Investor Presentaiton

5,0% 4,0% 3,0% 2,0% 1,0% 2023 0,0% -1,0% -2,0% -3,0% 7,0% 6,0% 5,0% 4,0% 3,0% 2,0% 1,0% 0,0% -1,0% 2023 5 y/y growth of distribution tariffs in line with ERO's long term acceptance level of ca. 3% y/y change in Allowed regulated revenues 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 y/y change in distribution tariffs¹ 2035 2036 2037 2038 2039 2040 2041 2024 2025 2026 2027 2028 -2,0% -3,0% 9 (1) without N4G portion Source: GasNet; ERU 2029 2042\ 2043 2044 2046 2045,' 2047 2048 2049 ' 2050 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 A 2042 2043 2044 2045 2046 2047 2048 2049 2050 High demand Low readiness Scenario 1 High readiness Scenario 2 Low demand Scenario 3 Scenario 4 --- Sc 1 Sc 2 ---- Sc 3 Sc 4 BaU Sc 1 Sc 2 ---- Sc 3 The trajectories of simulated distribution tariffs for all scenarios show for next 20 years relatively stable development. The y/y changes are in line with ERO's long term acceptance level of ca. 3% Higher volatility in tariffs at the end of the period are driven by expected reduction in energy demand Sc 4 BaU gasnet.cz

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