Subsidiary

Jurisdiction

Capella Space Corp.

Delaware

ID Quantique Limited

Republic of Korea

ID Quantique Inc.

Delaware

id Quantique SA

Switzerland

IonQ Federal, LLC

Delaware

IonQ Italia S.r.l.

Italy

IonQ Quantum Acquisitions, Inc.

Delaware

IonQ Quantum Canada, Inc.

Ontario

IonQ Quantum International GmbH

Germany

IonQ Quantum Israel Ltd.

Israel

IonQ Quantum Switzerland GmbH

Switzerland

IonQ Quantum UK Limited

England and Wales

IonQ Quantum, Inc.

Delaware

IonQ Sweden AB

Sweden

Lightsynq Technologies, Inc.

Delaware

Oxford Ionics DACH GmbH

Switzerland

Oxford Ionics Limited

England and Wales

Oxford Ionics North America Inc.

Delaware

Seed Innovations, LLC

Delaware

Skyloom Global, LLC

Delaware

Vector Atomic, Inc.

Delaware