Subsidiary Name

Subsidiary Jurisdiction

Repligen Sweden AB

Sweden

Repligen GmbH

Germany

Repligen Singapore Pte. Ltd.

Singapore

Repligen Europe B.V.

Netherlands

Repligen (Shanghai) Biotechnology Co. Ltd.

China

Repligen Japan LLC

Japan

Repligen India Private Limited

India

Repligen Korea Co., Ltd.

South Korea

ARTeSYN Biosolutions Holdings Ireland Ltd.

Ireland

ARTeSYN Biosolutions Ireland Limited

Ireland

Repligen Estonia OṺ

Estonia

Repligen Ireland Limited

Ireland

Spectrum Life Sciences, LLC

United States

C Technologies, Inc.

United States

Polymem S.A.

France

Repligen UK Limited

United Kingdom

FlexBiosys Inc.

United States

Metenova Holding AB

Sweden

Metenova AB

Sweden

Metenova America Inc.

United States

Tantti Laboratory Inc

Taiwan