ESG Aggregate Data

Environment

Material Flow

Material Flow of Business Activities (FY2025)

Material Flow of Business Activities (FY2025)
  • Items listed below without additional notes represent combined domestic and overseas values.
  • *Nippon Kayaku alone

Amounts of Raw Materials Used

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Indicators Scope Unit 2021 2022 2023 2024 2025
Principal raw materials non-consolidated tons 47,583 44,211 40,707 42,073 40,309
Auxiliary materials non-consolidated tons 18,529 17,026 12,512 16,189 14,002
Plastic packaging materials non-consolidated tons 266 389 180 299 240
Cardboard packaging materials non-consolidated tons 529 480 395 432 414
Other packaging materials non-consolidated tons 489 470 434 413 441
Total non-consolidated tons 67,396 62,576 54,227 59,405 55,406
  • *Products not included (goods stocked at plants)

Energy Input Amounts

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Indicators Scope Unit 2021 2022 2023 2024 2025
Amount of energy input (heat quantity equivalent) consolidated GJ - - 2,062,745 2,236,017 2,175,280
Renewable energy consolidated GJ - - 29,060 37,035 232,629
Non-renewable energy sources consolidated GJ - - 2,033,685 2,198,982 1,942,651
  • *When converting electricity amounts into heat amounts for fuel, heat and electricity consumed in domestic and overseas business activities, electricity purchased from electricity companies is converted at 1MWh to 8.64GJ, while renewable energy such as solar power is converted at 1MWh to 3.6GJ.

GHG Emissions

Scope1・Scope2(consolidated)

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Indicators Scope Unit 2021 2022 2023 2024 2025
Energy-derived CO2 consolidated t-CO2e 108,410 103,811 99,124 107,248 86,662
Non-energy-derived CO2 consolidated t-CO2e 3,230 2,745 2,463 2,023 1,111
N2O consolidated t-CO2e 112 169 339 449 390
CH4 consolidated t-CO2e 29 30 34 34 34
HFCs consolidated t-CO2e 7 138 113 19 151
Other CFCs consolidated t-CO2e 794 1,409 632 1,330 1,709
PFCs consolidated t-CO2e 0 0 0 0 0
SF6 consolidated t-CO2e 0 0 0 0 0
NF3 consolidated t-CO2e 0 0 0 0 0
Total*1 consolidated t-CO2e 112,584 108,301 102,705 111,102 90,057
Scope1 consolidated t-CO2e 37,819 35,581 30,158 32,521 29,367
Scope2 (Market base) consolidated t-CO2e 74,765 72,720 72,546 78,581 60,690
Emission volume per unit of sales*2 consolidated 0.61 0.55 0.51 0.5 0.37
  • *1As figures have been rounded off, the totals in some columns do not exactly match the sum of each item above.
  • *2Emissions amounts (t-CO2e) / consolidated sales figures (JPY million)

Scope1・Scope2(non-consolidated)

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Indicators Scope Unit 2021 2022 2023 2024 2025
Energy-derived CO2 non-consolidated t-CO2e 63,168 62,267 57,748 63,228 52,406
Non-energy-derived CO2 non-consolidated t-CO2e 3,189 2,719 2,406 1,984 1,085
N2O non-consolidated t-CO2e 112 169 339 449 390
CH4 non-consolidated t-CO2e 29 30 34 34 34
HFCs non-consolidated t-CO2e 3 110 49 0 63
Other CFCs non-consolidated t-CO2e 336 622 70 70 15
PFCs non-consolidated t-CO2e 0 0 0 0 0
SF6 non-consolidated t-CO2e 0 0 0 0 0
NF3 non-consolidated t-CO2e 0 0 0 0 0
Total*1 non-consolidated t-CO2e 66,839 65,916 60,647 65,765 53,993
  • *1As figures have been rounded off, the totals in some columns do not exactly match the sum of each item above.

Scope3

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Category Scope Unit 2021 2022 2023 2024 2025
1 Purchased goods and services consolidated t-CO2e 294,500 275,000 241,800 259,600 228,100
2 Capital goods consolidated t-CO2e 26,800 29,600 33,400 55,900 45,800
3 Fuel- and energy-related activities (Not included in Scope 1 or Scope 2) consolidated t-CO2e 22,300 21,000 20,500 22,700 23,900
4 Upstream transportation and distribution consolidated t-CO2e 22,300 19,700 16,600 18,000 16,700
5 Waste generated in operations consolidated t-CO2e 31,800 16,200 10,800 14,700 14,200
6 Business travel consolidated t-CO2e 800 800 800 800 800
7 Employee commuting consolidated t-CO2e 2,400 2,400 2,400 2,500 2,600
8 Upstream leased assets consolidated t-CO2e Included in Scope 1, 2, therefore not separately calculated
9 Downstream transportation and distribution consolidated t-CO2e 1,600 1,500 1,200 1,400 1,200
10/11 Processing of sold goods and Use of sold goods consolidated t-CO2e - - - - -
12 End-of-life treatment of sold products consolidated t-CO2e 26,400 23,000 17,600 17,300 17,600
13 Downstream leased assets consolidated t-CO2e 400 400 400 400 400
14/15 Franchise and Investments consolidated t-CO2e - - - - -
Total*1 consolidated t-CO2e 429,300 389,600 345,000 393,300 351,300
  • *1As figures have been rounded off, the totals in some columns do not exactly match the sum of each item above.
  • Calculation Method: As a general rule, CO2 emission amounts are calculated with reference to emission factors published in the “Basic Guidelines for Supply Chain Greenhouse Gas Emission Calculations” provided by ministries of Environment and Economy, Trade and Industry, as well as by the IDEA Lab Safety Science Research Section of the National Institute of Advanced Industrial Science and Technology.

Energy Consumed

Energy Consumed (Crude oil equivalent)

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Indicators Scope Unit 2021 2022 2023 2024 2025
Production, R&D and office departments non-consolidated 1,000kL 40,325 38,583 32,634 35,646 34,285

Energy Consumed

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Indicators Scope Unit 2021 2022 2023 2024 2025
Non-renewable fuels purchased and consumed (A)
(Nuclear energy, coal, oil, natural gas etc.)
non-consolidated MWh 165,494 153,390 137,447 149,994 212,850
Non-renewable electricity purchased (B) non-consolidated MWh 98,505 95,837 85,946 93,436 52,627
Non-renewable energy purchased (steam, heat, cooling, and others) (C) non-consolidated MWh 3,433 4,073 5,685 5,340 5,451
Renewable energy purchased and created (D)
(Wind power, solar power, biomass, hydro-power, geothermal energy etc.)
non-consolidated MWh 57 162 2,028 3,163 5,662
Non-renewable energy sold (E)
(electricity, thermal, cooling)
non-consolidated MWh 0 0 0 413 329
Total non-renewable energy used
(A+B+C-E)*
non-consolidated MWh 267,432 253,300 229,078 248,770 270,928
  • *As figures have been rounded off, the totals in some columns do not exactly match the sum of each item above.

