Charles S. Peterson

Appalachian Energy Holdings LLC provides oilfield and coalfield services. It provides well-site support & construction, logistics, mass earth excavation, road construction, surface mine area preparation, timber hauling, equipment, and environmental solutions. The company was founded by Rebecca Paxton in 1992 and is headquartered in Charleston, WV.

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.

Investment Counselors of Maryland LLC (ICM) is a SEC-registered investment advisor headquartered in Baltimore, Maryland. The firm was founded in 1972 and is a subsidiary of William Blair Investment Management LLC, which is owned by WBC Holdings LP. ICM provides value-oriented, fundamentally based advisory services to institutional investors, collective trust funds, individuals, high net worth individuals, and a mutual fund.