PSEC – A Prospect Capital Fund

Prospect Capital Announces an 83% Unrealized IRR and 29% Realized-to-Date Cash-on-Cash IRR Monetization of Deep Down, Inc.

June 10, 2008

NEW YORK, NY – (MARKET WIRE) – 06/10/08 – Prospect Capital Corporation
(NASDAQ: PSEC) (“Prospect”) announced today that Deep Down, Inc.
(“Deep Down”) has repaid Prospect’s $12 million loan. Prospect has
realized to date an ap…