NEW YORK, NY--(Marketwire - July 25, 2012) - Prospect Capital Corporation (NASDAQ: PSEC) ("Prospect") announced today that in connection with its previously announced public offering of 21,000,000 shares of its common stock, which closed on July 16, 2012, Barclays has exercised its option to purchase an additional 3,150,000 shares. The closing of the option exercise is expected to occur on July 27, 2012, subject to customary closing conditions.