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Environment

Data related to the environment for FY2024 (the fiscal year ended March 31, 2025) are preliminary result prior to obtaining third-party certification.

Decarbonization

CO2 Emissions by Scope(*1)(Consolidated)(*2)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Total amount of emissions 1,000t-CO2 4,735.4 3,902.6 4,518.0 4,323.0 5,208.6
Scope1 221.2 280.4 234.8 246.7 278.0
Scope2 108.7 89.5 51.4 24.5 19.6
Scope3 4,405.5 3,532.7 4,231.8 4,051.8 4,911.0
1 Purchased goods / services 2,499.6 1,724.8 2,809.8 1,751.8 1,380.2
2 Capital goods 5.1 20.0 68.3 24.5 27.6
3 Fuel and energy related activities 32.8 47.4 33.4 38.9 35.9
4 Transportation and delivery
(upstream)		 14.1 11.4 15.8 13.4 15.2
5 Waste generated from business 141.0 198.1 117.4 84.9 94.9
6 Business trip 2.2 2.9 3.1 3.2 3.6
7 Employee commuting 22.9 27.0 26.4 29.8 33.7
8 Leased assets (upstream) 0.3 0.4 0.4 0.4 0.4
9 Transportation and delivery
(downstream)		 57.1 81.4 63.5 43.1 54.9
10 Processing of sold products 0.0 0.0 0.0 0.0 0.0
11 Use of sold products 1,548.1 1,345.2 973.4 1,996.9 3,191.2
12 End-of-life treatment of
sold products		 54.8 51.1 97.1 44.2 49.9
13 Leased assets (downstream) 27.5 23.0 23.3 20.7 23.4
14 Franchises 0.0 0.0 0.0 0.0 0.0
15 Investments 0.0 0.0 0.0 0.0 0.0

*1 Scopes are categories of GHG emissions prescribed by the GHG Protocol.(The GHG Protocol was developed as an international standard for calculating and reporting GHG emissions)
Scope 1：Direct emissions from business activities
Scope 2：Indirect associated with the use of energy (electric power, heat, etc.) in business activities
Scope 3：Other indirect emissions caused by supplier activities, product use, etc.

*2 All domestic and foreign group companies are covered.

CO2 Emissions by Scope(Non-consolidated)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Total amount of emissions 1,000t-CO2 3,810.9 3,137.6 3,108.2 3,385.6 4,160.4
Scope1 113.8 150.7 132.9 137.3 154.7
Construction sites 113.5 149.0 131.7 136.4 153.7
Offices, etc. 0.3 1.7 1.2 0.9 1.0
Scope2 56.6 50.8 12.7 3.3 0.0
Construction sites 50.4 41.7 10.9 0.0 0.0
Offices, etc. 6.2 9.2 1.8 3.3 0.0
Scope3 3,640.5 2,936.0 2,962.5 3,245.0 4,005.7
1 Purchased goods / services 1,940.7 1,330.3 1,737.3 1,251.0 815.4
2 Capital goods 3.9 12.3 41.1 14.4 16.3
3 Fuel and energy related activities 25.5 29.0 20.9 18.1 20.5
4 Transportation and delivery
(upstream)		 11.0 8.8 10.6 8.6 9.7
5 Waste generated from business 109.5 191.2 112.6 77.5 87.6
6 Business trip 1.7 1.8 1.8 1.9 2.1
7 Employee commuting 17.8 18.8 18.2 20.2 22.8
8 Leased assets (upstream) 0.2 0.2 0.3 0.2 0.3
9 Transportation and delivery
(downstream)		 44.3 71.0 58.1 42.5 48.0
10 Processing of sold products 0.0 0.0 0.0 0.0 0.0
11 Use of sold products 1,417.3 1,212.3 855.1 1,758.8 2,924.6
12 End-of-life treatment of
sold products		 42.5 51.1 97.1 44.2 49.9
13 Leased assets (downstream) 26.1 9.2 9.5 7.6 8.6
14 Franchises 0.0 0.0 0.0 0.0 0.0
15 Investments 0.0 0.0 0.0 0.0 0.0

