital in a portfolio company subsequent to our initial investment if we believe that it can achieve appropriate returns for our investment. Add-on financings fund (i) strategic acquisitions by a portfolio company of either a complete business or specific lines of a business that are related to the portfolio company's business, (ii) recapitalization of a portfolio company to raise financing on better terms, buyout one or several owners or to pay a dividend, (iii) growth of the portfolio company such as product development or plant expansions, or (iv) working capital for a portfolio company, sometimes in distressed situations, that needs capital to fund operating costs, debt service, or growth in receivables or inventory.

The total value of our investment portfolio was $9,687 million and $10,928 million as of June 30, 2008 and December 31, 2007, respectively. During the six months ended June 30, 2008 and 2007, we originated investments in 47 and 96 portfolio companies, respectively. Our new investment amounts represent the gross committed capital on the origination date. The type and aggregate dollar amount of our new investments during the three and six months ended June 30, 2008 and 2007 were as follows (in millions):

                                                   Three Months Ended            Six Months Ended
                                                        June 30,                     June 30,
                                                  2008           2007            2008         2007
Investments in Managed Funds                    $    125     $        242     $      525     $   242
Financing for Private Equity Buyouts                 109              804            109         957
Direct Investments                                    50              378            163         559
American Capital Sponsored Buyouts                    -             1,458            303       1,917
Structured Products                                  100              181            148         342
Add-On Financing for Growth                          343               10            344          22
Add-On Financing for Recapitalizations                99              202            101         272
Add-On Financing for Acquisitions                     66              205             66         262
Add-On Financing for Working Capital in
Distressed Situations                                 26               15             68          17

Total                                           $    918     $      3,495     $    1,827     $ 4,590

We received cash proceeds from realizations and repayments of portfolio investments as follows (in millions):

                                                  Three Months Ended           Six Months Ended
                                                       June 30,                    June 30,
                                                  2008          2007           2008         2007
Principal Prepayments                           $     265     $     524     $      505     $   629
Senior Loan Syndications                               21           226            295         651
Scheduled Principal Amortization                       28            18             45          35
Payment of Accrued PIK Interest and
Dividends and OID                                      16            31             36          34
Sale of Equity Investments                            149           185            529         205

Total                                           $     479     $     984     $    1,410     $ 1,554

Public Manager of Funds of Alternative Assets

We are a leading global alternative asset manager of third party funds. In addition to managing American Capital's assets and providing management services to portfolio companies of American Capital, we also manage European Capital Limited ("European Capital"), American Capital Agency Corp. ("AGNC"), American Capital Equity I, LLC ("ACE I"), American Capital Equity II, LLC ("ACE II"), ACAS CLO 2007-1, Ltd. ("ACAS CLO-1") and American Capital CRE CDO 2007-1, Ltd. ("ACAS CRE CDO"). We may manage third party funds either through a consolidated operating subsidiary or through a wholly-owned portfolio company. We refer to the asset management business throughout this report to include the asset management activities conducted by both consolidated operating subsidiaries and wholly-owned alternative asset fund management portfolio companies. As of June 30, 2008, all of our third party alternative asset fund management services were conducted through our wholly-owned portfolio company, American Capital, LLC.

As of June 30, 2008, our assets under management totaled $18 billion, including $8 billion under management in the third party funds named above. As of June 30, 2008, our capital resources under management totaled $20 billion, including $8 billion under management in the third party funds named above.

Through our asset management business, American Capital, LLC generally earns base management fees based on the size of the funds and incentive income based on the performance of the funds it manages. In

addition, we may invest directly into our alternative asset funds and earn investment income from our direct investments in those funds. We intend to grow our existing funds, while continuing to create innovative products to meet the increasing demand of sophisticated investors for superior risk-adjusted investment returns.

The following table sets forth certain information with respect to our funds under management as of June 30, 2008:

                              American                                                                                            ACAS         ACAS CRE
                              Capital           European Capital                AGNC               ACE I          ACE II         CLO-1           CDO
Fund type                      Public         Public Fund - London     Public REIT Fund - The   Private Fund   Private Fund   Private Fund   Private Fund
                            Alternative          Stock Exchange            NASDAQ Global
                           Asset Manager                                       Market
                              and Fund

Established                     1986                  2005                      2008                2006           2007           2006           2007

Assets under management   $10.5 Billion(1)        $3.2 Billion              $2.4 Billion        $0.9 Billion   $0.4 Billion   $0.4 Billion   $0.8 Billion

Investment types             Senior and      Senior and Subordinated     Agency Securities         Equity         Equity      Senior Debt        CMBS
                            Subordinated         Debt and Equity
                           Debt, Equity,
                             Structured
                              Products

Equity capital type          Permanent              Permanent                Permanent          Finite Life    Finite Life    Finite Life    Finite Life

(1) Includes our investment in third party funds that we manage.

