BlackRock Kelso Capital invites all interested persons to attend its webcast/teleconference call at 4:30 p.m. (Eastern Time) on Thursday, November 5, 2009 to discuss its third quarter 2009 financial results. The Company's third 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, November 5, 2009 and reference the BlackRock Kelso Capital Corporation Conference Call (ID Number 34017498). 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, November 5, 2009 and ending at midnight on Thursday, November 12, 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 34017498. 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.

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