Construction sites (Non-consolidated)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
CO2 Emissions at Construction Sites
Total amount of CO2 emissions 1,000t-CO2 164 191 143 136 -
Amount of emissions per
completed work		 t-CO2/
billions of yen		 140 140 110 90 -
CO2 emissions reduction rate
(vs. FY2019)		 % 12.8 -1.4 24.2 27.0 -
Composition of CO2 Emissions Sources at Construction Sites
Electric Power % 30.8 22.1 24.1 24.5 -
Diesel fuel 66.3 75.6 74.6 74.9 -
Material/ waste transport 22.1 22.4 25.8 25.8 -
Drilling machinery 18.2 22.8 20.4 20.8 -
Other construction machinery 26.0 30.4 28.4 28.3 -
Kerosene 2.9 2.3 1.3 0.6 -

Designed & Constructed Buildings (Non-consolidated)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Total area of designed buildings 1,000m³ 1,457 1,127 1,065 733 601
KPIRatio of ZEB design and
build projects (*3)		 cases - - - - 55
KPINumber of ZEB certified design and
build projects (*4)		 2 6 8 12 9
Number of orders received for projects
equivalent to ZEB (*5)		 - - 9 10 12
Less than 300m² - - 1 1 5
More than 300m² but less than 2,000m² - - 1 1 3
More than 2,000m² - - 7 8 4
Number of LEED certifications obtained 1 0 1 1 0
Number of CASBEE A ranks or higher 14 10 19 13 11
Number of orders received forwooden
structure and interior construction projects (*6)		 4 4 7 5 6
Quantity of timber used in wooden
structure and interior construction projects (*6)		 m³ 2,470 1,664 21,219 555 1,708
CO2 emission reductions during operation (*7) 1,000t-CO2
/year		 33 22 16 12 6.7
CO2 emission reduction rate during operation (*7) % 23.2 32.3 26.0 32.7 41.0

*3 Includes projects that have not obtained ZEB certification but haave environmental performance equivalent to ZEB level

*4 Includes ZEB certified and ZEH-M certified

*5 Number of projects based on the FY2025 ZEB Planner (Phase 2) Performance Reporting Guidance (including projects that have not obtained ZEB certification)

*6　Projects that use wood in their structure and interior (including designs by other companies)

*7　Average CO2 emissions and CO2 emissions reduction rate calculated by Comprehensive Assessment System for Built Environment Efficiency (CASBEE)

Offices(Non-consolidated)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
CO2 emissions 1,000t-CO2 6.6 5.5 4.6 4.2 -
Electric power consumption kWh/person 1,098 1,063 963 913 -

Resource Circulation

Water Consumption(Consolidated)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Water withdrawal 1,000m³ 1,146 1,691 1,252 5,811 -
Water supply 1,146 1,691 1,252 1,191 -
Well water - - - 16 -
Industrial water - - - 842 -
Others - - - 3,762 -
Water discharge - - - 3,682 -
Sewerage - - - 2,025 -
On-site circulating water - - - 1,634 -
River discharge, etc. - - - 23 -

Waste Emissions(Consolidated)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Total amount of waste emissions 1,000t 2,225 3,274 2,517 1,977 -
Obayashi 1,944 2,976 2,246 1,845 2,124
Construction sites 1,942 2,974 2,245 1,844 2,123
Offices, etc. 2.0 2.0 1.5 1.2 1.1
Group companies (domestic only) 281 298 271 132 -

