Mark L. Yockey

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.

Waddell & Reed Investment Management Co. (WRIMCO) is a registered investment advisor and mutual fund manager headquartered in Overland Park, Kansas. The firm is a subsidiary of Waddell & Reed, Inc., ultimately held by Waddell & Reed Financial, Inc. (NYSE: WDR). Founded in 1972, WRIMCO provides advisory services to a variety of clients, including defined benefit pension plans, non-proprietary US investment companies, non-US pooled vehicles, defined contribution plans, charitable foundations, and high net worth clients.