CHATSWORTH, Calif.--(BUSINESS WIRE)--Aug. 24, 2006--North American Scientific, Inc. (Nasdaq:NASI) announced today that it will issue results for the third quarter of fiscal year 2006, which ended July 31, 2006, at market close on Thursday, September 7, 2006. The Company will host an investor conference call to review its third quarter fiscal year 2006 financial results and latest corporate developments, beginning at 1:30 p.m. PDT/4:30 p.m. EDT on Thursday, September 7, 2006. The dial-in number for the conference call is 800-218-0204 for domestic participants and 303-262-2140 for international participants.