Construction Waste Emissions(Non-consolidated)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Amount of Construction Waste Emission, Final Disposal and Recycling Rate (Excluding construction sludge)
Construction waste emissions 1,000t 1,151 1,689 1,166 1,277 1,141
New building construction 180 206 235 229 177
Demolition 971 1,483 931 1,048 963
Final disposal 31 41 43 55 44
Recycled amount 1,120 1,648 1,122 1,223 1,096
Recycling rate % 97.2 97.5 96.3 95.7 96.1
Breakdown of Waste Emissions by Type
Construction waste emissions 1,000t 1,151 1,689 1,166 1,277 1,141
Concrete debris 807 1,195 757 847 746
Asphalt and
concrete debris		 122 186 125 157 142
Wood scraps 42 55 48 35 27
Plastic waste 6 8 7 9 7
Mixed waste 37 42 50 57 45
Other sorted waste 137 203 179 172 173
Construction sludge / Surplus soil from construction
Construction sludge 1,000t 751 1,243 1,055 533 919
Reuse / reduction 736 1,237 1,051 506 904
Final disposal 15 6 4 27 16
Surplus soil from construction 1,000m³ 435 426 646 586 718
Reuse / reduction 435 426 646 586 718
Final disposal 0 0 0 0 0

Construction Waste and Construction Sludge Disposal / Recycling Ratio by Type

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Concrete debrisFinal disposal % 0.0 0.0 0.0 0.1 0.0
Reduction 0.1 0.1 0.1 0.0 0.1
Recycle and reuse 99.9 99.9 99.9 99.9 99.9
Asphalt and
Concrete debris		Final disposal 0.2 0.0 0.1 0.0 0.1
Reduction 0.0 0.8 0.0 0.0 0.0
Recycle and reuse 99.8 99.2 99.9 100.0 99.9
Wood scrapsFinal disposal 0.3 0.4 0.5 0.9 1.0
Reduction 2.2 1.8 0.8 8.3 13.1
Recycle and reuse 97.5 97.8 98.7 90.8 85.9
Plastic wasteFinal disposal 21.7 22.0 24.8 29.3 23.7
Reduction 5.7 5.3 7.0 28.3 27.9
Recycle and reuse 72.6 72.7 68.2 42.4 48.4
Mixed wasteFinal disposal 21.2 23.0 26.2 34.3 23.8
Reduction 7.4 6.4 5.7 9.1 10.0
Recycle and reuse 71.4 70.6 68.1 56.6 66.2
Other sorted wasteFinal disposal 15.8 14.6 15.6 18.4 18.1
Reduction 0.7 0.6 0.5 0.7 0.7
Recycle and reuse 83.5 84.8 83.9 80.9 81.2
Construction sludgeFinal disposal 2.0 0.5 0.4 5.1 1.7
Reduction 16.4 18.5 16.5 14.5 13.1
Recycle and reuse 81.6 81.0 83.1 80.4 85.2

General Waste Emissions

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Total amount of waste emissions kg/person 70 67 51 47 33

Hazardous Waste

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Total amount of waste emissions t 2,023 2,307 5,475 5,826 3,761
Asbestos Processed 1,652 2,105 5,253 4,432 3,344
Other specially controlled
industrial waste disposal		 371 202 222 1,394 418

Emissions Reducing Management

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Electronic manifests sheets usage rate % 97.2 98.1 98.0 98.1 -

Energy

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Energy consumption TJ (*8) 2,935 3,223 3,060 3,102 -
Construction sites 2,809 3,096 2,927 2,967 -
Offices 126 127 133 135 -
Electricity consumption MWh 127,390 108,079 111,722 111,864 -
Construction sites 115,353 95,980 100,102 100,151 -
Offices 12,037 12,099 11,620 11,713 -
Renewable energy consumption 798 822 63,084 111,864 -
Diesel oil consumption 1,000kl 42 55 50 52 -
City gas consumption 1,000m³ 87 90 85 88 -
Kerosene consumption 1,000kl - 2 1 0 -
Liquefied petroleum gas (LPG)
consumption		 1,000m³ - 0 2 2 -

*8 Unit for energy: 1 terajoule = 1 × 1,012 joules

Major Construction Materials

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Steal beam 1,000t 441 247 402 219 123
Rebar 175 244 234 182 148
Ready-mixed concrete 4,608 4,065 4,518 4,549 3,557
Clean-Crete 85 216 56 77 53
blast-furnace concrete 239 410 338 283 302
Cement 236 184 178 147 50
blast-furnace cement 4 58 74 116 0.2

