OHA Investment Corporation
May 6, 2010

NGP Capital Resources Company Announces First Quarter 2010 Financial Results and Portfolio Activity

HOUSTON, May 6, 2010 (GlobeNewswire via COMTEX News Network) -- NGP Capital Resources Company (Nasdaq:NGPC) (the "Company") today announced its financial results for the first quarter ended March 31, 2010.

Highlights for the quarter ended March 31, 2010:

  Stockholders' equity:                       $241.5 million
  Net asset value per share:                  $11.17

  Operating Results:
  Net increase in stockholders' equity (net
   assets) from operations:                     $5.0 million
  Net investment income:                        $2.4 million
  Net unrealized gain (loss) on investments:    $2.6 million
  Dividends declared per common share:        $0.17

  Portfolio and Investment Activity:
  Total invested in portfolio companies at
   March 31, 2010:                            $242.7 million
  Number of portfolio companies at March 31,
   2010:                                      15

Portfolio and Investment Activity

During the quarter ended March 31, 2010, the Company funded $5.8 million to existing portfolio companies and received $5.8 million in repayments, realizations and settlements. The Company did not add any new companies to its portfolio during the first quarter of 2010. At March 31, 2010, the Company's targeted investment portfolio consisted of fifteen portfolio companies totaling $242.7 million. The Company had commitments to fund an additional $6.0 million on total committed amounts of $248.7 million.

The weighted average yield on targeted portfolio investments, exclusive of capital gains, was 7.23% at March 31, 2010. The weighted average yield on investments in corporate notes was 5.82%, and the weighted average yield on investments in cash and cash equivalents was 0.57%. The weighted average yield on the Company's total capital invested at March 31, 2010 was 5.22%.

Operating Results -- Three months ended March 31, 2010

Investment income totaled $5.2 million for the quarter ended March 31, 2010, with $4.9 million attributable to interest from the Company's targeted portfolio investments, $0.2 million net loss attributable to royalty income, net of amortization, and $0.5 million net income attributable to investments in corporate notes, cash equivalents and fee income from third parties and affiliates. Operating expenses for the quarter ended March 31, 2010 were $3.0 million and included $1.3 million of advisory and management fees, $0.3 million of interest expense and credit facility fees and $1.4 million of general and administrative expenses. The resulting net investment income, including a $0.3 million benefit for income taxes, was $2.4 million.

For the three months ended March 31, 2010, the Company experienced net unrealized appreciation before income taxes of $2.9 million, consisting of a $2.5 million increase in targeted portfolio fair value and a $0.4 million increase in the fair value of corporate notes. The increase in targeted portfolio fair value was largely a result of changes in the estimated current market values of underlying assets.

Overall, the Company had a net increase in stockholders' equity (net assets) resulting from operations of $5.0 million, or $0.24 per common share, for the three months ended March 31, 2010 and dividends declared during the period of $0.17 per common share, resulting in stockholders' equity (net assets) per common share of $11.17 as of March 31, 2010.

Subsequent Events

In April 2010, the Company and Tammany Oil & Gas, LLC ("Tammany") agreed to amend the Company's credit agreement with Tammany. Under the amended terms, the Company extended the maturity of the credit agreement from April 21, 2010 to September 21, 2010.

Conference Call at 11:00 a.m. Eastern Time on May 6, 2010

The Company invites all interested persons to participate in its conference call on May 6, 2010 at 11:00 a.m. Eastern Time. The dial-in number for the call is (877) 303-7617. International callers should dial (760) 666-3609.

The Company will maintain an audio replay of the call from 2:00 p.m. Eastern Time on May 6, 2010 through midnight May 13, 2010. The replay dial-in number is (800) 642-1687. International callers should dial (706) 645-9291. The replay pass code is 72286497. The call will also be accessible via the internet, on our Investor Relations page at www.ngpcrc.com.

