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ESG data collection

Environment

CO₂ emissions [Scope 1 + 2] (global)

(1,000 t-CO₂)
FY2020 FY2021 FY2022 FY2023 FY2024
Scope1+2 Total 71.6 83.2 83.3 87.2 81.0
Breakdown Scope1 Total 16.5 17.7 19.3 19.1 20.2
Japan 11.6 12.0 13.0 13.8 14.1
Overseas 4.9 5.7 6.2 5.2 6.1
Scope2 Total 55.0 65.5 64.0 68.1 60.8
Japan 20.7 21.3 21.8 24.7 21.9
Overseas 34.4 44.2 42.2 43.4 38.9

*From fiscal year 2023, we have calculated greenhouse gas emissions other than CO₂ from energy and recorded them in Scope 1.
*Values from fiscal year 2020 onward have been retrospectively revised in line with the addition of consolidated subsidiary Guangzhou Mitsuike.

Breakdown of greenhouse gases other than CO₂ from energy sources (global)

(t-CO₂)
FY2020 FY2021 FY2022 FY2023 FY2024
Greenhouse gases other than CO2 from energy sources - - - 216 200
Breakdown Carbon dioxide - - - 137 139
Fluorocarbon gas - - - 28 4
CH₄ - - - 7 7
N₂O - - - 44 50
《Reference CO₂ emissions intensity》
Ministry of the Environment "List of calculation methods and emission factors under the calculation, reporting and disclosure system"

CO₂ per Unit of sales[Scope1+Scope2](global)

(t-CO₂/million yen)
FY2020 FY2021 FY2022 FY2023 FY2024
Consolidated sales 0.33 0.36 0.29 0.25 0.22

CO₂ emissions [Scope 3] (global)

(1,000 t-CO₂)
FY2020 FY2021 FY2022 FY2023 FY2024
Scope3 3,307.4 3,394.3 3,382.6 3,895.1 3,928.3
Breakdown Category 1 Purchased goods and services 1,585.3 1,779.6 1,885.0 2,258.2 2,064.3
Category 2 Capital goods 116.2 68.0 59.0 70.8 82.0
Category 3 Fuel-and energy-related activities
(not included in scope 1 or scope 2)		 10.5 12.0 12.2 13.2 13.7
Category 4 Upstream transportation and distribution 109.9 82.6 90.2 77.9 91.5
Category 5 Waste generated in operations 1.9 2.3 1.8 2.1 1.9
Category 6 Business travel 0.8 0.8 0.8 0.9 0.9
Category 7 Employee commuting 5.5 5.8 5.7 5.8 5.9
Category 8 Upstream leased assets Excluded from calculation (Recorded under Scope 1 and 2)
Category 9 Downstream transportation and distribution Excluded from calculation (Reasonable calculation is not possible)
Category10 Processing of sold products Excluded from calculation (Reasonable calculation is not possible)
Category11 Use of sold products 1,425.4* 1,412.9* 1,295.4* 1,431.8* 1,663.1*
Category12 End-of-life treatment of sold products 14.2 14.0 14.0 16.1 18.9
Category13 Downstream leased assets Excluded from calculation (There is no external leasing of assets)
Category14 Franchises Excluded from calculation (There is no franchising)
Category15 Investment 37.7 16.4 18.5 18.2 16.0

*Values for fiscal year 2021 have been revised in line with the addition of overseas bases.
*Calculation only of internal products (products designed internally).

Supply chain emissions (global)

(1,000t-CO₂)
FY2020 FY2021 FY2022 FY2023 FY2024
Total(Scope1+Scope2+Scope3) 3,378.9 3,477.6 3,465.9 3,982.3 4,009.3
Breakdown Scope1 16.5 17.7 19.3 19.1 20.2
Scope2 55.0 62.5 64.0 68.1 60.8
Scope3 3,307.4 3,394.3 3,382.6 3,895.1 3,928.3

《Reference CO2 emissions intensity》
Scope1:Ministry of the Environment, “List of Calculation Methods and Emission Factors for Calculation, Reporting, and Publication Systems”.
Scope2:Domestic: Ministry of the Environment, “Emission Factor by Electric Utility Operator” Overseas: Factors published by local governments, IGES List, etc.
Scope3:IDEA v2.3 and Ministry of the Environment “Emissions Intensity Database”.


