Supplementary Materials for theSummary of Financial Reports
1Q, FYE June 30, 2022
November 15, 2021
Nippon Koei Co., Ltd.
IR Inquiries: Corporate Communication Office c-com@n-koei.co.jp
This presentation is provided for informational purposes only and is not intended to solicit any action. Presentation in thematerials (including forecasts of financial results) is based on credible information available at the time of publication andcertain assumptions Nippon Koei believes to be reasonable. Various factors may cause actual results to differ from the
projected numbers or other expectations implied or expressed in this presentation.

1

1Q Results for FYE June 30, 2022
Revenue increased in all the segments mainly due to the recovery in overseas projects. Deficits
peculiar to the first half were reduced by the profits in each stage.
(Millions of yen)

FYE21/6
1Q
Results

FYE22/6
1Q
Results

YoY Change
Amount%Orders27,08325,319-1,764

93.5%

Revenue

21,05323,9602,906

113.8%

Gross profit

5,796

6,418

621

110.7%

Operating profit-1,112

-320

792

-

Profit before tax-1,295

-209

1,086

-

Profit attributable to owners of parent-1,158

-264

893

-

*The Group has applied International Financial Reporting Standards (IFRS) from the year-end of the fiscal year ended June 30, 2021. The
figures for the previous consolidated first quarter are also disclosed based on IFRS.

 Orders received decreased year on year due to a reactionary decrease from the previous fiscal year when orders forlarge-scale projects were received in the energy business.
 Revenue increased in all the segments. It was strong especially due to the recovery in overseas projects in the
consulting business from the same period of the previous year when travel restrictions were imposed.
 Deficits usually peculiar to the first half of the year were reduced by strong overseas performance in the consulting
business and eliminating transient factors in the energy business.
2

Results by Business Segment(Millions of yen)

FYE21/6
1Q
Results

FYE22/6
1Q
Results■FYE21/6,1Q ■FYE22/6,1Q

YoY Change
AmountOrders%Orders27,08325,319-1,764

93.5%

Consulting Business

20,331

20,318-13

99.9%

Urban & Spatial
Development Business

2,910

2,868

-41

98.6%

Energy Business

3,804

2,133

-1,671

56.1%

37

-

-37

-

Revenue

21,05323,9602,906

113.8%

Consulting Business

13,002

14,8501,847

114.2%

Urban & Spatial
Development Business

4,489

5,002

512

111.4%

Energy Business

3,381

3,925

544

116.1%

Real Estate Leasing
and Other

180

181

1

100.9%-1,112

-320

792

-

Consulting Business

-956

-403

552

-

Urban & Spatial
Development Business

394

316

-77

80.3%

Energy Business

-107

260

367

-

Other

-443

-493

-50

-

Real Estate Leasing
and Other

Operating profit(Millions of yen)

20,331

20,3182,910 2,868

3,804 2,133

Consulting Urban & Spatial Development Business
Energy Business

Revenue
14,85013,002

4,489 5,002

Consulting

3,381 3,925

Urban & Spatial Development Business Energy Business

Operating profit

394

316

260
▲ 107

▲ 403
▲ 956
Consulting

Urban & Spatial

Energy Business

Development Business3

Overview by segment
Consulting Business•

Orders: About the same as the same period of the previous year because orders for some large-scale overseas projects were recorded in ayear different from the one when they should be originally recorded although local government projects were strong due to favorable market
conditions in Japan•

Revenue: Increased due to steady progress in orders received for projects in Japan and stronger overseas orders received than the same
period of the previous year when travel restrictions were imposed•

Operating profit: Deficits shrank in the entire consulting business due to the rise in overseas operation rates
Urban & Spatial Development Business•

Orders : Slightly decreased year on year due to the postponement of low-profitability projects at BDP in the UK•

Revenue : Increased due to the favorable progress of orders received in the previous fiscal year at BDP in the UK

Operating profit : Decreased due to an increase in general administrative expenses due to the transfer of some segments of projects inJapan and the reaction to the influence of COVID-19 at BDP*The actual exchange rate in Q1 of FYE June 30, 2022: ￡1=151.48 yen (assumed exchange rate for FYE June 30 2022: ￡1=151.65 yen)•

Energy Business•

Orders : Decreased year on year due to a reactionary decrease from the previous fiscal year when orders for multiple large-scale projects werereceived and (some) orders were recorded in a year different from the one when they should be originally recorded•

Revenue : Increased because the temporary extension of the construction period was resolved mainly in the engineering department and also
the projects in the production department progressed steadily•

Operating profit : Returned to the black because temporary construction loss allowances were eliminated and in-house production progressed
4Project introduction (Consulting Business / in Japan)
Comprehensive Road Management Project in Fuchu City, Tokyo
Orderer

Fuchu City Government in Tokyo

Overview ofthe project A public-private partnership project to improve civil services andimprove the efficiency of maintenance and management by utilizing
the know-how of private business operators by collectively
outsourcing multiple business activities such as pavement repair androadside tree pruning.
 By providing Manesus, a maintenance management support systemdeveloped by the Company, information is shared in real time
between the manager and the vendor to give support for efficientmaintenance and management.