Air Pollutant

Unit FY2020 FY2021 FY2022 FY2023 FY2024
SOX emissions t 153 180 169 173 -
Construction sites 149 176 165 169 -
Offices, etc. 4 4 4 4 -
NOX emissions 840 1,050 968 993 -
Construction sites 830 1,040 958 983 -
Offices, etc. 10 10 10 10 -

Chemical Substances Management

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Amount of Consumption of Substances
Subject to the PRTR Law (*9)		 kg 1,219 992 580 823 794
Xylene 216 274 147 166 150
Toluene 332 136 57 83 52
Ethylbenzene 60 23 65 74 30
Trimethylbenzene 183 146 88 325 324
Others 427 413 223 175 237
CFC and Halon Gases Collected
and Processed (*10)		 t 7.5 12.9 17.1 6.0 8.8
CFC gas 5.8 10.2 9.5 6.0 7.2
Halon gas 1.7 2.7 7.6 0.0 1.6

*9 A law to improve the monitoring and management of releases to the environmnet of designated chemical substances

*10 Amount of recycled CFC gas and Halon gas was 4.9t and the amount of disposed CFC gas and Halon gas was 3.9t in FY2025.3

Promoting Renewable Energy Businesses

Unit FY2020 FY2021 FY2022 FY2023 FY2024
KPIStable annual electricity generation from
renewable energy business		 MWh 267,202 306,069 540,279 698,373 663,759

Environmental Compliance

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Violations of environmental laws (*11) cases 1 4 1 1 3
Fines 0 0 0 0 0
Total monetary value of fines yen 0 0 0 0 0
Others (compensation payment) cases 1 0 0 0 0

*11 Violations of environmental laws includes the following:
「When received an administrative guidance」「When a written apology must be submitted」「When a government agency has submitted a recommendation to take corrective actions」「When a small fine must be paid」「When there is a penalty involving more than a small fine」

Biodiversity

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Ratio of nature symbiosis-related
expenses to total R&D expenses		 % - - 13.2 24.5 28.8

Applicable Group Companies (Exclude companies that their business run in Obayashi's office)

Construction Business Obayashi Road Corporation,Naigai Technos Corporation,
Obayashi Facilities, Oak Setsubi Corporation, Tokken Mechatronics Corporation,
Soma Environmental Service Corporation, ATELIER G&B Co., and Obayashi Design Partners
Real Estate Business Obayashi-Shinseiwa Real Estate Corporation
Other Businesses Information：Oak Information System Corporation
Restaurant：Le Pont de Ciel Co., Ltd.
Renewable energy generation：Obayashi Clean Energy Corporation

Environmental policy includes support for Group companies in order to lower the environmental impact of the entire Obayashi Group. In line with this policy, the Group Company Environmental Activity Liaison
Conference was formed to deal with issues for the entire Group. In addition, individual companies use their business activities for developing recyclable materials and increasing their use, combating the heat island effect, conserving energy for building operations, and other purposes.

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Social

Quality

Unit FY2020 FY2021 FY2022 FY2023 FY2024
KPINumber of serious quality defects case - - 2 1 0
KPIRatio of workers with important construction
management credentials (*12)		 % 80.5 81.9 82.7 81.3 82.1
Customer satisfaction rate % 96.8 95.9 97.5 97.1 96.5

*12 Professional engineer, registered first-class architect and registered first-class constrution management engineer (building construction, civil engineering, plumbing work, and electricity)

