1. v5 p.1 Consultation Period Offshore Electricity Transmission – milestones (1) Apr - JuneJuly - SeptOct - DecJan - Mar KEY: 2006/7 Initial Framework Oct/Nov Geographic scope Workstream Technical standards Project Management Allocation method Codes Licences Plan May Develop principles Assess options Prepare discussion papers OTEG ToR Apr Assess options Prepare Exec papers Draft Initial Framework Authority sign-off Prepare discussion papers Prepare Exec papers Draft Initial Framework Authority sign-off Review Responses Prep Exec Papers Draft Conclusions Authority sign-off Response Period Develop principles Prepare tender spec Price Control Regime Update Milestone Workstream ActivityOTEG / Board Mth Steering C’tee S/C Draft for discussion Open Sep GBSO Open Letter Jun Consult Period Conclusions: Detailed model & price control principles Jan/Feb

2. v5 p.2 Review Responses Prep Exec Papers Draft Proposals Authority sign-off Consultation Period Offshore Electricity Transmission – milestones (2) Apr - JunJuly - SeptOct - DecJan - Mar KEY: 2007/8 Geographic scope Workstream Technical standards Project Management Allocation method Codes Licences Draft Legislative Texts July Expressions of Interest 3-month DTI Consultation Period Enact Energy Act powers Review responses Prepare Exec papers Draft Final Consultation Exec sign-off Auth sign-off Consultation Period Detailed Framework Apr Price Control Regime Bid preparationInitial Tender Period Milestone Workstream ActivityOTEG / Board Mth Steering C’tee S/C Final Framework Published Dec Draft for discussion Detailed Price Control Design

3. v5 p.3 Price Control rates of return agreed Offshore Electricity Transmission – milestones (3) Apr - JuneJuly - SeptOct - DecJan - Mar KEY: 2008/9 Geographic scope Workstream Technical standards Project Management Allocation method Codes Licences Review Sept Licence Mods Licence Granted July Price Control Regime Tender Award July Final tender negotiations Regulatory regime in operation Ofgem Milestone Workstream ActivityOTEG / Board Mth Steering C’tee S/C Draft for discussion