Relationships Role Relationship Start Relationship End
Ubs Northern D Llc Parent 10/31/2008
Ubs International Infrastructure Fund Parent 11/30/2007 10/30/2008
Ubs International Infrastructure (No. 4) Fund Parent 10/30/2008 10/30/2008
Ubs International Infrastructure (Netherlands) Fund Parent 2/29/2008 10/30/2008
Ubs International Infrastructure (Us Tax Exempt) Fund Parent 10/30/2008 10/30/2008
Ubs Americas Inc. Parent 8/15/2007 2/28/2008
Ubs Northern C Llc Subsidary 10/10/2007
Aig Highstar Capital Ii Northern Star Main Blocker Llc Subsidary 8/15/2007 11/9/2007
Aig Highstar Capital Ii Northern Prism Overseas Blocker Llc Subsidary 8/15/2007 11/9/2007
Aig Highstar Capital Ii Northern Star Prism Overseas Coinvest Blocker Llc Subsidary 8/15/2007 11/9/2007
Acquisitions & Mergers Role Assets Acct Method Type Transaction Date
Aig Highstar Capital Ii Northern Star Main Blocker Llc Seller Discontinued 11/10/2007
Aig Highstar Capital Ii Northern Prism Overseas Blocker Llc Seller Discontinued 11/10/2007
Aig Highstar Capital Ii Northern Star Prism Overseas Coinvest Blocker Llc Seller Discontinued 11/10/2007