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ESG Performance Data

Environment

＊ We intend to obtain third-party assurance for the FY2025 data. Accordingly, certain figures may be revised during the assurance process.

Input ⇒ Output Data (FY2025)

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Greenhouse Gas (GHG) Energy

GHG

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		Scope	2022	2023	2024	2025
GHG emissions (Scope1) / thousand tons		Mitsui Chemicals, Inc.	3,336	3,537	3,383	3,186
		Domestic subsidiaries and affiliates	65	117	106	106
		Overseas subsidiaries and affiliates	143	22	42	49
		Mitsui Chemicals Group	3,545	3,675	3,531	3,341
GHG emissions (Scope2) / thousand tons		Mitsui Chemicals, Inc.	470	534	486	490
		Domestic subsidiaries and affiliates	138	146	96	88
		Overseas subsidiaries and affiliates	350	232	316	326
		Mitsui Chemicals Group	957	912	896	904
GHG emissions(Scopes 1 and 2)/ thousand tons		Mitsui Chemicals Group	4,502	4,587	4,428	4,245
GHG emissions (Scope3) / thousand tons		Mitsui Chemicals Group	ー	16,639	16,209	16,838
	01: Purchased goods and services		ー	9,211	9,185	9,517
	02: Capital goods		ー	508	397	444
	03: Fuel- and energy-related activities (not included in scope 1 or scope 2)		ー	459	478	505
	04: Upstream transportation and distribution		ー	106	91	79
	05: Waste generated in operations		ー	92	80	94
	06: Business travel		ー	3	2	2
	07: Employee commuting		ー	9	8	8
	11: Use of sold products		ー	131	145	125
	12: End-of-life treatment of sold products		ー	6,122	5,824	6,065
GHG emissions (Scope3) / thousand tons		Mitsui Chemicals, Inc.	11,691	10,673	ー	ー
	01: Purchased goods and services		5,525	4,754	ー	ー
	02: Capital goods		136	255	ー	ー
	03: Fuel- and energy-related activities (not included in Scope 1 or 2)		272	355	ー	ー
	04: Upstream transportation and distribution		65	46	ー	ー
	05: Waste generated in operations		43	44	ー	ー
	06: Business travel		7	10	ー	ー
	07: Employee commuting		4	5	ー	ー
	08: Upstream leased assets		1	1	ー	ー
	11: Use of sold products		2,985	2,950	ー	ー
	12: End-of-life treatment of sold products		2,034	1,841	ー	ー
	15: Investments		619	414	ー	ー
GHG emissions intensity per sales revenue / tons・billion yen^-1		Mitsui Chemicals Group	24.0	26.2	24.5	25.4
GHG emissions reduction rate (Scopes 1 and 2)^2 / % compared to FY2013		Mitsui Chemicals Group	27	26	28	28

Energy

	Scope	2022	2023	2024	2025
Energy consumption / PJ	Mitsui Chemicals, Inc.	69.5	67.8	64.6	61.1
	Domestic subsidiaries and affiliates	3.7	5.3	4.0	3.9
	Overseas subsidiaries and affiliates	9.5	4.8	6.2	6.4
	Mitsui Chemicals Group	82.8	77.8	74.9	71.4
Non-renewable energy consumption / MWh	Mitsui Chemicals Group	22,984,400	21,497,000	20,571,000	17,275,000
Renewable energy consumption / MWh	Mitsui Chemicals Group	96,300	203,000	145,000	103,000
Five-year annual energy intensity reduction rate / %	Mitsui Chemicals, Inc.	0.7	△ 1.0	△ 1.2	△ 2.1

Industrial Waste

		Scope	2022	2023	2024	2025
Total waste generated / thousand tons		Mitsui Chemicals Group	213.2	362.7	321.4	321.3
	Hazardous waste^*3 / thousand tons	Mitsui Chemicals Group	ー	40.9	40.3	41.6
Waste sent off-site / thousand tons		Mitsui Chemicals Group	152.5	162.2	140.1	143.2
	Hazardous waste^*3 / thousand tons	Mitsui Chemicals Group	ー	32.0	30.3	32.3

Waste Diverted from Disposal (Recycling)

		Scope	2022	2023	2024	2025
Total recycling / thousand tons		Mitsui Chemicals Group	ー	142.9	108.4	107.4
	Hazardous waste^*3 / thousand tons	Mitsui Chemicals Group	ー	18.4	14.8	16.5
Onsite recycling / thousand tons		Mitsui Chemicals Group	28.7	23.8	22.7	24.4
Offsite recycling / thousand tons		Mitsui Chemicals Group	111.3	119.1	85.7	83.0
Recycling rate^*4 / %		Mitsui Chemicals Group	73.0	73.4	61.2	57.9

Waste Directed to Disposal (Incineration, Landfilling)

