CGNI Financial and ESG Update

5 Committed Net Zero Target Overview 6 Short-Term Retention 2025 Mid-Term Reduction Committed Net Zero 2030 2040 Target: -% 206 435 tCO₂e Scope 1+2 Emissions Target 2025 - keep emissions at the same level as 2020 baseline Abatement measures cover 5 emission sources: Own technological gas losses Fugitive gas leakages Energy consumption in operations Energy consumption in buildings Car fleet fuel consumption Incremental2 CAPEX (KEUR): 0 Incremental Average annual OPEX (KEUR): 0 Target: 15%1 175 470 tCO₂e Scope 1+2 Emissions Target 2030-reduction of 15% compared to 2020 baseline Target depends on the following measures: Accelerated renewal rate of medium-pressure pipeline Satellite monitoring for leakage detection Installation of screw expanders and CHP units Incremental CAPEX (KEUR): 0 Incremental OPEX (KEUR): 27 860 (64 415)³ Target: 100%1 0 tCO₂e Scope 1, 2 & 3 Emissions Target 2040 - commitment to be Net Zero by 2040 Net Zero includes additional operational measures beyond the 15% reduction in 2030 with further abatements through the transition to green gases, with 2 major elements to be solved: Market availability of green gases in CZ Economic viability (cost) of green gases in CZ Incremental CAPEX (KEUR): TBD Incremental Average annual OPEX (KEUR): TBD 1 Target compared to 2020 baseline | Increment = on top of MTP (currently not included in MTP or included only in MTP placeholder) | 3 Additional OPEX for the implementation of satellite monitoring for leakage detection as Option 2 (see slide 12) gasnet.cz 32

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