PSEC – A Prospect Capital Fund

Prospect Capital Announces 12th Consecutive Quarterly Dividend Increase, Representing a 10% Current Yield, With September 17th as Ex-Dividend Date

September 6, 2007

NEW YORK, NY — (MARKET WIRE) — 09/06/07 — Prospect Capital Corporation(NASDAQ: PSEC) (“Prospect”) announced today that it has declared a firstfiscal quarter (for the fiscal year ending June 30, 2008) dividend of$0.3925 per share.

This dividend marks the twelfth consecutive quarterly increase. Thedividend now represents an approximately 10% current yield.

The ex-dividend date is Monday, September 17, 2007.

The record date is Wednesday, September 19, 2007, and the payment date isFriday, September 28, 2007.

Dividend HistoryDividend Per Share      Quarter Ended------------------      -------------$0.3925September 30, 2007$0.39June 30, 2007$0.3875March 31, 2007$0.385December 31, 2006$0.38September 30, 2006$0.34June 30, 2006$0.30March 31, 2006$0.28December 31, 2005$0.20September 30, 2005$0.15June 30, 2005$0.125March 31, 2005$0.10December 31, 2004

ABOUT PROSPECT CAPITAL CORPORATION

Prospect Capital Corporation (www.prospectstreet.com/) is a closed-endinvestment company that lends to and invests in private and microcap publicbusinesses. Prospect Capital’s investment objective is to generate bothcurrent income and capital appreciation through debt and equityinvestments.

Prospect Capital has elected to be treated as a business developmentcompany under the Investment Company Act of 1940 (“1940 Act”). We arerequired to comply with a series of regulatory requirements under the 1940Act as well as applicable NASDAQ, federal and state laws and regulations.We have elected to be treated as a regulated investment company under theInternal Revenue Code of 1986. Failure to comply with any of the laws andregulations that apply to Prospect Capital could have a material adverseeffect on Prospect Capital and its shareholders.

This press release contains forward-looking statements within the meaningof the Private Securities Litigation Reform Act of 1995. Any suchstatements, other than statements of historical fact, are likely to beaffected by other unknowable future events and conditions, includingelements of the future that are or are not under the Company’s control, andthat the Company may or may not have considered; accordingly, suchstatements cannot be guarantees or assurances of any aspect of futureperformance. Actual developments and results are highly likely to varymaterially from these estimates and projections of the future. Suchstatements speak only as of the time when made, and the Company undertakesno obligation to update any such statement now or in the future.

Please send investment proposals to:Grier EliasekPresident and Chief Operating Officergrier@prospectstreet.com(212) 448-9577