			Scope	2022	2023	2024	2025
Total Incineration / thousand tons			Mitsui Chemicals Group	ー	217.9	211.6	211.2
	with energy recovery / thousand tons			ー	159.1	156.9	154.5
		Hazardous waste^*3 / thousand tons		ー	15.8	20.3	18.6
	without energy recovery / thousand tons			ー	58.9	54.8	56.7
		Hazardous waste^*3 / thousand tons		ー	6.5	4.9	6.2
Onsite Incineration / thousand tons				32.0	176.3	158.3	153.5
	with energy recovery / thousand tons			ー	129.3	117.2	112.7
	without energy recovery / thousand tons			ー	47.0	41.1	40.8
Offsite Incineration / thousand tons				40.6	41.6	53.3	57.8
	with energy recovery / thousand tons			ー	29.8	39.7	41.8
	without energy recovery / thousand tons			ー	11.8	13.6	15.9
Total landfill / thousand tons				0.6	1.9	1.4	1.1
	Hazardous waste^*3 / thousand tons			ー	0.3	0.3	0.3
Onsite landfill / thousand tons				0.4	0.4	0.3	0.2
Offsite landfill / thousand tons				0.2	1.5	1.1	1.0
Landfill Rate for Industrial Waste^*5 / %				0.3	0.5	0.4	0.4

Substances Subject to the PRTR Act

	Scope	2022	2023	2024	2025
Substances subject to the PRTR Act emissions / tons	Mitsui Chemicals, Inc.	776^*1	812^*1	766^*1	776

Air

	Scope	2022	2023	2024	2025
Volatile organic compound (VOC) emissions / tons	Mitsui Chemicals, Inc.	1,486	1,478	1,427	1,346
	Domestic subsidiaries and affiliates	527	651	667	661
	Overseas subsidiaries and affiliates	41	247	83	46
	Mitsui Chemicals Group	2,054	2,377	2,177	2,052
NOx emissions / tons	Mitsui Chemicals, Inc.	2,266	2,599	2,503	2,275
	Domestic subsidiaries and affiliates	75	95	82	94
	Overseas subsidiaries and affiliates	13	31	37	37
	Mitsui Chemicals Group	2,353	2,725	2,622	2,406
SOx emissions / tons	Mitsui Chemicals, Inc.	471	483	494	612
	Domestic subsidiaries and affiliates	10	17	13	27
	Overseas subsidiaries and affiliates	4	24	18	16
	Mitsui Chemicals Group	485	523	525	656
Soot and dust emissions / tons	Mitsui Chemicals, Inc.	68	46	43	51
	Domestic subsidiaries and affiliates	2	3	1	1
	Overseas subsidiaries and affiliates	36	49	42	38
	Mitsui Chemicals Group	107	98	87	90
Emissions of hazardous air pollutants / tons	Mitsui Chemicals, Inc.	11	12	11	15
Fluorocarbons emissions / tons	Mitsui Chemicals, Inc.	3	3	4	6
	Domestic subsidiaries and affiliates	0	0	0	1
	Overseas subsidiaries and affiliates	1	1	0	0
	Mitsui Chemicals Group	5	4	4	7

