John B. Fields

DuPont Capital Management Corp. (DuPont Capital) is a SEC-registered investment advisor and pension fund manager headquartered in Wilmington, Delaware. The firm was founded in 1975 and is a wholly owned subsidiary of DuPont de Nemours, Inc. (NYSE: DD). DuPont Capital offers investment management services primarily to institutional investors.

Comerica Bank (Investment Management Texas) (Comerica-IM) is the asset management arm of Comerica Bank, which is owned by Comerica, Inc. (NYSE: CMA), a financial services company headquartered in Dallas, Texas. The firm was founded in 1849 by Elon Farnsworth. Comerica-IM manages assets for high net-worth individual investors, foundations, endowments and institutional investors. The firm also provides asset allocation guidelines and investment research for Comerica Securities, their brokerage affiliate.

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.