NASB Financial, Inc. NEWS RELEASE Contact: Rhonda Nyhus NASB Financial, Inc. 12498 South 71 Highway Grandview, MO 64030 Phone (816) 765-2200 FOR IMMEDIATE RELEASE: NASB Financial, Inc. Announces Financial Results Grandview, Missouri (May 6, 2009) - NASB Financial, Inc. (NASDAQ: NASB) announced today net income for the quarter ended March 31, 2009, of $4,731,000 or $0.60 per share. This compares to net income of $3,648,000 or $0.46 per share for the quarter ended December 31, 2008, and compares to net income of $2,806,000 or $0.36 per share for the quarter ended March 31, 2008. Net income for the six months ended March 31, 2009, was $8,379,000 or $1.06 per share, compared to net income of $4,675,000 or $0.59 per share for the six months ended March 31, 2008. The Company recorded a provision for loan losses of $1.25 million during the six months ended March 31, 2009. This compares to a provision for loan losses of $1.4 million during the six months ended March 31, 2008. Management analyzes the adequacy of the allowance for loan losses on a quarterly basis. The provision for loan losses can fluctuate based upon management's assessment of changes in economic conditions, the level of classified assets, and the amount of loan charge-offs and recoveries. 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 six 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 and Springfield, Missouri as well as Overland Park, Kansas. (Financial Highlights Schedule Attached) <page> <Table> <Caption> NASB Financial, Inc. Financial Highlights (Dollars in thousands, except per share data) Three months ended Six months ended ------------------------------------- ----------------------- 3/31/09 12/31/08 3/31/08 3/31/09 3/31/08 ------------------------------------- ----------------------- EARNINGS DATA: Net interest income $ 11,006 10,582 9,052 21,588 19,141 Provision for loan losses 1,000 250 700 1,250 1,400 Non-interest income 9,230 5,199 5,390 14,429 7,678 Non-interest expense 11,544 9,599 9,145 21,143 17,783 Income tax expense 2,961 2,284 1,791 5,245 2,961 ------- ------- ------- ------- ------- Net income $ 4,731 3,648 2,806 8,379 4,675 ======= ======= ======= ======= ======== FINANCIAL CONDITION DATA: Total assets $ 1,549,748 1,526,454 1,547,377 1,549,748 1,547,377 Total loans and mortgage-backed and related securities 1,408,702 1,415,784 1,443,355 1,408,702 1,443,355 Customer and brokered deposit accounts 866,950 835,232 815,882 866,950 815,882 Stockholders' equity 157,689 154,397 151,147 157,689 151,147 FINANCIAL RATIOS AND PER SHARE DATA: Book value per share $ 20.04 19.62 19.21 20.04 19.21 Earnings per share 0.60 0.46 0.36 1.06 0.59 Cash dividends paid per share 0.225 0.225 0.225 0.45 0.45 Return on assets (annualized net income divided by total average assets) 1.23% 0.96% 0.73% 1.09% 0.61% Return on equity (annualized net income divided by average stockholders' equity) 12.13% 9.51% 7.46% 10.81% 6.22% Weighted average shares outstanding 7,867,614 7,867,614 7,867,614 7,867,614 7,867,614 </Table> <Page>