Manesus screen image

 We provided more efficient and advanced maintenance management
while utilizing accumulated data.
Shizuoka Airport Runway End Safety Area (RESA) Expansion and Maintenance Project

Orderer
Overview ofthe project

Shizuoka Prefectural Government A plan to create new high embankments on the existingembankments in association with expansion andmaintenance in the Shizuoka Airport Runway End Safety
Area (RESA)
 We performed a construction implementation design andan embankment structure detail design for the RESA site,
and also conducted seismic performance verification
through seismic response analysis in order to cope withimminent large-scale earthquakes.

New high embankments
are created in association
with expansion
management

Image of expansion and maintenance in the
Runway End Safety Area (RESA)

5

Project introduction (Consulting Business / in Japan)
Chat with the site fromthe VR conference room

Utilization of digital technology for disaster prevention information sharing
Orderer
Overview ofthe project

Information is shared with thefield from within the VR
conference room

Infrastructure DX Promotion Office, Planning Department, Ministry ofLand, Infrastructure, Transport and Tourism Kyushu Regional
Development Bureau
 Examination and trial of measures to utilize digital technology toquickly and accurately share information at disaster sites
 3D data of the disaster site is created with omnidirectional (360degree) cameras, etc., and VR (virtual reality), etc. are used
 A record of the disaster site is made and information is shared via
the Internet in real time with multiple locations to utilize it fordisaster assessment and recovery method examination

 We proposed mechanisms and systems for promoting the spread of
digital technology and developing human resources, etc. in disaster
response
Investigation and examination for drawing up reconstruction plans for Tokyo
metropolitan sewerage facilities
OrdererTokyo Metropolitan Gov., Bureau of Sewerage

Overview ofthe project Although a large number of sewerage facilities developed after theperiod of high economic growth have been reconstructed, as more
and more facilities will reach their legal useful life (50 years), there isan urgent need to establish a strategic and systematic reconstruction
and maintenance technique We examined policies for reconstructing sewage pipes in eight wards(2nd phase) including Shinagawa Ward and Ota Ward from theviewpoints of status of facilities, economic efficiency, construction
capabilities, etc. and proposed priority of measures utilizing asset
management technique among others

VR conference room
VR meeting and disaster assessment / emergency
recovery support using 36 camera images■ Reconstruction
area

Source of the image: Tokyo Metropolitan Government Bureau of Sewerage website "Management Plan 2021”

6

Project introduction (Consulting Business / overseas)
Project to improve ability to mitigate sediment disaster risk in Ecuador
Orderer

JICA

Overview ofthe project Sediment disasters are one of the most serious natural disasters in Ecuador.
The city of Quito, the capital with a population of about 2 million, is
considered to be one of the most vulnerable cities to sediment disasters
 In this project, we observed topography and ground deformation using
satellite images, created hazard maps and their manuals and drew up land
use regulation standards
 We helped the Quito City government and the Geological and Energy
Research Institute (Instituto de Investigación Geológico y Energético: IIGE)
improve their ability to analyze and evaluate sediment disaster risks andconstruct an early warning framework

Preparatory investigation for advanced road traffic system implementation plansin Mombasa County, Kenya
JICA
Orderer
Overview of the
project

 In Mombasa, which is the gateway to the East African region, further
traffic congestion is expected due to the recent population increase as
well as development of the Mombasa Gate Bridge, the second Nyali
Bridge and the Mombasa Special Economic Zone, etc.
 In this research, in order to implement Japanese-style intelligent
transport systems (ITS) at major intersections in the city andimplement projects to facilitate traffic, we examined the contents andscale of implementation
 As it was necessary to locally establish the ITS operation andmaintenance management capabilities in order for this project toachieve sustainable results, we conducted a concrete examination of
measures for strengthening the local organizational structure andtechnology transfer at the same time7

Project introduction (Urban & Spatial Development Business)
Iwaki Smart Town Model District Promotion Project
OrdererIwaki City Government in Fukushima Prefecture

