text: Date: March 10, 2003  By: /s/ F. SCOTT DUESER 
  
  F. SCOTT DUESER 
  President, Chief Executive Officer and Director 
  
  The undersigned directors and officers of First Financial Bankshares, Inc. hereby constitute and appoint Curtis 
  R. Harvey, with full power to act and with full power of substitution and resubstitution, our true and lawful attorney- 
  in-fact with full power to execute in our name and behalf in the capacities indicated below any and all amendments 
  to this report and to file the same, with all exhibits thereto and other documents in connection therewith with the 
  Securities and Exchange Commission and hereby ratify and confirm all that such attorney-in-fact or his substitute 
  shall lawfully do or cause to be done by virtue hereof. 
  
  Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this report has been signed 
  below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. 
  
  **Name**
  
  /s/ KENNETH T. MURPHY 
  Kenneth T. Murphy 