Maria Negrete-Gruson

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., an open-ended management investment company.

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.