Clark Shields

Wellington Management Co. LLP (WMC) is a registered investment advisor and mutual fund manager headquartered in Boston, Massachusetts. The firm was founded in 1928 and is a subsidiary of Wellington Investment Advisors Holdings LLP, ultimately held by Wellington Management Group LLP. WMC offers investment management services for a fee to separate account clients and mutual funds sponsored by unaffiliated parties, as well as to investment vehicles that the firm sponsors.

MDT Advisers, Inc. is a registered investment advisor located in Cambridge, Massachusetts. The firm became a division of Harris Bretall Sullivan & Smith LLC in 2002.

Harris Williams & Co. provides investment advisory services. It offers investment banking, sell-side mergers and acquisitions, capital raising, fairness opinion, and restructuring advisory services. The company was founded by H. Hiter Harris III and Christopher H. Williams in 1991 and is headquartered in Richmond, VA.

T. Rowe Price Associates, Inc. (Price Associates) is a registered investment advisor and mutual fund manager headquartered in Baltimore, Maryland. The firm was founded by Thomas Rowe Price, Jr. in 1937. They are a subsidiary of the T. Rowe Price Group, Inc. (NASDAQ: TROW), which was formed in 2000 as the publicly traded parent holding company of Price Associates and their affiliated entities. Price Associates offers a variety of mutual funds, sub-advisory services and separate account management for individual and institutional investors, retirement plans and financial intermediaries.