Risk 4: Dependency on a single supplier Risk mitigation plan: Ensure diversity of supply within each operator and geographical balance at national level and promote long-term sustainability of 5G supply chain Expected Potential Indicative Most relevant/high-impact measures effectiveness implementation factors timeframe Regulatory powers: SM01: Strengthening the role of national authorities SM02: Performing audits on operators and requiring information Diversification of suppliers: SM05: Ensuring the diversity of suppliers for individual MNOs, through appropriate multi-vendor strategies SM06: Strengthening the resilience at national level Sustainability and diversity of 5G supply and value chain: SM07: Identifying key assets and fostering a diverse and sustainable 5G ecosystem in the EU SM08: Maintaining and building diversity and EU capacities in future network technologies Depends on scope of measures, but can be HIGH or VERY HIGH Depends on scope of measure but can be VERY HIGH Depends on scope of measures but can be VERY HIGH  Resource costs  Sector-specific economic impacts (operators) (potentially) Broader economic and/or societal impacts  Resource costs  Sector-specific economic impacts (operators and suppliers) 44  (potentially) Broader economic and/or societal impacts  Resource costs  Sector-specific economic impacts (operators and suppliers)  (potentially) Broader economic impacts SHORT term SHORT to MEDIUM term. Depends on 5G deployment calendar. SHORT, MEDIUM and LONG term Risk 5: State interference through 5G supply chain Risk mitigation plan: Restrict the use of high risk suppliers and strengthen access controls, network monitoring and patch management processes Most relevant/high-impact measures Regulatory powers: SM01: Strengthening the role of national authorities SM02: Performing audits on operators and requiring information 44 Expected effectiveness Depends on scope of measures, but can be HIGH or VERY HIGH Potential implementation factors  Resource costs  Sector-specific economic impacts (operators) Indicative timeframe SHORT term For the measure SM05, sector-specific economic impact will also depend on on existing level of diversity 34