Artisan Partners Limited Partnership ("APLP"), a U.S. registered investment adviser, is a limited partnership organized under the laws of the State of Delaware on March 26, 2009. Control of APLP is vested in its general partner, Artisan Investments GP LLC, a limited liability company organized under the laws of the State of Delaware on March 26, 2009. Artisan Partners Holdings LP is the sole member of Artisan Investments GP LLC, and is the sole limited partner of Artisan Partners Limited Partnership. Control of Artisan Partners Holdings LP (formerly named Artisan Partners Limited Partnership) is vested in its general partner, Artisan Investment Corporation. All of the outstanding stock of Artisan Investment Corporation is owned by ZFIC, Inc., a corporation organized under the laws of the State of Wisconsin. Andrew A. Ziegler and Carlene M. Ziegler each own 50% of the voting stock of ZFIC, Inc. APLP, pursuant to advisory contracts, has the power to purchase and sell securities on behalf of its clients and the power to vote for most clients. Persons other than APLP are entitled to receive all dividends from, and proceeds from the sale of, all of the securities reported hereunder.
Artisan International Value Fund ("ARTIV"), is a series of Artisan Partners Funds, Inc., a U.S. registered investment company. Certain officers and a director of Artisan Partners Funds, Inc. are employees of APLP. APLP pursuant to its advisory contract with ARTIV has the power to purchase and sell securities on behalf of ARTIV and to vote for ARTIV. ARTIV, as of October 5, 2012, was interested in 62,090,856 shares, representing 9.40% of the 14.02% disclosed above, of QinetiQ Group plc.