PSEC – A Prospect Capital Fund

Prospect Capital Provides Mezzanine Debt Financing to Diamondback

August 29, 2007

NEW YORK, NY – (MARKET WIRE) – 08/29/07 – Prospect Capital Corporation
(NASDAQ: PSEC) (“Prospect”) announced today that it has provided
growth and recapitalization financing of approximately $9.2 million to
Diamondback Operating, LP (“…