SUBSIDIARY

ORGANIZED UNDER LAWS

OF

ABIOMED R&D, Inc.

Delaware

ABD Holding Company, Inc.

Massachusetts

Breethe, Inc.

Maryland

ABIOMED Europe, GmbH

Germany

ECP Entwicklungsgesellschaft mbH

Germany

AIS GmbH Aachen Innovative Solutions

Germany

ABIOMED SARL

France

ABIOMED Limited

United Kingdom

ABIOMED Athlone Ltd

Ireland

ABIOMED Japan KK

Japan

ABIOMED Singapore Pte. Ltd

Singapore

ABIOMED Australia Pte. Ltd

Australia