Nexus Workgroup Transition Approach Update

1. Nexus WorkgroupTransition Approach Update 8th January 2014

2. Purpose of the Presentation • Provide proposed approach on how transitional issues will be raised and how solution options will be analysed & agreed • Share indicative timeline • Agree Next Steps

3. Approach • Transitional topics identified by industry will be raised via standard template & sent to Xoserve to record on the Business Change Analysis (BCA) register • Template for capturing topic information will be published following this meeting • Topics are also being identified by Xoserve during BCA & recorded within this central register • Xoserve will perform initial analysis & provide initial, high level solution options (where possible) based on information available • Options will then be developed and refined through the Nexus Workgroup • Principles / business rules agreed at Nexus Workgroup • Supplementary workgroups may be required to further understand the lower level detail of some topics to ensure options and recommendations are valid / feasible • Agreed options will then be documented & published • Consequential work (e.g. modification(s)) will be initiated following agreement

4. High Level Plan

5. Next Steps • Publish Transitional Topic Capture Template • Industry to raise transitional topics via template & send to Xoserve • Publish initial BCA register for agreement at Nexus Workgroup • Publish draft Transition approach documents and timelines for review and approval at February Workgroup • Plan extra workgroups from February to June to discuss Transition topics