Sustainability

ESG Data Section

Environmental

Preventing Global Warming

Item Scope Category FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Energy-origin CO2 All NGK Group manufacturing sites - 84.1 86.8 87.3 75.6 61.5 104 metric tons
GHG emissions
(Scope 1: Energy-origin CO2
NGK Group - 32.0 32.3 30.9 26.4 30.9 104 metric tons of CO2
GHG emissions
(Scope 2: Energy-origin CO2)
NGK Group - 52.1 54.5 56.4 49.2 32.5 104 metric tons of CO2
GHG emissions
(Scope 3)
(FY2017-FY2020: Non-consolidated, FY2021: Consolidated)
NGK Total 87.7 104.7 97.6 89.3 344.9 104 metric tons of CO2
Purchased goods and services
(including resale items)
76.2 86.3 84.2 77.0 178.8 104 metric tons of CO2
Capital goods
(capital investment)
8.4 15.2 9.9 9.0 13.4 104 metric tons of CO2
Energy 1.6 1.8 1.6 1.5 8.6 104 metric tons of CO2
Transport (upstream) 1.1 0.8 1.4 1.3 18.8 104 metric tons of CO2
Waste 0.1 0.3 0.2 0.2 1.2 104 metric tons of CO2
Business trips 0.1 0.1 0.1 0.1 0.3 104 metric tons of CO2
Employee commutes 0.2 0.2 0.2 0.2 0.9 104 metric tons of CO2
Use of sold products - - - - 122.6 104 metric tons of CO2
Disposal of sold products - - - - 0.4 104 metric tons of CO2
CO2 (non-energy origin CO2) All NGK Group manufacturing sites - 0 0 0 0 0 104 metric tons of CO2
Total GHG other than CO2 All NGK Group manufacturing sites Total - 1 1 0 1 104 metric tons of CO2
CH4 0.0 0.0 0.0 0.0 0.0 104 metric tons of CO2
N2O 0.0 0.0 0.0 0.0 0.0 104 metric tons of CO2
HFC 0.4 0.4 0.3 0.3 0.3 104 metric tons of CO2
PFC 0.0 0.0 0.0 0.0 0.0 104 metric tons of CO2
SF6 0.0 0.1 0.2 0.0 0.1 104 metric tons of CO2

Consumption of Each Energy

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Electric power All NGK Group manufacturing sites 0.88 0.93 0.95 0.88 0.98 TWh
Gas
(natural gas conversion)
All NGK Group manufacturing sites 140 142 137 116 137 Million Nm3
Oil
(light oil conversion)
All NGK Group manufacturing sites 2.55 2.11 1.74 1.65 1.64 Million L

Conservation of Water Resources

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Water withdrawal Tap water/industrial water All NGK Group manufacturing sites 3.690 3.910 3.710 3.135 3.720 Million m3
Groundwater 0.630 0.620 0.620 0.640 0.614 Million m3
Rainwater 0.002 0.002 0.001 0.002 0.002 Million m3
Total 4.322 4.532 4.331 3.777 4.336 Million m3
Water discharge Rivers All NGK Group manufacturing sites 0.782 0.767 0.828 0.734 0.733 Million m3
Lakes 0.000 0.000 0.000 0.000 0.000 Million m3
Sea 1.363 1.330 1.618 1.201 1.218 Million m3
Sewerage 0.378 0.382 0.419 0.376 0.458 Million m3
Factory complex processing 0.340 0.319 0.241 0.207 0.238 Million m3
Other 0.003 0.012 0.013 0.017 0.057 Million m3
Total 2.866 2.810 3.140 2.534 2.704 Million m3
Volume recycled All NGK Group manufacturing sites 0.090 0.090 0.090 0.066 0.063 Million m3
Recycling rate All NGK Group manufacturing sites 2.0 2.0 2.0 1.7 1.5 %

Raw Materials

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Raw materials All NGK Group manufacturing sites 19.2 18.0 14.7 13.9 15.8 104 metric tons
  Recycled materials All NGK Group manufacturing sites 0.4 0.4 0.4 0.4 0.4 104 metric tons
PRTR All NGK Group manufacturing sites 707 694 589 506 447 Metric tons
Water withdrawal All NGK Group manufacturing sites 4.32 4.53 4.33 3.78 4.34 Million m3

Chemical Management System

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
VOC All NGK Group manufacturing sites 145.3 119.7 68.4 82.9 77.0 Metric tons
PRTR-listed substances
(emissions into atmosphere)
All NGK Group manufacturing sites 154.2 127.5 76.3 89.4 83.5 Metric tons

Discarded Materials

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Discarded materials All NGK Group manufacturing sites 5.8 5.8 5.4 4.6 5.4 104 metric tons
Basic unit per net sales All NGK Group manufacturing sites 13.3 12.8 12.5 10.35 10.5 Basic unit per net sales
Reduction rate against BAU All NGK Group manufacturing sites 22 20 24 24 26 %
  Recycled All NGK Group manufacturing sites 4.4 4.3 4.3 3.7 4.2 104 metric tons
  Disposed of externally All NGK Group manufacturing sites 1.5 1.6 1.1 0.8 1.2 104 metric tons
Water discharge All NGK Group manufacturing sites 2.865 2.809 3.140 2.534 2.738 Million m3
PRTR-listed substances
(discharge into bodies of water)
All NGK Group manufacturing sites 0.4 0.3 0.5 0.3 0.6 Metric tons