Industrial waste and Pollutants

Waste

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Indicators Scope Unit 2021 2022 2023 2024 2025
Non-hazardous waste non-consolidated tons 22,069 21,154 16,146 22,387 18,717
Group companies tons 1,199 1,242 1,087 1,271 1,202
Total tons 23,268 22,396 17,233 23,658 19,919
General waste non-consolidated tons 673 648 464 410 249
Group companies tons 449 559 513 571 819
Total tons 1,122 1,207 977 981 1,068
Industrial waste non-consolidated tons 21,396 20,506 15,682 21,977 18,648
Group companies tons 750 682 574 700 383
Total tons 22,146 21,188 16,256 22,677 18,851
Hazardous waste non-consolidated tons 6,503 6,467 4,828 5,838 5,297
Group companies tons 86 71 59 80 65
Total tons 6,589 6,538 4,887 5,918 5,362
Source-specific hazardous industrial waste non-consolidated tons 146 182 182 355 394
Group companies tons 0 0 0 0 0
Total tons 146 182 182 355 394
Total*1 tons 29,857 28,934 22,119 29,576 25,281
Types of waste Sludge non-consolidated tons 2,309 2,338 2,291 2,100 1,877
Group companies tons 336 258 115 286 75
Total tons 2,645 2,596 2,406 2,386 1,952
Waste oil non-consolidated tons 6,386 5,848 4,809 4,563 4,254
Group companies tons 87 71 59 72 65
Total tons 6,473 5,919 4,868 4,635 4,319
Spent acid non-consolidated tons 2,185 1,523 1,116 1,321 1,493
Group companies tons 2 8 13 18 25
Total tons 2,187 1,531 1,129 1,339 1,518
Waste alkali non-consolidated tons 15,784 16,064 11,219 17,717 14,915
Group companies tons 11 11 8 9 4
Total tons 15,795 16,075 11,227 17,726 14,919
Plastic waste non-consolidated tons 888 885 788 780 700
Group companies tons 277 326 326 294 319
Total tons 1,165 1,211 1,114 1,074 1,019
Others non-consolidated tons 1,021 962 751 1,744 775
Group companies tons 572 640 624 672 779
Total tons 1,593 1,602 1,375 2,416 1,554
Landfill amount non-consolidated tons 298 233 144 170 83
Recycling rates*2 non-consolidated % 82 87 84 87 85
Zero-emissions rates non-consolidated % 1 0.8 0.7 0.6 0.4
  • *1As figures have been rounded off, the totals in some columns do not exactly match the sum of each item above.
  • *2Includes recovered and reused solvent

PRTR substances

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Indicators Scope Unit 2021 2022 2023 2024*2 2025
PRTR substance emission amounts Air non-consolidated tons 25.2 38.7 32.9 27.2 18.5
Water regions non-consolidated tons 14.7 51.4 75 1.6 1.76
Soil non-consolidated tons 0 0 0 0 0
Total*1 non-consolidated tons 39.9 90.1 107.9 28.8 20.3
  • *1As figures have been rounded off, the totals in some columns do not exactly match the sum of each item above.
  • *2Since FY2024, only PRTR substances have been published(FY2023 revisions to the law saw changes to the list of substances, with Japan Chemical Industry Association Survey substances excluded)

Air Emissions

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Indicators Scope Unit 2021 2022 2023 2024 2025
Volatile Organic Compounds (VOC*1) non-consolidated tons 52.1 38.7 32.9 57.3 45.3
Dichloromethane non-consolidated tons 3.6 3.2 2.7 4.9 2.6
Formaldehyde non-consolidated tons 0.15 0.13 0.13 0.04 0.05
NOx*2 non-consolidated tons 7.7 8.3 6.7 3.9 5.5
Group companies tons - - - 0.4 0.4
Total tons - - - 4.3 6.0
SOx*3 non-consolidated tons 0.7 0.9 0.8 0.42 1.22
Group companies tons - - - 0.01 0.01
Total tons - - - 0.43 1.23
Particulate matter*4 non-consolidated tons 0.5 0.4 0.2 0.3 0.1
Group companies tons - - - 6.4 10
Total tons - - - 6.7 10.5
  • *1VOC among PRTR and JCIA-designated substances
  • *2NOx (Nitrogen Oxides: Produced when a substance combusts and reacts with nitrogen in the atmosphere, or when fuels or substances containing nitrogen compounds, such as coal, combust.) They not only cause air pollution such as photochemical smog and acid rain, but have detrimental effects on human respiratory organs.
  • *3SOx (Sulfur oxides): Produced through the combustion of fossil fuels with sulfur content. Their reactions with moisture in the atmosphere produce sulfuric acid and sulfurous acid, making them a cause of both air pollution and acid rain.
  • *4Particulate Matter: The solid particles (soot) of the soot and smoke produced by fossil fuel combustion are a cause of air pollution and also pneumoconiosis in people who inhale them in high concentrations.

