Environment

Data related to the environment for FY2025 (the fiscal year ended March 31, 2026) are preliminary result prior to obtaining third-party certification.

Decarbonization

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

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Total amount of emissions 1,000t-CO2 3,902.6 4,518.0 4,323.0 5,258.5 5,148.2
Scope1 280.4 234.8 246.7 271.1 258.4
Scope2 89.5 51.4 24.5 20.1 21.9
Scope3 3,532.7 4,231.8 4,051.8 4,967.3 4,867.9
1 Purchased goods / services 1,724.8 2,809.8 1,751.8 1,144.3 1,121.5
2 Capital goods 20.0 68.3 24.5 82.8 81.1
3 Fuel and energy related activities 47.4 33.4 38.9 45.7 44.8
4 Transportation and delivery
(upstream)		 11.4 15.8 13.4 21.8 21.3
5 Waste generated from business 198.1 117.4 84.9 110.2 108.0
6 Business trip 2.9 3.1 3.2 3.2 3.1
7 Employee commuting 27.0 26.4 29.8 31.1 30.4
8 Leased assets (upstream) 0.4 0.4 0.4 0.4 0.4
9 Transportation and delivery
(downstream)		 81.4 63.5 43.1 58.0 56.9
10 Processing of sold products 0.0 0.0 0.0 0.0 0.0
11 Use of sold products 1,345.2 973.4 1,996.9 3,374.4 3,306.9
12 End-of-life treatment of
sold products		 51.1 97.1 44.2 81.1 79.4
13 Leased assets (downstream) 23.0 23.3 20.7 14.4 14.1
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 FY2021 FY2022 FY2023 FY2024 FY2025
Total amount of emissions 1,000t-CO2 3,137.6 3,108.2 3,385.6 4,152.2 4,060.6
Scope1 150.7 132.9 137.3 129.8 119.4
Construction sites 149.0 131.7 136.4 129.5 119.1
Offices, etc. 1.7 1.2 0.9 0.3 0.3
Scope2 50.8 12.7 3.3 0.7 0.0
Construction sites 41.7 10.9 0.0 0.0 0.0
Offices, etc. 9.2 1.8 3.3 0.7 0.0
Scope3 2,936.0 2,962.5 3,245.0 4,021.7 3,941.2
1 Purchased goods / services 1,330.3 1,737.3 1,251.0 756.6 741.4
2 Capital goods 12.3 41.1 14.4 48.9 47.9
3 Fuel and energy related activities 29.0 20.9 18.1 20.2 19.8
4 Transportation and delivery
(upstream)		 8.8 10.6 8.6 6.2 6.1
5 Waste generated from business 191.2 112.6 77.5 103.5 101.5
6 Business trip 1.8 1.8 1.9 1.9 1.8
7 Employee commuting 18.8 18.2 20.2 22.5 22.0
8 Leased assets (upstream) 0.2 0.3 0.2 0.2 0.2
9 Transportation and delivery
(downstream)		 71.0 58.1 42.5 52.0 51.0
10 Processing of sold products 0.0 0.0 0.0 0.0 0.0
11 Use of sold products 1,212.3 855.1 1,758.8 2,924.6 2,866.1
12 End-of-life treatment of
sold products		 51.1 97.1 44.2 81.1 79.4
13 Leased assets (downstream) 9.2 9.5 7.6 4.0 3.9
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 FY2021 FY2022 FY2023 FY2024 FY2025
CO2 Emissions at Construction Sites
Total amount of CO2 emissions 1,000t-CO2 191 143 136 130 119
Amount of emissions per
completed work		 t-CO2/
billions of yen		 140 110 90 80 80
CO2 emissions reduction rate
(vs. FY2019)		 % -1.4 24.2 27.0 36.5 25.2
Composition of CO2 Emissions Sources at Construction Sites
Electric Power % 22.1 24.1 24.5 26.7 -
Diesel fuel 75.6 74.6 74.9 72.9 -
Material/ waste transport 22.4 25.8 25.8 26.5 -
Drilling machinery 22.8 20.4 20.8 19.2 -
Other construction machinery 30.4 28.4 28.3 27.2 -
Kerosene 2.3 1.3 0.6 0.4 -

Designed & Constructed Buildings (Non-consolidated)