European Capital is a publicly traded fund, which is not registered under U.S. securities law, and invests in and sponsors management and employee buyouts, invests in private equity buyouts and provides capital directly to private and mid-sized public companies primarily in Europe. European Capital was established in Guernsey in 2005. On May 10, 2007, European Capital closed on an IPO of ordinary shares, and the ordinary shares were admitted to the Official List of the U.K. Financial Services Authority and to trading on the main market of the London Stock Exchange under the ticker symbol "ECAS." American Capital, LLC earns an annual base management fee of 2% of European Capital's assets and receives 20% of the net profits of European Capital, subject to certain hurdles.

AGNC is a publicly traded mortgage real estate investment trust, or REIT, that invests exclusively in single-family residential mortgage pass-through securities and collateralized mortgage obligations or CMOs, on a leveraged basis. These investments consist of securities issued and guaranteed by government-sponsored entities such as the Federal National Mortgage Association and the Federal Home Loan Mortgage Corporation or by a U.S. Government agency such as the Government National Mortgage Association. On May 20, 2008, AGNC successfully completed its IPO of 10 million shares of common stock for net proceeds, net of the underwriters' discount and estimated expenses, of $186 million. In a private placement concurrent with the AGNC IPO, we purchased 5 million shares of AGNC common stock at the IPO price of $20.00 per share, for proceeds of $100 million. AGNC's net proceeds from the IPO and the concurrent private placement were $286 million. The shares are traded on the The NASDAQ Global Market under the symbol "AGNC." American Capital, LLC earns an annual base management fee of 1.25% of AGNC's shareholders' equity.

ACE I is a private equity fund established in 2006 with $1 billion of equity commitments from third party investors. ACE I purchased 30% of our equity investments in 96 portfolio companies for an aggregate purchase price of $671 million. Also, ACE I co-invested with American Capital in an amount equal to 30% of equity investments made by American Capital between October 2006 and November 2007 until the $329 million remaining equity commitment was exhausted. In addition, 10%, or $100 million, of the $1 billion of equity commitments are recallable for additional co-investments with American Capital once they have been distributed to the third party ACE I investors. As of June 30, 2008, there were $91 million of recallable distributions available for add-on investments. American Capital, LLC manages ACE I in exchange for a 2% annual base management fee on the net cost basis of ACE I's assets and 10% to 30% of the net profits of ACE I, subject to certain hurdles.

ACE II is a private equity fund established in 2007 with $585 million of equity commitments from third party investors. ACE II purchased 17% of our equity investments in 80 portfolio companies for an aggregate purchase price of $488 million. The remaining $97 million commitments will be used to fund add-on investments in the 80 portfolio companies. In addition, 10%, or $58.5 million, of the $585 million of equity commitments are recallable for additional co-investments with American Capital once they have been distributed to the third party ACE II investors. As of June 30, 2008, ACE II had $90 million and $58.5 million of unfunded equity commitments and recallable distributions available for add-on investments, respectively. American Capital, LLC manages ACE II in exchange for a 2% annual base management fee on the net cost basis of ACE II's assets and 10% to 30% of the net profits of ACE II, subject to certain hurdles.

In April 2007, ACAS CLO-1 completed a $400 million securitization of broadly syndicated and middle market senior loans. We purchased 55% of the BB rated notes and 70% of the non-rated subordinated notes in ACAS CLO-1 for a total purchase price of $33 million. American Capital, LLC earns an annual base management fee of 0.68% of ACAS CLO-1's assets and receives 20% of the net profits of ACAS CLO-1, subject to certain hurdles.

ACAS CRE CDO was established in 2007 as a commercial real estate collateralized debt obligation trust that holds investments in subordinated tranches of CMBS trusts. We own investment grade and non-investment grade notes and preferred shares of ACAS CRE CDO. American Capital, LLC serves as the collateral manager for ACAS CRE CDO in exchange for an annual senior management fee of 7.5 basis points and a subordinate management fee of 7.5 basis points.

Summary of Critical Accounting Policies

The preparation of our financial condition and results of operations requires us to make judgments and estimates that may have a significant impact upon the financial results of the Company. We believe that of our significant accounting policies, the following require estimates and assumptions that require complex, subjective judgments by management, which can materially impact reported results: Valuation of Investments; Interest and Dividend Income Recognition; Stock-based Compensation; and Derivative Financial Instruments. Our accounting policy for the Valuation of Investments was modified during the first quarter of 2008 and is presented below. The remaining critical accounting policies are more fully described in "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the year ended December 31, 2007.

