Laurie Fitch

The Bank of New York Co., Inc. provides banking and other financial services to corporations and individuals worldwide. It also offers securities servicing and global payment services, corporate banking, BNY Asset Management and Private Client Services, Retail Banking and Global Market Services. Client base of the company include financial institutions, corporations, government entities, endowments and foundations. The company, founded in 1784 is headquartered in New York.

Artisan Partners LP (Artisan Partners) is a mutual fund manager and SEC-registered investment advisor headquartered in Milwaukee, Wisconsin. The firm was founded in 2009 by Andrew Ziegler and is a wholly-owned subsidiary of Artisan Partners Holdings LP, itself a subsidiary of Artisan Partners Asset Management, Inc. (NYSE: APAM). Artisan Partners serves as investment adviser to a variety of separately managed accounts, unregistered pooled investment vehicles, trustees of collective investment trusts, and to each series of Artisan Partners Funds, Inc. (Artisan Partners Funds) and Artisan Partners Global Funds plc (Artisan Partners Global Funds), an open-ended management investment company.

TIAA-CREF Investment Management LLC (TCIM) is a registered investment advisor headquartered in New York City. The firm was founded in 1997 and is a wholly-owned subsidiary of TIAA-CREF Asset Management LLC, ultimately owned by TIAA Board of Governors. TCIM provides investment management and certain administrative services necessary for the operation of the College Retirement Equities Fund (CREF), a diversified open-end registered investment management company that consists of eight accounts, that issues individual, group and tax-deferred variable annuity contracts.

UBS Securities LLC is an investment bank and registered broker/dealer headquartered in New York City. The firm was founded in 1998 as UBS Warburg LLC. They are a subsidiary of UBS Americas Holding LLC, ultimately held by UBS Group AG (SWX: UBSG, NYSE: UBS) in Switzerland. UBS Securities is a primary dealer in US Government securities and provides a full range of investment banking services which includes corporate finance, mergers and acquisitions, capital markets, trading and sales, fixed-income, equity research, private banking, underwriting and prime brokerage operations. The firm also provides advisory services and access to capital markets for corporate, institutional, intermediary and alternative asset management clients.