    <SEC-DOCUMENT>0000105770-19-000018-index.html : 20190425
    <SEC-HEADER>0000105770-19-000018.hdr.sgml : 20190425
    <ACCEPTANCE-DATETIME>20190425090545
    ACCESSION NUMBER:		0000105770-19-000018
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		19
    CONFORMED PERIOD OF REPORT:	20190425
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20190425
    DATE AS OF CHANGE:		20190425

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			WEST PHARMACEUTICAL SERVICES INC
    		CENTRAL INDEX KEY:			0000105770
    		STANDARD INDUSTRIAL CLASSIFICATION:	FABRICATED RUBBER PRODUCTS, NEC [3060]
    		IRS NUMBER:				231210010
    		STATE OF INCORPORATION:			PA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-08036
    		FILM NUMBER:		19765647

    	BUSINESS ADDRESS:
    		STREET 1:		530 HERMAN O. WEST DRIVE
    		CITY:			EXTON
    		STATE:			PA
    		ZIP:			19341
    		BUSINESS PHONE:		6105942900

    	MAIL ADDRESS:
    		STREET 1:		530 HERMAN O. WEST DRIVE
    		CITY:			EXTON
    		STATE:			PA
    		ZIP:			19341

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	WEST CO INC
    		DATE OF NAME CHANGE:	19990405
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>wst-q12019form8k.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: wst-q12019form8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>exh991q12019earningsrelease.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: exh991q12019earningsrelease.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>q12019wstpresentation.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: q12019wstpresentation.htm

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    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>exh991logoapr252019.jpg
    <TEXT>
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    Document 5 - file: q12019wstpresentation001.jpg

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    <SEQUENCE>6
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    <TEXT>
    Document 6 - file: q12019wstpresentation002.jpg

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    <SEQUENCE>7
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    <TEXT>
    Document 7 - file: q12019wstpresentation003.jpg

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    <SEQUENCE>8
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    <TEXT>
    Document 8 - file: q12019wstpresentation004.jpg

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    <SEQUENCE>9
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    <SEQUENCE>10
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    <TEXT>
    Document 10 - file: q12019wstpresentation006.jpg

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    <SEQUENCE>11
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    <TEXT>
    Document 11 - file: q12019wstpresentation007.jpg

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    <SEQUENCE>12
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    <TEXT>
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    <SEQUENCE>13
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    <TEXT>
    Document 13 - file: q12019wstpresentation009.jpg

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    <SEQUENCE>14
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    <TEXT>
    Document 14 - file: q12019wstpresentation010.jpg

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    <SEQUENCE>15
    <FILENAME>q12019wstpresentation011.jpg
    <TEXT>
    Document 15 - file: q12019wstpresentation011.jpg

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    <SEQUENCE>16
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    <SEQUENCE>17
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    <TEXT>
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    <SEQUENCE>18
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    <TEXT>
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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>wstlogoq119.jpg
    <TEXT>
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    </DOCUMENT>
    </SEC-DOCUMENT>