Exhibit 4(c)(3)



                        JOINDER AND ASSUMPTION AGREEMENT



          Joinder and Assumption Agreement,  dated as of February 28, 2001, made
     by PACO LABORATORIES,  INC., WEST PHARMACEUTICAL SERVICES CANOVANAS,  INC.,
     WEST  PHARMACEUTICAL  SERVICES  OF  DELAWARE,   INC.,  WEST  PHARMACEUTICAL
     SERVICES  VEGA  ALTA,  INC.,  and  WEST  PHARMACEUTICAL   CLEVELAND,   INC.
     (collectively  the "Additional  Borrowers"),  in favor of the Banks and the
     Agent (as each such term is  defined in the Credit  Agreement  referred  to
     below).

                                   WITNESSETH:

          WHEREAS,   West  Pharmaceutical   Services,   Inc.  ("West")  and  its
     subsidiaries from time to time party thereto, the banks and other financial
     institutions  from time to time  parties  thereto  and PNC  Bank,  National
     Association,  as Agent, are parties to a Credit Agreement, dated as of July
     26, 2000 (as amended, supplemented or otherwise modified from time to time,
     the "Credit Agreement"); and

          WHEREAS, the Additional Borrowers are direct or indirect  subsidiaries
     of West and,  in  consideration  for,  among other  things,  the ability to
     borrow under the Credit Agreement,  the Additional  Borrowers are executing
     and delivering this Agreement.

          NOW  THEREFORE,  in  consideration  of the  foregoing  and  for  other
     consideration, the receipt and sufficiency of which is hereby acknowledged,
     the Additional  Borrowers,  intending to be legally bound,  hereby agree as
     follows:


          1. Defined Terms.  Unless otherwise defined herein,  capitalized terms
     defined in the Credit Agreement are used herein as therein defined.

          2.  Joinder.  Each of the  Additional  Borrowers  hereby  agrees  that
     effective as of the date hereof, such Additional Borrower is, and shall be,
     a  Borrower  under  the  Credit  Agreement  with  all  of  the  rights  and
     obligations  of a Borrower  thereunder,  and the term Borrower when used in
     the Credit  Agreement  or in any other Loan  Document  shall  include  such
     Additional  Borrower.  As a result (i) each  Additional  Borrower  shall be
     entitled to borrow or have Letters of Credit  issued for its account  under
     the Credit Agreement on the terms of, and subject to the conditions of, the
     Credit Agreement to the same extent as if it were an original  signatory to
     that  Agreement as a Borrower and (ii) each  Additional  Borrower  shall be
     liable to the Agent and the Banks for, and hereby  assumes and agrees to be
     liable for, all of the  obligations and liabilities of a Borrower under the
     Credit  Agreement,  the Notes and the other Loan Documents as applicable to
     the same extent as if it were an original signatory to those documents as a
     Borrower. Each of the Additional Borrowers hereby agrees with the Agent and
     the Banks that it shall perform, comply with and be subject to and be bound
     by, each of the terms,  provisions and conditions of the Credit  Agreement,
     including,  without limitation,  the monetary payment provisions,  and each
     other  Loan  Document  to which it is a party by virtue of this  Agreement.





     Without limiting the generality of the foregoing,  each Additional Borrower
     hereby  represents  and warrants that (i) each of the  representations  and
     warranties  set forth in  Section  3 of the  Credit  Agreement  is true and
     correct as to such  Additional  Borrower on and as of the date hereof as if
     made on and as of the date hereof by such Additional Borrower and (ii) such
     Additional  Borrower has heretofore received a true and correct copy of the
     Credit  Agreement  and each of the  other  Loan  Documents  (including  any
     amendments, supplements or waivers thereto) as in effect on the date hereof

          Each Additional Borrower hereby makes,  affirms, and ratifies in favor
     of the Banks and the Agent the Credit Agreement,  the Notes and each of the
     other Loan  Documents  given by one or more of the  Borrowers  to the Agent
     and/or the Banks.

          Each  Additional  Borrower  also  agrees to execute and deliver (or to
     cause to be executed and  delivered) at any time and from time to time such
     further  instruments  and documents and do or cause to be done such further
     acts as may be  requested by the Agent to  effectuate  the  provisions  and
     purposes of this Agreement,  it being acknowledged,  however,  that no such
     documents  are  needed in order for such  Additional  Borrower  to become a
     Borrower  under  the  Credit  Agreement  and to be  liable  for  all of the
     obligations  and  liabilities  of a  Borrower  thereunder  as if it were an
     original signatory thereto.