Energy consumption (global)

(TJ)
FY2020 FY2021 FY2022 FY2023 FY2024
Energy consumption Total 686 773 803 840 870
Japan 356 358 387 426 427
Overseas 329 415 416 414 443

Electricity consumption (global)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Electricity consumption Total MWh - 132,459 133,485 147,511 150,817
Renewable energy ratio % - 0.0 0.2 2.8 9.2
Non-renewable energy MWh - 132,459 133,226 143,329 136,904
Renewable energy (Private power generation) MWh - 0 113 2,468 5,523
Renewable energy (PPA) MWh - 0 146 1,547 4,337
Renewable energy electricity switchover MWh - 0 0 97 3,805
Non-fossil certificates MWh - 0 0 70 249

Raw materials consumption (global)

(ton)
FY2020 FY2021 FY2022 FY2023 FY2024
Raw materials consumption Total - 524,068 671,688 732,131 760,937
Steel - 515,053 665,408 715,921 750,107
Aluminum - 9,015 6,280 16,210 10,831

Amount of waste discharged (global)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Amount of waste discharged
(non-hazardous waste)		 Total ton 2,938 3,355 2,644 3,264 3,119
Recycled*1 ton 1,303 1,086 971 1,336 1,109
Non-recycled ton 1,635 2,269 1,673 1,928 2,010
Recycling ratio % 44.3 32.4 36.7 40.9 35.5
Japan ton 1,457 1,357 1,258 1,540 1,377
Overseas ton 1,480 1,998 1,386 1,724 1,741

*The figures for fiscal year 2019 to fiscal year 2023 exclude valuables.
*1 Including thermal recycling.


Other environmental impact from production activities (global)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Water withdrawal (global) Total m³ 185,803 173,780 185,085 189,266 192,886
Japan m³ 58,741 51,484 62,878 70,533 70,454
Overseas m³ 127,062 122,296 122,207 118,733 122,432
BOD discharge in water areas
*1		 Total ton - - - 0.2 0.9
COD discharge in water areas
*1		 Total ton - - - 3.6 4.4
NOx (nitrogen oxide) emissions
*2		 Total ton - 2.6 2.9 3.0 3.1
SOx (sulfur oxide) emissions
*2		 Total ton - 1.6 1.8 1.8 1.9
VOC atmospheric emissions Total ton - - - 4.5 4.5
Quantity of substances subject to PRTR handled Japan ton 29 27 26 24 28

*1 Total of bases that require measurement (from fiscal year 2023)
*2 Subject: Fixed facilities
《Reference CO₂ emissions intensity》 National Institute for Environmental Studies “Fixed Source NOx, SOx, PM Emissions Factor Database”

Environmental fines (global)

(1,000 yen)
FY2020 FY2021 FY2022 FY2023 FY2024
Environmental fines and penalties Total - - - 0 1,354
Japan - - - 0 0
Overseas - - - 0 1,354

Human resources

Employee data (global)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Consolidated employees Total People 6,098 5,959 6,402 6,834 6,938
Female People - - - 676※ 740※
Female ratio % - - - 9.9※ 10.7※
Breakdown Employees in Japan Total People 2,763 2,691 2,795 2,714 2,780
Male People - - - 2,497 2,544
Female People - - - 217 236
Female ratio % - - - 8.0 8.5
Employees overseas Total People 3,335 3,268 3,607 4,120 4,158
Female People - - - 459※ 504※
Female ration % - - - 25.0※ 26.4※
Management positions Number of management positions Total People - - - 489 473
Male People - - - 452 435
Female People - - - 37※ 38※
Ratio of female managers % - - - 9.0※ 9.9※

※Added the breakdown between men and women and the proportion of women from fiscal year 2023.
(Excludes U.S. bases because gender is not grasped from the perspective of gender equality)