Overview ofthe project

A project to be proceeded with the co-creation of the public
and private sectors in order to develop a model to take thelead for Smart City realization to resolve the issues that new
towns and the entire city have and formation of urban
spaces with an eye on a post-corona society



The Company is supporting the formation of basic strategies(concepts of town development), examining and building acollaboration scheme between the local government andprivate business operators such as developers and smart
service providers, promoting public understanding andsupporting consensus-building■ Intended area

Source of the image: The second Iwaki Smart Town Model District Promotion Project meeting material

Renovation and decarbonization of Glasgow’s Queen Street
Station in the United Kingdom
Orderer

Network Rail

Overview ofthe project

For Scotland’s Railway, we created a newconcourse and renovated the station to help themaddress decarbonization and cope with theincreasing number of passengers

We renovated the historic station into a symbolicand modern landmark station as a gateway to
Glasgow

BDP, a group company of the Company, was incharge of architectural design, equipment design,
lighting, sound, graphics, human flow analysis
and green building evaluation8

Project introduction (Energy Business)
Nasuno Substations No. 3 and No. 4 transformer renewal work
Orderer

TEPCO Power Grid

Overview ofthe projectConstruction work to update the No. 3 and No. 4transformers (154 kV/66 kV) from 100 MVA to 200
MVA as an enhancement in association with therenewable energy power source connection project
invitation process in the northern and central areas ofTochigi Prefecture

The Company carried out transformer foundation workand electrical work

As of November 2021, No. 4 transformer foundation
work is underway

Olkaria-Lessos-Kisumu Transmission Lines Project, Kenya
Orderer
Overview ofthe project

Kenya Electricity Transmission Company Limited (KETRACO),Kenya
 A transmission line construction project to strengthen power
supply to the western and northern regions from the southern
Olkaria geothermal areaIt helps to reduce power transmission loss and promotes theuse of clean energy in order to ensure stable power supply toregions where tight power demand is expected and transmit
power with a higher voltage than beforeThe main scope is construction of new transmission lines (400kV: 228 km, 220 kV: 70 km, 132 kV: 9.0 km) and constructionof new substations (220/132/33 kV). The Company was incharge of design, bidding support and construction supervisionPower transmission started on one of the two transmission
lines in July 2021

400 kVtransmissionline

New substation

9

FYE June 2022 Forecast
No changes have been made to the forecast for the entire FYE June 2021 period.
Revenue and operating profit are expected to set new record highs year on year.
(Millions of yen)OrdersConsulting Business
Urban & Spatial Development Business
Energy Business

Revenue
Consulting Business
Urban & Spatial Development Business
Energy Business
Real Estate Leasing and Other

Operating profit
Consulting Business
Urban & Spatial Development Business
Energy Business
Real Estate Leasing and Other

Profit attributable to owners of parent

FYE 2021/6
Results
133,304
97,76921,457
13,991
117,859
80,09820,274
16,621
865
7,128
7,981
2,266
-1,061-2,0584,531

FYE 2022/6
Plan
130,000
95,00020,00015,000131,000
89,00021,00020,000
1,000
7,700
7,700
1,500
1,700
-3,2004,700

YoY Change
Amount-3,304-2,769-1,457
1,008
13,140
8,901
725
3,378
134
571
-281
-766
2,761
-1,141
169*Figures in three segments for FYE 21/6 are simple aggregations before intercompany eliminations.
*Please see page 12 for the method of segmentation into three segments and page 14 for the reference values for five segments.

％

97.5%
97.2%
93.2%
107.2%
111.1%
111.1%
103.6%
120.3%
115.6%
108.0%
96.5%
66.2%
103.7%
10

Appendix

11

Change of Business Segments (From FYE June 2022)
In order to further promote collaboration, we will change from the previous five business segments to three.

Up to FYE June 2021 (before the revision)
Segment

Major group companies

Domestic
Consulting

Tamano Consultants Co., Ltd.
Nippon Civic Consulting Engineers Co., Ltd.
El Koei Co., Ltd.

International
Consulting

Koei Research & Consulting Inc.
Nippon Koei Latin America-Caribbean Co., Ltd.
NIPPON KOEI LAC, INC.
NIPPON KOEI INDIA PVT. LTD.
NIPPON KOEI VIETNAM INTERNATIONAL CO.,LTD.
PHILKOEI INTERNATIONAL, INC.
PT. INDOKOEI INTERNATIONALMYANMAR KOEI INTERNATIONAL LTD.