Products and Services Contributing to Environmental Protection

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Sales growth for products contributing to environmental protection NGK Group 54 52 59 57 59 %

Environmental Accounting

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Capital investment NGK and Group companies in Japan 6.0 14.8 13.6 26.8 9.4 100 million yen
Expenditures NGK and Group companies in Japan 29.0 27.9 29.8 35.0 41.4 100 million yen
Economic benefits NGK and Group companies in Japan 6.3 4.3 5.7 4.5 6.9 100 million yen
Cost-effectiveness NGK and Group companies in Japan 21.7 15.5 19.2 12.9 16.7 %
CO2eco-efficiency* Consolidated 117 115 109 122 187 %
Discarded materials eco-efficiency* Consolidated 139 144 146 176 172 %

FY2013 = 100%

Environmental Management System

Item FY2017 FY2018 FY2019 FY2020 FY2021 Unit
NGK 4 4 4 4 4 Number of bases certified
Domestic Group 20 20 22 18 19 Number of bases certified
Overseas Group 18 20 21 21 21 Number of bases certified

New manufacturing sites that have been in operation for less than two years are excluded.

Social

Quality Management System

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Percentage of ISO 9001 certified sites NGK Group 97 97 97 100 100 %

Employees

Item Scope Category FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Number of employees* NGK - 4,142 4,119 4,224 4,316 4,382 Persons
NGK Group - 18,783 20,115 20,000 19,695 20,099 Persons
Number of employees by gender NGK Total 4,136 4,355 4,529 4,650 4,745 Persons
Male 3,621 3,807 3,951 4,046 4,132 Persons
Female 515 548 578 604 613 Persons
NGK Group Total 19,406 20,578 20,409 20,195 20,656 Persons
Male 15,013 16,167 16,010 15,920 16,393 Persons
Female 4,393 4,411 4,399 4,275 4,263 Persons
Number of employees by employment type NGK Full-time employee 4,136 4,355 4,529 4,650 4,745 Persons
Contract employee 398 507 464 287 272 Persons
Temporary employee 392 389 395 302 372 Persons
Employee composition by region NGK Group Japan 38 37 39 37 37 %
Asia 27 25 23 22 22 %
Europe 18 21 21 25 25 %
North and Central America 16 16 15 15 15 %
Other 1 1 1 1 1 %
Retention rate of new hires after 3 years NGK Total 94.6 92.6 93.5 92.8 90.3 %
Male 94.8 97.6 95.2 92.7 91.0 %
Female 80.0 83.9 85.1 93.3 87.9 %
Average age NGK Total 38.7 38.7 38.8 39.2 40.0 Year
Male 38.7 38.7 39.0 39.3 40.1 Year
Female 38.6 38.4 38.6 38.6 39.6 Year
Average length of service NGK - 13.7 13.5 13.7 14.3 15.6 Year
Average salary NGK - 7,852,010 7,888,094 7,770,318 7,635,830 7,696,997 Yen
Labor union membership rate NGK - 94 96 97 98 98 %
Turnover rate
(Full-time employees only, excluding retiring employees)
NGK Total 0.8 1.4 1.5 1.3 1.3 %
Male 0.7 1.2 1.3 1.2 1.1 %
Female 1.9 2.9 2.8 1.7 2.0 %
Voluntary resignation rate
(Full-time employees only, excluding retiring employees)
NGK Total 0.8 1.2 1.5 1.2 1.2 %
Male 0.6 1.0 1.3 1.1 1.0 %
Female 1.7 2.5 2.6 1.6 2.0 %
Work performance evaluation NGK Total - 66 - 68 - %
Male - - - 68 - %
Female - - - 69 - %

Note: Includes employees from outside companies who have been temporarily assigned to the NGK Group, but excludes employees from the NGK Group who have been temporarily assigned to outside companies.

Diversity

Item Scope Category FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Number of new graduate hires NGK Total 111 155 143 141 105 Persons
Male 96 122 115 108 89 Persons
Female 15 33 28 33 16 Persons
Ratio of female employees among new graduate hires*1 NGK Total 22 26 28 34 17 %
Administrative-related; target 30% 27 42 44 52 33 %
Engineering-related; target 20% 20 22 24 27 13 %
Number of mid-career hires NGK Total 126 117 104 41 55 Persons
Male 111 102 87 35 51 Persons
Female 15 15 17 6 4 Persons
Ratio of female employees*2 NGK - 12.5 12.6 12.8 13.0 12.9 %
NGK Group - 22.6 21.4 21.6 21.2 20.6 %
Number of key personnel
(employees in managerial positions)
NGK Total 865 890 900 969 1,028 Persons
Male 848 870 874 940 993 Persons
Female 17 20 26 29 35 Persons
Dept. managers or higher 4 4 5 5 5 Persons
Ratio of female employees 2.0 2.2 2.9 3.0 3.4 %
Group companies outside Japan Ratio of female employees 21.0 16.0 20.2 23.1 23.1 %
Number of female directors NGK Total 12 12 13 9 9 Persons
Female - 1 1 1 1 Persons
Ratio 8.3 8.3 7.7 11.1 11.1 %
Number of employees with disabilities NGK, NGK YU-Service, NGK Ceramic Device Number of people 57 62 135 145 155 Persons
Employment rate 1.90 1.92 2.20 2.35 2.46 %

