The Company’s main subsidiaries and investments include:

Subsea 7 S.A. (23.1% ownership),  Siem Offshore Inc. (33.6%),  Siem Shipping Inc. (d/b/a  STAR Reefers Inc., 83.9%),  Siem Car Carriers (100%), Siem Investments S.a.r.l. (100%),  Deusa International GmbH (44.3%),  Siem Europe S.a r.l. (100%), BSR Group Holdings Limited (83.6%), Deep Seas Insurance Limited (100%).