West Expands Presence in Korea with New Sales Office

SEOUL,South Korea,April 4,2019 --West Pharmaceutical Services,Inc. (NYSE: WST),a global leader in innovative solutions for injectable drug administration,today announced it has expanded its presence in the Asia Pacific region with a new sales office in Korea—West Pharmaceutical Services Korea Ltd. This new office is the result of West's purchase of the distribution business of GIS Korea Ltd.,a privately-owned medical device and healthcare products distributor serving the Korean market,who previously served as West's distributor in the region.

"We are excited to build upon the strong foundation that our distributor has established in Korea,as this is an important market for West and our customers," said Karen Flynn,Senior Vice President and Chief Commercial Officer,West. "By combining the local insight of the GIS Korea Team with West's global manufacturing reach and market-leading technical support team,we will be able to better serve our customers and position ourselves to grow our business in this region."

"Korean pharmaceutical and biotech companies are making great strides to bring new medicines to market,and our team has been working by their side with West's products and services to help them package and deliver their products,so they are delivered safely and effectively to patients," said Kwon Dong-Oh,Managing Director for West,Korea and former Managing Director for GIS Korea. "We are excited to join West and to be a part of a global team that is working to improve patient lives."

GIS has been partnering with West as a distributor since 2003 and has built an extensive network of customers across all segments. West has been operating for more than 95 years,delivering integrated containment and delivery solutions to customers,tailored to the specific needs of its pharmaceutical,biologic,generics,and medical device customer groups across the globe. With offices in Singapore,China,India,and Australia,and alongside our partner Daikyo Seiko,Ltd.'s presence in Japan,West is well-positioned to continue to address the increasing customer demand in this region.

Forward-Looking Statements

Certain forward-looking statements are included in this release. They use such words as "will," "position," "grow," "are making," "well-positioned," "continue," "increasing," and other similar terminology. These statements reflect management's current expectations regarding future events and operating performance and speak only as of the date of this release materially.The acquired business may not perform as expected or desired. There may be disruptions and/or expense relating to the integration of the acquired business,which can impact the Company. These forward-looking statements involve a number of risks and uncertainties. For a description of factors that could cause the Company's future results to differ from those expressed in any such forward-looking statements,see Item 1A,entitled "Risk Factors," in the Company's Annual Report on Form 10-K for the year endedDecember 31,2018. Except as required by law or regulation,we undertake no obligation to publicly update any forward-looking statements,whether as a result of new information,future events,or otherwise.

About West

West Pharmaceutical Services,Inc. is a leading manufacturer of packaging components and delivery systems for injectable drugs and healthcare products. Working by the side of its customers from concept to patient,West creates products that promote the efficiency,reliability and safety of the world's pharmaceutical drug supply. West is headquartered in Exton,Pennsylvania,and supports its customers from locations in North and South America,Europe,Asia and Australia. West's 2018 net sales of $1.7 billion reflect the daily use of approximately 112 million of its components and devices,which are designed to improve the delivery of healthcare to patients around the world. For more information,please visit www.westpharma.com.

West and the diamond logo and By your side for a healthier world™ are registered trademarks or trademarks of West Pharmaceutical Services,Inc.,in the United States and other jurisdictions.

Media Contacts:

Jessie Zhang

Global Communications,AP

West Pharmaceutical Services,Inc.

+86 21 31651821

jessie.zhang@westpharma.com

Emily Denney

Global Communications

West Pharmaceutical Services,Inc.

+ 1-610-594-3035

Emily.Denney@westpharma.com

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