Kevin Michael Johnson

The Vanguard Group, Inc. (VGI) is an independent, SEC-registered investment advisor and mutual fund manager headquartered in Malvern, Pennsylvania. The firm was founded in 1975 by John Bogle. In 1976, they introduced the first indexed mutual fund, the First Index Investment Trust (now known as the Vanguard 500 Index Fund), to individual investors. VGI provides investment advisory services to Vanguard family of funds and Vanguard's non-US clients, which are comprised of funds established as trusts under the laws of the Province of Ontario in Canada and separate account clients of Vanguard's international subsidiaries.

HighMark Capital Management, Inc. (HighMark) is a SEC-registered investment advisor headquartered in San Francisco, California. The firm was founded in 1919 and is a wholly-owned subsidiary of MUFG Union Bank NA, ultimately held by Mitsubishi UFJ Financial Group, Inc. (NYSE: MY, TYO: 8306), a Japan-based financial institution. HighMark provides investment advice to pension and profit-sharing plans, pooled investment vehicles, charitable organizations, corporations, state and municipal government entities, corporate employee benefit plans, public agencies, foundations and endowments, Taft-Hartley plans, hospital and religious organizations, and treasury departments.

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.

AJO LP is a registered investment advisor headquartered in Philadelphia, Pennsylvania. It has additional office in Boston. The firm was formerly known as Aronson+Johnson+Ortiz LP. It was founded in 1984 by Theodore Aronson. AJO provides portfolio management services to corporate pension and profits-haring plans, Taft-Hartley plans, multi-employer plans, charitable institutions, foundations, endowments, municipalities, registered mutual funds, private investment funds, trust programs, foreign funds, and other US and international institutions.