MERCK LIFE SCIENCE AS

Sanat Chattopadhyay

Executive Vice President and President, Merck Manufacturing Division

Paul B. Rothman

Board Member

Caroline Litchfield

Executive Vice President and Chief Financial Officer

Joseph Romanelli

President, Human Health International

Thomas H. Glocer

Board Member

Christine E. Seidman

Board Member

Jannie Oosthuizen

President, Merck Human Health U.S.

Surendralal L. Karsanbhai

Board Member

Dave Williams

Executive Vice President, Chief Information & Digital Officer

Chirfi Guindo

Chief Marketing Officer, Human Health

Pamela J. Craig

Board Member

Robert M. Davis

Chairman and Chief Executive Officer

Mary Ellen Coe

Board Member

Inge G. Thulin

Board Member

Betty Larson

Executive Vice President and Chief Human Resources Officer

Risa J. Lavizzo-Mourey

Board Member

Patricia F. Russo

Board Member

Stephen L. Mayo

Board Member

Jennifer Zachary

Executive Vice President and General Counsel

Richard R. DeLuca, Jr.

Executive Vice President and President, Merck Animal Health

Dean Y. Li

Executive vice president and president, Merck Research Laboratories

Kathy J. Warden

Board Member

Douglas M. Baker, Jr.

Board Member