1. user pays presentation 10th December 1 user pays services December 2007

2. 2 user pays presentation 10th December PROVISION OF INFORMATION (type 2 – non UNC) D8TA CENTRE SERVICES SERVICEPERFORMANCE STANDARDSCHARGING BASISBUSINESS RULES AQ enquiry2 business daysPer MPRN enquiryAs now IADAs per current arrangementsPer IAD account As per UNC, GT Licence etc D8TA CENTRE TELEPHONE ENQUIRY LINE Arrangements under review (currently 3 MPRNs per call 5 data items per MPRN) Chargeable phone line DVDOn a quarterly basisPer DVD EMAIL SERVICE Based upon number of MPRNs and requests. 10 types of reports Per request

3. 3 user pays presentation 10th December REPORTING (type 2 – non UNC) REPORT TITLETRIGGERFREQUENCYCHARGING BASIS Query Management - Standards of Service report Auto by dateMonthlyBy report Portfolio StatementAuto by dateMonthlyBy report User PortfolioEnd user requestAd hoc (no more frequent than monthly) By report CSEPS portfolio statementReceipt of user request Ad hocBy report Unique Sites - portfolio statementReceipt of user request Ad hocBy report Annual Asset PortfolioAuto by dateAnnuallyBy report Transco Asset PortfolioAuto by dateMonthlyBy report [“DEad” portfolioAuto by dateMonthlyBy report]* * to be confirmed

4. 4 user pays presentation 10th December Type 1 services (UNC) SERVICEPERFORMANCE STANDARDS CHARGING BASISBUSINESS RULES Must Read provision As now. Trigger, as now. Per valid read obtainedAs now SERVICEPERFORMANCE STANDARDS CHARGING BASISBUSINESS RULES Shipper Agreed Reads UO1 FILES 2 daysPer MPRNAs now EMAILTo be notifiedPer MPRNAs now FAXTo be notifiedPer MPRNAs now SERVICEPERFORMANCE STANDARDS CHARGING BASISBUSINESS RULES User Admission NonePer user applicantAs now

5. 5 user pays presentation 10th December Type 2 services “products” SERVICECHARGING BASISPotential pricing “product” AQ enquiryPer MPRN enquiryBy number of MPRNs IADPer IAD accountBy IAD account D8TA CENTRE TELEPHONE ENQUIRY LINE Chargeable phone lineUnder development DVDPer DVD Ad hoc (price for one-off report request) Annual subscription (4 scheduled DVDs) EMAIL SERVICEPer MPRNs within requestBanded by numbers of MPRNs tbc

6. 6 user pays presentation 10th December …Type 2 services products SERVICECHARGING BASISPotential pricing “product” Query Management - Standards of Service report Per reportAd hoc (price for one-off report request) Annual subscription (12 scheduled reports) Portfolio StatementPer reportAd hoc (price for one-off report request) Annual subscription (12 scheduled reports) User PortfolioPer reportAd hoc (price for one-off report request) Annual subscription (12 scheduled reports) CSEPS portfolio statementPer reportAd hoc (price for one-off report request) Annual subscription (12 scheduled reports) Unique Sites - portfolio statement Per reportAd hoc (price for one-off report request) Annual subscription (12 scheduled reports) Annual Asset PortfolioPer reportAd hoc (price for one-off report request) Annual subscription (1 scheduled report) Transco Asset PortfolioPer reportAd hoc (price for one-off report request) Annual subscription (12 scheduled reports) [“DEad” portfolioPer reportAd hoc (price for one-off report request) Annual subscription (12 scheduled reports)

7. 7 user pays presentation 10th December Type 1 services products SERVICECHARGING BASISPricing “product” Must ReadPer valid read obtainedOne meter read at the supply point Two meters read at the supply point Three or more meters read at the supply point Shipper Agreed Reads Per read submitted U01 file Email file Fax User Admission Per user applicant