The New York City Employees» Retirement System; the New York City Fire Department
Pension Fund; the New York City Teachers» Retirement System; the New York City Police
Pension Fund; and the New York Board of Education Retirement System, as joint filers (NYC Retirement System), c / o The City of New York, Officer of the Comptroller, 633 Third Avenue, 31st Floor, New York, New York 10017, which in the aggregate held 12,707,578 shares of common stock on November 15, 2011, the New York
State Common Retirement
Fund, whose address is the same as that of the NYC Retirement System, which held 19,560,008 shares of common stock on November 22, 2011, and the Illinois
State Board of Investment on behalf of the
State Employees» Retirement System of Illinois, c / o 180 N. LaSalle Street, Suite 2015, Chicago, Illinois 60601, which in the aggregate held 928,927 shares of common stock on November 18, 2011, the Judges» Retirement System of Illinois and the General Assembly Retirement System of Illinois, as co-filers,
intend to submit a resolution to stockholders for approval at the annual meeting.