Wastewater Management

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Indicators Scope Unit 2021 2022 2023 2024 2025
COD consolidated tons 223.6 243 274 261 207
Total phosphorus consolidated tons 11.2 7.1 18.5 1.69 5.0
Total nitrogen consolidated tons 73.5 114 68.5 89.4 80.8
SS* consolidated tons 49.9 49.2 44.6 54.7 47.2
  • *SS - Suspended solids: Refers to particulate matter of 2mm diameter or less either floating or suspended in water, including fine particles from minerals, plant and animal plankton or the carcasses of such, sewage, organic matter and metal sediments originating from plant wastewater. If present in large amounts, suspended solids can negatively affect water transparency and appearance, and – through impeding light-ray penetration – underwater photosynthesis as well

Water

Use of Water Resources (Consolidated)

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Indicators Scope Unit 2021 2022 2023 2024 2025
Amount of water taken Waterworks consolidated thousand m3 805 755 566 1,022 973
Surface water (industrial water) consolidated thousand m3 8,098 7,952 7,863 8,425 7,825
Groundwater (well water) consolidated thousand m3 1,946 1,836 1,847 1,593 1,423
Others (reservoirs, rainwater storage) consolidated thousand m3 343 265 205 120 85
Total*1 consolidated thousand m3 11,192 10,808 10,481 11,160 10,307
From water-stressed regions*2 consolidated thousand m3 33 29 28 103 -
Amount of water discharged*3 Sea areas consolidated thousand m3 7,142 6,726 6,966 7,905 2,063
Rivers consolidated thousand m3 2,410 2,351 2,443 2,195 7,432
Sewers consolidated thousand m3 987 910 1,045 1,287 1,095
Total*1 consolidated thousand m3 10,539 9,987 10,454 11,386 10,590
Amount of water recycled consolidated thousand m3 0 0 0 0 0
Recycling rates consolidated % 0 0 0 0 0
  • *1As figures have been rounded off, the totals in some columns do not exactly match the sum of each item above.
  • *2Using the Aqueduct Water Risk Atlas, sites with a water stress rating of 4 or higher on a five-level scale are classified as being located in water-stressed areas. The classification criteria for water stress were revised starting in FY2024.
  • *3*Water of equal or higher quality is returned to the intake source

Water Resource Use (non-consolidated)

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Indicators Scope Unit 2021 2022 2023 2024 2025
Amount of water taken Waterworks non-consolidated thousand m3 381 377 320 499 492
Surface water (industrial water) non-consolidated thousand m3 8,098 7,953 7,863 8,425 7,825
Groundwater (well water) non-consolidated thousand m3 1,848 1,769 1,804 1,554 1,391
Others (reservoirs, rainwater storage) non-consolidated thousand m3 0 17 28 30 20
Total*1 non-consolidated thousand m3 10,327 10,116 10,015 10,508 9,728
From water-stressed regions*2 non-consolidated thousand m3 0 0 0 0 0
Amount of water discharged*3 Sea areas non-consolidated thousand m3 7,142 6,726 6,966 7,905 2,061
Rivers non-consolidated thousand m3 2,408 2,350 2,441 2,192 7,432
Sewers non-consolidated thousand m3 460 531 679 710 594
Total*1 non-consolidated thousand m3 10,011 9,607 10,086 10,807 10,087
Amount of water recycled non-consolidated thousand m3 0 0 0 0 0
Recycling rates non-consolidated % 0 0 0 0 0
  • *1As figures have been rounded off, the totals in some columns do not exactly match the sum of each item above.
  • *2Using the Aqueduct Water Risk Atlas of water-stress levels, we have confirmed that all our business bases are located in areas of Level 3 water stress or below. Water-stress categories have changed from FY2024.
  • *3Water of equal or higher quality is returned to the intake source

Water-stress Investigation Results for Nippon Kayaku Group Manufacturing and R&D sites (FY2025)*1

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Region / Country Name Unit Water amounts used at each water stress
High Medium-high Medium Low-medium Low
Asia Japan thousand m3 (Number of sites) 0 1,451(2) 20(3) 8,257(5) 0
China thousand m3 (Number of sites) 20(1) 436(3) 0 0 0
Malaysia thousand m3 (Number of sites) 0 0 0 0 24(1)
Europe Czech Republic thousand m3 (Number of sites) 0 20(1) 0 0 0
Netherlands thousand m3 (Number of sites) 0 0 0 0 3(1)
United Kingdom thousand m3 (Number of sites) 1(1) 0 0 0 0
North and Central America United States thousand m3 (Number of sites) 65(1) 0 0 2(1) 0
Mexico thousand m3 (Number of sites) 8(1) 0 0 0 0
Total*2 thousand m3 (Number of sites) 94(4) 1,907(6) 20(3) 8,259(6) 27(2)
  • *1We are currently using the Aqueduct Water Risk Atlas to investigate these points.
  • *2As figures have been rounded off, the totals in some columns do not eaxctly match the sum of each item above.

Environmental Accounting

Environmental Conservation Costs

Breakdown Scope Unit 2021 2022 2023 2024 2025
Invested amount Costs Invested amount Costs Invested amount Costs Invested amount Costs Invested amount Costs
Inside business areas Environmental pollution prevention Air pollution prevention non-consolidated JPY million 37.1 124.2 68.1 141.9 40.5 103.4 210.4 93.1 215 76.7
Water pollution prevention non-consolidated JPY million 266.9 178.9 206.7 186 0 186.3 90.2 165 119 130
Underseepage prevention non-consolidated JPY million 4.9 5.6 7.2 5.1 5 8.3 3 9.2 6 9.7
Prevention of noise pollution and vibrations non-consolidated JPY million 6 0 6 0 16.1 0.1 0 0.1 0 0
Others non-consolidated JPY million - 394.7 - 7 - 6.4 0 6.2 0 6.2
Global environmental conservation non-consolidated JPY million 244.6 92.3 236.6 63.5 425.6 87.7 320.7 123.8 282.7 111.7
Resource recycling non-consolidated JPY million 111.2 772.2 5.1 805.9 2.9 578.6 0 789.1 0 708.6
Upstream and downstream Commissioning of container and package recycling non-consolidated JPY million - 0.3 - 0.3 - 0.4 - 0.3 - 0
Sewage treatment expenses non-consolidated JPY million - 75.2 - 66.9 - 80 - 83.4 - 79.5
Management activities System preparation and operation non-consolidated JPY million - 174.9 - 93.3 - 85.9 - 60.9 - 135.9
Environmental burden monitoring non-consolidated JPY million - 38.3 - 38.4 - 39.9 - 31 - 40.6
Information disclosure non-consolidated JPY million - 6.3 - 6.3 - 6.3 - 6.3 - 0.1
Education, training and others non-consolidated JPY million - 59.3 - 59.6 - 60.2 - 3.1 - 3.1
Greening up (tree planting, etc.) non-consolidated JPY million 0.5 43.9 0 70 0 59.4 1 74.8 3 82.3
R&D non-consolidated JPY million - 39.2 - 158.3 - 85.5 - 147.4 - 186.8
Community activities non-consolidated JPY million - 9 - 9.8 - 9.8 - 10.1 - 6.08
Environmental damage non-consolidated JPY million - 0 - 0 - 0 - 0 - 12.9
Total* non-consolidated JPY million 670.8 2,014.5 529.7 2,054 490.2 1,751.4 624.3 1,604 625 1,590
  • *As figures have been rounded off, the totals in some columns do not exactly match the sum of each item above.