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Human Resources

Basic Information

(As of fiscal years ended March 31)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Number of employees (Consolidated) person 15,267 15,470 15,876 16,986 17,305
Number of employees (Non-consolidated) 8,918 9,026 9,134 9,253 9,386
male 7,484 7,542 7,599 7,642 7,714
female 1,434 1,484 1,535 1,611 1,672
Number of employees by age
(Non-consolidated)		 Under
30years old		 1,580 1,610 1,630 1,704 1,770
30-39years old 2,141 2,239 2,295 2,309 2,376
40-49years old 1,858 1,731 1,735 1,775 1,803
50-59years old 3,233 3,334 3,378 3,379 3,326
Over
60years old		 106 112 96 86 111
Number of Group Company Employees 6,349 6,444 6,742 7,733 7,919
Domestic group companies - 3,129 3,343 3,450 3,457
male - 2,512 2,704 2,795 2,755
female - 617 639 655 702
Overseas Group Companies - 3,315 3,399 4,283 4,462
Average age of employees age 42.6 42.6 42.7 42.6 42.4
male 42.5 42.6 42.6 42.6 42.4
female 43.0 42.9 42.9 42.4 42.1
Average years of employment year 17.1 17.0 17.0 16.7 16.4
male 16.9 16.9 16.9 16.8 16.5
female 17.9 17.5 17.2 16.4 15.8
Number of new employees (Obayashi) (*13) person 302 304 313 352 413
male 244 241 247 258 318
female 58 63 66 94 95
Number of new employees
(Domestic Group Companies)		 - 117 134 135 148
male - 88 102 106 107
female - 29 32 29 41
Number of mid-career recruits
(Non-consolidated)		 57 76 102 101 98
male 50 65 87 87 82
female 7 11 15 14 16
Number of mid-career recruits
(Domestic Group Companies)		 - 126 123 182 155
male - 98 103 149 121
female - 28 20 33 34
Number of people hired through
the alumni recruitment system		 - - - - 0
male - - - - 0
female - - - - 0
Number of people hired through
the referal recruitment system		 - - - - 5
male - - - - 5
female - - - - 0
Number of contract employees 849 926 938 1,026 1,081
Average annual salary yen 10,320,957 10,249,743 10,315,515 10,660,340 11,404,238
male 10,875,292 10,816,805 10,899,824 11,273,689 12,040,904
female 7,194,577 7,158,966 7,239,430 7,527,143 8,248,985
Ratio of female wages to male wages % 64.5 64.6 65.2 65.8 67.1
Regular employees 66.0 66.2 66.4 66.8 68.2
Employees
who are not
restricted to
a specific
work location		 73.3 72.5 77.4 70.0 71.2
Empolyees
with limited
work locations		 77.9 78.6 79.2 80.0 82.0
Non-regular employees 48.3 50.6 53.7 55.3 55.5
Statutory benefit fees millions
of yen		 14,340 14,473 14,966 15,721 16,675
per person yen 1,439,988 1,431,235 1,459,526 1,503,046 1,564,481
Number of turnover of regular recruits (*14) person 107 108 160 156 141
male 86 89 126 127 110
female 21 19 34 29 31
Turnover ratio of regular recruits % 1.2 1.2 1.7 1.6 1.5
Ratio of turnover of new employees
of three years ago who quit
the Company within three years		 5.0 6.9 5.0 6.9 5.4

*13 Figures under each year are the ratio of those among regular recruits who resigned within three years of hire