左右にスワイプ可能です

Employee data (domestic group)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Full-time employee The number of People Total People 2,763 2,691 2,795 2,714 2,714
Male People - - - 2,497 2,544
Female People - - - 217 236
Quasi employees,
contract employees, etc.		 The number of People People - - - 471 419
Employees who resigned for personal reasons Number of employees who resigned People - - - 210 174
New graduate Number of hires People - - - 68 82
Management positions Number of management positions Total People - - - 344 318
male People - - - 341 315
Female People - - - 3 3
Ratio of female mangers % - - - 0.9 0.9
Employment of
people with disabilities		 Number of people hired People - - - 51 60
Use of
the rehiring system		 Retirees People - - - 43 67
Number of users of
the system		 People - - - 39 67
Childcare leave Number of people
taking leave		 People - - - 29 35

Number of employees (non-consolidated)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Full-time employee Number of People Total People 1,597 1,563 1,508 1,504 1,544
Male People 1,497 1,461 1,406 1,399 1,429
Female People 100 102 102 105 115
Years of
service		 Overall Year 14.5 14.9 15.5 15.6 15.1
Male Year 14.9 15.3 15.9 15.9 15.4
Female Year 9.1 9.6 10.5 11.0 10.7
Average age Overall Age 38.0 38.6 39.1 39.5 39.3
Male Age 38.3 39.0 39.3 39.6 39.5
Female Age 34.3 35.2 36.5 37.4 36.9
Quasi employees,
contract employees		 Number
of People		 Total People 166 175 188 245 280
Employees who
resigned for personal reasons		 Number of employees who
resigned for personal reasons		 People 93 114 106 62 52
Turnover rate
for personal reasons		 % 5.8 7.3 7.0 4.1 3.4
New graduate hires Number of hires Total People 79 41 37 32 57
Male People 72 35 31 28 47
Female People 7 6 6 4 10
Female ratio ％ 8.9 14.6 16.2 12.5 17.5
Mid-career hires Mid-career ratio ％ 20.2 35.9 40.3 66.3 55.5
Management positions Number of
management positions		 Total People 180 194 183 196 188
Male People 178 192 181 193 185
Female People 2 2 2 3 3
Ratio of female managers ％ 1.1 1.0 1.1 1.5 1.6
Number of mid-career hires People 42 56 54 63 63
Number of non-Japanese People 2 1 1 1 1
Employment of
people with disabilities		 Number of
people hired		 People 39 38 38 44 53
Employment ratio ％ 2.1 2.0 2.1 2.4 2.8
Use of
the rehiring system		 Retirees People 11 29 27 26 38
Number of
users of the system		 People 10 23 25 22 26
Rate of
use of the system		 ％ 90.9 79.3 92.6 84.6 68.4
Rate of taking of paid leave ％ 53.6 61.3 61.7 64.5 59.8
Childcare leave Number of
people taking leave		 Total People 10 15 13 20 22
Male People 3 8 9 18 18
Female People 7 7 4 2 4
Rate of
taking leave		 Male % - - 20 41.9 47.4
Female % 100 100 80 100 100
Rate of return % 100 100 100 100 100
Annual hours worked per regular employee Hours/Year 2,098 2,098 2,099 2,176 2,184
Training Training expenses 1 million yen 15.7 17.7 17.0 18.4 21.9
Training expenses per
employee		 Yen/People 9,831 11,324 11,273 12,231 14,184
Training time Hours/Year - - - 9,663 27,321
Training time per
employee		 Hours/People - - - 6 18
Labor union membership as a percentage of all
employees		 % 90.4 89.8 88.8 91.5 91.0
Total number of discriminatory incidents
during the reporting period		 Cases - - 0 0 0

