Board of Directors

Robert J. Alpern, M.D.

Dean, Yale School of Medicine

New Haven, Connecticut

Roxanne S. Austin

President, Austin Investment Advisors

Newport Coast, California

William M. Daley

Head of the Office of Corporate Social Responsibility
and Chairman of the Midwest

JP Morgan Chase & Co.

Chicago, Illinois

W. James Farrell

Retired Chairman and Chief Executive Officer

Illinois Tool Works Inc.

Glenview, Illinois

H. Laurance Fuller

Retired Co-Chairman of the Board

BP Amoco, p.l.c.

London, United Kingdom

William A. Osborn

Chairman and former Chief Executive Officer,

Northern Trust Corporation and its principal subsidiary,
The Northern Trust Company

Chicago, Illinois

The Rt. Hon. Lord Owen CH

Chairman of Europe Steel, Ltd.

London, United Kingdom

W. Ann Reynolds, Ph.D.

Former President,

The University of Alabama at Birmingham

Birmingham, Alabama

Roy S. Roberts

Managing Director

Reliant Equity Investors LLC

Chicago, Illinois

Samuel C. Scott III

Chairman, President and Chief Executive Officer

Corn Products International Inc.

Westchester, Illinois

William D. Smithburg

Retired Chairman, President and Chief Executive Officer

The Quaker Oats Co.

Chicago, Illinois

Glenn F. Tilton

Chairman, President and Chief Executive Officer

UAL Corporation and United Air Lines, Inc., a wholly owned subsidiary of UAL Corporation

Chicago, Illinois

Miles D. White

Chairman of the Board and Chief Executive Officer

Abbott