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Total area of designed buildings 1,000m³ 1,127 1,065 733 601 503
KPIRatio of ZEB design and
build projects (*3)		 cases - - - 55 69
KPINumber of ZEB certified design and
build projects (*4)		 6 8 12 9 15
Number of orders received for projects
equivalent to ZEB (*5)		 - 9 10 12 32
Less than 300m² - 1 1 5 14
More than 300m² but less than 2,000m² - 1 1 3 8
More than 2,000m² - 7 8 4 10
Number of LEED certifications obtained 0 1 1 0 1
Number of CASBEE A ranks or higher 10 19 13 11 15
Number of orders received forwooden
structure and interior construction projects (*6)		 4 7 5 6 12
Quantity of timber used in wooden
structure and interior construction projects (*6)		 m³ 1,664 21,219 555 1,708 1,901
CO2 emission reductions during operation (*7) 1,000t-CO2
/year		 22 16 12 6.7 14
CO2 emission reduction rate during operation (*7) % 32.3 26.0 32.7 41.0 44.0

*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 FY2021 FY2022 FY2023 FY2024 FY2025
CO2 emissions 1,000t-CO2 5.5 4.6 4.2 1.0 0.3
Electric power consumption kWh/person 1,063 963 913 1,544 -

Resource Circulation

Water Consumption(Consolidated)

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Water withdrawal 1,000m³ 1,691 1,252 5,811 4,499 4,398
Water supply 1,691 1,252 1,191 1,360 1,326
Well water - - 16 36 35
Industrial water - - 842 779 760
Others - - 3,762 2,324 2,277
Water discharge - - 3,682 3,229 3,157
Sewerage - - 2,025 1,673 1,632
On-site circulating water - - 1,634 1,546 1,515
River discharge, etc. - - 23 10 10

Waste Emissions(Consolidated)

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Total amount of waste emissions 1,000t 3,274 2,517 2,161 2,469 -
Obayashi 2,976 2,246 1,845 2,124 -
Construction sites 2,974 2,245 1,844 2,123 2,708
Offices, etc. 2.0 1.5 1.2 1.2 -
Group companies (domestic only) 298 271 316 345 -

Construction Waste Emissions(Non-consolidated)

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Amount of Construction Waste Emission, Final Disposal and Recycling Rate (Excluding construction sludge)
Construction waste emissions 1,000t 1,689 1,166 1,277 1,141 1,150
New building construction 206 235 229 177 255
Demolition 1,483 931 1,048 963 895
Final disposal 41 43 55 44 57
Recycled amount 1,648 1,122 1,223 1,096 1,093
Recycling rate % 97.5 96.3 95.7 96.1 95.0
Breakdown of Waste Emissions by Type
Construction waste emissions 1,000t 1,689 1,166 1,277 1,141 1,150
Concrete debris 1,195 757 847 746 769
Asphalt and
concrete debris		 186 125 157 142 117
Wood scraps 55 48 35 27 30
Plastic waste 8 7 9 7 6
Mixed waste 42 50 57 45 46
Other sorted waste 203 179 172 173 182
Construction sludge / Surplus soil from construction
Construction sludge 1,000t 1,243 1,055 533 919 1,455
Reuse / reduction 1,237 1,051 506 904 1,404
Final disposal 6 4 27 16 50
Surplus soil from construction 1,000m³ 426 646 586 718 544
Reuse / reduction 426 646 586 718 544
Final disposal 0 0 0 0 0

Construction Waste and Construction Sludge Disposal / Recycling Ratio by Type

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Concrete debrisFinal disposal % 0.0 0.0 0.1 0.0 0.0
Reduction 0.1 0.1 0.0 0.1 0.1
Recycle and reuse 99.9 99.9 99.9 99.9 99.9
Asphalt and
Concrete debris		Final disposal 0.0 0.1 0.0 0.1 0.0
Reduction 0.8 0.0 0.0 0.0 0.0
Recycle and reuse 99.2 99.9 100.0 99.9 100.0
Wood scrapsFinal disposal 0.4 0.5 0.9 1.0 0.7
Reduction 1.8 0.8 8.3 13.1 6.0
Recycle and reuse 97.8 98.7 90.8 85.9 93.3
Plastic wasteFinal disposal 22.0 24.8 29.3 23.7 21.8
Reduction 5.3 7.0 28.3 27.9 22.0
Recycle and reuse 72.7 68.2 42.4 48.4 56.2
Mixed wasteFinal disposal 23.0 26.2 34.3 23.8 24.8
Reduction 6.4 5.7 9.1 10.0 6.5
Recycle and reuse 70.6 68.1 56.6 66.2 68.7
Other sorted wasteFinal disposal 14.6 15.6 18.4 18.1 24.1
Reduction 0.6 0.5 0.7 0.7 0.3
Recycle and reuse 84.8 83.9 80.9 81.2 75.6
Construction sludgeFinal disposal 0.5 0.4 5.1 1.7 3.5
Reduction 18.5 16.5 14.5 13.1 13.8
Recycle and reuse 81.0 83.1 80.4 85.2 82.7

