Prosperity Bancshares, Inc.® Declares Quarterly Cash Dividend

        Prosperity Bancshares, Inc.® Declares Quarterly Cash Dividend

PR Newswire

HOUSTON, March 5, 2013

HOUSTON, March 5, 2013 /PRNewswire/ -- Prosperity Bancshares, Inc.^® (NYSE:
PB), the parent company of Prosperity Bank^®, declared a quarterly cash
dividend of $0.215 per share to holders of Prosperity's common stock. The
first quarter dividend is payable on April 1, 2013 to all shareholders of
record as of March 15, 2013.

Prosperity Bancshares, Inc.^®

Prosperity Bancshares Inc.^®, a $14.6 billion Houston, Texas based regional
financial holding company, formed in 1983. Operating under a community banking
philosophy and seeking to develop broad customer relationships based on
service and convenience, Prosperity offers a variety of traditional loan and
deposit products to its customers, which consist primarily of small and medium
sized businesses and consumers. In addition to established banking products,
Prosperity offers a complete line of services including: Internet Banking
services at http://www.prosperitybanktx.com, Retail Brokerage Services,
MasterMoney Debit Cards, 24 hour voice response banking, Trust and Wealth
Management; and Mobile Banking. Prosperity currently operates two hundred
fifteen (215) full service banking locations; fifty-nine (59) in the Houston
area; twenty (20) in the South Texas area including Corpus Christi and
Victoria; thirty-five (35) in the Dallas/Fort Worth area; twenty-three (23) in
the East Texas area; thirty-four (34) in the Central Texas area including
Austin and San Antonio; thirty-four (34) in the West Texas area including
Lubbock, Midland-Odessa and Abilene; and ten (10) in the Bryan/College Station
area.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of
1995: This release contains, and the remarks by Prosperity's management on the
conference call may contain, forward-looking statements within the meaning of
the securities laws that are based on current expectations, assumptions,
estimates and projections about Prosperity, and its subsidiaries. These
forward-looking statements are not guarantees of future performance and are
subject to risks and uncertainties, many of which are outside of Prosperity's
control, which may cause actual results to differ materially from those
expressed or implied by the forward-looking statements. These risks and
uncertainties include but are not limited to whether Prosperity can:
successfully identify acquisition targets and integrate the businesses of
acquired companies and banks; continue to sustain its current internal growth
rate or total growth rate; provide products and services that appeal to its
customers; continue to have access to debt and equity capital markets; and
achieve its sales objectives. Other risks include, but are not limited to:
the possibility that credit quality could deteriorate; actions of competitors;
changes in laws and regulations (including changes in governmental
interpretations of regulations and changes in accounting standards); a
deterioration or downgrade in the credit quality and credit agency ratings of
the securities in Prosperity's securities portfolio; customer and consumer
demand, including customer and consumer response to marketing; effectiveness
of spending, investments or programs; fluctuations in the cost and
availability of supply chain resources; economic conditions, including
currency rate fluctuations and interest rate fluctuations; and weather. These
and various other factors are discussed in Prosperity's Annual Report on Form
10-K for the year ended December 31, 2012 and other reports and statements
Prosperity has filed with the SEC. Copies of the SEC filings for Prosperity
Bancshares^® may be downloaded from the Internet at no charge from
www.prosperitybanktx.com.

SOURCE Prosperity Bancshares, Inc.

Website: http://www.prosperitybanktx.com
Contact: David Zalman, Chairman and Chief Executive Officer, +1-281-269-7199,
david.zalman@prosperitybanktx.com