Framework for the Provision of Technical Advisory and Support Services.

For the provision Consultancy services covering the following: •Site work - incl building/roof structures, wind loadings/forces analysis, temp works, utili-ties, CDM compliance •Site Security – incl CNI, fencing, cameras/alarms, mobile site security •Internals - Fire suppression/deluge, HVAC, building services, cooling systems, cladding, control rooms •Ground conditions – incl drainage/surface water, access/traffic, roads/access ways •Installation and route engineering – pull/forces/bends, HDD techniques, duct pulls, terminations •Foundations, piling and other specialist ground and soil tests •Surveys (Topographical & Geotechnical) •Provision of skilled resources Additional information: The contract duration will depend on the achievement of financial close and completion of post close activities. Xlinks will be entitled to extend the contract by up to 12 months

For the provision Consultancy services covering the following: •Ecology, SSSI, habitat (e.g. animals/birds/rodents), protected species •All Archaeological activities •Planning, permits, licensing support and execution plans •Stakeholder management, community support, websites •Noise/visual disturbances and environmental screening •Water containment, discharge and sediment management •Land remediation, clean up and treatment •Provision of skilled resources •Traffic control and access management Additional information: The contract duration will depend on the achievement of financial close and completion of post close activities. Xlinks will be entitled to extend the contract by up to 12 months.

For the provision Consultancy services covering the following: •Marine surveys, Geotech/geophys, landfall analysis and associated data and its management •Vessels – CLV, cable burial and protection/ROV’s etc, CBRA/BSA etc, dredging, interface with offshore infrastructure/crossing agreements •Fisheries liaison/guard vessels, shipping and navigation, impact on fish, marine traffic •Route survey – specialist studies, modelling, specialist cable work/techniques e.g. pinning, stability/free-span analysis, geospacial data, UXO processes •Provision of skilled resources •Marine activity, vessel assurance activities including audits, procedures (Hazid/Hazop) •Offshore stakeholder management including 3rd party crossing agreements Additional information: The contract duration will depend on the achievement of financial close and completion of post close activities. Xlinks will be entitled to extend the contract by up to 12 months.

For the provision Consultancy services covering the following: •Detailed cable knowledge including ratings, jointing, repair, lay and burial, heat/thermal performance, fault finding, acoustic/thermal measurements, cable handling/load-out, spares etc. •Detailed converter knowledge including functionality, components (e.g. reactors, trans-formers) grid code compliance and standards, frequency containment and operability and harmonic analysis •Substation and converter assets, connection works, protection & control and connec-tion to remote end generator networks •Specialist technical services incl earthing, lightning protection, induced currents •Communications – performance and adequacy of interstation comms. for converter op-erations including latency analysis and black start •Cable monitoring DTS-DAS including contingency for fault finding e.g. TDR (or other) •System studies, harmonic and SSTI analysis •Provision of skilled resources •Provision of overload and or other National Grid ancillary services (e.g. frequency re-sponse) Additional information: The contract duration will depend on the achievement of financial close and completion of post close activities. Xlinks will be entitled to extend the contract by up to 12 months.

For the provision Consultancy services covering the following: •Risk management, process and efficiency assessments •Quality Assurance, audit, witness and factory testing •Vessel capability testing, audit and assurance •Environmental management and containment •Safety processes/systems and authorizations •Third Party Verification Services •Provision of skilled resources Additional information: The contract duration will depend on the achievement of financial close and completion of post close activities. Xlinks will be entitled to extend the contract by up to 12 months.

For the provision Consultancy services covering the following: •Plans, Procedures and other processes •Forms & Templates •CDM •Audits & Inspections •Registers •Emergency planning arrangements and testing •Electrical safety rules & authorisations •Provision of skilled resources Additional information: The contract duration will depend on the achievement of financial close and completion of post close activities. Xlinks will be entitled to extend the contract by up to 12 months.

For the provision Consultancy services covering the following: •Electrical System Studies and models including transient and harmonic •Operational scenarios •Artificial intelligence, visual and 3D technologies •Resilience parameters (power & telecoms) •Communications •Project Management resources •Provision of skilled resources Additional information: The contract duration will depend on the achievement of financial close and completion of post close activities. Xlinks will be entitled to extend the contract by up to 12 months.

For the provision Consultancy services covering the following: •Flood management plan •Site waste management plan •Air quality management plan •Pollution prevention response plan •Stakeholder Communication Plan •Artificial Light Emissions Management Plan •Watercourse Crossing Methodology •Public rights of way management plan •Provision of skilled resources Additional information: The contract duration will depend on the achievement of financial close and completion of post close activities. Xlinks will be entitled to extend the contract by up to 12 months.