General Waste Emissions

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Total amount of waste emissions kg/person 67 51 47 33 -

Hazardous Waste

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Total amount of waste emissions t 2,307 5,475 5,826 3,761 15,609
Asbestos Processed 2,105 5,253 4,432 3,344 14,672
Other specially controlled
industrial waste disposal		 202 222 1,394 418 938

Emissions Reducing Management

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Electronic manifests sheets usage rate % 98.1 98.0 98.1 98.1 -

Energy

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Energy consumption TJ (*8) 3,223 3,060 3,102 2,902 2,845
Construction sites 3,096 2,927 2,967 2,783 2,728
Offices 127 133 135 119 117
Electricity consumption MWh 108,079 111,722 111,864 117,667 115,313
Construction sites 95,980 100,102 100,151 105,920 103,801
Offices 12,099 11,620 11,713 11,747 11,512
Renewable energy consumption 822 63,084 111,864 117,667 115,313
Diesel oil consumption 1,000kl 55 50 52 49 48
City gas consumption 1,000m³ 90 85 88 74 73
Kerosene consumption 1,000kl 2 1 0 0.3 0.3
Liquefied petroleum gas (LPG)
consumption		 1,000m³ 0 2 2 2 2

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

Major Construction Materials

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Steal beam 1,000t 247 402 219 128 143
Rebar 244 234 182 148 105
Ready-mixed concrete 4,065 4,518 4,549 3,557 2,742
CleanCrete 216 56 77 53 290
blast-furnace concrete 410 338 283 302 69
Cement 184 178 147 50 211
blast-furnace cement 58 74 116 0.2 145.6

Air Pollutant

Unit FY2021 FY2022 FY2023 FY2024 FY2025
SOX emissions t 180 169 173 168 164
Construction sites 176 165 169 164 -
Offices, etc. 4 4 4 4 -
NOX emissions 1,050 968 993 953 933
Construction sites 1,040 958 983 943 -
Offices, etc. 10 10 10 10 -

Chemical Substances Management

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Amount of Consumption of Substances
Subject to the PRTR Law (*9)		 kg 992 580 823 794 921
Xylene 274 147 166 150 171
Toluene 136 57 83 52 53
Ethylbenzene 23 65 74 30 70
Trimethylbenzene 146 88 325 324 419
Others 413 223 175 237 208
CFC and Halon Gases Collected
and Processed (*10)		 t 12.9 17.1 6.0 8.8 10.4
CFC gas 10.2 9.5 6.0 7.2 9.9
Halon gas 2.7 7.6 0.0 1.6 0.5

*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 2.3t and the amount of disposed CFC gas and Halon gas was 8.1t in FY2026.3

Promoting Renewable Energy Businesses

Unit FY2021 FY2022 FY2023 FY2024 FY2025
KPIStable annual electricity generation from
renewable energy business		 MWh 306,069 540,279 698,373 663,759 1,013,467

Environmental Compliance

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Violations of environmental laws (*11) cases 4 1 1 3 -
Fines 0 0 0 0 -
Total monetary value of fines yen 0 0 0 0 -
Others (compensation payment) cases 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 FY2021 FY2022 FY2023 FY2024 FY2025
Ratio of nature symbiosis-related
expenses to total R&D expenses		 % - 13.2 24.5 28.8 27.5

