Prosperity Bancshares, Inc. to Transfer Listing to NYSE Under Symbol "PB"

Prosperity Bancshares, Inc. PRSP, the parent company of Prosperity Bank, today announced the pending transfer of the listing of its common stock from the NASDAQ Global Select Market to the New York Stock Exchange. The Company expects to begin trading, under the new ticker symbol "PB" on the NYSE on or about December 28, 2011.  Until the transfer is complete, the Company's common stock will continue to trade under the ticker symbol "PRSP" on NASDAQ.