CHATSWORTH, Calif.--(BUSINESS WIRE)--North American Scientific, Inc. (NASDAQ: NASI) today announced that it received a notice from The NASDAQ Stock Market (“NASDAQ”) dated April 4, 2008 indicating that the 180 calendar day compliance period granted to the Company in accordance with Marketplace Rule 4450(e)(2) ended on April 2, 2008 and the Company failed to regain compliance with the minimum $1.00 bid price per share requirement for continued listing of its Common Stock on the Nasdaq Capital Market, as set forth in Marketplace Rule 4450(a)(5) (the “Rule). Further, the notice indicated that the Company is not eligible for an additional 180 calendar day compliance period given that it does not meet the Nasdaq Capital Market initial inclusion criteria of $15.0 million Market Value of Publicly Held Shares, as set forth in Marketplace Rule 4310(c). Therefore, the Company’s Common Stock is subject to delisting from the Nasdaq Capital Market at the opening of business on April 15, 2008.