Bradley P. Halverson

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.

Ivy Investment Management Co. (dba Ivy Investments) is a SEC-registered investment adviser and mutual fund manager headquartered in Overland Park, Kansas. The firm was founded in 1937 and is a wholly-owned, direct subsidiary of Waddell & Reed Financial, Inc. (NYSE: WDR). Ivy Investments acts as investment adviser for a variety of clients, including registered investment companies (distributed through affiliated and unaffiliated distribution channels), institutional and other private investors and provides sub-advisory services to unaffiliated US mutual funds.

Waddell & Reed Investment Management Co. (WRIMCO) is a registered investment advisor and mutual fund manager headquartered in Overland Park, Kansas. The firm is a subsidiary of Waddell & Reed, Inc., ultimately held by Waddell & Reed Financial, Inc. (NYSE: WDR). Founded in 1972, WRIMCO provides advisory services to a variety of clients, including defined benefit pension plans, non-proprietary US investment companies, non-US pooled vehicles, defined contribution plans, charitable foundations, and high net worth clients.

NorthPointe Capital LLC is an independent investment advisory firm headquartered in Bloomfield Hills, Michigan. The firm was founded in 2000 and is a subsidiary of NorthPointe Holdings LLC. NorthPointe Capital provides investment supervisory services relating to various investment strategies in equity securities.

A.G. Edwards & Sons, Inc. is a full-service brokerage firm. A.G. Edwards equity research team covers a wide range of industries including: consumer discretionary, consumer staples, energy, financials, health care, industrials, information technology, material, telecommunication services and utilities. They also provide fixed-income research in the utility, auto, banking and finance, and telecom industries. A.G. Edwards was founded in 1887 by General Albert Gallatin Edwards and his son Benjamin Franklin Edwards. They are a broker/dealer subsidiary of A.G. Edwards, Inc. They are a member of the SIPC.