Appendix

Water Consumption and Discharge

MED13BR.Information on Policy and Procedure ImplementationPCSB2
The Gazprom Group’s water resource use indicators, mcm
Recommendations for disclosure of non-financial information by PJSC
Indicator 2023 2024 2025 Change 2025/2024, %
Water used, including water used for: 4,330.36 4,436.75 3,992.79 –10.0
production purposes 3,864.22 3,982.02 3,561.27 –10.6
utility and drinking purposes 31.24 30.17 26.97 –10.6
other 434.90 424.56 404.55 –4.7
Wastewater discharges across the Gazprom Group, mcm
MED15PCSB4
Indicator 2023 2024 2025 Change 2025/2024, %
Total, incl.: 3,682.07 3,721.83 3,763.47 +1.1
• freshwater 3,652.62 3,693.35 3,741.37 +1.3
• non-freshwater 29.45 28.48 22.10 –22.4
To surface water bodies, total, incl.: 3,523.75 3,569.64 3,602.98 +0.9
• freshwater 3,494.30 3,541.16 3,580.88 +1.1
• non-freshwater 29.45 28.48 22.10 –22.4
On landNo non-freshwater discharges in this line and below. 0.82 0.63 0.30 –52.4
To subterranean layers 65.75 62.37 71.56 +14.7
To irrigation sewage fields 7.06 6.34 6.76 +6.6
To absorption fields 0.48 0.45 0.48 +6.7
To holding basins 0.87 0.78 0.38 –51.3
To public utilities 72.69 72.00 70.73 –1.8
To other systems 10.64 9.62 10.28 +6.9
Gazprom Group’s wastewater discharges into surface water bodies, 2021–2025, mcm
Indicator 2021 2022 2023 2024 2025
Gazprom Group3,225.442,937.953,523.753,569.643,602.98
Gas business companies 44.09 41.34 39.44 38.51 39.48
incl. PJSC Gazprom entities 21.43 18.31 17.46 15.66 16.44
Gazprom Neft 0.11 0.13 0.15 0.09 0.12
Gazprom Energoholding 3,144.20 2,872.82 3,462.13 3,509.18 3,540.95
Gazprom Neftekhim Salavat 37.04 23.66 22.03 21.86 2.42
PJSC Gazprom entities’ wastewater discharges into surface water bodies by business activity, 2021–2025, mcm
Indicator 2021 2022 2023 2024 2025
PJSC Gazprom entities21.4318.3117.4615.6616.44
Production 4.81 0.36 0.32 0.29 0.25
Transportation 5.33 5.07 5.05 4.93 5.04
Underground gas storage 0.11 0.11 0.10 0.09 0.10
Processing 0.23 0.35 0.70 0.84 0.53
Other 10.95 12.42 11.29 9.51 10.52

Wastewater Discharge

Gazprom Group entities’ polluted wastewater discharged into water bodies and transferred to third parties for treatment, thousand m3
MED15
Indicator 2023 2024 2025 Change 2025/2024, %
Polluted wastewater discharged into water bodies 101.46 96.17 75.33 –21.7
Wastewater treated to regulatory standards and discharged into water bodies 59.19 56.09 58.18 +3.7
Wastewater compliant with regulatory standards without treatment discharged into water bodies 3,363.10 3,417.38 3,469.47 +1.5
Wastewater transferred to third parties for treatment 72.69 72.00 70.73 –1.8