                      NGP CAPITAL RESOURCES COMPANY
                       CONSOLIDATED BALANCE SHEETS


                                                          December 31,
                                         March 31, 2010       2009
                                         --------------  --------------
                                          (Unaudited)
  Assets
   Investments in portfolio securities
    at fair value
    Control investments - majority
     owned
    (cost: $121,569,741 and
     $118,590,412, respectively)           $ 75,435,448    $ 72,449,620
    Affiliate investments
    (cost: $32,935,839 and $30,727,367,
     respectively)                           34,346,136      31,578,945
    Non-affiliate investments
    (cost: $87,157,197 and $92,832,647,
     respectively)                           83,256,296      86,965,378
   Investments in corporate notes at
    fair value
    (cost: $11,527,241 and $11,539,564,
     respectively)                            9,416,400       9,062,200
   Investments in commodity derivative
    instruments at fair value
    (cost: $0 and $30,100,
     respectively)                                   --          49,000
                                         --------------  --------------

     Total investments                      202,454,280     200,105,143
                                         --------------  --------------

   Cash and cash equivalents                105,337,155     108,288,217
   Accounts receivable and other
    current assets                            2,106,347       2,115,663
   Interest receivable                          834,042       1,241,609
   Prepaid assets                             1,904,024       2,201,468

   Deferred tax assets                        3,246,184       2,979,209
                                         --------------  --------------

     Total current assets                   113,427,752     116,826,166
                                         --------------  --------------


     Total assets                         $ 315,882,032   $ 316,931,309
                                         ==============  ==============

  Liabilities and stockholders' equity
   (net assets)
  Current liabilities
   Accounts payable and accrued
    expenses                                $ 1,072,981     $ 1,098,414
   Management and incentive fees
    payable                                   1,373,179       1,415,866
   Dividends payable                          3,676,794       3,676,794

   Income taxes payable                          77,547          62,321
                                         --------------  --------------

     Total current liabilities                6,200,501       6,253,395
                                         --------------  --------------

  Deferred tax liabilities                    3,269,341       3,002,366

  Long-term debt                             64,905,200      67,500,000
                                         --------------  --------------


  Total liabilities                          74,375,042      76,755,761
                                         --------------  --------------

  Commitments and contingencies

  Stockholders' equity (net assets)
   Common stock, $.001 par value,
    250,000,000 shares authorized;
    21,628,202 shares issued and
    outstanding                                  21,628          21,628
   Paid-in capital in excess of par         295,174,063     295,174,063
   Undistributed net investment income
    (loss)                                  (6,189,997)     (4,944,530)
   Undistributed net realized capital
    gain (loss)                                 (9,151)              --
   Net unrealized appreciation
    (depreciation) of portfolio
    securities, corporate notes and
    commodity derivative instruments       (47,489,553)    (50,075,613)
                                         --------------  --------------

     Total stockholders' equity (net
      assets)                               241,506,990     240,175,548
                                         --------------  --------------

  Total liabilities and stockholders'
   equity (net assets)                    $ 315,882,032   $ 316,931,309
                                         ==============  ==============


  Net asset value per share                     $ 11.17         $ 11.10
                                         ==============  ==============


                       NGP CAPITAL RESOURCES COMPANY
                   CONSOLIDATED STATEMENTS OF OPERATIONS
                                 (Unaudited)

                                              For The Three Months Ended

                                              March 31,
                                                 2010       March 31, 2009
                                             ------------  ---------------
                                                            (As Restated)
  Investment income
   Interest and dividend income:
    Control investments - majority owned      $ 1,099,979             $ --
    Affiliate investments                         832,913        1,356,076
    Non-affiliate investments                   3,177,541        4,838,463
   Royalty income (loss), net of
    amortization:
    Control investments - majority owned          294,811           23,336
    Non-affiliate investments                   (518,056)        (917,638)
   Commodity derivative income, net of
    expired options                                16,079        3,173,852

   Other income                                   290,000           58,800
                                             ------------  ---------------


   Total investment income                      5,193,267        8,532,889
                                             ------------  ---------------

  Operating expenses
   Management and incentive fees                1,338,569        1,833,848
   Professional fees                              265,304          166,727
   Insurance expense                              185,658          200,221
   Interest expense and fees                      313,063          997,842
   Other general and administrative
    expenses                                      946,420          796,948
                                             ------------  ---------------


    Total operating expenses                    3,049,014        3,995,586
                                             ------------  ---------------

  Net investment income before income taxes     2,144,253        4,537,303


  Benefit (provision) for income taxes            287,074            4,291
                                             ------------  ---------------


  Net investment income                         2,431,327        4,541,594
                                             ------------  ---------------

  Net realized capital gain (loss) on
   investments
    Net realized capital gain (loss) on
     portfolio securities, corporate notes
     and commodity derivative instruments:
    Benefit (provision) for taxes on
     capital gain                                 (9,151)               --
                                             ------------  ---------------