Economic Benefits of Environmental Protection Measures

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Items for which we seek to derive benefits Main economic benefit details Scope Unit 2021 2022 2023 2024 2025
Inside business area benefits Environmental pollution prevention benefits Air pollution prevention non-consolidated JPY million 0 0 0 0 0
Water pollution prevention non-consolidated JPY million 0 3.5 0 0 0
Reduction of contamination load charges non-consolidated JPY million 0.6 0.4 0.3 0.1 0.2
Prevention of noise pollution and vibrations non-consolidated JPY million 0 0 0 0 0
Climate change mitigation measures Climate change mitigation measures non-consolidated JPY million 80.4 97.4 109.3 107.7 89.7
Waste and recycling Waste reduction non-consolidated JPY million 4.1 2.6 2.2 1.1 1.9
Outside sales of renewable resources non-consolidated JPY million 17.3 25.9 38.2 8.8 34.4
Others non-consolidated JPY million 7 40.9 49.7 87.8 71
Upstream and downstream benefits Container recycling non-consolidated JPY million 54.2 38.3 38.8 46.8 6.2
Others non-consolidated JPY million 0 0 0 0 0
Total* non-consolidated JPY million 167.1 205.5 238.5 252.3 203.4
  • *As figures have been rounded off, the totals in some columns do not exactly match the sum of each item above.

Environmental Capital Investment

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Breakdown Scope Unit 2021 2022 2023 2024 2025
Air pollution prevention equipment non-consolidated JPY million 37.1 68.1 40.5 210.4 215
Water pollution prevention equipment non-consolidated JPY million 266.9 206.7 304.5 90.2 119
Underseepage prevention equipment non-consolidated JPY million 4.9 7.2 5 3 6
Equipment to prevent noise pollution and vibrations non-consolidated JPY million 6 6 16.1 0 0
Industrial waste processing equipment non-consolidated JPY million 111.2 5.1 2.9 0 0
Greening up plants (through tree-planting, etc.) non-consolidated JPY million 0.5 3.3 0 1 3
Energy saving; Global warming prevention non-consolidated JPY million 244.6 236.6 425.6 320.7 283
Total* non-consolidated JPY million 671.3 533 794.7 625.3 625
  • *As figures have been rounded off, the totals in some columns do not exactly match the sum of each item above.

Safety and Health Capital Investment

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Breakdown Scope Unit 2021 2022 2023 2024 2025
Measures against equipment deterioration non-consolidated JPY million 490.9 245 454.9 750.6 987.2
Safety and work environment measures non-consolidated JPY million 171.4 86.6 281.6 108.5 -
Measures against fires caused by explosion and leaks non-consolidated JPY million 14.1 60.6 54.4 16.8 6
Measures regarding natural disasters such as earthquakes non-consolidated JPY million 4.4 6.5 65.2 282.2 13
Others non-consolidated JPY million 6.4 32 0 0 258
Total* non-consolidated JPY million 687.1 430.7 856.1 1158.1 1,264
  • *As figures have been rounded off, the totals in some columns do not exactly match the sum of each item above.

ISO Certification Status

ISO14001 Certification

Area Certification secured Certifying Institution Certification Number
Safety Systems Group March 1999 JIA-QA JE0054I
Aero Business Development Division
Joetsu Plant August 2002 SGS JP15/071413
Fukuyama Plant April 1999 JCQA JCQA-E-0062
Asa Plant September 1998 JCQA JCQA-E-0987
Tokyo Plant December 1998 JCQA JCQA-E-0036
Takasaki Plant January 2000 JCQA JCQA-E-0101
Kashima Plant March 1999 JCQA JCQA-E-0046
Kayaku Safety Systems Europe December 2002 DNV 250302-2017-AE-CZS-RvA
Kayaku Safety Systems (Huzhou) June 2016 SNQA 42144
Kayaku Safety Systems de Mexico June 2023 LRQA 00041092
Kayaku Safety Systems Malaysia April 2017 SGS MY17/02395
WUXI POLATECHNO OPTICS April 2006 UCC 02420E31011518R2M
KAYAKU CHEMICAL (WUXI) August 2006 UCC 02421E32060755R0M
WUXI ADVANCED KAYAKU CHEMICALS July 2007 CQC 00124E33036R5M/3200
Cover rate* 70%
  • *The proportion of production facilities with ISO14001 certification owned by either Nippon Kayaku or its consolidated subsidiaries.
  • *The Nippon Kayaku Co., Ltd. Cover Rate (the proportion of production facilities with ISO14001 certification) stands at 100%

Violations and accidents

Cases of Environmentally-related Violations and Accidents

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Indicators Scope Unit 2021 2022 2023 2024 2025
Number of violations of environmental laws and regulations consolidated cases 0 0 0 0 0
Among the above, number of water-resource-related legal violations
(water quality, water quantity etc.)
0 0 0 0 0
Total number of environmental accidents consolidated cases 0 0 0 0 3
Number of major environmental accidents consolidated cases 0 0 0 0 0
Violations of laws and regulations; fines issued for environmental accidents; punishment costs consolidated yen 0 0 0 0 0

Industrial Waste Treatment Facility Operation and Maintenance Status

Social

Employee Situation

Employee Composition

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Indicators Category Scope Unit 2021 2022 2023 2024 2025
Regular employees Male consolidated persons - 3,883 3,991 3,992 3,998
Female consolidated persons - 1,797 1,832 1,850 1,800
Neither / Don't know consolidated persons - - 2 0 2
Total consolidated persons - 5,680 5,825 5,842 5,800
Female rate consolidated % - 31.6 31.5 31.7 31.0
Male non-consolidated persons 1,754 1,748 1,770 1,774 1,772
Female non-consolidated persons 330 333 343 352 356
Neither / Don't know non-consolidated persons - - 0 0 0
Total non-consolidated persons 2,084 2,081 2,113 2,126 2,128
Female rate non-consolidated % 15.8 16.0 16.2 16.6 16.7
Contracted/ part-time employees* Male consolidated persons - - 444 398 402
Female consolidated persons - - 246 252 264
Neither / Don't know consolidated persons - - 0 0 0
Total consolidated persons - 726 690 651 666
Male non-consolidated persons 412 419 382 334 345
Female non-consolidated persons 194 194 182 190 209
Neither / Don't know non-consolidated persons 0 0 0 0 0
Total non-consolidated persons 606 613 564 524 554
Temp staff Male consolidated persons - 89 90 102 152
Female consolidated persons - 132 103 112 133
Neither / Don't know consolidated persons - - 0 0 1
Total consolidated persons - 221 193 214 286
Male non-consolidated persons 19 24 26 30 80
Female non-consolidated persons 28 44 37 33 42
Neither / Don't know non-consolidated persons - - 0 0 0
Total non-consolidated persons 47 68 63 63 122
  • *Average number of persons per year

