NASB Financial, Inc. NEWS RELEASE Contact: Keith B. Cox President NASB Financial, Inc. 12498 South 71 Highway Grandview, MO 64030 Phone (816) 765-2200 FOR IMMEDIATE RELEASE: NASB Financial, Inc. Declares Cash Dividend on Common Stock Grandview, Missouri (July 29, 2003) - At its board meeting on July 29, 2003, the Board of Directors of NASB Financial, Inc. (NASDAQ:NASB), declared a cash dividend on common stock of $0.17 per share, payable on August 29, 2003, to stockholders of record August 8, 2003. NASB Financial, Inc. is a unitary thrift holding company for North American Savings Bank, F.S.B. ("North American" or the "Bank"). North American operates five offices in greater Kansas City, Missouri and others in Harrisonville, St. Joseph, and Excelsior Springs, Missouri. The Bank also has loan origination offices in Lee's Summit, Springfield, St. Charles, and St. Louis, Missouri as well as Overland Park, Leawood, and Lawrence, Kansas. <Page>