PSEC – A Prospect Capital Fund

Prospect Capital Announces 86% IRR on Realization of Net Profits Interests in IEC and ARS for $12.6 Million, Worth 43 Cents per Share of Incremental Revenue to Prospect

October 1, 2008

NEW YORK, NY – (MARKET WIRE) – 10/01/08 – Prospect Capital Corporation
(NASDAQ: PSEC) (“Prospect”) announced today that IEC Systems LP
(“IEC”) and Advanced Rig Services LLC (“ARS”) have purchased
Prospect’s net prof…