Questions and issues regarding Trustmark shareholdings, such as the status of the account, dividend payments, change of address, lost certificates or transfer of ownership of shares, should be directed to American Stock Transfer & Trust Company as follows:

In Writing:
American Stock Transfer & Trust Company
Attn: Trustmark Corporation
Operations Center
6201 15th Avenue
Brooklyn, NY 11219

By Telephone:
(877) 476-4393 Toll Free

Via E-mail:
info@astfinancial.com

Via Internet:
www.astfinancial.com

Requests for replacement of missing Trustmark stock certificates must be submitted in writing. Please write to:

American Stock Transfer & Trust Company
Attn: Trustmark Corporation
Operations Center
6201 15th Avenue
Brooklyn, NY 11219

The written request must include the following:

• State the name of Trustmark Corporation
• State the names of all registered shareholders
• Provide the number of shares
• Provide the certificate numbers of the lost certificates (if available)
• Make sure all registered shareholders sign the letter. Please indicate any deceased shareholders.

Upon receipt of your letter, American Stock Transfer will place a hold against the missing certificates and will mail an Affidavit of Loss at the address provided in your letter. Certain fees or indemnity insurance costs may apply.

Requests to change an address on Trustmark registered stock must be submitted in writing by one of the following methods:

• Complete and sign the change of address form that is attached to your dividend check. All registered shareholders must sign the form.
• Complete and sign the change of address form that is attached to your Dividend Reinvestment Statement. All registered shareholders must sign the form.
• Provide written instructions to:
  
  American Stock Transfer & Trust Co.
  Attn: Trustmark Corporation
  Operations Center
  6201 15th Avenue
  Brooklyn, NY 11219
  
  All registered shareholders must sign the letter.

Requests to replace a lost Trustmark dividend check may be made by one of the following methods:

• Call American Stock Transfer & Trust Company toll free at (877) 476-4393. You will be asked to provide your Social Security Number or Taxpayer Identification Number.
• Provide written instructions to:
  
  American Stock Transfer & Trust Co.
  Attn: Trustmark Corporation
  Operations Center
  6201 15th Avenue
  Brooklyn, NY 11219
  
  Provide your Social Security Number or Taxpayer Identification Number in the letter.

Trustmark Corporation is pleased to offer the Investors Choice Plan, a voluntary Dividend Reinvestment and Direct Stock Purchase and Sale Plan (“Plan”) administered by American Stock Transfer & Trust Company, LLC (AST). Under the Plan, shareholders will continue the ability to reinvest their Trustmark cash dividends. In addition, shareholders and first time buyers will have the opportunity to purchase and sell shares of Trustmark common stock directly through AST. These and other transactions can be completed by mail, telephone or online using AST’s website. Some advantages of using the website are:

• Online enrollment through AST at www.astfinancial.com
• Purchase shares with voluntary optional cash payments
• Request the sale of all or part of shares owned
• Online review of account balance
• Online review of account history

Once enrolled, participants will also be able to call a dedicated toll free number to process transactions. In addition, the Plan allows participants to deposit their Trustmark stock certificates for safekeeping or sale. AST will purchase and sell shares daily whenever practicable, but will purchase and sell at least weekly.

Enroll in Trustmark’s Investor Choice Plan by one of the following methods:

• Call American Stock Transfer toll free at (877) 476-4393
• Enroll online through AST at www.astfinancial.com