Subsidiary

Jurisdiction of Incorporation

Rocket Ownership

1.

Rocket Pharmaceuticals, Ltd.

Cayman Islands

100%

2.

Rocket Foundation, Inc.

Delaware

100%

3.

Spacecraft Seven, LLC

Delaware

100%

4.

Zebrafish Merger Sub II, LLC

Delaware

100%

5.

Rocket Pharmaceutical, Inc.

NJ

100%

6.

Rocket Pharmaceuticals, B.V.

Netherlands

100%

7.

Rocket Pharmaceuticals, GmbH

Switzerland

100%

8.

Rocket Pharmaceuticals UK, Ltd.

United Kingdom

100%

9.

Rocket Pharmaceuticals Spain, S.L.

Spain

100%