          3. Additional Representations and Warranties. Each Additional Borrower
     hereby represents and warrants to the Banks and the Agent that:

          (a) There  exists no  Default  or Event of  Default  under the  Credit
     Agreement; and

          (b) The  execution  and  delivery  of this  Agreement  has  been  duly
     authorized by all requisite  action on behalf of such Additional  Borrower,
     and this  Agreement  and any other Loan  Document to which it is a party by
     virtue  of  this  Agreement   constitutes  the  legal,  valid  and  binding
     obligation  of  such  Additional   Borrower,   enforceable  against  it  in
     accordance  with its  terms,  except as  enforceability  may be  limited by
     applicable bankruptcy,  insolvency,  reorganization,  moratorium or similar
     laws  affecting  the  enforcement  of  creditors'  rights  generally and by
     general equitable  principles (whether enforcement is sought by proceedings
     in equity or at law).

          4.  Effectiveness.  This Agreement shall become effective upon receipt
     by the  Agent of  counterparts  hereof  duly  executed  by each  Additional
     Borrower and acknowledged by the Agent and West on behalf of the Borrowers

          5. Limited Effect. Except as expressly amended by this Agreement,  the
     Credit  Agreement and the other Loan  Documents  shall  continue to be, and
     shall remain,  unaltered  and in full force and effect in  accordance  with
     their terms.

          6. Miscellaneous.

          (a) Expenses. Each Additional Borrower and each of the other Borrowers
     jointly  and  severally  agree  to  pay  all  of  the  Agent's   reasonable
     out-of-pocket   expenses  incurred  in  connection  with  the  preparation,
     negotiation and execution of this Agreement, including, without limitation,
     the reasonable fees and expenses of counsel to the Agent.




          (b) Governing Law. This  Agreement  shall be governed by and construed
     in accordance with the laws of the Commonwealth of Pennsylvania.

          (c) Successor and Assigns.  The terms and provisions of this Agreement
     shall be binding  upon and shall  inure to the  benefit of each  Additional
     Borrower, the other Borrowers, the Agent and the Banks and their respective
     successors and assigns.

          (d)  Counterparts.  This  Agreement  may be  executed  in one or  more
     counterparts,  each of which shall be deemed to be an original,  and all of
     which shall constitute one and the same instrument.

          (e) Headings.  The headings of any paragraph of this Agreement are for
     convenience only and shall not be used to interpret any provision hereof

          (f) Modifications. No modification hereof or any agreement referred to
     herein  shall be binding  or  enforceable  unless in writing  and signed on
     behalf of the party against whom enforcement is sought.




     IN WITNESS WHEREOF,  each Additional  Borrower has caused this Agreement to
be duly executed and delivered by its proper and duly  authorized  officer as of
the date and year first above  written and West has caused this  Agreement to be
acknowledged,  executed and delivered by its proper and duly authorized  officer
as of the day and year first above written.


                                  PACO LABORATORIES, INC.
                                  By:    /s/ Stephen M. Heumann
                                  Name:  Stephen M. Heumann
                                  Title: President



                                  WEST PHARMACEUTICAL SERVICES
                                  CANOVANAS, INC.
                                  By:    /s/ Stephen M. Heumann
                                  Name:  Stephen M. Heumann
                                  Title: President



                                  WEST PHARMACEUTICAL SERVICES
                                  OF DELAWARE, INC.
                                  By:    /s/ Stephen M. Heumann
                                  Name:  Stephen M. Heumann
                                  Title: President



                                  WEST PHARMACEUTICAL SERVICES
                                  VEGA ALTA, INC.
                                  By:    /s/ Stephen M. Heumann
                                  Name:  Stephen M. Heumann
                                  Title: President



                                  WEST PHARMACEUTICAL
                                  CLEVELAND, INC.
                                  By:    /s/ Stephen M. Heumann
                                  Name:  Stephen M. Heumann
                                  Title: President




ACKNOWLEDGED, ACCEPTED AND AGREED:


WEST PHARMACEUTICAL SERVICES, INC., as
Borrowers' Representative

By:
Name:
Title:




PNC BANK NATIONAL ASSOCIATION,
as Agent

By:     /s/ Amy T. Peterson
Name:   Amy T. Peterson
Title:  Vice President






ACKNOWLEDGED, ACCEPTED AND AGREED:



WEST PHARMACEUTICAL SERVICES, INC., as
Borrowers' Representative

By:     /s/ Stephen M. Heumann
Name:       Stephen M. Heumann
Title:      Vice President




PNC BANK NATIONAL ASSOCIATION,
as Agent

By:
Name:
Title: