Carlene M. Ziegler

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.

Strong Capital Management, Inc. (SCM) provides investment management services to the Strong family of mutual funds, corporate and public employee retirement funds, endowments, foundations, Taft Hartley plans, and individuals. Founded in 1974, the firm is independently owned by professionals active in its day-to-day management.

Formed in 1932 by Sydney Stein, Jr. and Frederick Roe, Stein Roe Investment Counsel LLC provides independent investment counsel to wealthy families, individuals and institutions. The firm is based in Chicago.