CHATSWORTH, Calif.--(BUSINESS WIRE)--North American Scientific, Inc. (Nasdaq: NASI) announced today that it will issue financial results for the first fiscal quarter of 2008, which ended January 31, 2008, at market close on Wednesday, March 19, 2008. The Company will host an investor conference call to review its first quarter 2008 financial results and latest corporate developments, beginning at 1:30 p.m. Pacific Time/4:30 p.m. Eastern Time on Wednesday, March 19, 2008. The dial-in number for the conference call is 800-798-2801 for domestic participants and 617-614-6205 for international participants.