Item 1.01 Entry into a Material Definitive Agreement

On September 4, 2009, Great Southern Bank (the "Bank"), the wholly owned subsidiary of Great Southern Bancorp, Inc., announced that it had entered into a definitive agreement (the "Agreement") with the FDIC, pursuant to which the Bank assumed all deposits at a 0.50% premium, and certain assets of Vantus Bank, a full-service bank headquartered in Sioux City, Iowa, at a discount of $75 million. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated by reference herein. The Agreement also provides that the acquired loans and other real estate owned will be covered by a loss share arrangement between the FDIC and the Bank which provides the Bank significant protection.

The foregoing summary of the Agreement is not complete and is qualified in its entirety by reference to the full text of the Agreement, a copy of which is attached hereto as Exhibit 2.1 and incorporated by reference herein.

Item 2.01 Completion of Acquisition or Disposition of Assets

The information set forth under Item 1.01 "Entry into a Material Definitive Agreement" is incorporated by reference into this Item 2.01.

Item 9.01 Financial Statements and Exhibits

(a) Financial Statements of Businesses Acquired

To the extent that consolidated financial statements are required by this Item, they will be filed in an amendment to this report no later than November 23, 2009.

(b) Pro Forma Financial Information

To the extent that pro forma financial information is required by this Item, it will be filed in an amendment to this report no later than November 23, 2009.

(d) Exhibits

2.1 Purchase and Assumption Agreement dated September 4, 2009
99.1 Press release dated September 4, 2009