EX-24.1 8 ex241powerofattorneymrk123.htm EXHIBIT 24.1: POWER OF ATTORNEY
Exhibit 24.1
POWER OF ATTORNEY
Each of the undersigned does hereby appoint MICHAEL J. HOLSTON as his/her true and lawful attorney to execute on behalf of the undersigned (whether on behalf of the Company, or as an officer or director thereof, or by attesting the seal of the Company, or otherwise) the Annual Report on Form 10-K of Merck & Co., Inc. for the fiscal year ended December 31, 2017 under the Securities Exchange Act of 1934, including amendments thereto and all exhibits and other documents in connection therewith.
IN WITNESS WHEREOF, this instrument has been duly executed as of the 27 th day of February 2018.
MERCK & CO., Inc.

/s/ Kenneth C. Frazier | Chairman, President and Chief Executive Officer
Kenneth C. Frazier | (Principal Executive Officer; Director)
/s/ Robert M. Davis | Executive Vice President, Chief Financial Officer and Global Services
Robert M. Davis | (Principal Financial Officer)
/s/ Rita A. Karachun | Senior Vice President Finance—Global Controller
Rita A. Karachun | (Principal Accounting Officer)

DIRECTORS

/s/ Leslie A. Brun |  | /s/ Carlos E. Represas
Leslie A. Brun |  | Carlos E. Represas
/s/ Thomas R. Cech |  | /s/ Paul B. Rothman
Thomas R. Cech |  | Paul B. Rothman
/s/ Pamela J. Craig |  | /s/ Patricia F. Russo
Pamela J. Craig |  | Patricia F. Russo
/s/ Thomas H. Glocer |  | /s/ Craig B. Thompson
Thomas H. Glocer |  | Craig B. Thompson
/s/ Rochelle B. Lazarus |  | /s/ Wendell P. Weeks
Rochelle B. Lazarus |  | Wendell P. Weeks
/s/ John H. Noseworthy |  | /s/ Peter C. Wendell
John H. Noseworthy |  | Peter C. Wendell