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Kenneth C. Frazier

Chairman of the board and chief executive officer,
Merck & Co., Inc. Director, Exxon Mobil and PhRMA. Member, Board of Overseers, Weill Cornell Medical College and Graduate School of Medical Sciences, Trustee, The Pennsylvania State University and Cornerstone Christian Academy. Our director since Jan. 1, 2011.

Leslie A. Brun

Chairman and chief executive officer, Sarr Group, LLC (investment holding company). Managing director and head of Investor Relations, CCMP Capital (global private equity firm). Non-executive chairman, Automatic Data Processing, Inc. and Broadridge Financial Solutions, Inc., Director, NXT Capital, Inc. Our director since July 22, 2008.

Thomas R. Cech, Ph.D.

Investigator, Howard Hughes Medical Institute.
Faculty, University of Colorado. Director, BioFrontiers Institute, University of Colorado. Our director since May 27, 2009.

Thomas H. Glocer

Retired chief executive officer, Thomson Reuters Corporation (information and services company for businesses and professionals). Founder and managing partner, Angelic Ventures, L.P. Director, Council on Foreign Relations. Our director since Nov. 27, 2007.

William B. Harrison, Jr.

Lead director of the board. Retired chairman of the board, JPMorgan Chase & Co. (financial services). Chairman, Cadence Bancorp LLC, formerly Community Bancorp LLC (bank holding company). Director, Aurora Capital Group, Lincoln Center for Performing Arts, RecoverCare LLC and The University of North Carolina Endowment Fund. Our director since Dec. 21, 1999.

C. Robert Kidder

Former chairman and chief executive officer, 3Stone Advisors LLC (private investment firm). Director, Morgan Stanley, Microvi Biotech Inc. and Wildcat Discovery Technologies, Inc. Our director since Dec. 5, 2005.

Rochelle B. Lazarus

Chairman Emeritus, Ogilvy & Mather (advertising and marketing communication company). Director, General Electric, The Partnership for New York City and the World Wildlife Fund. Our director since Oct. 26, 2004.

Carlos E. Represas

Retired chairman, Nestlé Group Mexico. Director, Bombardier Inc., Swiss Re Group and Swiss Re American Holding Corporation. Non-executive chairman, Bombardier Latin America. Our director since Feb. 24, 2009.

Patricia F. Russo

Former chief executive officer and director, Alcatel-Lucent. Lead director, General Motors Company; director, Alcoa, Inc. and Hewlett-Packard Company. Our director since Sept. 1, 1995.

Craig B. Thompson, M.D.

President and chief executive officer, Memorial Sloan-Kettering Cancer Center. Our director since Jan. 2, 2008.

Wendell P. Weeks

President, chairman and chief executive officer, Corning Incorporated (specialty glass company for the consumer electronics, telecommunications, emissions-control, and life sciences industries). Director, Corning Incorporated. Our director since Feb. 24, 2004.

Peter C. Wendell

Managing director, Sierra Ventures (technology-oriented venture capital firm). Faculty, Stanford University Graduate School of Business. Senior advisor and director, WestBridge Crossover Fund, LLC. Our director since Sept. 23, 2003.

Dates prior to the merger of Merck & Co., Inc. ("Merck") and Schering-Plough Corporation ("Schering-Plough") on November 3, 2009, reflect membership on the board of legacy Merck (Brun, Cech, Glocer, Harrison, Lazarus, Represas, Weeks and Wendell) or legacy Schering-Plough (Kidder, Russo and Thompson), as the case may be.


Board Committee Assignments

Code of Conduct: Our Values and Standards

Our code of conduct reflects our corporate values and guides our day-to-day decision making.

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