Great Southern Bancorp, Inc. Added to Russell 3000(R) Index

SPRINGFIELD, Mo., June 29 /PRNewswire-FirstCall/ -- Officials of Great
Southern Bancorp, Inc. (Nasdaq: GSBC), the holding company for Great Southern
Bank, today announced that it has been added to the broad-market Russell
3000(R) Index and small-cap Russell 2000(R) Index effective after the stock
market close on June 26, 2009.

Great Southern President and CEO Joseph W. Turner commented, "Our inclusion in
the Russell indexes reflects well on our Company's performance during this
very difficult period in the financial services sector and the economy at
large."

The Russell 3000(R) Index measures the performance of the 3,000 largest U.S.
companies based on total market capitalization. Membership in the Russell
3000(R) Index, which remains in place for one year, means automatic inclusion
in the small-cap Russell 2000(R) Index or the large-cap Russell 1000(R) Index.
Russell determines membership for its equity indexes primarily by objective,
market-capitalization rankings and style attributes.

Russell indexes are widely used by investment managers and institutional
investors for index funds and as benchmarks for both passive and active
investment strategies. An investment-leading $4 trillion in assets currently
are benchmarked to theses indexes.

With total assets of $3.4 billion, Great Southern offers banking, investment,
insurance and travel services. Headquartered in Springfield, Mo., Great
Southern operates 57 retail banking centers and more than 200 ATMs in
Missouri, Kansas and Nebraska. The company also serves lending needs through
loan production offices in Overland Park, Kan., Rogers, Ark., and St. Louis.
Great Southern Bancorp is a public company and its common stock (ticker: GSBC)
is listed on the NASDAQ Global Select stock exchange.

www.greatsouthernbank.com

Forward-Looking Statements

When used in future filings by the Company with the Securities and Exchange
Commission (the "SEC"), in the Company's press releases or other public or
shareholder communications, and in oral statements made with the approval of
an authorized executive officer, the words or phrases "will likely result"
"are expected to," "will continue," "is anticipated," "estimate," "project,"
"intends" or similar expressions are intended to identify "forward-looking
statements" within the meaning of the Private Securities Litigation Reform Act
of 1995. Such statements are subject to certain risks and uncertainties,
including, among other things, changes in economic conditions in the Company's
market area, changes in policies by regulatory agencies, fluctuations in
interest rates, the risks of lending and investing activities, including
changes in the level and direction of loan delinquencies and write-offs and
changes in estimates of the adequacy of the allowance for loan losses, the
Company's ability to access cost-effective funding, fluctuations in real
estate values and both residential and commercial real estate market
conditions, demand for loans and deposits in the Company's market area and
competition, that could cause actual results to differ materially from
historical earnings and those presently anticipated or projected. The Company
wishes to advise readers that the factors listed above could affect the
Company's financial performance and could cause the Company's actual results
for future periods to differ materially from any opinions or statements
expressed with respect to future periods in any current statements.

The Company does not undertake-and specifically declines any obligation- to
publicly release the result of any revisions which may be made to any
forward-looking statements to reflect events or circumstances after the date
of such statements or to reflect the occurrence of anticipated or
unanticipated events.

SOURCE Great Southern Bancorp, Inc.

Kelly Polonus of Great Southern Bank, +1-417-895-5242,
kpolonus@greatsouthernbank.com