DBRS

Aon Corporation is one of the leading providers of risk management services, insurance and reinsurance brokerage, human capital and management consulting and specialty insurance underwriting. The company offers a full range of premium insurance products and services, such as property, business continuity, automobile, workers' compensation, and general and professional liability. Its risk and insurance brokerage services segment offers retail and wholesale brokerage services, affinity products, managing general underwriting, placement and captive management services and finance services for small, medium and large companies. The firm s insurance underwriting segment provides specialty insurance products, such as supplemental accident, health and life insurance; extended warranty products; and select property and casualty insurance products and services. Its Web site provides an indexed collection of whitepapers, research reports and periodicals. Gregory C. Case has been the chief executive officer of Aon for more than one year. He has been with the insurance company for over a year. Case attended Kansas State University, and earned a MBA from Harvard. Aon Corporation is a Fortune 250 company headquartered in Chicago.

Health Care Service Corporation is a customer-owned health insurer in the United States. It operates more than 55 offices in offices in Illinois, Texas, New Mexico, Oklahoma, Ohio and Colorado. The company has a staff of over 17,500 employees. Health Care Service Corporation maintains several subsidiaries, such as Blue Cross and Blue Shield of Illinois, Blue Cross and Blue Shield of New Mexico, Blue Cross and Blue Shield of Oklahoma, and Blue Cross and Blue Shield of Texas. The company focuses on matters related to the health and wellness of members and communities in the U.S. It provides employer-sponsored health, vision, dental, managed mental health and prescription drug plans. In addition, Health Care Service Corporation is a part of Mutual Legal Reserve Company.