Valuation of Investments

Our investments are carried at fair value in accordance with the 1940 Act and Statement of Financial Accounting Standards ("SFAS") No. 157, Fair Value Measurements ("SFAS No. 157"). In accordance with the 1940 Act, unrestricted minority-owned publicly traded securities for which market quotations are readily available are valued at the closing market quote on the valuation date and majority-owned publicly traded securities and other privately held securities are valued as determined in good faith by our Board of Directors. For securities of companies that are publicly traded for which we have a majority-owned interest, the value is based on the closing market quote on the valuation date plus a control premium if our Board of Directors determines in good faith that additional value above the closing market quote would be obtainable upon a sale or transfer of our controlling interest.

We adopted SFAS No. 157 on January 1, 2008. SFAS No. 157 provides a framework for measuring the fair value of assets and liabilities. SFAS No. 157 also provides guidance regarding a fair value hierarchy, which prioritizes information used to measure fair value and the effect of fair value measurements on earnings and provides for enhanced disclosures determined by the level within the hierarchy of information used in the valuation. SFAS No. 157 applies whenever other standards require (or permit) assets or liabilities to be measured at fair value but does not expand the use of fair value in any new circumstances.

SFAS No. 157 defines fair value in terms of the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The price used to measure the fair value is not adjusted for transaction costs while the cost basis of our investments may include initial transaction costs. Under SFAS No. 157, the fair value measurement also assumes that the transaction to sell an asset occurs in the principal market for the asset or, in the absence of a principal market, the most advantageous market for the asset. The principal market is the market in which the reporting entity would sell or transfer the asset with the greatest volume and level of activity for the asset. In determining the principal market for an asset or liability under SFAS No. 157, it is assumed that the reporting entity has access to the market as of the measurement date. If no market for the asset exists or if the reporting entity does not have access to the principal market, the reporting entity should use a hypothetical market.

The market in which we would sell our private finance investments is the mergers and acquisition ("M&A") market. Under SFAS No. 157, we have indentified the M&A market as our principal market for portfolio companies only if we have the ability to initiate a sale of the portfolio company as of the measurement date. We decide whether we have the ability to initiate a sale of a portfolio company based on our ability to control or gain control of the board of directors of the portfolio company as of the measurement date. In evaluating if we can control or gain control of a portfolio company as of the measurement date, we include our equity securities and those securities held by entities managed by American Capital, LLC, on a fully diluted basis. For investments in securities of portfolio companies for which we do not have the ability to control or gain control as of the measurement date and for which there is no active market, our principal market under SFAS No. 157 is a hypothetical secondary market. The determination of the principal market used to estimate the fair value of each of our investments can have a material impact on our estimate of the fair value of our investments.

The levels of fair value inputs used to measure our investments are characterized in accordance with the fair value hierarchy established by SFAS No. 157. Where inputs for an asset or liability fall into more than one level in the fair value hierarchy, the investment is classified in its entirety based on the lowest level input that is significant to that investment's fair value measurement. We use judgment and consider factors specific to the investment in determining the significance of an input to a fair value measurement. The three levels of the fair value hierarchy and investments that fall into each of the levels are described below:

• Level 1: Level 1 inputs are unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities. We use Level 1 inputs for investments in publicly traded unrestricted securities for which we do not have a controlling interest. Such investments are valued at the closing price on the measurement date.

• Level 2: Level 2 inputs are inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly. We did not value any of our investments using Level 2 inputs as of June 30, 2008.

• Level 3: Level 3 inputs are unobservable and cannot be corroborated by observable market data. We use Level 3 inputs for measuring the fair value of substantially all of our investments as follows:

- For investments in securities of companies that are publicly traded for which we have a controlling interest, the fair value of the investment is based on the closing price of the security on the measurement date adjusted for the fair value of a control premium, if any, based on the value above the closing market quote that would be obtainable upon a sale of our controlling interest. A control premium incorporated into the valuation would be considered a Level 3 input if it has a significant impact on the determination of fair value.

- For securities of portfolio companies for which we have identified the M&A market as the principal market, we estimate the fair value based on the enterprise value waterfall ("Enterprise Value Waterfall") valuation methodology. Under the Enterprise Value Waterfall valuation methodology, we estimate the enterprise fair value of the portfolio company and then waterfall the enterprise value over the portfolio company's securities in order of their preference relative to one another. For minority equity securities, we also estimate the fair value using the Enterprise Value