*14 Includes turnover due to other than personal reasons

Equal Opportunity and Diversity

(As of fiscal years ended March 31)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Number of managers　(Non-consolidated)
(of which, number of general managers)		 person 4,391
(1,318)		 4,471
(1,403)		 4,549
(1,454)		 4,579
(1,489)		 4,545
(1,471)
male 4,189
(1,306)		 4,244
(1,386)		 4,306
(1,434)		 4,318
(1,462)		 4,274
(1,443)
female 202(12) 227(17) 243(20) 261(27) 271(28)
KPIRatio of women in managerial positions
(section manager level or above)
(Non-consolidated)		 % 4.6 5.1 5.3 5.7 6.0
Number of managers
(Domestic group companies)
(of which, employees seconded
from Obayashi Corporation)		 person - - 1,024(98) 1,120(89) 1,125(80)
of which, number of
general managers and above		 - - 265(53) 286(52) 266(51)
male - - 959(82) 1,053(78) 1,035(70)
of which, number of
general managers and above		 - - 258(50) 277(49) 258(50)
female - - 65(16) 77(11) 90(10)
of which, number of
general managers and above		 - - 7(3) 9(3) 8(1)
Ratio of women in managerial positions
(section manager level or above)
(Domestic group companies)		 - - 6.3 5.7 8.0
Number of Directors and officers
(of which, number of executive officers)		 71(54) 69(52) 70(53) 70(54) 71(57)
male 69(54) 67(52) 67(53) 67(54) 68(56)
female 2(0) 2(0) 3(0) 3(0) 3(1)
Number of Directors and officers
(Domestic group companies)
(of which, employees seconded from Obayashi)		 - 380(287) 397(286) 418(300) 442(320)
male - 379(286) 394(285) 415(300) 439(319)
female - 1(1) 3(1) 3(0) 3(1)
KPIRatio of female engineers % 9.8 10.1 10.4 11.1 11.4
Number of foreign national employees person 3,309 3,367 3,440 3,576 4,512
Obayashi
(of which, number of manager)		 25(4) 39(5) 41(7) 46(8) 50(8)
Group Companies 3,284 3,328 3,399 3,530 4,462
Number of mid-career employees
(Non-consolidated)
(of which, number of manager)		 711(466) 750(494) 798(521) 868(561) 946(582)
Ratio of mid-career employees
in managerial positions		 % 65.5 65.9 65.3 64.6 61.5
Ratio of mid-career employees
to total managerial positions
(Non-consolidated)		 10.4 11.0 11.4 12.3 12.8
Ratio of foreign national employees
in managerial positions		 16.0 12.8 17.1 17.4 16.0
Ratio of foreign national employees
to total managerial positions
(Non-consolidated)		 0.1 0.1 0.2 0.2 0.2
Number of people with disabilities person 238 239 246 279 285
KPIRatio of people with disabilities % 2.35 2.32 2.35 2.62 2.62
Number of employees rehired
after retirement		 person 670 725 735 770 834
Ratio of rehired employees (*15) % 91.3 95.3 82.9 93.1 90.9

*15 Applicant rehiring rate is 100%

Work-life Balance

(As of fiscal years ended March 31)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Ratio of employees who took
their annual paid vacation		 % 56.0 46.7 51.7 55.4 52.9
Yearly average day of yearly
paid vacation days taken		 day 11.1 9.3 10.3 11.0 10.5
Total working hours per employee hours/year 2,218.1 2,211.2 2,164.3 2,128.5 2,089.5
Average monthly overtime per person hours/month 39.0 41.8 37.5 35.0 32.8
KPIRatio of practice of closing
construction sites eight days
out of every four-week period		 % 28.5 38.2 46.6 55.2 67.6
Number of employees
taking childcare leave		 person 56 51 62 61 80
On leave (*16) % 14.6 13.1 16.8 17.2 21.3
Who returned to work (*17) 100 100 100 98.1 98.8
male person 8 8 9 16 30
On leave % 2.4 2.3 2.8 5.2 9.2
Who returned to work 100 100 100 100 96.6
female person 48 43 53 45 50
On leave % 100 100 100 97.8 100
Who returned to work 100 100 100 97.8 100
Number of eligible male employees taking
leave for the purpose of childcare		 person 207 223 248 291 328
Number of eligible male employees taking
childcare leave or other leave for
the purpose of childcare		 person 215 231 257 293 333
KPIRatio of eligible male employees
taking childcare leave or other leave
for the purpose of childcare		 % 63.8 67.0 81.3 94.8 102.1
Average number of days of childcare
leave taken by males		 day 90 82 66 99 90
Number of employees taking
short working hours for childcare		 person 141 141 137 125 133
Number of employees taking
short working hours for nursing leave		 0 1 1 1 3
Number of employees taking
short working hours for
people with disabilities		 - - - 1 2
Number of employees taking
nursing leave (*18)		 27 27 41 54 59
Number of employees taking
nursing-care leave (*19)		 18 29 34 51 46
Number of employees taking
leave for volunteer activities		 2 6 3 3 3
Number of employees taking
maternity leave		 59 53 85 88 89
Number of employees taking
spouse childcare leave		 197 201 214 247 285
Number of employees taking
child rearing leave		 59 58 86 91 90
Number of employees taking
child rearing continuous leave		 4 17 19 18 31
Number of labor union members 6,800 6,869 6,975 7,134 7,241
Ratio of labor union membership
among all employees		 % 76.3 76.1 76.4 77.1 77.1
Ratio of employees completing
stress assessment		 94.8 94.2 95.6 96.5 94.6
Ratio of employees undergoing
annual health checkups		 97.7 98.5 98.7 98.3 98.7
Ratio of employees with long work
hours recieved face-to-face
guidance by a physician		 55.3 64.3 69.9 68.1 71.9
Ratio of employees with long work
hours received interview		 91.1 90.0 99.4 95.1 96.8
Ratio of employees received
Influenza vaccination		 49.6 42.1 33.3 40.2 41.6
Total number of participant in events
and trainings to promote
physical and mental health		 person 6 1 3 8 4
KPIRatio of employees requiring
follow-up health checkup		 % 38.8 38.7 38.6 35.0 35.6
Ratio of employees smoking 22.9 21.6 21.0 20.8 20.5
Ratio of employees Ratio of employees
who met the metabolic syndrome criteria		 12.4 12.8 12.5 13.0 12.6
Ratio of employees wRatio of employees with
a predisposition to metabolic syndrome		 14.7 14.7 15.2 14.5 14.6
Total number of participant in events and trainings
to promote physical and mental health		 person 1,333 1,289 1,251 1,191 1,162

