Release 2 Baselined Customer Training Requirements 7th March 2018

Introduction The following slides detail the changes in scope of Release 2 and the agreed customer training / education requirements The training requirements are detailed for each change being implemented in R2 and split out by Customer Class (slides 3 & 4) The training proposals were presented at DSG on 5th February These were agreed at DSG on 19th February 2018. Customers who missed the 5th Feb meeting provided agreement following 19th Feb meeting The training that will be provided by Xoserve will be delivered as described on the following slides However if any further support is required this will be provided if possible The training methods are categorised into 3 areas depending on the impact to customers (slide 2); whether there are any changes to processes, file flows or changes to screens No action is required from ChMC, this is for information (although happy to make changes if requested)

Type of Training / Education Methods of Training Type of Training / Education What will be Delivered How Delivered Provided When Awareness Document that details the change and who is impacted Document published on Xoserve website No impact to processes, files or screens Overview Detailed document providing information on the changes, impacts to processes, system steps and files / reports Document published on Xoserve website & where required, supported by Webex sessions Impact to processes, files & minor changes to screens Training Classroom style training to provide instruction on the changes to systems and supported by training documents Document published on Xoserve website and supported via Webex session or, where required, face to face training session Significant change to process and systems / screens

Agreed Training Requirements for Release 2 Reference Description Shippers iGTs DNs XRN3995 / UKLP222 Theft Risk Assessment Service Tip-Off Hotline Data Provision Awareness XRN4299 / UKLP251 Reports required under TPD V16.1 (for Mod 520A) XRN4248 Smart Metering reporting for HSE & DNs Overview XRN3386 New DN role for CMS N/A XRN3477 / UKLP112 Missing key data items from iGTs to Shippers UKLP273 PSR requirements – vulnerable customer data XRN3283 Recording DN Siteworks in UKLink XRN4303 / UKLP267 Remove ‘n’ as an allowable value in SFN file

Agreed Training Requirements for Release 2 Reference Description Shippers iGTs DNs XRN4304 / UKLP270 Amend Referral rules for Class 2 Overview XRN4309 / UKLP287 Backbilling for SSPs Awareness XRN 4288 / UKLP147 DDS/DDU file amendment N/A XRN2831 / UKLP292 Changes to the parameter of the XDO file XRN4316 / UKLP315 Meter Point details report XRN4513 / UKLP359 Change to validation of address fields XRN4514 / UKLP367 File changes for Must Read invoice XRN4249 Address maintenance solution