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

Construction Business [Japan]
Obayashi Road Corporation, Oak Setsubi Corporation,
Obayashi Facilities, Cypress Sunadaya, Naigai Technos Corporation,
Tokken Mechatronics Corporation,Soma Environmental Service Corporation,
ATELIER G&B Co., and Obayashi Design Partners
[Other Countries]
Webcor, L.P., J.E.Roberts-Obayashi Corp., E.W. Howell Co., LLC,
Kraemer North America, LLC, MWH Management Inc, and Kenaidan Group LTD.
Thai Obayashi Corporation Limited, Obayashi Singapore Private Limited,
Taiwan Obayashi Corporation, Obayashi Vietnam Corporation,
and PT Jaya Obayashi
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 FY2021 FY2022 FY2023 FY2024 FY2025
KPINumber of serious quality defects case - 2 1 0 1
KPIRatio of workers with important construction
management credentials (*12)		 % 81.9 82.7 81.3 82.1 82.1
Customer satisfaction rate % 95.9 97.5 97.1 96.5 96.7

*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 FY2021 FY2022 FY2023 FY2024 FY2025
Number of employees (Consolidated) person 15,470 15,876 16,986 17,305 18,031
Number of employees (Non-consolidated) 9,026 9,134 9,253 9,386 9,472
male 7,542 7,599 7,642 7,714 7,736
female 1,484 1,535 1,611 1,672 1,736
Number of employees by age
(Non-consolidated)		 Under
30years old		 1,610 1,630 1,704 1,770 1,937
30-39years old 2,239 2,295 2,309 2,376 2,401
40-49years old 1,731 1,735 1,775 1,803 1,831
50-59years old 3,334 3,378 3,379 3,326 3,191
Over
60years old		 112 96 86 111 112
Number of Group Company Employees 6,444 6,742 7,733 7,919 8,559
Domestic group companies 3,129 3,343 3,450 3,457 3,529
male 2,512 2,704 2,795 2,755 2,792
female 617 639 655 702 737
Overseas Group Companies 3,315 3,399 4,283 4,462 5,030
Average age of employees age 42.6 42.7 42.6 42.4 42.0
male 42.6 42.6 42.6 42.4 42.0
female 42.9 42.9 42.4 42.1 41.6
Average years of employment year 17.0 17.0 16.7 16.4 15.9
male 16.9 16.9 16.8 16.5 16.0
female 17.5 17.2 16.4 15.8 15.2
Number of new employees (Obayashi) (*13) person 304 313 352 359 413
male 241 247 258 278 318
female 63 66 94 81 95
Number of new employees
(Domestic Group Companies)		 117 134 135 148 146
male 88 102 106 107 102
female 29 32 29 41 44
Number of mid-career recruits
(Non-consolidated)		 76 102 101 98 73
male 65 87 87 82 67
female 11 15 14 16 6
Number of mid-career recruits
(Domestic Group Companies)		 126 123 182 155 225
male 98 103 149 121 170
female 28 20 33 34 55
Number of people hired through
the alumni recruitment system		 - - - 0 2
male - - - 0 0
female - - - 0 2
Number of people hired through
the referal recruitment system		 - - - 4 10
male - - - 4 10
female - - - 0 0
Number of contract employees 926 938 1,026 1,081 1,177
Average annual salary yen 10,249,743 10,315,515 10,660,340 11,404,238 12,393,648
male 10,816,805 10,899,824 11,273,689 12,040,904 13,081,566
female 7,158,966 7,239,430 7,527,143 8,248,985 9,143,450
Ratio of female wages to male wages % 64.6 65.2 65.8 67.1 69.3
Regular employees 66.2 66.4 66.8 68.2 69.9
Employees
who are not
restricted to
a specific
work location		 72.5 77.4 70.0 71.2 73.4
Empolyees
with limited
work locations		 78.6 79.2 80.0 82.0 83.2
Non-regular employees 50.6 53.7 55.3 55.5 61.5
Statutory benefit fees millions
of yen		 14,473 14,966 15,721 16,675 18,518
per person yen 1,431,235 1,459,526 1,503,046 1,564,481 1,713,145
Number of turnover of regular recruits (*14) person 108 160 156 141 133
male 89 126 127 110 110
female 19 34 29 31 23
Turnover ratio of regular recruits % 1.2 1.7 1.6 1.5 1.4
Ratio of turnover of new employees
of three years ago who quit
the Company within three years		 6.9 5.0 6.9 5.4 4.3

