Exhibit 99.1



          NGP Capital Resources Company Announces Portfolio Investment



    HOUSTON--(BUSINESS WIRE)--Aug. 22, 2006--NGP Capital Resources
Company (NASDAQ:NGPC):

    Update on Investment Activity

    NGP Capital Resources Company (NASDAQ:NGPC) today announced that
it has closed a $15 million Senior Secured Credit Facility (the
"Facility") with BSR Alto, LLC ("BSR Alto"), a private Texas based oil
and gas producer. NGPC acted as agent and sole lender for the
Facility. Initial availability under the Facility is $8 million, with
approximately $1.3 million funded at closing. The Facility is secured
by first liens on substantially all of BSR Alto's properties and is
structured as a three year multiple-advance term loan.
    Additionally, as partial consideration for providing the Facility,
NGPC received warrants in BSR Alto and an overriding royalty interest
in its properties. Proceeds from the Facility will be used by BSR Alto
to acquire and develop oil and gas assets located in East Texas.
    Following these transactions, NGPC has committed and made
available for funding an approximate total of $211 million to twelve
portfolio companies, with approximately $173 million currently
outstanding.

    About NGP Capital Resources Company

    NGP Capital Resources Company is a closed-end investment company
that has elected to be treated as a business development company under
the Investment Company Act of 1940. The Company's investment portfolio
is principally 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. NGP Energy Capital
Management, based in Irving, Texas, is a leading investment firm with
over $3.6 billion of cumulative capital under management since
inception, serving all sectors of the energy industry.
    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.
    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.



    CONTACT: NGP Capital Resources Company, Houston
             Investment Contact:
             Richard Bernardy, 713-752-0062
             rbernardy@ngpcrc.com
             or
             Kelly Plato, 713-752-0062
             kplato@ngpcrc.com
             or
             Investor Relations Contact:
             Steve Gardner, 713-752-0062
             investor_relations@ngpcrc.com