Management Composition

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Indicators Category Scope Unit 2021 2022 2023 2024 2025
Below Section Chief Male consolidated persons - - - 660 673
Female consolidated persons - - - 136 143
Total consolidated persons - - - 792 816
Female rate consolidated % - - - 17.2 17.5
Below Section Chief Male non-consolidated persons 321 412 418 414 416
Female non-consolidated persons 38 42 43 40 44
Total non-consolidated persons 359 454 461 454 460
Female rate non-consolidated % 10.5 9.3 10.3 8.8 9.6
Section Chief and above Male consolidated persons - - - 175 177
Female consolidated persons - - - 31 32
Total consolidated persons - - - 203 209
Female rate consolidated % - - - 15.3 15.3
Section Chief and above Male non-consolidated persons 68 66 62 62 61
Female non-consolidated persons 4 5 3 3 3
Total non-consolidated persons 72 71 65 65 64
Female rate non-consolidated % 5.5 7 4.6 4.6 4.7
Overall Male consolidated persons - - - 830 845
Female consolidated persons - - - 171 184
Total consolidated persons - - - 995 1,029
Female rate consolidated % - - - 17.2 17.9
Overall Male non-consolidated persons 476 478 480 476 477
Female non-consolidated persons 47 47 46 43 47
Total non-consolidated persons 523 525 526 519 524
Female rate non-consolidated % 9 9 8.8 8.3 9

Age

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Indicators Category Scope Unit 2021 2022 2023 2024 2025
Age groups Under 18 consolidated persons - - - 0 0
18-19 consolidated persons - - - 37 40
20-29 consolidated persons - - - 873 1,135
30-39 consolidated persons - - - 1,612 1,749
40-49 consolidated persons - - - 1,703 1,665
50-59 consolidated persons - - - 1,201 1,232
Over 60 consolidated persons - - - 162 162
Average age Male consolidated age - - - 40.4 40
Female consolidated age - - - 40.9 40.3
Overall consolidated age - - - 40.5 39.9
Age groups Under 18 non-consolidated persons - - - 0 0
18-19 non-consolidated persons - - - 18 16
20-29 non-consolidated persons 376 362 359 353 358
30-39 non-consolidated persons 575 578 610 617 611
40-49 non-consolidated persons 585 589 559 554 568
50-59 non-consolidated persons 547 498 580 579 569
Over 60 non-consolidated persons 1 1 5 5 6
Average age Male consolidated age - - - 40.4 40
Female consolidated age - - - 40.9 40.3
Overall consolidated age - - - 40.5 39.9
Average age Male non-consolidated age 40.2 40.4 40.6 40.6 40.9
Female non-consolidated age 42.8 42.9 42.9 42.6 42
Overall non-consolidated age 40.6 40.8 41 41 41.1

Rates of disabled employees

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Indicators Scope Unit 2021 2022 2023 2024 2025
Disabled employees consolidated persons - 92 68 82 79
Disabled employment rate*1 consolidated % - 1.44 1.04 1.26 1.22
Disabled employment rate*2 non-consolidated % 2.00 1.98 1.93 2.11 2.33
(Statutory employment rate) non-consolidated % 2.3 2.3 2.3 2.5 2.5
  • *1Disabled employee numbers have been removed from the total of regular employees, contracted employees and part-time employees, hence calculation methods differ from those used for statutory employment rates.
  • *2Each year's data is accurate as of Jun 1st

Comfortable Working Environment

Continuous Service

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Indicators Category Scope Unit 2021 2022 2023 2024 2025
Average number of years of continuous service Male consolidated years - - - 12.2 12.2
Female consolidated years - - - 11 10.6
Overall consolidated years - - - 11.8 11.8
Average number of years of continuous service Male non-consolidated years 14.5 14.4 14.9 14.9 14.9
Female non-consolidated years 16.6 16.6 16.4 15.4 14.3
Overall non-consolidated years 14.9 15.1 15.1 15 14.8

Employees leaving the company

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Indicators Scope Unit 2021 2022 2023 2024 2025
Regular employees leaving the company for personal reasons consolidated persons - 535 282 331 313
Rate of regular employees leaving the company for personal reasons consolidated % - 9.4 4.8 5.7 5.4
Regular employees leaving the company for personal reasons non-consolidated persons 48 50 51 61 42
Turnover rate non-consolidated % 2.3 2.3 2.9 2.8 2.6
Rate of employees leaving the company for personal reasons non-consolidated % 2.1 2.4 2.4 2.9 2
Employees leaving the company within 3 years of joining* non-consolidated persons 7 4 5 6 12
Rate of employees leaving the company within 3 years of joining non-consolidated % 4 2 3 3.5 6.3
  • *The number of new graduate hires in each financial year quitting within the first 3 years

Transfers

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Indicators Scope Unit 2021 2022 2023 2024 2025
Transfers non-consolidated persons 2 3 3 7 28

Working hours

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Indicators Scope Unit 2021 2022 2023 2024 2025
Average number of annual hours worked per worker consolidated hours - - - 1,916 1,893
Average monthly overtime hours consolidated hours - - - 10.7 16.14
Average number of annual hours worked per worker non-consolidated hours 1,911 1,896 1,876 1,883 1,899
Average monthly overtime hours non-consolidated hours 12.7 11.9 11.2 11.8 12

Paid Leave

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Indicators Scope Unit 2021 2022 2023 2024 2025
Average number of days of annual paid leave taken consolidated days 11.1 12 13.3 22.4 21.7
Annual Paid Leave take-up rate consolidated % 59.8 63.7 72.8 85.7 72
Average number of days of annual paid leave taken non-consolidated days 11.1 12 13.3 13.4 13.9
Annual Paid Leave take-up rate non-consolidated % 59.8 63.7 72.8 73 74.4