*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 FY2021 FY2022 FY2023 FY2024 FY2025
Number of managers (Non-consolidated)
(of which, number of general managers)		 person 4,471
(1,403)		 4,549
(1,454)		 4,579
(1,489)		 4,545
(1,471)		 3,805
(1,353)
male 4,244
(1,386)		 4,306
(1,434)		 4,318
(1,462)		 4,274
(1,443)		 3,542
(1,321)
female 227(17) 243(20) 261(27) 271(28) 263(32)
KPIRatio of women in managerial positions
(section manager level or above)
(Non-consolidated)		 % 5.1 5.3 5.7 6.0 6.9
Number of managers
(Domestic group companies)
(of which, employees seconded
from Obayashi Corporation)		 person - 1,024(98) 1,120(89) 1,125(80) 1,198（97）
of which, number of
general managers and above		 - 265(53) 286(52) 266(51) 294(67)
male - 959(82) 1,053(78) 1,035(70) 1,088(81)
of which, number of
general managers and above		 - 258(50) 277(49) 258(50) 282(64)
female - 65(16) 77(11) 90(10) 110(16)
of which, number of
general managers and above		 - 7(3) 9(3) 8(1) 12(3)
Ratio of women in managerial positions
(section manager level or above)
(Domestic group companies)		 - 6.3 5.7 8.0 9.2
Number of Directors and officers
(of which, number of executive officers)		 69(52) 70(53) 70(54) 71(57) 76(62)
male 67(52) 67(53) 67(54) 68(56) 73(61)
female 2(0) 3(0) 3(0) 3(1) 3(1)
Number of Directors and officers
(Domestic group companies)
(of which, employees seconded from Obayashi)		 380(287) 397(286) 418(300) 442(320) 558(330)
male 379(286) 394(285) 415(300) 439(319) 453(327)
female 1(1) 3(1) 3(0) 3(1) 8(3)
KPIRatio of female engineers % 10.1 10.4 11.1 11.4 11.9
Number of foreign national employees person 3,367 3,440 3,576 4,512 5,079
Obayashi
(of which, number of manager)		 39(5) 41(7) 46(8) 50(8) 49(6)
Group Companies 3,328 3,399 3,530 4,462 5,030
Number of mid-career employees
(Non-consolidated)
(of which, number of manager)		 750(494) 798(521) 868(561) 946(582) 988(454)
Ratio of mid-career employees
in managerial positions		 % 65.9 65.3 64.6 61.5 46.0
Ratio of mid-career employees
to total managerial positions
(Non-consolidated)		 11.0 11.4 12.3 12.8 11.9
Ratio of foreign national employees
in managerial positions		 12.8 17.1 17.4 16.0 12.2
Ratio of foreign national employees
to total managerial positions
(Non-consolidated)		 0.1 0.2 0.2 0.2 0.2
Number of people with disabilities person 239 246 279 285 298
KPIRatio of people with disabilities % 2.32 2.35 2.62 2.62 2.70
Number of employees rehired
after retirement		 person 725 735 770 834 955
Ratio of rehired employees (*15) % 95.3 82.9 93.1 90.9 94.1

*15 Applicant rehiring rate is 100%

Work-life Balance

(As of fiscal years ended March 31)

