BlackRock Kelso Capital Corporation to Report First Quarter Earnings on May 7

NEW YORK--(Business Wire)--
BlackRock Kelso Capital Corporation (NASDAQ:BKCC) ("BlackRock Kelso Capital" or
the "Company") announced today that it will report earnings for the quarter
ended March 31, 2009 on Thursday, May 7, 2009 prior to the opening of the
financial markets.

BlackRock Kelso Capital invites all interested persons to attend its
webcast/teleconference call at 4:30 p.m. (Eastern Time) on Thursday, May 7, 2009
to discuss its first quarter 2009 financial results. The Company`s first quarter
earnings release will be available in the investor relations section of its
website, www.blackrockkelso.com.

Members of the public who are interested in participating in the teleconference
should dial, from the United States, (800) 374-0176, or from outside the United
States, (706) 679-3431, shortly before 4:30 p.m. on Thursday, May 7, 2009 and
reference the BlackRock Kelso Capital Corporation Conference Call (ID Number
94261769). A live, listen-only webcast will also be available via the investor
relations section of www.blackrockkelso.com.

Both the teleconference and webcast will be available for replay by 8:00 p.m. on
Thursday, May 7, 2009 and ending at midnight on Thursday, May 14, 2009. To
access the replay of the teleconference, callers from the United States should
dial (800) 642-1687 and callers from outside the United States should dial (706)
645-9291 and enter the Conference ID Number 94261769. To access the webcast,
please visit the investor relations section of www.blackrockkelso.com.

About BlackRock Kelso Capital Corporation

BlackRock Kelso Capital Corporation is a business development company formed in
early 2005 by its management team, BlackRock, Inc. and principals of Kelso &
Company, to provide debt and equity capital to middle-market companies.

The Company's investment objective is to generate both current income and
capital appreciation through debt and equity investments. The Company invests
primarily in middle-market companies in the form of senior and junior secured
and unsecured debt securities and loans, each of which may include an equity
component, and by making direct preferred, common and other equity investments
in such companies.

Forward-Looking Statements

Statements included herein may constitute "forward looking statements." These
statements are not guarantees of future performance or results and involve a
number of risks and uncertainties. Actual results may differ materially from
those in the forward-looking statements as a result of a number of factors,
including those described from time to time in our filings with the Securities
and Exchange Commission. The Company undertakes no duty to update any forward
looking statements made herein.

Available Information

BlackRock Kelso Capital Corporation`s filings with the Securities and Exchange
Commission, press releases, earnings releases and other financial information
are available on its website at www.blackrockkelso.com.

BlackRock Kelso Capital Corporation
Investors:
Frank Gordon, 212-810-5858
OR
Press:
Brian Beades, 212-810-5596

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