Cullen/Frost Bankers Increases Quarterly Cash Dividend from $0.46 to $0.48

Cullen/Frost Bankers, Inc.

is a financial holding company, headquartered in San Antonio, with $20.4 billion in assets at March 31, 2012 and more than 115 financial centers throughout Texas. One of 24 U.S. banks included in the KBW Bank Index, Frost provides a wide range of banking, investments and insurance services to businesses and individuals in the Austin, Corpus Christi, Dallas, Fort Worth, Houston, Rio Grande Valley and San Antonio regions. Founded in 1868, Frost has helped clients with their financial needs during three centuries. Additional information is available at frostbank.com.