All data are seasonally adjusted, as necessary, and indexed to a base year of 2008. Nominal values have been converted to constant dollar values. Index levels are expressed in terms of three-month moving averages. Comerica Bank is the commercial banking subsidiary of Comerica Incorporated (NYSE: CMA ), the largest commercial bank headquartered in Texas, strategically aligned by three business segments: The Business Bank, The Retail Bank, and Wealth Management. Comerica focuses on relationships, and helping people and businesses be successful. In addition to 136 banking centers in Dallas/Fort Worth, Houston, Austin, San Antonio and Kerrville regions of Texas, Comerica Bank locations can be found in Arizona, California, Florida and Michigan, with select businesses operating in several other states, as well as in Canada and Mexico. To find Comerica on Facebook, please visit www.facebook.com/ComericaCares.