SUBSIDIARY

ORGANIZED UNDER LAWS

OF

ABIOMED Holding Company, Inc.

Delaware

ABIOMED Commercial, LLC

Delaware

ABIOMED R&D, Inc.

Delaware

Breethe, Inc.

Delaware

Precardia, Inc

Delaware

ABIOMED Australia Pte. Ltd

Australia

ABIOMED SARL

France

Precardia SAS

France

ABIOMED Europe, GmbH

Germany

AIS GmbH Aachen Innovative Solutions

Germany

ECP Entwicklungsgesellschaft mbH

Germany

ABIOMED Athlone Ltd

Ireland

ABIOMED Japan KK

Japan

ABIOMED Singapore Pte. Ltd

Singapore

ABIOMED Ltd.

United Kingdom