Prosperity Bancshares Inc.

David Hollaway. Mr. Hollaway joined the Bank in 1992 as Senior Vice President and Chief Financial Officer and served as Treasurer of the Company from 1993 to 1999. He was appointed Chief Financial Officer of the Company in 1998 and Executive Vice President of the Bank in 2004. From 1990 to 1992, Mr. Hollaway worked for the Resolution Trust Corporation in its Gulf Coast Consolidated Office in Houston. From 1988 to 1990, he worked as the Cost Accounting Manager of San Jacinto Savings Association in Bellaire, Texas. From1981 to 1988, Mr. Hollaway was Vice President-Auditor of South Main Bank in Houston. Mr. Hollaway is a Certified Public Accountant.

Peter Fisher. Mr. Fisher was appointed General Counsel of the Company in October 2004 and also serves as General Counsel of the Bank. Mr. Fisher has served as Vice Chairman of the Bank since September 2002, when the Company acquired Paradigm Bancorporation, Inc. (“Paradigm”). Mr. Fisher had served as the President and Chief Executive Officer of Paradigm from 1999 until its sale in 2002 and was President and Chief Operating Officer from 1997 to 1999. He also had served as President and Chief Executive Officer of Paradigm Bank from 2000 to 2002 and was Vice Chairman of Woodcreek Bank, Paradigm Bank’s predecessor, from 1999 to 2000. Mr. Fisher was a director of both Paradigm and Paradigm Bank from 1997 to 2002. From 1996 to 1997, Mr. Fisher was executive vice president of American Bank in Houston. Prior to that, he was president of Charter Bank-Houston. Mr. Fisher is an attorney licensed to practice law in Texas.

During his years in banking, Zouzalik became active in regional and statewide banking organizations; he served as President of South Central Texas Bankers Association in 1994, served six years as a Director of The Independent BankersBank (TIB) in Dallas, and 14 years as a Director of the Independent Bankers Association of Texas (IBAT) where he served as Chairman of the Board in 2002-2003. He also served on the Political Action Committee of the Independent Community Bankers of America. After graduating from Texas A & M University in 1960, he joined the U S Army. He served in Germany, Vietnam and Korea in addition to several state side assignments. He served six years in the Washington DC area including 3 years in the Pentagon. His last military assignment was Commander of the Defense Marketing and Revitalization Service (DMRS), which was a separate Defense Agency with over 4,000 civilian employees, located at 227 military installations in 20 countries. He retired as a Colonel in 1984, having served 24 years of active duty.

H. E. Timanus, Jr. Mr. Timanus has been a director of the Company and the Bank since 2001. He has served as Chief Operating Officer of the Bank since 2001 and was named Chairman of the Board of the Bank in 2005. Mr. Timanus became an Executive Vice President and the Chief Operating Officer of the Company in 2001 and served in that capacity until 2006 when he became Vice Chairman of the Company. Prior to this, from 1986 to 2001, Mr. Timanus served as President and Chief Executive Officer of Commercial Bancshares, Inc. and from 1988 to 2001, he served as Chief Executive Officer and Chairman of Heritage Bank. Mr. Timanus also serves as a director of Financial Federal Corporation, a financial services company listed on the New York Stock Exchange. Mr. Timanus was born in Houston, Texas.

Harrison Stafford II. Mr. Stafford became a director of the Company in April 2000. He has served as the County Judge for Jackson County, Texas since January 1991. He also served as Jackson County Auditor from 1972 to 1990. Mr. Stafford currently serves as Director of the Jackson County United Way, Director of the Jackson County 100 Club, Chairman of the Lavaca Regional Water Planning Group, Director of the Gulf Bend MHMR and Treasurer of the Texana Museum and Library Association.

James A. Bouligny. Mr. Bouligny has been a director of the Company since 1991. Mr. Bouligny has been a name partner in the El Campo law firm of Duckett, Bouligny & Collins, LLP for more than the past five years and is currently Of Counsel to the firm. Mr. Bouligny received a Bachelor of Business Administration degree and a Juris Doctor degree from the University of Texas. Mr. Bouligny’s civic activities include a 24-year tenure as a member of the Board of Trustees of Wharton County Junior College and a 17-year tenure as City Attorney for El Campo, Texas. He is currently a member of the MG and Lillie Johnson Foundation, a member of the Lake Travis Lake Advisory Board and a trustee of the St. Philip Catholic School Endowment.

