The Company’s main subsidiaries and investments include:

Subsea 7 S.A. (23.1% ownership),  Siem Offshore Inc. (33.6%),  Siem Shipowning Inc. (84.1%), Star Reefers Inc. (84.0%)  Siem Car Carriers (100%), Seven Yield Holding Pte. Ltd. (100%), Siem Investments S.a.r.l. (100%),  Deusa International GmbH (60.0%),  Siem Europe S.a r.l. (100%), Deep Seas Insurance Limited (100%).