Exhibit 10 (bb)






                                 AMENDMENT NO. 1

                    TO THE WEST PHARMACEUTICAL SERVICES, INC.

                         DISCOUNTED STOCK PURCHASE PLAN


Effective as of December 31, 2001, West Pharmaceutical Services, Inc. amends its
Discounted  Stock  Purchase  Plan, As Amended and Restated,  (the "Plan") as set
forth below:

               ARTICLE 15 - TERMINATION AND AMENDMENTS TO PLAN
               -----------------------------------------------
               is hereby amended by deleting the first three
               sentences thereof and replacing them with the
               following:

          "The Plan  shall  terminate  on  December  31,  2006.  The Plan may be
          renewed, however, at any time by the Board of Directors of the Company
          for additional terms of up to five years each."

To record the adoption of this Amendment No. 1 to the Plan, West  Pharmaceutical
Services,  Inc. has caused its authorized officers to affix its name and seal as
of the 1st day of January, 2002.

[CORPORATE SEAL]                        WEST PHARMACEUTICAL SERVICES, INC.




Attest: ________________________        By: ____________________________________
      John R. Gailey III, Secretary      George R. Bennyhoff
                                         Senior Vice President, Human Resources