Childcare

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Indicators Scope Unit 2021 2022 2023 2024 2025
Commencement of Maternity Leave*1 non-consolidated persons 11 22 21 14 15
Commencement of Childcare Leave*1 Male non-consolidated persons 9 62 50 56 55
Female non-consolidated persons 11 22 16 19 11
Childcare Leave System take-up rate*2 Male non-consolidated % 27.2 69.6 78.5 100 90.3
Female non-consolidated % 100 100 100 100 100
Post-childbirth and post-Childcare Leave return-to-work rate Male non-consolidated % 100 100 100 100 100
Female non-consolidated % 100 100 100 100 100
Post-childbirth and post-Childcare Leave retention rate Male non-consolidated % 100 100 100 100 100
Female non-consolidated % 100 100 100 100 100
Reduced Working Hours for Childcare take-up rate Male non-consolidated persons 1 2 3 3 2
Female non-consolidated persons 42 48 52 56 69
  • *1Not including leave taken during the last financial year which crosses over into this financial year
  • *2FY2022 calculations for the rates of Childcare Leave and Leave for the Purpose of Childcaring have been made using the methods in Article 71.4.2.

Nursing Care

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Indicators Scope Unit 2021 2022 2023 2024 2025
Employees taking Nursing Care Leave non-consolidated persons 0 0 1 0 2
Nursing Care Leave System users non-consolidated persons 0 2 3 2 5

Pay

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Indicators Scope Unit 2021 2022 2023 2024 2025
Average annual pay Male non-consolidated JPY thousand 7,683 8,003 7,704 7,979 8,207
Female non-consolidated JPY thousand 6,366 6,707 6,336 6,632 6,734
Overall non-consolidated JPY thousand 7,477 7,801 7,488 7,763 7,964
Gender wage differentials* Full-time workers non-consolidated % - 75.6 82.2 83.1 82.1
Part-time & fixed-term workers non-consolidated % - 53 70.9 71.2 74
All workers non-consolidated % - 72.3 71.4 72.5 71.8

Freedom of Association

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Indicators Scope Unit 2021 2022 2023 2024 2025
Number of union members*1 consolidated persons - - - 3,532 3,447
Union membership rate*2 consolidated % - - - 72 74
Number of union members*1 non-consolidated*3 persons 1,695 1,687 1,697 1,697 1,746
Union membership rate*2 non-consolidated*3 % 100 100 100 100 100
  • *1The number of persons for each financial year is accurate as of March 31st
  • *2Number of union members/number of qualified persons (excluding managers and persons specified in agreements)
  • *3Includes some related companies

Employee Engagement Survey Results

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Indicators Scope Unit 2021 2022 2023 2024 2025
Response rate non-consolidated % - - 85.9 83.9 86.2
Employee engagement non-consolidated score - - 47.1 48.4 49.7

Number of Labor Standards Law Violations

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Indicators Scope Unit 2021 2022 2023 2024 2025
Number of labor standard violations consolidated cases - 1 0 1 2
Number of labor standard violations non-consolidated cases - 1 0 1 2

Recruitment

Recruitment

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Indicators Category Scope Unit 2021 2022 2023 2024 2025
New employees (graduates)*1 Male consolidated persons - - - 119 63
Female consolidated persons - - - 53 31
Total consolidated persons - - - 171 94
Female rate consolidated % - - - 31 33
New employees (graduates)*1 Male non-consolidated persons 41 37 60 43 32
Female non-consolidated persons 7 6 12 15 14
Total non-consolidated persons 48 43 72 58 46
Female rate non-consolidated % 14.5 14 16.67 25.9 30.4
New employees (mid-career)*2 Male consolidated persons - - - 174 178
Female consolidated persons - - - 150 113
Total consolidated persons - - - 324 291
Female rate consolidated % - - - 46.3 38.8
New employees (mid-career)*2 Male non-consolidated persons 32 45 44 45 37
Female non-consolidated persons 7 10 15 19 16
Total non-consolidated persons 39 55 59 64 53
Female rate non-consolidated % 17.9 18.2 25.4 29.7 30.2
  • *1Numbers entering the company in the April of the following financial year
  • *2Numbers entering the company between the April of one financial year and the March of the following financial year

Employment of retired employees

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Indicators Scope Unit 2021 2022 2023 2024 2025
Employment of retired employees non-consolidated persons 22 29 30 33 39
Employment rate of retired employees non-consolidated % 84.6 85.2 85.7 68.75 70.9

Human Resources Development

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Indicators Scope Unit 2021 2022 2023 2024 2025
Training hours per regular employee non-consolidated hours 13 15 17.7 15 18
Total training hours non-consolidated hours 27,092 31,045 37,465 31,915 38,753
Amount invested in education and training per employee non-consolidated yen 66,606 83,002 76,565 72,015 68,719

Work Safety & Health

Occupational Safety and Health Management System (ISO45001) Certified Business Sites

Business Site Certification secured Certifying Institution Certification Number
Kayaku Safety Systems (Huzhou) January 2023 NQA 132021
Cover rate* 5%
  • *The proportion of production facilities with ISO45001 certification owned by either Nippon Kayaku or its consolidated subsidiaries
    Even business sites without ISO45001 certification have Occupational Safety and Health Management Systems of equivalent standard.

Occupational Hazards

Indicators Scope Unit 2021 2022 2023 2024 2025
Number of work-related accidents resulting in death and other serious accidents non-consolidated cases 0 0 0 0 1
Number of work-related employee deaths Regular employees consolidated persons 1 0 0 0 0
Contracted employees / part-time employees consolidated persons 0 0 0 0 0
Partner company employees*1 consolidated persons 0 0 0 0 0
Rate of Lost Time Injuries Regular employees non-consolidated *2 0.19
(1cases)
0
(0cases)
0
(0cases)
0
(0cases)
0.56
(3cases)
Contracted employees / part-time employees non-consolidated *2 0 0 0 1.12 0
Partner company employees*1 non-consolidated *2 0 0 0 2.12 7.45
Employees Group companies *2 - - 1.5
(9people)
1.89
(12people)
1.31
(8people)
Lost Time Injury Intensity Rate non-consolidated *3 0 0 0 0.0004 0.0377
Number of violations of Occupational Safety and Health-related regulations and standards non-consolidated cases 0 0 0 0 0
  • *1Partner company employees: contractor (company) employees, temp (company) staff
  • *2Occupational hazard-related deaths and injuries per every 1 million actual working hours
  • *3Number of working days lost per every 1000 actual working hours
Trends in Industrial Accident Frequency Rates