Urban & Spatial
Development
FYE 21/6
Transfer of NK Urban
Development Dept.

Power
Engineering
EnergyBDP HOLDINGS LIMITEDBUILDING DESIGN PARTNERSHIP LIMITEDQUADRANGLE ARCHITECTS LIMITED
Kisho Kurokawa Architect & Associates

From FYE June 2022 (after the revision)
Segment

Major group companies

Consulting

Tamano Consultants Co., Ltd.
Nippon Civic Consulting Engineers Co., Ltd.
Transfer to Urban &EL Koei Co., Ltd.
Spatial Development in
Koei Research & Consulting Inc. FYE 23/6
Nippon Koei Latin America-Caribbean Co., Ltd.
NIPPON KOEI LAC, INC.
NIPPON KOEI INDIA PVT. LTD.
NIPPON KOEI VIETNAM INTERNATIONAL CO., LTD.
PHILKOEI INTERNATIONAL, INC.
PT. INDOKOEI INTERNATIONALMYANMAR KOEI INTERNATIONAL LTD.
PT. CIKAENGAN TIRTA ENERGI

Urban &
SpatialDevelopment

BDP HOLDINGS LIMITEDBUILDING DESIGN PARTNERSHIP LIMITEDQUADRANGLE ARCHITECTS LIMITED
Kisho Kurokawa Architect & Associates

Koei System Inc.
KOEI Energy Co., Ltd.
NIPPON KOEI ENERGY EUROPE B.V.
PT. CIKAENGAN TIRTA ENERGIIRONMONT HYDRO PTE. LTD

EnergyKoei System Inc.
KOEI Energy Co., Ltd.
NIPPON KOEI ENERGY EUROPE B.V.
IRONMONT HYDRO PTE. LTD
12

[Reference] FYE June 30, 2022 1Q Results for Each of the Five Business Segments(IFRS)(Millions of yen)OrdersDomestic Consulting
International Consulting
Power Engineering
Urban & Spatial Development
EnergyRevenue

Domestic Consulting
International Consulting
Power Engineering
Urban & Spatial Development
EnergyOther

Operating profit

Domestic Consulting
International Consulting
Power Engineering
Urban & Spatial Development
EnergyOther

FYE21/6 1Q
Results
27,083
16,662
3,669
3,769
2,910
34
21,053
8,614
4,388
3,192
4,489
189
180
-1,112
-967
9
-148
394
36
-437

FYE22/6 1Q
Results
25,31916,764
3,553
2,090
2,868
42
23,960
8,585
6,265
3,663
5,002
262
181
-320
-927
523
219
316
36
-489

*Since the business segments are reorganized into three segments from FYE June 2022, these are estimatedvalues calculated for the conventional five business segments for reference.

YoY Change
Amount-1,764101-115-1,679
-41
7
2,906
-29
1,877
471
512
73
1
792
40
514
367
-77
0
-52

%
93.5%
100.6%
96.9%
55.5%
98.6%
122.6%
113.8%
99.7%
142.8%
114.8%
111.4%
138.7%
100.9%
5649.1%
80.3%
100.1%
13

[Reference] FYE June 30, 2022 Forecast for Each of the Five Business Segments(IFRS)(Millions of yen)OrdersDomestic Consulting
International Consulting
Power Engineering
Urban & Spatial Development
EnergyRevenue

Domestic Consulting
International Consulting
Power Engineering
Urban & Spatial Development
EnergyReal Estate Leasing and Other

Operating profit

Domestic Consulting
International Consulting
Power Engineering
Urban & Spatial Development
EnergyReal Estate Leasing and OtherFYE 2021/6 Results

FYE 2022/6 Plan

133,304
62,04735,721
13,88021,457
111
117,859
55,34524,753
15,831
20,274
790
865
7,128
6,128
1,853
858
2,266
-1,919-2,058130,000
62,00033,00015,00020,0000131,000
58,00031,00019,00021,000
1,000
1,000
7,700
5,700
2,000
1,900
1,500
-200
-3,200YoY Change
Amount*Since the business segments are reorganized into three segments from FYE June 2022, these are estimatedvalues calculated for the conventional five business segments for reference.

-3,304-47-2,721
1,119-1,457-111
13,140
2,654
6,246
3,168
725
209
134
571
-428
146
1,041
-766
1,719
-1,141

%
97.5%
99.9%
92.4%
108.1%
93.2%
111.1%
104.8%
125.2%
120.0%
103.6%
126.5%
115.6%
108.0%
93.0%
107.9%
221.4%
66.2%
14