Exhibit 99.1

                NGP Capital Resources Company Announces Portfolio
                    Investment Update on Investment Activity


     HOUSTON--(BUSINESS WIRE)--June 30, 2006--NGP Capital Resources Company
(NASDAQ:NGPC) today announced that it has closed a $12 million Senior Secured
Credit Facility (the "Facility") with Crossroads Energy, LP ("Crossroads"), a
private Houston, Texas based oil and gas producer. NGPC acted as agent and sole
lender for the Facility. Initial availability under the Facility is
approximately $2.4 million, with approximately $0.25 million funded at closing.
     The Facility is secured by first liens on substantially all of Crossroads'
properties. Additionally, as partial consideration for providing the Facility,
NGPC received an overriding royalty interest in Crossroads' properties.
     Proceeds of the Facility will be used by Crossroads to develop oil and gas
assets located along the Gulf Coast of Texas.

     Following this investment, NGPC currently has committed and made available
for funding an approximate total of $178 million to ten portfolio companies,
with approximately $154 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 focused principally
on energy related private companies and public companies not traded on a
national exchange. From time to time, the Company may also invest in other
public companies that are traded on a national exchange. The Company invests
primarily in senior secured and mezzanine loans in furtherance of its business
plan and may also make 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:
              Rich 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