1. East West Interconnector Access Rules 11 th March 2011

2. Recent Project Milestones Government Approval / Contract AwardMar 2009 Planning Permission in Britain & IrelandSep 2009 Commencement of Cable Works in Wales Nov 2009 Funding Secured/FNTPMar 2010 Commencement of Cable Works In IrelandJun 2010 Granted Foreshore Licence in Ireland Dec 2010 Converter Station Sites Construction Feb 2011 Marine Installation Works Phase 1Q2 2011

3. EWIP Cable Information WalesIrelandMarine Safety (LTA)000 Duct /Trenching complete100%50%0% HDDs0/30/4n/a Cable Installed60%0% Land Agreements3/628/306/6

4. Timeline & Milestones Milestones20112012 Q1  Consultation on Access Rules Q2  Regulatory approval of access rules?  Customer Training  First Capacity Auctions Q3  Moyle Go-live  Commissioning  East-West Go-live  East-West commercially operational Q4  Customer Registration

5. Access Rules - key features Will be fully compliant with the Congestion Management Guidelines Coordinated with other regional interconnections to ensure harmonised approach Access Rules will apply to East-West Interconnector. A different (but coordinated) set of access arrangements will apply to Moyle Access Rules will cover: Explicit Auctions → Auction Management Platform (AMP) Implicit Auctions → Single Electricity Market (SEM)

6. Access Rules - Scope

7. Auction Management Platform - key features Single Auction Platform for both EWIC & Moyle Different access rules and auction products for EWIC & Moyle Solution scalable to accommodate additional interconnectors as required Uses same service provider as IFA & BritNed (i.e. Unicorn) Interfaces to EirGrid, SONI, and NGC System Operators, Interconnector Owners, and EirGrid and SONI Interconnector Controllers, SEM, BETTA

8. Consultation timeline for East West Access Rules TaskFebMarAprMayJunJulyAug Consultation on access rules Redraft based on consultation feedback Submit to regulator for approval Regulatory Review Regulator approves EW access rules Start date 18 Feb ‘11 End date 18 Mar ‘11 Submit for approval 15 Apr ‘11 End of Review 31 May ‘11 Regulatory Approval ?

9. Thank you for your attention !