CHATSWORTH, Calif.--(BUSINESS WIRE)--North American Scientific, Inc. (Nasdaq:NASI) today announced that it received a letter from The Nasdaq Stock Market (“Nasdaq”) dated February 4, 2008 providing notice that the Company has demonstrated compliance with Nasdaq Marketplace Rules, and that the Nasdaq Listing Qualifications Panel has determined to continue the listing of the Company’s securities on Nasdaq. In addition, the Nasdaq Staff has approved the Company’s application to list its common stock on The Nasdaq Capital Market. The Company’s common stock will be transferred from The Nasdaq Global Market to The Nasdaq Capital Market effective February 6, 2008 and will continue to trade under the symbol “NASI.”