June 28,2024

Obayashi Sustainability Bond Report(Obayashi Corporation's 24th Series of Unsecured Bonds)
１

Status of allocation of proceeds raised（from June 2019 to Mar 2024）
The funds raised by Obayashi Sustainability Bond have already been fully allocated as shown in the table below, and there
is no unallocated balance.
（millions of yen）
SectionAmountProceeds raised (Excluding fees for issuing)

9,943

Proceeds used *１

9,943

Proceeds to be used
*１－

Proceeds used（fully allocated by FY2023.3）

Green Bond

Social Bond
SDGs

Principles

Principles

Proceeds

ProceedsProceeds

Proceeds

Proceeds

Proceeds

used inused inused inused inused into be

FY2020.3

FY2021.3

FY2022.3

FY2023.3

FY2024.3

used

400

400

－

－－－

－

5,000－

340

4,619

41－

－

1,000

211

332

371

86－

－

400

400

－

－

－

－

－

3,143－

2,180

963

－

－

－

9,943

1,011

2,852

5,953

127

－

－

Proceeds
Projects nameContribution

2018 category（millions of yen）

raised2018 category
Obayashi Technical

PromotingResearch InstituteWell-being

ZEB

residence andObayashi

work environment

Next-Generation

Green building

Training Facility
Subsidy for certifiedexcellent site－
supervisors andexcellent operators

Providing
education andvocational training

Operation of－

Obayashi Rin-yu-kai
Vocational School

R&D for hydrogen－production plant(partially refinance)
Otsuki Biomass

Renewable energy－Power Plant
Kamikita Ogawara－

Onshore WindPower Plant

Total

2

Environmental improvement impact(1)Green building
a Obayashi Technical Research Institute ZEB
・Implemented ZEB in FY2014.3, and certified as BELS certification system’s 5 stars (the highest ranked) and ZEB
rating in Mar 2019.
bObayashi Next-Generation Training Facility・Earned BELS certification system’s 5 stars (the highest ranked) and ZEB Ready rating Nov 2021.
・Earned gold the LEED in Oct 2022.
・Earned FSC® Project Certification (FSC-P001889) in Apr 2022.

(2)Renewable energy
aR&D for hydrogen production plant
・hydrogen production plant－output 22.5kg-H2/hour by 1.5 MW geothermal power－was completed in Mar 2021,
and started producing hydrogen.

bBiomass power generation business and Wind power generation business
CO2 emission

Renewable energy generated/ will be
Projects nameOperation start

Output（MW）

reduction

generated（MWh）（t-CO 2）*2

FYFYFYFY

FY

FY

FY

FY

FY

FY

2020.32021.32022.32023.32024.32020.32021.32022.32023.32024.3*3

81,912

97,747

121,635

122.392*3

37,434

43,69356,87056,617

Dec 2018
Otsuki Biomass Power Plant

14.5

Kamikita Ogawara Wind FarmApril 2022

*2

20.4

CO2 emission reduction
Annual renewable energy generated（kWh）×Published CO2 emission coefficient（kg-CO2/kWh）（PublishedCO2 emission coefficient by the Ministry of the Environment, Japan）*3

Annual renewable energy generated is 78,291MWh and Published CO2 emission coefficient is 36,640t-CO2.
However since allocation of proceeds used started in FY2020, they are not subject to reporting.

３

Social impact(1)Promoting well-being residence and work environment
aObayashi Technical Research Institute ZEB
・WELL Certified™ at Gold Level on 21st Nov 2017 and Earned WELL Health-Safety Rating in Apr 2021.

b

Obayashi Next-Generation Training Facility
・Acquired CASBEE Wellness Office (S rank) in Oct 2022, WELL certification (Platinum) and WELL Health-Safety
Rating in Feb 2023.
・Adopted as a support project for the construction of pioneering buildings using CLT in Jun 2019.
・Adopted as a leading project for sustainable buildings (wooden leading type) in Jul 2019.

(2)Providing educational and vocational training.
aOperation of Obayashi Rin-yu-kai Vocational School
・74 students attended the training school in FY2020.3.
・44 students attended the training school in FY2021.3.
・51 students attended the training school in FY2022.3.
・60 students attended the training school in FY2023.3.
・66 students attended the training school in FY2024.3.

bSubsidy for certified excellent site supervisors and excellent operators
・Certification allowances for excellent site supervisors and excellent operators are paid to 456 construction workers
in FY2020.3.
・Certification allowances for excellent site supervisors and excellent operators are paid to 492 construction workers
in FY2021.3.
・Certification allowances for excellent site supervisors and excellent operators are paid to 497 construction workers
in FY2022.3.
・Certification allowances for excellent site supervisors and excellent operators are paid to 523 construction workers
in FY2023.3.
・Certification allowances for excellent site supervisors and excellent operators are paid to 561 construction workers
in FY2024.3.