Triangle Invests in Comverge

Triangle Capital Corporation has closed a $16.0 million investment in Comverge consisting of subordinated debt and equity. Based in Norcross, GA, Comverge is a provider of energy management solutions.

PRESS RELEASE

Triangle Capital
Corporation (NYSE:TCAP) (“Triangle” or the “Company”), a leading
provider of capital to lower middle market companies located throughout
the United States, announced today that it closed a $16.0 million
investment in Comverge, Inc. (“Comverge”) consisting of subordinated
debt and equity. Based in Norcross, GA, Comverge delivers a
comprehensive suite of intelligent energy management solutions that
enable utilities, grid operators, and commercial and industrial
organizations to optimize their energy usage in order to reduce costs,
meet regulatory requirements, and support sustainability initiatives.

About Triangle Capital Corporation

Triangle Capital Corporation (www.TCAP.com) invests capital in
established companies in the lower middle market to fund growth,
changes of control and other corporate events. Triangle offers a wide
variety of investment structures, and specializes in mezzanine
financing with equity components. Triangle’s investment objective is to
seek attractive returns by generating current income from debt
investments and capital appreciation from equity related investments.
Triangle’s investment philosophy is to partner with business owners,
management teams and financial sponsors to provide flexible financing
solutions. Triangle typically invests $5.0 million – $25.0 million per
transaction in companies with annual revenues between $20.0 million and
$200.0 million and EBITDA between $3.0 million and $20.0 million.

Triangle has elected to be treated as a business development company
under the Investment Company Act of 1940 (“1940 Act”). Triangle is
required to comply with a series of regulatory requirements under the
1940 Act as well as applicable NYSE, federal and state laws and
regulations. Triangle has elected to be treated as a regulated
investment company under the Internal Revenue Code of 1986. Failure to
comply with any of the laws and regulations that apply to Triangle
could have a material adverse effect on Triangle and its stockholders.

Forward Looking Statements

This press release may contain forward looking statements within the
meaning of the Private Securities Litigation Reform Act of 1995. Any
such statements, other than statements of historical fact, are likely
to be affected by other unknowable future events and conditions,
including elements of the future that are or are not under the
Company’s control, and that the Company may or may not have considered;
accordingly, such statements cannot be guarantees or assurances of any
aspect of future performance. Actual developments and results are
highly likely to vary materially from these estimates and projections
of the future and some of these uncertainties are enumerated in
Triangle’s filings with the Securities and Exchange Commission. Certain
factors that could cause actual results to differ materially from those
contained in the forward-looking statements are included in our annual
reports on Form 10-K, quarterly reports on Form 10-Q and current
reports on Form 8-K, each as filed with the Securities and Exchange
Commission. Copies are available on the SEC’s website at www.sec.gov.
Such statements speak only as of the time when made, and the Company
undertakes no obligation to update any such statement now or in the
future.

CONTACT: Sheri Blair Colquitt
Vice President, Investor Relations
919-719-4784
scolquitt@tcap.com

Steven C. Lilly
Chief Financial Officer
919-719-4789
slilly@tcap.com