xrn4361 UK Link Future Release 2 Release 2 Scope Business Benefit Review 1

UKL FR2 – Funding Executive Summary Funding Stage Gate – Individual change request cost assessment conducted for all 22 CRs in R2 scope Has identified 8 CRs that do not have a justified business case to spend change budget funds Only 1 CR out of the 10 to be funded from the DSC Change Budget has been identified 7 out 8 CRs to be funded from the UK Link Deferred Change Budget have been identified Customer overview on business case rationale to be provided via ChMC Agreement of approved/adjusted scope for R2 Agreement of funding to be agreed in Change Proposal (EQR & BER) 2

R2 Business Case - Scope Financial Assessment UK Link Future Release 2 proposed scope was agreed by the ChMC on 11/10/17 following a vote and the accompanying Change Proposal was provided to support the scope. Following the ChMC following receipt of external costs for individual CR delivery, Xoserve have conducted a business benefit review to understand the Value for Money against the spend for each CR. This review has identified 8 CRs do not have a case for change to spend change budget funding – See below table for breakdown. Assessment has identified manual workarounds are not as onerous as 1st predicted Low workaround efforts/costs for CDSP to operate Long payback for change costs to be realised Low risk of continuing to operate manual processes Internal/External Case For Change No Case For Change Internal - UK Link Deferred Change Budget 5 7 External - Market DSC Change Budget 1 3

R2 Business Scope – Approval of New Scope Following on from the individual CR business benefit review, 8 CRs are identified as not having a clear business case, Xoserve are recommending that only these 14 CRs should continue within the project delivery scope of UKL FR2. Option 1 – Continue with the scope of R2 for all 22 CRs Option 2 – Continue R2 with a scope of just the 14 CRs that have a business benefit/case for change Option 3* - Continue R2 with a scope of just the 14 CRs that have a business benefit/case for change and review potential scope for inclusion within R2 through the Detailed Design phase of the project (the review of scope will be against the ChMC prioritisation of the Change Demand Backlog and any new CRs received in the Change Process) * Changes under review for inclusion in R2 include UKLP281 – Cadent Billing and UKLP 109 – Replacement of a sequence of Meter Readings 3

Contact Us If you have any immediate questions on this, please write to box.xoserve.uklinkfuturerelease@xoserve.com or contact your relevant Customer Account Manager. 5

Appendix 6

Business Benefit Review (VFM) Appendix A - Proposed Release 2 Scope CR Ref Change Title Budget Business Benefit Review (VFM) UKLP112 Missing Key Data Items from iGTs to Shippers (Plot Number) Market DSC Change Budget Yes UKLP122 PAF Indicator field inclusion on VAD and ACR files UK Link Deferred Change Budget No UKLP140 .DUP & .DUS file type registration in AMT UKLP147 DDS/DDU file amendment UKLP194 Billing History by all NTS capacity / commodity related charges (from Nexus implementation onwards) UKLP197 Addition of New fields from CMS being available in BW/IP reporting environment UKLP222 Theft Risk Assessment Service Tip-off Hotline Data Provision – Enduring Solution UKLP223 Allow for a capacity revision on a Seasonally Large Supply Point UKLP226 Provide the DMSP with the AQ in the O13 record on the GCC file UKLP251 Reports required under UNC TPD V16.1 in Nexus (reports required by MOD 520A) UKLP256 NDM Twin Stream Read Validation 7

Business Benefit Review (VFM) Appendix A - Proposed Release 2 Scope CR Ref Change Title Budget Business Benefit Review (VFM) UKLP267 Remove ‘n’ as an allowable value from the .SFN file in ‘Fault corrected’ field & remove as allowable value from AMT & ISU. UK Link Deferred Change Budget Yes UKLP270 Amend referral rules for class 2 smaller LSP’s UKP273 Vulnerable Customer Data Requirements (Special Need Codes) Market DSC Change Budget UKLP287 Back billing for domestic (SSP) sites needs to be reflect the correct adjustment start date UKLP292 Changes to the upper parameter of the XDO partial refresh file UKLP300 Unique Sites – Adding profiles No XRN4248 Quarterly smart Metering reporting for HSE and DNs UKLP315 Meter Point Details Report & Sector Breakdown Report COR3386 New DN role for CMS UKLP325 Annual shrinkage submission (.ORD ) COR3283 Recording of DN Siteworks / New Network Connection Ref No in central systems 8

Release 2 Scope – Overview of 14 CRs High Benefit Common Code COR3386 UKLP292 UKLP147 UKLP223 UKLP273 UKLP287 UKLP325 COR3283 UKLP226 UKLP112 UKLP256 Low impact* UKLP267 UKLP194 UKLP222 UKLP122 UKLP270 UKLP251 UKLP300 XRN4248 UKLP197 UKLP315 UKLP140 * CRs struck through are recommended to be removed from R2 Scope For more information on individual change impact, please refer to the CDB held on the Joint Office website 9