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Environmental Performance

Environmental Performance

Atmospheric emissions

In 2022 total emissions of atmospheric pollutants across all businesses of Severstal reduced by 21% from 2021.

Severstal Russian Steel reduced its emissions mostly through the federal Clean Air project, lower sulphur content in iron ore raw material for sintering agglomerate, and lower production volumes at Cherepovets Steel Mill.

Severstal Resources reduced pollutant emissions mostly due to the sale of Vorkutaugol and lower production volumes at Karelsky Okatysh.

Atmospheric emissions of pollutants

thousand tonnes

Severstal Russian Steel

Severstal Resources

Atmospheric emissions of material pollutants, tonnes

Year	Nitrous oxides	Sulphur dioxide	VOC**	Particulate matter	Carbon monoxide	Other	Total
2020	15,6	101,6	0,9	22,3	208,8	102,0	451,2
2021	16,7	104,4	1,1	24,4	212,0	109,4	468,0
2022	15,6	98,8	1,3	19,7	202,3	31,8	369,5

Waste Management

Severstal Resources generates 97% of all waste in Severstal. Most of this amount (over 99.9%) is non-hazardous mining waste such as overburden and tailings.

Biotesting confirmed that this waste has low impact on the environment and barely disturbs the ecosystem.
There is no widespread use of this waste today, and we use some of it internally (production of crushed stone, road maintenance and dam reinforcement).

In 2022, waste disposal (excluding bulk mining waste) decreased by 59%. Key reasons: Cherepovets Steel Mill reduced investment activities related to the formation of soil and reinforced concrete, increased recycling of reinforced concrete and sale of soil waste to the city landfill; reduced generation of shredder waste; Vorkutaugol's separation from the company.

Year	Overburden and tailings	Other	Total
2020	208,5	7,1	215,6
2021	203,4	7,3	210,7
2022	179,0	6,9	185,9

Year	Severstal Resource	Severstal Russian Steel	Total
2020	0,060	0,315	0,375
2021	0,075	0,199	0,274
2022	0,010	0,102	0,112

Waste recycling

All major waste (excluding bulk waste from Severstal Resource) is a by-product of metallurgical processing and is recycled either as a raw material or as a finished product.

99.1%

Waste recycling rate for the Company

Year	Slag	Scrap metal	Process waste	Scale	Aspiration and gas cleaning dust	Steelmaking sludge
2020	4,17	0,8	0,27	0,33	0,23	0,19
2021	4,50	0,86	0,29	0,32	0,28	0,32
2022	4,32	0,80	0,27	0,29	0,32	0,29

Year	Processing into products	Re-using as raw material	Outsourcing for disposal, neutralisation and recycling
2020	80	14	1
2021	81	14	3
2022	81	15	3

* including previously accumulated waste

Use of Water Resources

We continuously monitor our use of water resources as well as wastewater and natural water quality.

Monitoring results are submitted to regulatory authorities on a quarterly and annual basis. Severstal complies with the conditions of water use and discharge permits and its quotas. Our businesses use a comprehensive approach to water resource protection, gradually moving towards optimum and responsible use of water in production. For example, Cherepovets Steel Mill (our largest consumer of natural water) has a negligible impact on water bodies, at 0.073%, up from 0.069% in 2021.

By the end of 2022, a 36% reduction in wastewater discharges to water bodies was achieved. Severstal Russian Steel decreased discharges via Cherepovets Steel Mill and its reduced precipitation and production volumes, and increased water levels in ash pond No. 2.
Severstal Resources decreased discharges by selling Vorkutaugol, decreased precipitation and water inflow, and shutdown of a discharge header to raise water levels in the Karelsky Okatysh tailings pond.

Water consumption and water discharge at Cherepovets Steel Mill

million cubic metres

Water consumption

Water discharge

Water consumption and discharge, thousand cubic meters

Indicator	Cherepovets Steel Mill 2020	Cherepovets Steel Mill 2021	Cherepovets Steel Mill 2022	Severstal Resources 2020	Severstal Resources 2021	Severstal Resources 2022	Total for Severstal 2020	Total for Severstal 2021	Total for Severstal 2022
Total water intake from natural sources (production and household needs)	59 056	63 086	59 343	6 966	7 126	4 689	66 022	70 212	64 032

Indicator	Cherepovets Steel Mill 2020	Cherepovets Steel Mill 2021	Cherepovets Steel Mill 2022	Severstal Resources 2020	Severstal Resources 2021	Severstal Resources 2022	Total for Severstal 2020	Total for Severstal 2021	Total for Severstal 2022
Production needs	45 949	50 768	48 590	1 303	1 313	1 302	47 252	52 081	49 892
Household needs	18	19	23	0	0	0	18	19	23

Indicator	Cherepovets Steel Mill 2020	Cherepovets Steel Mill 2021	Cherepovets Steel Mill 2022	Severstal Resources 2020	Severstal Resources 2021	Severstal Resources 2022	Total for Severstal 2020	Total for Severstal 2021	Total for Severstal 2022
Production needs	9	10	2	1 693	1 733	697	1 702	1 743	699
Household needs	25	31	18	181	165	42	206	196	60
Alternate water sources for production needs	8 120	6 746	4 710	413	386	322	8 533	7 132	5 032
Irrevocable water consumption for production needs	30 153	34 687	34 450	6 599	6 818	4 374	36 752	41 505	38 825

Indicator	Cherepovets Steel Mill 2020	Cherepovets Steel Mill 2021	Cherepovets Steel Mill 2022	Severstal Resources 2020	Severstal Resources 2021	Severstal Resources 2022	Total for Severstal 2020	Total for Severstal 2021	Total for Severstal 2022
Production needs	573	647	667	1 963	2 085	968	2 536	2 732	1 635
Household needs	4 362	4 865	5 333	1 413	1 444	1 358	5 775	6 309	6 691
Water discharges to natural sources after use	28 903	28 399	24 893	367	308	314	29 270	28 707	25 207
Water recycling, %	98,4	98,4	98,4	99,1	99,1	99,4	98,3	98,3	98,4
Share of water from alternate sources for production needs%	14,9	11,3	8,7	7,7	7,0	9,8	14,2	11,2	8,8

Total amount of reused water

million cubic meters

Severstal Russian Steel

Severstal Resources

Irrevocable water consumption for production needs,
cubic metres per tonne of steel

Severstal

Cherepovets Steel Mill

Severstal Resources

Water discharge

thousand cubic metres

Severstal Russian Steel

Severstal Resources

Wastewater discharge in water bodies

thousand tonnes

Severstal Russian Steel

Severstal Resources

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