James D. Rollins III. Mr. Rollins was appointed President and Chief Operating Officer of the Company in April 2006. He became a director of the Company in October 2006. He previously served as a Senior Vice President of the Company from 2001 until 2006. He was appointed President of the Bank in 2005. He also served as Vice Chairman of the Bank from 2004 thru 2007. He previously served as Executive Vice President of the Bank from 2002 to 2004 and President of the Matagorda Banking Centers of the Bank from 1994 to 2002. From 1983 to 1994, Mr. Rollins worked for First State Bank and Trust Company in Port Lavaca and Bay City, Texas. Mr. Rollins received a Bachelor of Business Administration from the University of Texas at Austin and is a graduate of the Southwestern Graduate School of Banking at Southern Methodist University.

Leah Henderson. Ms. Henderson became a director of the Company on April 17, 2007. Prior to being appointed to the Board of the Company, she served as a director of the Bank since 2002. Prior to serving on the Board of the Bank, she was a director of Paradigm Bancorporation, Inc. and its member bank, Paradigm Bank Texas. Ms. Henderson currently serves as Executive Vice President of Sales for PULSE EFT Association LP, a Discover Financial Services LLC company and operator of the PULSE electronic funds network, where she has been part of the executive management team for over five years. Ms. Henderson received a Bachelor of Business Administration from Stephen F. Austin State University.

Perry Mueller, Jr., D.D.S. Dr. Mueller was appointed a director of the Company in November 2001. Dr. Mueller, a dentist, has been in private practice in Lake Jackson, Texas for over 45 years. He completed his pre-dental education from the University of Texas and graduated with honors from the University of Texas Dental Branch in the Texas Medical Center. He was one of the original founders of First National Bank in Lake Jackson, Texas and served as Vice Chairman of the Board of that bank from 1963 until 2002. Dr. Mueller was a founder of the Brazosport Day Care Center, a life member of Optimist International, a past officer of the Kiwanis Club and Rotary International and has served as a dental missionary in Haiti, Africa, Mexico and South Korea. Dr. Mueller’s interest in banking goes back to his father being in the banking industry for approximately 65 years before retiring. Mr. Mueller is the father-in-law of David Zalman.

Robert Steelhammer. Mr. Steelhammer has been a director of the Company since its inception. Mr. Steelhammer has been a name partner with Steelhammer & Miller, P.C. in Houston for more than the past five years. He received a Bachelor of Science degree from the University of Texas and a Juris Doctor degree from South Texas College of Law. He is a member of the State Bar of Texas, a registered professional engineer for the State of Texas and a member of the American Institute of Chemical Engineers.

S. Reed Morian is a member of the Board of Directors of GP Natural Resource Partners LLC. Mr. Morian has served as a member of the Board of Directors of the general partner of Western Pocahontas Properties Limited Partnership since 1986, New Gauley Coal Corporation since 1992 and the general partner of Great Northern Properties Limited Partnership since 1992. Mr. Morian has worked for Dixie Chemical Company since 1971 and has served as its Chairman and Chief Executive Officer since 1981. He has also served as Chairman, Chief Executive Officer and President of DX Holding Company since 1989. He has served on the Board of Directors for the Federal Reserve Bank of Dallas-Houston Branch since April 2003 and as a Director of Prosperity Bancshares, Inc. since March 2005

William H. Fagan, M.D. Dr. Fagan was appointed a director of the Company in September 2002. Dr. Fagan is an investor who had served as a director of Paradigm Bancorporation, Inc. from 1996 until its merger with the Company on September 1, 2002. He served on the board of Paradigm Bank Texas since its formation in 1980. From 1965 to 1980, Dr. Fagan served on the board of directors of Channelview State Bank, which later changed its name to Prime Bank.