Waste Generation by Type

Gazprom Group’s waste generation by type, %
Waste type 2023 2024 2025 Change 2025/2024, p.p.
Bottom ash waste 14 8 8 0
Drilling waste 63 65 68 +3
Oil sludge 2 2 3 +1
Other 21 25 21 –4
Breakdown of the Gazprom Group’s waste sent for recycling and neutralization or recycled and neutralized by the Group’s own facilities, by waste type, %
Waste type 2023 2024 2025 Change 2025/2024, p.p.
Bottom ash waste 0.89 1.83 0.97 –0.86
Drilling waste 74.61 62.55 75.67 +13.12
Oil sludge 2.11 3.76 3.13 –0.63
Other 22.40 31.86 20.23 –11.63
Breakdown of the Gazprom Group’s waste sent for burial or buried at the Group’s own facilities, by waste type, %
Waste type 2023 2024 2025 Change 2025/2024, p.p.
Bottom ash waste 36.33 41.74 26.18 –15.56
Drilling waste 5.81 12.70 9.78 –2.92
Oil sludge 0.49 0.04 0.03 –0.01
Other 57.37 45.53 64.01 +18.48

Waste Handling

Gazprom Group’s waste handed over for recycling, neutralization, or otherwise treated, thousand tons
Recommendations for disclosure of non-financial information by PJSCMED18PCSB6
Indicator 2023 2024 2025 Change 2025/2024, %
Total waste managed, incl.: 109,151.54 109,262.62 109,000.40 –0.2
balance as of the beginning of the reporting year 105,544.64 105,858.14 105,902.39 0.0
generated in the reporting year 3,491.0 3,150.22 3,008.64 –4.5
received from other business entities 115.9 254.26 89.37 –64.9
Processed at facilities 5.1 1.40 1.59 +13.6
Recycled at facilities 750.1 880.45 667.27 –24.2
Neutralized at facilities 114.2 99.24 102.04 +2.8
Handed over to other business entities for processing 58.0 57.51 47.47 –17.5
Handed over to other business entities for recycling 1,867.2 1,772.10 1,730.42 –2.4
Handed over to other business entities for neutralization 195.7 227.55 180.56 –20.7
Handed over to other business entities for storage 14.8 20.56 20.00 –2.7
Handed over to other business entities for burial 142.4 139.88 120.43 –13.9
Disposed at operated (own) storage facilities 369.3 142.88 166.44 +16.5
Disposed at operated (own) burial facilities 150.7 160.18 94.79 –40.8
Generated as of the end of the reporting year 105,858.5 105,905.14 106,037.41 +0.1

List of Projects with Public Discussions on Proposed Business and Other Activities Held

In 2025, public discussions were held to consider community interests affected by proposed business and other activities, including the following projects:

  • development of the Chayandinskoye OGCF, stages 6 and 7;
  • development of the Yuzhno-Kirinskoye field;
  • pipeline connecting Verkhnevilyuchanskoye and Tas-Yuryakhskoye fields to the Power of Siberia gas trunkline;
  • Sakhalin – Khabarovsk – Vladivostok gas trunkline, stages 6.1, 6.2, 6.3;
  • upgrade of Zapolyarnoye Field gas pipelines (installation of pig launchers and receivers);
  • upgrade of KOS-4500 outfall sewer at Yamburg;
  • multifunctional sports facility at Gazprom Dobycha Yamburg’s administrative center in Novy Urengoy, including lakeside embankment development;
  • reconstruction of a solid domestic and industrial waste landfill at the Bovanenkovskoye OGCF.

Details on public discussions and hearings held in 2025 are available at Gazprom Proyektirovaniye’s official website.

Environmental Compliance Penalties and Payment Structure

Breakdown of the Group’s environmental penalties by entity, RUB million
Entity 2023 2024 2025
Gazprom Neft 3.49 38.63 10.45
PJSC Gazprom entities 0.89 1.24 1.41
Gazprom Energoholding 0.26 0.74 0.27
Other Gazprom Group entities 0.01 0.01 0.35
Total for the Gazprom Group4.6540.6212.48
Environmental penalties paid by the Gazprom Group (excluding joint operations) in the Russian Federation, RUB million
BR.Information on Policies and Procedures, Information on Policy and Procedure ImplementationPCSB15
Indicator 2023 2024 2025 Change 2025/2024, %
Penalties paid 4.65 40.62 12.48 –69.3