Exhibit 24

POWER OF ATTORNEY

The undersigned hereby authorizes and appoints Donald E. Morel, Jr., William J. Federici and Ryan M. Metz, and each of them, as his attorneys-in-fact to sign on his behalf and in his capacity as a director of West Pharmaceutical Services, Inc., and to file, the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2014 and all amendments, exhibits and supplements thereto.

Date: February 17, 2015

/s/ Mark A. Buthman

Mark A. Buthman

POWER OF ATTORNEY

The undersigned hereby authorizes and appoints Donald E. Morel, Jr., William J. Federici and Ryan M. Metz, and each of them, as his attorneys-in-fact to sign on his behalf and in his capacity as a director of West Pharmaceutical Services, Inc., and to file, the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2014 and all amendments, exhibits and supplements thereto.

Date: February 17, 2015

/s/ William F. Feehery

William F. Feehery

POWER OF ATTORNEY

The undersigned hereby authorizes and appoints Donald E. Morel, Jr., William J. Federici and Ryan M. Metz, and each of them, as his attorneys-in-fact to sign on his behalf and in his capacity as a director of West Pharmaceutical Services, Inc., and to file, the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2014 and all amendments, exhibits and supplements thereto.

Date: February 17, 2015

/s/ Thomas W. Hofmann

Thomas W. Hofmann

POWER OF ATTORNEY

The undersigned hereby authorizes and appoints Donald E. Morel, Jr., William J. Federici and Ryan M. Metz, and each of them, as her attorneys-in-fact to sign on her behalf and in her capacity as a director of West Pharmaceutical Services, Inc., and to file, the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2014 and all amendments, exhibits and supplements thereto.

Date: February 17, 2015

/s/ Paula A. Johnson

Paula A. Johnson

POWER OF ATTORNEY

The undersigned hereby authorizes and appoints Donald E. Morel, Jr., William J. Federici and Ryan M. Metz, and each of them, as her attorneys-in-fact to sign on her behalf and in her capacity as a director of West Pharmaceutical Services, Inc., and to file, the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2014 and all amendments, exhibits and supplements thereto.

Date: February 17, 2015

/s/ Myla P. Lai-Goldman

Myla P. Lai-Goldman

POWER OF ATTORNEY

The undersigned hereby authorizes and appoints Donald E. Morel, Jr., William J. Federici and Ryan M. Metz, and each of them, as his attorneys-in-fact to sign on his behalf and in his capacity as a director of West Pharmaceutical Services, Inc., and to file, the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2014 and all amendments, exhibits and supplements thereto.

Date: February 17, 2015

/s/ Douglas A. Michels

Douglas A. Michels

POWER OF ATTORNEY

The undersigned hereby authorizes and appoints Donald E. Morel, Jr., William J. Federici and Ryan M. Metz, and each of them, as his attorneys-in-fact to sign on his behalf and in his capacity as a director of West Pharmaceutical Services, Inc., and to file, the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2014 and all amendments, exhibits and supplements thereto.

Date: February 17, 2015

/s/ John H. Weiland

John H. Weiland

POWER OF ATTORNEY

The undersigned hereby authorizes and appoints Donald E. Morel, Jr., William J. Federici and Ryan M. Metz, and each of them, as his attorneys-in-fact to sign on his behalf and in his capacity as a director of West Pharmaceutical Services, Inc., and to file, the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2014 and all amendments, exhibits and supplements thereto.

Date: February 17, 2015

/s/ Anthony Welters

Anthony Welters

POWER OF ATTORNEY

The undersigned hereby authorizes and appoints Donald E. Morel, Jr., William J. Federici and Ryan M. Metz, and each of them, as his attorneys-in-fact to sign on his behalf and in his capacity as a director of West Pharmaceutical Services, Inc., and to file, the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2014 and all amendments, exhibits and supplements thereto.

Date: February 17, 2015

/s/ Patrick J. Zenner

Patrick J. Zenner