The Company’s main subsidiaries and investments include:

Subsea 7 S.A. (23.9% ownership),  Siem Offshore Inc. (83%),  Siem Shipping Inc. (d/b/a  STAR Reefers Inc., 81.2%),  Siem Car Carriers (100%), Siem Investments Inc. (100%),  Deusa International GmbH (49%),  Siem Europe S.a r.l. (100%), British Solar Renewables Limited (40%), Deep Seas Insurance Limited (51%).