PROSPERITY BANCSHARES INC — Director's Dealing 2012

Mar 19, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PROSPERITY BANCSHARES INC (PRSP)
CIK: 0001068851
Period of Report: 2012-03-16

Reporting Person: ROLLINS JAMES D III (Director, President & COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-03-16	Common Stock	M	40000	$27.02	Acquired	69785	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-03-16	Employee Stock Option	$27.02	M	40000	Disposed	2014-10-19	Common Stock (40000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	45928	Indirect
Common Srock	30000	Indirect
Common Stock	4000	Indirect
Common Stock	31066	Indirect

Footnotes

F1: Includes 103 shares acquired through Prosperity Bancshares, Inc. 401(K) plan since the last filing by the reporting person.

F2: The option vests in one-fifth increments beginning on October 19, 2008.

F3: There was no price associated with this option grant.