Principal Safety Education Conducted

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Indicators Scope Unit 2021 2022 2023 2024 2025
New Hire Training* non-consolidated persons 41 46 60 72 58
New Manager Training* non-consolidated persons 54 57 42 29 41
  • *Held every year

Employee Health

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Indicators Scope Unit 2021 2022 2023 2024 2025
Regular health check take-up rate*1 non-consolidated % 100 100 100 100 100
Stress-check take-up rate*1 non-consolidated % 98.1 97.9 98 96.6 97.6
Proportion of "highly-stressed" persons non-consolidated % 10.6 10 10.1 10.1 8.8
Absenteeism*2 non-consolidated % ー ー ー ー 0.75
Presenteeism*1 *3 non-consolidated ー ー ー 4.1 4.1 4
Mental health-related investments non-consolidated JPY million 13 12.6 12.6 10.8 10.2
  • *1Excluding employees on leave.
  • *2Absenteeism: Inability to attend work due to illness, poor health, or other health-related reasons. Calculated as follows: (Total number of days of absence due to non-work-related illness or injury, medical leave, and personal absence ÷ Scheduled working days) × 100
  • *3Presenteeism: A condition in which employees continue working despite physical or mental health issues, resulting in increased errors, reduced concentration, and diminished work performance. In Japan, this is sometimes referred to as “working while ill.” It is evaluated using the Workplace Outcome Suite (WOS). Higher scores on the five-point scale indicate better outcomes.

Human Rights

Human Rights Training

Training type Main contents Mainly aimed at FY Training format No. of times Average take-up rate
Sustainability training ・Nippon Kayaku Group Human Rights Policy, Human Rights Initiatives Required of Companies Executives, employees, (including contract and part-time employees), temporary employees 2025 e-learning 1 89%
  • *Held every year

Quality

Business Sites with Quality Management System Certification

Business Site Name ISO9001 ISO13485 IATF16949 ISO22000 AS9100D
Safety Head Plant (Himeji) ●
Safety Systems Group
Research & Development Head Office
Polatechno Group
Joetsu Plant ●
WUXI POLATECHNO OPTICS
Fukuyama Plant ●
Asa Plant
Tokyo Plant
Fine Chemicals Business Unit
Fine Chemicals Research Lab
Taiwan Nippon Kayaku (Fine Chemicals Business Unit)
Takasaki Plant ● ●
Pharmaceuticals Group
Pharmaceuticals Research Laboratories
Kashima Plant ●
Agrochemicals Group
Agrochemicals Laboratories
Kayaku Safety Systems Europe ●
Kayaku Safety Systems (Huzhou) ●
Kayaku Safety Systems de Mexico ●
Kayaku Safety Systems Malaysia ●
MOXTEK ●
Dejima Optical Films ●
RaySpec ●
KAYAKU CHEMICAL (WUXI) ●
Kayaku Advanced Materials ● ● ●
WUXI ADVANCED KAYAKU CHEMICALS ●
NIPPONKAYAKU FOOD TECHNO ● ●

Certification Status for GMP Approval

Business Site Name Principal certifying countries
Takasaki Plant Japan, America, Europe

Quality Education

Attendance Results(Japan)

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Training Type Contents Attendees in FY2025 Total
Why? Why? Analysis Training ・Root cause analysis at the time of a problem
・Drafting reoccurrence prevention measures
・Practical exercises
47 (41 males, 6 females) 310 (Since FY2020)
Measures Against Human Error Training ・Extracting human error risks
・Drafting advance prevention measures
・Horizontal expansion of prevention activities
63 (51 males, 12 females) 973 (Since FY2020)
Quality Training for New Hires ・The relationship between Quality the KAYAKU spirit
・"Quality Control for Everyone"; 7 tools for Quality Control
・ISO standards and accreditation
46 (32 males, 14 females) 363 (Since FY2021)
Monthly Quality Lecture Seminar on Quality Defect Prevention
"Communication and Psychological Security protect Quality and People"
189 (146 males, 43 females) 492 (Since FY2023)

R&D

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Indicators Scope Unit 2021 2022 2023 2024 2025
R&D costs consolidated JPY billion 13 13.3 19.8 15 12.6
R&D costs as a percentage of sales consolidated % 7 6.7 9.8 6.7 5.2

CSR

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Indicators Scope Unit 2021 2022 2023 2024 2025
CSR expenditure non-consolidated JPY million 154 149 158 93 72
Total donations non-consolidated JPY million 123 120 126 90 68
Other CSR expenditures non-consolidated JPY million 31 29 32 3 4

Governance

Corporate Governance

Board Member Composition*

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Indicators Scope Unit 2021 2022 2023 2024 2025
Directors Inside Male persons 6 6 6 6 5
Female persons 0 0 0 0 0
Total persons 6 6 6 6 5
Outside (Independent) Male persons 3 (3) 3 (3) 3 (3) 3 (3) 3 (3)
Female persons 0 0 1 (1) 1 (1) 1 (1)
Total persons 3 (3) 3 (3) 4 (4) 4 (4) 4 (4)
Overall Total (Independent) persons 9 (3) 9 (3) 10 (4) 10 (4) 9 (4)
Average term years 3 4 4.6 3.5 3.3
Independent Outside Director Percentage (Results) % 33 33 40 40 44
Female Director Percentage % 0 0 10 10 10
Executive Directors persons 6 6 6 6 5
  • *Each year's data is accurate as of the Shareholders Meeting yearly held on June

Audit & Supervisory Board Member Composition*

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Indicators Scope Unit 2021 2022 2023 2024 2025
Auditors Inside Male persons 1 1 1 1 2
Female persons 1 1 1 1 0
Total persons 2 2 2 2 2
Outside (Independent) Male persons 3 (2) 3 (3) 3 (3) 3 (3) 3 (3)
Female persons 0 0 0 0 0
Total persons 3 (2) 3 (3) 3 (3) 3 (3) 3 (3)
Overall Total (Independent) persons 5 (2) 5 (3) 5 (3) 5 (3) 5 (3)
Average term years 3 4 4.4 1.2 2.4
Independent Outside Auditor Percentage (Results) % 40 60 60 60 60
Female Auditor Percentage % 20 20 20 20 0
  • *Each year's data is accurate as of the Shareholders Meeting yearly held on June

