CGNI Financial and ESG Update

2 Debt structure remained unchanged compared to 2021, net debt decreases with respect to shareholders' decision to temporarily suspend dividends. KPIs @ Dec 31, 2022 Debt structure CZK bn 60 6 50 • = Net debt* CZK 53.1bn (CZK 55.4bn @ Dec 31, 2021) • Net debt/ RAB = 88% • Net debt/EBITDA = 5.78x • FFO net leverage = 6.25x No financial covenants unless being downgraded to SubIG** FX hedging ratio 40 30 • Subordinated shareholder loans maturing in 2044 amounted to ca. 14 bn CZK as of December 31, 2022. * CZK 55.4bn including leasing liability ** The covenants imposed by banks require the Company to be assigned the credit rating corresponding the investment grade. If the rating would be below the investment one and the amount of net debt is less than RAB the Group shall repay its bank borrowings immediately. Maturity profile 99% * As of May.2023 IR hedging ratio 20 10 0 Acquisition bank loans EUR Senior 1.000% notes New bank loans - LT facility 2022 ■CZK Senior floating rate notes EUR Senior 0.875% notes EUR Senior green 0.450% notes 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 As of December 31, 2022, outstanding, not used Capex and RC commitments amounted to CZK 0.5bn resp. CZK 0.5bn 84% *As of 31.12.2022 gasnet.cz 14

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