July 9, 2008

Comerica Incorporated Purchases a License Under the Ronald A. Katz Technology Licensing, L.P. Patents

Comerica Incorporated, based in Detroit, Michigan, has purchased a license under the patent portfolio held by Ronald A. Katz Technology Licensing, L.P. and licensed through its affiliate, A2D, L.P.

The nonexclusive license covers services offered by Comerica Incorporated in the "Financial Services Call Processing" Field of Use including customer service delivered through automated systems and live agents. Other terms of the license were not disclosed.

The patents held by Ronald A. Katz Technology Licensing, L.P. cover a wide range of interactive technology including automated forms of: customer service, prescription refill services, securities trading, merchandising, prepaid services, telephone conferences, registration, home shopping, as well as functions involved in securing information from databases by telephone, interactive cable transactions, and various other uses of toll free and local numbers.

Ronald A. Katz stated, "We welcome Comerica Incorporated to the diverse group of leading companies including FirstMerit Corporation and Bank of the West who have purchased license rights under this portfolio."

There are over 225 companies with license rights under this portfolio, including over 25 energy and utility companies. Companies with license rights under this portfolio include: Advanta Corp., Alltel Corporation, American Century, American Express, Amtrak, Atmos Energy Corporation, AT&T Inc., Avis Budget Group, Inc., Avon Products, Inc., Bank of America Corporation, Capital One Services Inc., Chevron U.S.A. Inc., Continental Airlines, Dell Inc., Delta Air Lines, Inc., Discover Financial Services, Edward D. Jones & Co., Experian, Express Scripts, First Data Corporation, The Gallup Organization, Hewlett-Packard Company, Hilton Hotels Corporation, Household International, Inc., HSBC Bank USA, ING North America Insurance Corp., International Business Machines (IBM), Kaiser Permanente Insurance Co., KeyCorp, Kohl's Corporation, LaSalle Bank Corporation, Massachusetts Mutual Life Insurance Company, MCI Inc., Mellon Financial Corporation, Merck & Co., Merrill Lynch & Co., Inc., Metris Companies Inc., Microsoft, Morgan Stanley, Nationwide, New York Life Insurance Company, OppenheimerFunds, Inc., Principal Financial Group, Inc., Prudential Financial, Inc., Qwest Communications International Inc., QVC, Inc., Regions Financial Corporation, Safeway Inc., Sears, Roebuck and Co., Sprint Corporation, Sunoco, Inc., SUPERVALU INC., TD Banknorth Inc., T. Rowe Price Associates, Inc., T-Mobile USA, United Air Lines, Inc., Verizon California Inc., Wachovia Corporation, Walgreen Co., Wal-Mart Stores, Inc, Webster Financial Corporation, WellPoint, Inc., Wells Fargo & Company, West Corporation and Zions Bancorporation.

Mr. Katz is the named inventor on a large number of patents primarily in the fields of telecommunications and computing. He also formed Telecredit, Inc., the nation's first on-line real time credit and check cashing authorization system, and was awarded a patent as co-inventor of that technology.