     Total net realized capital gain (loss)
      on investments                              (9,151)               --
                                             ------------  ---------------

  Net unrealized gain (loss) on investments
   Net increase (decrease) in unrealized
    appreciation (depreciation) on
    portfolio securities, corporate notes
    and commodity derivative instruments:
    Control investments - majority owned            6,501      (4,075,662)
    Affiliate investments                         558,719          205,744
    Non-affiliate investments                   2,313,989     (20,690,114)
   Benefit (provision) for taxes on
    unrealized gain                             (293,149)        1,385,826
                                             ------------  ---------------

     Total net unrealized gain (loss) on
      investments                               2,586,060     (23,174,206)
                                             ------------  ---------------

  Net increase (decrease) in stockholders'
   equity (net assets) resulting from
   operations                                 $ 5,008,236   $ (18,632,612)
                                             ============  ===============

  Net increase (decrease) in stockholders'
   equity (net assets) resulting from
   operations per common share                     $ 0.24         $ (0.86)
                                             ============  ===============


                                             For The Three Months
                                                     Ended

                                             March       March 31,
  Per Share Data                            31, 2010        2009
                                            --------     ---------
                                                         (As
                                                         Restated)


  Net asset value, beginning of period       $ 11.10       $ 12.15
                                            --------     ---------

  Net investment income                         0.11          0.21
  Net realized and unrealized gain
   (loss) on portfolio securities,
   corporate notes and commodity
   derivative instruments                       0.13        (1.07)
                                            --------     ---------
  Net increase (decrease) in
   stockholders' equity (net assets)
   resulting from operations                    0.24        (0.86)
                                            --------     ---------

  Net asset value before dividends             11.34         11.29


  Dividends declared                          (0.17)        (0.20)
                                            --------     ---------


  Net asset value, end of period             $ 11.17       $ 11.09
                                            ========     =========

About NGP Capital Resources Company

NGP Capital Resources Company is a closed-end, non-diversified management investment company that has elected to be regulated as a business development company under the Investment Company Act of 1940. The Company's investment portfolio is principally invested in energy related private companies. From time to time, the Company may also invest in public companies. The Company invests primarily in senior secured and mezzanine loans in furtherance of its business plan and in some instances receives equity investments in portfolio companies in connection with such investments. NGP Capital Resources Company is managed by NGP Investment Advisor, LP, an affiliate of NGP Energy Capital Management, L.L.C. NGP Energy Capital Management, L.L.C., based in Irving, Texas, is a leading investment firm with over $9.5 billion of cumulative capital under management since inception, serving all sectors of the energy industry.

The NGP Capital Resources Company logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=4362

This press release may contain forward-looking statements. These forward-looking statements are subject to various risks and uncertainties, which could cause actual results and conditions to differ materially from those projected, including the uncertainties associated with the timing of transaction closings, changes in interest rates, availability of transactions, the future operating results of our portfolio companies, changes in regional, national, or international economic conditions and their impact on the industries in which we invest, or changes in the conditions of the industries in which we invest, and other factors enumerated in our filings with the Securities and Exchange Commission (the "SEC").

We may use words such as "anticipates," "believes," "expects," "intends," "will," "should," "may" and similar expressions to identify forward-looking statements. Undue reliance should not be placed on such forward-looking statements as such statements speak only as of the date on which they are made. We do not undertake to update our forward-looking statements unless required by law.

Persons considering an investment in NGP Capital Resources Company should consider the investment objectives, risks, and charges and expenses of the Company carefully before investing. Such information and other information about the Company is available in our annual report on Form 10-K, in our quarterly reports on Form 10-Q and in prospectuses we issue from time to time in connection with our offering of securities. Such materials are filed with the SEC and copies are available on the SEC's website, www.sec.gov. Prospective investors should read such materials carefully before investing.

INVESTMENT CONTACT: Please send investment proposals to: NGP Capital Resources Company, John Homier (jhomier@ngpcrc.com), Kelly Plato (kplato@ngpcrc.com), Dan Schockling (dschockling@ngpcrc.com), Hans Hubbard (hhubbard@ngpcrc.com), or Chris Ryals (cryals@ngpcrc.com), 713-752-0062.

This news release was distributed by GlobeNewswire, www.globenewswire.com

SOURCE: NGP Capital Resources Company

CONTACT:  NGP Capital Resources Company
Investor Relations Contact:
Steve Gardner
713-752-0062
investor_relations@ngpcrc.com

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