Number of Committee Meetings Held

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Meeting Frequency Meetings Held
2021 2022 2023 2024 2025
Board of Directors Monthly 14 14 14 14 15
Nominations & Remuneration Advisory Committee Whenever necessary 5 6 6 7 5
Sustainable Management Meeting Weekly 48 50 48 47 46
Executive Directors Meeting Quarterly 4 4 4 4 4
Management Strategy Meeting Twice a year 2 2 2 2 2
Audit & Supervisory Board Monthly 12 12 12 12 12
Ethics Committee Twice a year 2 2 2 2 2
Risk Management Committee Twice a year 2 2 4 2 2
Environment, Safety and Quality Management Committee Twice a year 2 2 2 2 2
Research & Development Management Committee Twice a year plus convened ad hoc by the chairman when required 3 2 2 2 2
  • *Each financial year's data is taken from April to March

Directors' Attendance at Committee Meetings (FY2025)*

Executive Title Name Board Meeting attendance Nominations & Remuneration Advisory Committee attendance
President and Representative Director Shigeyuki Kawamura 15/15 4/4
Senior Managing Director Hiroshi Shimada 15/15 -
Member of the Board Shinji Inoue 15/15 -
Member of the Board Makoto Takeda 15/15 5/5
Member of the Board Yasuhito Kato 12/12 -
Outside Director (Independent) Yasuyuki Fujishima 14/15 5/5
Outside Director (Independent) Seiichi Fusamura 15/15 5/5
Outside Director (Independent) Ikuko Akamatsu 14/15 5/5
Outside Director (Independent) Mitsuhiro Tsubakimoto 12/12 4/4
Average rate of attendance 98% 100%
  • *Data taken from April 2025 to March 2026

Audit & Supervisory Board Members Attendance at Committee Meetings (FY2025)*

Position Name Board Meetings attended Auditor attendance
Standing Auditor Nagafumi Saito 12/12 10/10
Full-time Auditor Yoichiro Wada 15/15 12/12
Outside Auditor (Independent) Ichiro Wakasa 13/15 11/12
Outside Auditor (Independent) Atsushi Iwasaki 15/15 12/12
Outside Auditor (Independent) Kyoichi Toriyama 15/15 12/12
Average rate of attendance 96% 98%
  • *Data taken from April 2025 to March 2026

Executive Remuneration*

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Category Unit 2021 2022 2023 2024 2025
Directors Total remuneration amount JPY million 410 382 349 419 366
(Outside Directors excepted) Number of directors concerned persons 8 6 8 9 7
Auditors Total remuneration amount JPY million 45 45 45 46 47
(Outside Directors excepted) Number of directors concerned persons 3 2 3 2 3
Outside Directors Total remuneration amount JPY million 55 57 71 75 75
Number of directors concerned persons 6 7 7 9 8
Total JPY million 510 484 465 540 488
  • *The above figures and remuneration amounts for directors and auditors include those of directors retiring at the time of the Shareholders Meeting yearly held on June.
    Furthermore, our outside directors have not received any remuneration from Nippon Kayaku Group companies.

Remuneration for CPA Auditors (consolidated)

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Indicators Unit 2021 2022 2023 2024 2025
Remuneration based on audit and certification work JPY million 80 73 79 86 82
Remuneration not based on audit work JPY million 0 0 0 0 0
Total JPY million 80 73 79 86 82

Categories of Shares Issued (As of 2026-03-31)

Category Number of shares Number of voting shares Details
Non-voting shares - - -
Restricted voting shares (treasury stocks etc.) - - -
Restricted voting shares (other) - - -
Full voting shares (treasury stocks etc.) (treasury stocks)
Common shares 11,497,100
- -
(Mutually-held shares)
Common shares 28,000
- -
Full voting shares (other) Common shares 148,193,700 1,481,937 -
Shares of less than one unit* 281,200 - -
Total number of shares issued 160,000,000 - -
General shareholder voting shares - 1,481,937 -
  • *Shares of less than one unit include 3 of our own company's treasury stocks.

Compliance

Inside Whistleblowing Cases

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Contents of Complaints and Consultations Scope Unit 2021 2022 2023 2024 2025
Harrassment (power harrassment, sexual harrassment, etc.) non-consolidated cases 2 7 16 8 6
Group companies cases - - - 5 1
Violations of company rules or manners non-consolidated cases 0 2 3 6 2
Group companies cases - - - 3 1
Work or labor-related non-consolidated cases 1 3 5 3 0
Group companies cases - - - 0 0
Others non-consolidated cases 1 4 3 0 2
Group companies cases - - - 0 1
Total non-consolidated cases 4 16 27 25 13

Number of Whistleblowing Complaints and Consultations from Suppliers

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Whistleblowing Scope Unit 2021 2022 2023 2024 2025
Whistleblowing complaints and consultations from suppliers non-consolidated cases 0 1 0 4 0

Anti-Corruption

Employees punished, fined or dimissed for causing Anti-Corruption Policy violations

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Indicators Scope Unit 2021 2022 2023 2024 2025
Number of violations of anti-corruption-related policies non-consolidated cases 0 0 0 0 0
Employee punishments and dismissals non-consolidated cases 0 0 0 0 0
Corruption-related fines issued non-consolidated yen 0 0 0 0 0
Applications of corruption-related penalties non-consolidated cases 0 0 0 0 0

Political Donations

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Indicators Scope Unit 2021 2022 2023 2024 2025
Political donations non-consolidated 10,000 yen 104 106 89 89 80

Information Security

Number of Critical Security Incident cases*

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Indicators Scope Unit 2021 2022 2023 2024 2025
Number of Critical Security Incident cases* consolidated cases - - 0 0 0
  • *Levels of security incident criticality are determined by our Information Risk Subcommittee. 

Business Sites Certified by the Trusted Information Security Assessment Exchange (TISAX), (concerned with the global automotive industry supply chain)

Business Site Certification secured Registered for inspection with Certification Number
Kayaku Safety Systems Europe January 2023 DNV SW215F
Kayaku Safety Systems de Mexico January 2023 TUV NORD DE MEXICO S6485M
Kayaku Safety Systems Malaysia May 2024 ENX ASSOCIATION S5LX79
Kayaku Safety Systems (Huzhou) Co., Ltd. October 2025 ENX ASSOCIATION L5VTHP
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