Calvin J. Wilson

Cingular Wireless provided mobile voice and data communication services in the United States. It operated digital voice and data network in the nation under the name ALLOVER(SM) network. The company provided the wireless carrier to offer Rollover(SM), the wireless plan that lets customers keep their unused monthly minutes. Cingular Wireless was headquartered in Atlanta, GA.

Macquarie Investment Management Business Trust (MIMBT) is a SEC-registered investment advisor headquartered in Philadelphia, Pennsylvania. The firm was founded in 1988 and formerly known as Delaware Management Business Trust. They are a subsidiary of Delaware Investment Management Co. LLC, ultimately held by Macquarie Group Ltd. (ASX: MQG) in Australia. MIMBT advises a variety of institutional clients. The firm also provides investment services to certain affiliates and acts as a sub-advisor to unaffiliated sponsors and investment products.