Male-female wage differences

(%)
FY2020 FY2021 FY2022 FY2023 FY2024
Topre All workers - - 64.3 65.0 66.7
Full-time employees - - 76.8 77.9 77.2
Contract employees, etc - - 46.5 40.0 45.7
Topre Kyushu All workers - - 69.6 52.5 55.7
Full-time employees - - 76.6 79.7 85.3
Contract employees, etc - - 74.7 11.4 2.4
Topre Tokai All workers - - 73.5 77.8 65.4
Full-time employees - - 74.7 77.9 61.6
Contract employees, etc - - 62.8 43.5 67.1

Safety and health

Occupational accidents (domestic group)

(cases)
CY2020 CY2021 CY2022 CY2023 CY2024
Number of accidents resulting in death Cases 0 0 0 0 0
Occupational
accident		 Number of incidents Cases 24 27 22 22 22
Accidents
accompanied by
lost worktime		 Cases 1 8 9 6 7
Accidents
not accompanied by
lost worktime		 Cases 8 19 13 16 15
Lost worktime
accident rate		 - 0.14 1.14 1.35 0.82 0.90
Occupational
accident rate		 - 3.43 3.84 3.31 3.02 2.83
Accident severity rate - 0.02 0.05 0.06 0.02 0.05
Number of commuting accidents Cases 20 17 20 17 27

* he value for each year is the number of occurrences from January 1 to December 31
* The number of occurrences was partially corrected.
(Addition of non-manufacturing divisions, correction of counting errors)

Accidents accompanied by lost worktime (non-consolidated)

CY2020 CY2021 CY2022 CY2023 CY2024
Number of accidents accompanied by lost worktime *3 Severe accidents *2 Cases 0 0 0 0 0
Accidents accompanied by lost worktime Cases 1 5 4 4 2
Lost worktime accident rate
*3 *4		 Topre (target) *5 - 0.00 0.00 0.00 0.00 0.00
Topre (actual) - 0.24 1.24 1.11 1.04 0.48
All Industries *6 - 1.95 2.09 2.06 2.14 2.10
Manufacturing Industries *6 - 1.21 1.31 1.25 1.29 1.30
Metal products manufacturing industry *6 - 1.28 1.20 1.32 1.38 1.23

*The value for each year is the number of occurrences from January 1 to December 31
*2 Serious accidents: Work-related accidents involving death, physical disabilities, three or more injuries, explosions, fires, ruptures, collapses, or large-scale leakage of hazardous materials.
*3 Includes temporary and dispatch employees
*4 Accidents accompanied by lost worktime frequency rate = Number of persons affected by accidents accompanied by lost worktime owing to work-related accidents ÷ total actual work hours × 1 million hours
*5 The target for the accidents accompanied by lost worktime frequency rate has been 0.00 since fiscal year 2024
*6 Source: Cited from the Ministry of Health, Labour and Welfare’s “Survey on Industrial Accidents (calendar year)”

Safety and health education (domestic group)

Unit CY2020 CY2021 CY2022 CY2023 CY2024
Number of people
taking safety and
health education		 Internal education People 255 200 274 358 1,671
External education People 5 52 53 35 137

Social contribution activities (global)

(1,000 yen)
FY2020 FY2021 FY2022 FY2023 FY2024
Social contribution activity expenses Total 12,109 14,166 10,817* 14,021 19,562
Japan 2,555 4,865 3,500* 6,960 4,930
Overseas 9,554 9,301 7,317 7,061 14,632

*Domestic expenses for fiscal year 2022 have been revised.

Compliance (domestic group)

FY2020 FY2021 FY2022 FY2023 FY2024
Number of cases of disciplinary treatment or firing related to corruption Cases 0 0 0 0 0
Number of people subject to disciplinary
treatment or firing related to corruption		 People 0 0 0 0 0
Fine and settlemaent expenses related to
corruption		 1 million yen 0 0 0 0 0
Political donations 1 million yen 0 0 0 0 0

Intellectual property activities (global)

(cases)
FY2020 FY2021 FY2022 FY2023 FY2024
Numbers of patent, utility
model and design applications, and rights held		 Numbers of
application 		Japan 11 8 8 6 2
Overseas 15 8 4 14 3
Number held Japan 116 123 113 104 107
Overseas 101 113 119 114 117


Last updated：October 22, 2025

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