Trustmark Corporation and Bay Bank & Trust Co. Announce Definitive Merger Agreement

Trustmark Corporation

and Bay Bank & Trust Co. today announced the signing of a definitive agreement in which Bay Bank will merge into Trustmark National Bank. This transaction provides an excellent opportunity for Trustmark to expand and enhance its franchise within the attractive Panama City – Bay County market. Bay Bank, with seven offices serving the Panama City, Panama City Beach, and Lynn Haven, Florida markets, reported loans of $121.6 million and deposits of $220.6 million at September 30, 2011.