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Ratio of employees who took
their annual paid vacation		 % 46.7 51.7 55.4 52.9 64.8
Yearly average day of yearly
paid vacation days taken		 day 9.3 10.3 11.0 10.5 12.9
Total working hours per employee hours/year 2,211.2 2,164.3 2,128.5 2,089.5 2,071.6
Average monthly overtime per person hours/month 41.8 37.5 35.0 32.8 32.1
KPIRatio of practice of closing
construction sites eight days
out of every four-week period		 % 38.2 46.6 55.2 67.6 69.7
Number of employees
taking childcare leave		 person 51 62 61 80 69
On leave (*16) % 13.1 16.8 17.2 21.3 24.3
Who returned to work (*17) 100 100 98.1 98.8 99.0
male person 8 9 16 30 41
On leave % 2.3 2.8 5.2 9.2 11.8
Who returned to work 100 100 100 96.6 100
female person 43 53 45 50 59
On leave % 100 100 97.8 100 98.3
Who returned to work 100 100 97.8 100 98.3
Number of eligible male employees taking
leave for the purpose of childcare		 person 223 248 291 328 404
Number of eligible male employees taking
childcare leave or other leave for
the purpose of childcare		 person 231 257 293 333 406
KPIRatio of eligible male employees
taking childcare leave or other leave
for the purpose of childcare		 % 67.0 81.3 94.8 102.1 116.7
Average number of days of childcare
leave taken by males		 day 82 66 99 90 110
Number of employees taking
short working hours for childcare		 person 141 137 125 133 142
Number of employees taking
short working hours for nursing leave		 1 1 1 3 0
Number of employees taking
short working hours for
people with disabilities		 - - 1 2 2
Number of employees taking
nursing leave (*18)		 27 41 54 59 19
Number of employees taking
nursing-care leave (*18)		 29 34 51 46 60
Number of employees taking
leave for volunteer activities		 6 3 3 3 9
Number of employees taking
maternity leave		 43 53 46 50 59
Number of employees taking
spouse childcare leave (*19)		 201 214 247 285 320
Number of employees taking
child rearing leave		 58 86 91 90 157
Number of employees taking
child rearing continuous leave		 17 19 18 31 -
Number of labor union members 6,869 6,975 7,134 7,241 7,375
Ratio of labor union membership
among all employees		 % 76.1 76.4 77.1 77.1 77.9
Ratio of employees completing
stress assessment		 94.2 95.6 96.5 94.6 96.5
Ratio of employees undergoing
annual health checkups		 98.5 98.7 98.3 98.7 98.6
Ratio of employees with long work
hours recieved face-to-face
guidance by a physician		 64.3 69.9 68.1 71.9 74.0
Ratio of employees with long work
hours received interview		 90.0 99.4 95.1 96.8 98.6
Ratio of employees received
Influenza vaccination		 42.1 33.3 40.2 41.6 42.3
Number of employees who used a smoking cessation clinic person 1 3 8 4 4
KPIRatio of employees requiring
follow-up health checkup		 % 38.7 38.6 35.0 35.6 34.6
Ratio of employees smoking 21.6 21.0 20.8 20.5 20.9
Ratio of employees
who met the metabolic syndrome criteria		 12.8 12.5 13.0 12.6 13.0
Ratio of employees with
a predisposition to metabolic syndrome		 14.7 15.2 14.5 14.6 14.3
Absenteeism Sick leave rate(*20) 0.25 0.36 0.37 0.49 0.43
Presenteeism Overall Assessment of Work Functioning (WFun)(*21) - - - - A A
Total number of participant in events and trainings to promote physical and mental health person 1,289 1,251 1,191 1,162 1,235

*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.

*20 Percentage of sick leave among regular employees

*21 WFun (Work Functioning Impairment Scale) is an indicator used to measure the degree of work functioning impairment due to health problems

Distribution of Work Function Assessment

FY2025

（1）The ratio of no issues is 50% or higher

51%

○

A

（2）The proportion of moderate or higher
severity is 20% or less

13%

○

（3）The altitude ratio is 10% or less

2%

○
  • Grade A:
    Meets all of (1) to (3)
  • Grade B:
    Meets two of the following criteria (1) to (3)
  • Grade C:
    Fulfills one of (1) to (3)
  • Grade D:
    Does not meet any of (1) to (3)

Career Management

(As of fiscal years ended March 31)

Unit FY2021 FY2022 FY2023 FY2024 FY2025
Hours of employee training per person hours/year 16.4 17.7 32.5 43.0 43.0
Costs of employee training per person yen/year 47,000 44,000 62,815 56,954 60,796
Number of global leadership training
program participants		 person 43 43 42 46 50
Number of level-specific training
program participants		 1,409 1,265 1,313 1,240 1,320
Number of level-specific training
program participants		 - - 57,254 62,754 74,014
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 3,127
Hours of employee DX training per person hours/year - 4 4 3 3
Number of DX-related certifications
obtained		 person - 182 178 123 116
IT Passport - - 142 75 72
Data Scientist Certification - - 14 16 8
Deep learning for General - - 22 32 36

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Health＆Safety

Unit FY2021 FY2022 FY2023 FY2024 FY2025
KPINumber of fatal accidents
(include skilled workers
on construction sites)		 cases 3 2 3 2 1
Number of employee fatalities person 0 0 0 0 0
of which, contract employees 0 0 0 0 0
Number of fatalities in subcontractors 3 2 3 2 1
Accident frequency rate (*22)
(includes skilled workers and employees)		 - 0.35 0.43 0.43 0.46 0.51
Accident frequency rate (employees) 0.06 0.00 0.00 0.06 0.00
Accident frequency rate (skilled workers) 0.41 0.52 0.47 0.53 0.64
Severity rate (*23)
(includes skilled workers and employees)		 0.31 0.19 0.24 0.17 0.12
Number of accidents resulting
in four ore more lost workdays		 cases 34 40 45 47 43

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

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

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