Trustmark Corporation (Trustmark) is a bank holding company. Trustmark’s principal subsidiary is Trustmark National Bank (TNB). Through TNB and its other subsidiaries, Trustmark operates as a financial services organization providing banking and other financial solutions through approximately 150 offices and 2,537 full-time equivalent associates located in the states of Mississippi, Tennessee, Florida and Texas. During the year ended December 31, 2011, Trustmark operated through three operating segments: General Banking, Insurance and Wealth Management. On April 15, 2011, TNB acquired the banking operations of Heritage Banking Group (Heritage). On March 16, 2012, the Company’s subsidiary, Trustmark National Bank, completed its merger with Bay Bank & Trust Co.
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