Water

Efficient Use of Water

		Scope	2022	2023	2024	2025
Total water withdrawal (Surface water, Groundwater, Seawater, Produced water, Third-party water) / million m³		Mitsui Chemicals, Inc.	479.3	500.8	483.1	439.4
		Domestic subsidiaries and affiliates	14.4	25.2	24.2	24.7
		Overseas subsidiaries and affiliates	1.5	2.0	1.8	1.9
		Mitsui Chemicals Group	495.1	528.0	509.1	465.9
	Surface water / million m³	Mitsui Chemicals, Inc.	0.0	0.0	0.0	0.0
		Domestic subsidiaries and affiliates	1.9	1.9	1.9	1.8
		Overseas subsidiaries and affiliates	0.0	0.0	0.0	0.0
		Mitsui Chemicals Group	1.9	1.9	1.9	1.8
	Groundwater / million m³	Mitsui Chemicals, Inc.	0.6	0.5	0.5	0.3
		Domestic subsidiaries and affiliates	1.2	1.2	0.3	0.4
		Overseas subsidiaries and affiliates	0.0	0.0	0.0	0.0
		Mitsui Chemicals Group	1.8	1.7	0.8	0.7
	Seawater / million m³	Mitsui Chemicals, Inc.	392.2	413.9	399.9	352.1
		Domestic subsidiaries and affiliates	8.4	16.6	16.6	16.6
		Overseas subsidiaries and affiliates	0.0	0.0	0.0	0.0
		Mitsui Chemicals Group	400.6	430.5	416.5	368.6
	Produced water / million m³	Mitsui Chemicals, Inc.	0.0	0.0	0.0	0.0
		Domestic subsidiaries and affiliates	0.0	0.0	0.0	0.0
		Overseas subsidiaries and affiliates	0.0	0.0	0.0	0.0
		Mitsui Chemicals Group	0.0	0.0	0.0	0.0
	Third-party water / million m³	Mitsui Chemicals, Inc.	86.5	86.4	82.7	87.0
		Domestic subsidiaries and affiliates	2.8	5.4	5.4	5.9
		Overseas subsidiaries and affiliates	1.4	2.0	1.8	1.9
		Mitsui Chemicals Group	90.8	93.8	89.9	94.8
Recycled water / million m³		Mitsui Chemicals, Inc.	1,606.5	1,576.6	1,437.9	1,427.0
		Domestic subsidiaries and affiliates	101.6	128.3	113.0	98.9
		Overseas subsidiaries and affiliates	29.7	21.8	6.3	5.9
		Mitsui Chemicals Group	1,737.9	1,726.7	1,557.2	1,531.8
Water recycling ratio / %		Mitsui Chemicals, Inc.	77.0	75.9	74.9	76.5
		Domestic subsidiaries and affiliates	87.6	83.6	82.4	80.0
		Overseas subsidiaries and affiliates	95.3	91.4	77.4	75.8
		Mitsui Chemicals Group	77.8	76.6	75.4	76.7
Discharge water volume / million m³		Mitsui Chemicals, Inc.	448.0	466.7	457.3	410.9
		Domestic subsidiaries and affiliates	14.3	32.9	31.7	24.1
		Overseas subsidiaries and affiliates	0.5	0.6	0.6	0.7
		Mitsui Chemicals Group	462.8	500.2	489.7	435.7
	Discharge freshwater volume / million m³	Mitsui Chemicals Group	62.2	69.7	73.1	67.0
Water consumption / million m³		Mitsui Chemicals, Inc.	31.3	34.6	26.3	29.0
		Domestic subsidiaries and affiliates	0.1	0.4	0.4	0.6
		Overseas subsidiaries and affiliates	1.0	1.4	1.2	1.2
		Mitsui Chemicals Group	32.3	36.5	28.0	30.8
Freshwater consumption in water-stressed areas / million m³		Mitsui Chemicals Group	0.012	0.014	0.015	0.017

Emissions of Water Pollutants

	Scope	2022	2023	2024	2025
COD emissions / tons	Mitsui Chemicals, Inc.	742	787	730	671
	Domestic subsidiaries and affiliates	48	53	70	208
	Overseas subsidiaries and affiliates	149	204	313	195
	Mitsui Chemicals Group	939	1,043	1,112	1,074
Total nitrogen emissions / tons	Mitsui Chemicals, Inc.	891	808	853	664
Total phosphorous emissions / tons	Mitsui Chemicals, Inc.	23	17	15	14

Environmental Accounting

	Scope	2022	2023	2024	2025
Environmental preservation costs (Investment) / billion yen	Mitsui Chemicals, Inc.	2.6	2.3	3.6	3.9
Environmental preservation costs (Expenditure) / billion yen		25.8	29.5	29.3	26.8
Economic impact of environmental initiatives / billion yen		1.5	1.8	1.2	2.0

Visualization of Contributions to the Environment

	Scope	2022	2023	2024	2025
Blue Value™ products sales ratio / %	Mitsui Chemicals Group	22	24	26	30

Others

	Scope	2022	2023	2024	2025
Number of environment-related accidents	Mitsui Chemicals Group	0	0	0	0
Number of violations to environmental laws and regulations	Mitsui Chemicals Group	0	0	0	0
Purchased raw materials / thousand tons	Mitsui Chemicals, Inc.	3,863	4,168	3,279	3,027
	Domestic subsidiaries and affiliates	420	458	337	337
	Overseas subsidiaries and affiliates	997	1,357	1,251	1,239
	Mitsui Chemicals Group	5,281	5,983	4,867	4,602
Purchased materials / thousand tons	Mitsui Chemicals, Inc.	33	33	32	29
	Domestic subsidiaries and affiliates	8	8	7	6
	Overseas subsidiaries and affiliates	302	14	19	17
	Mitsui Chemicals Group	343	55	57	53
Products shipped / thousand tons	Mitsui Chemicals, Inc.	4,118	3,770	2,069	1,642
	Domestic subsidiaries and affiliates	468	495	371	379
	Overseas subsidiaries and affiliates	1,031	1,276	327	569
	Mitsui Chemicals Group	5,616	5,542	2,767	2,590

*1 Revised due to identified errors or a review of the calculation method.

*2 Calculated based on adjusted emissions that exclude temporary factors such as fluctuations in ethylene operating rates.

*3 In Japan, calculated based on the definition of “specially controlled industrial waste” stipulated by Waste Management and Public Cleansing Act; overseas, calculated based on the definition of hazardous waste stipulated by local laws and regulations or the Basel Convention .

*4 Recycling ratio = Offsite recycling/Waste sent off-site

*5 Landfill rate for industrial waste = Landfill/Waste generated