CGNI Financial and ESG Update

g 2 Distribution volume dropped in 2022 mainly as a result of warm weather and the energy crisis. Volume risk in 2023 mitigated via reduction in allowed volume. 50 000 45 000 B2B distribution volume 5 063 2 276 B2C distribution volume 32 000 31 000 6 011 30 000 2 417 29 000 1 957 48 056 28 000 31 070 1 824 35.000 42 173 27 000 39 598 37 670 30 000 40 000 2 390 25 000 ACT 2020 ACT 2021 BG 2022 ACT 2022 26.000 25 000 BG 2022 26 970 ACT 2022 2022 B2B: Decrease driven mainly by temporary shutdown of Sokolovská Uhelná powerplant, warm weather in Q1 and Q4/2022 and energy crisis B2C: Decrease of B2C segment mainly caused by warm weather in Q1 and Q4/2022 and energy crisis. Drop in distribution volume in both segments due to energy crisis was in 2022 ca.6% ■Distribution volume Warm weather Energy crisis Sokolovská Uhelná 80 550 Distribution volume (GWh) 64 640 62 200 ACT 2021 ACT 2022 Allowed volume 2023 ■Distribution volume ■Sokolovská Uhelná Energy crisis Warm weather 2023 Volume risk in 2023 mitigated via reduction in allowed volume that was used for calculation of distribution tariffs. Therefore, the achievability of allowed revenues does not seem to be at risk. (disruption in gas flows not assumed) Actual distribution volume in 2023 in line with allowed volume so far. gasnet.cz 11

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