Investor Presentaiton

9 5 Our Future of Gas project continues with focus on H2 readiness, adjusted renewal and H2-CAPEX strategy; and implementation of legal/market framework. Future of Gas I 2021 H2 Readiness Customer appliances Energy market structure Status vs. Future H2 Network Readiness Asset Managment Strategy adjustments torespond to H2 Financial and regulatory impact analysis Future of Gas II 2022 Sector Wide analysis on most critical appliances B2B and age structure of B2C boiler portfolio Further developed network implementation readiness status strategy (next two pages) Legal framework and new EU initiatives Stakeholder management Innovative Technologies to reduce emissions Link to GreenGasNet project Adjust renewal and develop H2 Identify bottlenecks (material / capacity) Regulatory and financial long- term implications from adjusted renewal and H2 strategy New EU guidelines New Czech Legislation Stakeholder management H2 production/ electrolysis to cover part of network losses Own PV vs. PPA, Negotiations with external partners on PV and PPA ► Upcoming discussions with the regulator ERO gasnet.cz 28

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