Technical Architecture services for DWP Tech Debt register

The Supplier will provide Technical Debt remediation services as described in the GCloud Service Offering, service ID: 8728-3352-3498-405. This Call-Off Contract is for Services, with outcome-based deliverables detailed in the table below and will be operated as follows: • The Supplier Staff will be under the day-to-day direction and control of the Supplier, not DWP; • Any quality and non-delivery issues will be raised by DWP directly with the Supplier rather than the individual Supplier Staff; • The Supplier will be held accountable by DWP for non-delivery of the Services that are specified in this Contract, not the individual Supplier Staff; • The Supplier can substitute the individual Supplier Staff to undertake the Services within this contract. The Supplier will deliver the following outcome-based deliverables (the “Services”):

# Deliverable / Outcome Details of Activities Acceptance Criteria Estimated Milestone Date 1 Complete Q1 Tech Debit Items, Design Documents and DDA Packs Provide the level of solution oversight required from the architect role provided as part of this service to complete the agreed tech debt items for this quarter. All relevant items are approved at technical release board, completed to DWP standards and formally signed off by DWP technical lead. 30/06/2025 31 At the end of each quarter documentation is to be provided evidencing the completion of the relevant tech debt items.

3 Complete Q2 Tech Debit Items, Design Documents and DDA Packs Provide the level of solution oversight required from the architect role provided as part of this service to complete the agreed tech debt items for this quarter. All relevant items are approved at technical release board, completed to DWP standards and formally signed off by DWP technical lead At the end of each quarter documentation is to be provided evidencing the completion of the relevant tech debt items. 30/09/2025 4 Complete Q3 Tech Debit Items, Design Documents and DDA Packs Provide the level of solution oversight required from the architect role provided as part of this service to complete the agreed tech debt items for this quarter. All relevant items are approved at technical release board, completed to DWP standards and formally signed off by DWP technical lead At the end of each quarter documentation is to be provided evidencing the completion of the relevant tech debt items. 31/12/2025 5 Complete Q4 Tech Debit Items, Design Documents and DDA Packs Provide the level of solution oversight required from the architect role provided as part of this service to complete the agreed tech debt items for this quarter. All relevant items are approved at technical release board, completed to DWP standards and formally signed off by DWP technical lead At the end of each quarter documentation is to be provided evidencing the completion of the relevant tech debt items. 31/03/2026 6 Delivery management to complete all tech Debt items Delivery management and support as required and specified by the End Customer using existing techWork completed in line with chosen delivery methodology and DWP standards 31/03/2026 32 nology components wherever possible, while meeting user and business needs. Support delivery activities across the tech debt project and continuous improvement activities. Proactively progress tech debt items through to completion in a timely manner. Chair regular meetings to prioritise tech debt items. 7 Adoption, application, and oversight of architectural governance, ensuring that optimal approaches are used. The Supplier will provide Technical Architecture expertise for items on the Tech Debt register. Deliverables will be split (as a minimum) across the following areas, SAS, Informatica, CENTRIC, Citrix and Oracle. The Supplier will ensure the following: Assure an appropriate best practice approach is driven and use Architecture knowledge to guide the team through any challenges Assistance with Tech Debt workstream Risks and Issues as needed All design artefacts approved at the appropriate governance boards. 31/03/2026 8 Adoption, application, and oversight of architectural governance, ensuring that optimal approaches are used. Develop and manage network configuration and changes. This will apply to any deliverables on the tech debt register, as well as any defects identified. All design artefacts approved at the appropriate governance boards and defects resolved to DWP standards 31/03/2026 9 Completion of DR plan Design & develop Disaster Recovery (DR) plans and test each stage DR design and test signed-off and approved at the appropriate governance boards. 31/03/2026 10 Produce any required documentation in accordance with DWP standards, Ensure all documentation is clear and meets DWP requirements. Demos will be required, where there is a handover (knowledge transfer) to DWP resource. All documentation approved in accordance with DWP standards. 31/03/2026