*16 Number of employees taking childcare leave / Number of babies born within the fiscal year

*17 Number of employees who actually returned to work

*18 Other than legal nursing leave days and nursing-care leave days, employees benefit from their accumulated vacation day carryovers

*19 Partners can take a leave when their spouse is giving a birth
　 Note that we also have leave for public duty, marriage, death in the family, menstruation, paid vacation days for employees working at construction sites, vacations when transferring to other work sites, vacation days awarded to 12th, 22th, 32nd year continuous work employees, and special leaves.

Career Management

(As of fiscal years ended March 31)

Unit FY2020 FY2021 FY2022 FY2023 FY2024
Hours of employee training per person hours/year 11.0 16.4 17.7 32.5 43.0
Costs of employee training per person yen/year 40,000 47,000 44,000 62,815 56,954
Number of global leadership training
program participants		 person 35 43 43 42 46
Number of level-specific training
program participants		 1,333 1,409 1,265 1,313 1,240
Number of level-specific training
program participants		 - - - 57,254 62,754
Ratio of employees who participated
human rights awareness training		 % 100 100 100 100 100
Number of DX training program
participants		 person - - 2,492 2,736 2,658
Hours of employee DX training per person hours/year - - 4 4 3
Number of DX-related certifications
obtained		 person - - 182 178 123
IT Passport - - - 142 75
Data Scientist Certification - - - 14 16
Deep learning for General - - - 22 32

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Health＆Safety

Unit FY2020 FY2021 FY2022 FY2023 FY2024
KPINumber of fatal accidents
(include skilled workers
on construction sites)		 cases 2 3 2 3 2
Number of employee fatalities person 0 0 0 0 0
of which, contract employees 0 0 0 0 0
Number of fatalities in subcontractors 2 3 2 3 2
Accident frequency rate (*20)
(includes skilled workers and employees)		 - 0.33 0.35 0.43 0.43 0.45
Accident frequency rate (employees) 0.00 0.06 0.00 0.00 0.06
Severity rate (*21)
(includes skilled workers and employees)		 0.23 0.31 0.19 0.24 0.17
Severity rate (skilled workers) 0.39 0.41 0.52 0.47 0.20
Number of accidents resulting
in four ore more lost workdays		 cases 30 34 40 45 46

*20 Number of accidental labor deaths and injuries recorded for every 1 million labor hours

*21 Number of work days lost to workplace accidents recorded for every 1,000 labor hours

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