1 Covers regular-position employees

2 Ratio among all employees

Human Resource Development

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Training participant summary
(total participants)
NGK 3,889 4,661 4,685 2,527 8,201 Persons
Average annual hours spent for training per full-time employee
(hours)
21.7 21.3 21.4 6.0 28.0 Hours
Average annual cost of training per full-time employee 66,000 63,000 53,000 22,000 29,522 Yen

Occupational Safety and Health

Item Scope Category FY2016 FY2017 FY2018 FY2019 FY2020 Unit
Number of work-related fatalities NGK - 0 1 0 0 0 Persons
Manufacturing Group companies in Japan - 0 0 0 0 0 Persons
Manufacturing Group companies outside Japan - 0 0 0 0 0 Persons
Number of work-related accidents NGK - 3 12 7 4 3 Cases
Manufacturing Group companies in Japan - 7 8 8 11 5 Cases
Manufacturing Group companies outside Japan - 28 17 19 10 30 Cases
Severity rate
(number of lost workdays per 1,000 hours worked)
NGK Group - 0.013 0.193 0.012 0.006 0.057 Day/1,000 hours
Lost time injury frequency rate
(number of lost time injuries per 1 million hours worked)
NGK Group - 0.55 0.32 0.34 0.31 0.70 Per a million hours worked
Occupational illness frequency rate NGK - 0.11 0.10 0.00 0.00 0.00 Per a million hours worked
Acquisition of occupational safety and health management system certification NGK* ISO 45001 and JIS Q 45100 - 100 100 100 100 %
11 manufacturing Group companies in Japan ISO 45001 and JIS Q 45100 - 58 100 100 100 %
15 manufacturing Group companies outside Japan ISO45001 - 40 73 93 100 %

Nagoya Site, Chita Site, Komaki Site, Ishikawa Plant, Mitake Plant

Health and Productivity Management

Item Scope Category FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Average overtime work per month NGK NGK general employees 24.3 25.2 23.7 21.6 23.4 Hours
NGK including key personnel (managers) 23.4 25.2 23.6 22.0 23.8 Hours
NGK manufacturing divisions 25.7 27.3 24.4 22.8 24.1 Hours
NGK non-manufacturing divisions 22.4 24.0 23.2 21.1 23.1 Hours
Percentage of employees taking stress checks NGK - 93.4 94.9 95.9 94.1 95.2 %
Percentage with high stress levels NGK - 9.7 11.7 10.7 9.9 9.0 %
Number of employees taking position-based mental care education NGK - 402 567 614 585 517 Persons
Periodic health exam NGK - 100 100 100 100 100 %
Paid leave: Number of days used, utilization rate NGK Days used 12.2 12.8 14.1 11.9 13.8 Day
Utilization rate 68.7 72.5 77.5 67.5 76.5 %

Social Contribution Activities

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Social contribution expenditures NGK Group 3.00 3.02 2.37 2.96 5.33 100 million yen
Number of social contribution programs 10 10 13 10 16 Cases
Number of collaborations with NPOs/NGOs 4 4 4 4 3 Cases

Corporate Governance

Board of Directors

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Number of directors NGK 12 12 13 11 9 Persons
Number of outside directors 3 3 3 3 3 Persons
Number of board of directors meeting held 15 14 14 14 13 Times

Audit & Supervisory Board Members

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Number of audit & supervisory board members NGK 4 4 4 4 4 Persons
Number of outside audit & supervisory board 2 2 2 2 2 Persons
Number of audit & supervisory board meeting held 14 14 14 14 14 Times

Executive Officer

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Number of executive officers
(excluding those also serving as directors)
NGK 13 15 15 22 22 Persons
Male 13 15 14 21 21 Persons
Female 0 0 1 1 1 Persons

Compensation for Directors and Audit & Supervisory Board Members

Item Scope Category FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Compensation for directors and auditor & supervisory board members NGK Directors
(excluding Outside Directors)
676 570 535 591 685 Million yen
Outside Directors 61 62 59 59 67 Million yen
Outside Officers 62 66 66 66 68 Million yen

Measures for Returning Profits to Shareholders

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Dividends per share NGK 44 50 50 30 63 Yen
Return on equity (ROE) 10.4 7.6 5.8 7.9 12.9 %

Intellectual Property Management

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Number of patents held (Japan) NGK 3,191 3,352 3,513 3,521 3,374 Cases
Number of patents held (Overseas) 4,186 4,346 4,485 4,452 4,444 Cases

Whistleblowing System

Item Scope FY2017 FY2018 FY2019 FY2020 FY2021 Unit
Number of helpline consultation cases NGK 43 75 55 28 43 Cases