Note: This document has been translated from the Japanese original for reference purposes only. In the event of any discrepancy between this translated
document and the Japanese original, the original shall prevail.

Consolidated Financial Results
for the Three Months Ended June 30, 2024
[Japanese GAAP]
July 31, 2024
Company name: SUMITOMO DENSETSU CO.,LTD.
Listing: Tokyo
Securities code: 1949
URL: https://www.sem.co.jp
Representative: Makoto Tani
President
Inquiries: Koji Tanioku
Executive Officer, General Manager, Finance & Accounting Department
Telephone: +81-6-6537-3490
Scheduled date to commence dividend payments: Preparation of supplementary material on financial results: None
Holding of financial results briefing: None
(Yen amounts are rounded down to millions, unless otherwise noted.)
1. Consolidated Financial Results for the Three Months Ended June 30, 2024 (April 1, 2024 to June 30, 2024)(1) Consolidated Operating Results(Percentages indicate year-on-year changes.)
Profit attributable toNet sales
Operating profit
Ordinary profit
owners of parent
Millions of yen% Millions of yen% Millions of yen% Millions of yen%Three months ended
June 30, 2024
39,814
12.6
1,846
215.6
2,182
140.8
1,352
271.3
35,349(4.7)
585(71.7)
906(62.5)
364(75.2)
June 30, 2023
(Note) Comprehensive income:Three months ended June 30, 2024:¥1,324 million [(46.2) %]Three months ended June 30, 2023:¥2,463 million [88.0%]
Basic earnings
per share
Three months ended
June 30, 2024
June 30, 2023

Diluted earnings pershare
Yen

Yen

38.33
10.29

-(2) Consolidated Financial Position
Total assets
As ofJune 30, 2024
March 31, 2024
(Reference) Equity:Millions of yen

Net assets

169,171
181,664
As of June 30, 2024:
As of March 31, 2024:

Capital adequacy ratio

Millions of yen¥¥

109,228
110,932
103,961 million
105,833 million

%

61.5
58.3

2. Dividends
Annual dividends
1stquarter-end

2ndquarter-end

3rdquarter-end

Yen

Yen

Yen

Yen

Yen

Fiscal year ended March 31, 2024

-

47.00

-

59.00

106.00Fiscal year ending March 31, 2025

57.00

-

57.00

114.00Fiscal year ending March 31, 2025
(Forecast)(Note) Revision to the forecast for dividends announced most recently:

Year-endTotalNone

3. Consolidated Financial Results Forecast for the Fiscal Year Ending March 31, 2025(April 1, 2024 to March 31, 2025)(Percentages indicate year-on-year changes.)
Profit attributable Basic earnings
Net sales
Operating profit
Ordinary profit
to owners of parent
per share
Millions of yen% Millions of yen% Millions of yen

Six months ending
89,000
11.4
4,500
44.6
September 30, 2024
200,000
7.8
14,500
15.6
Full year(Note) Revision to the financial results forecast announced most recently:* Notes:(1) Significant changes in the scope of consolidation during the period:
Newly included:(Company name:Excluded:(Company name:% Millions of yen%Yen

4,800 32.3

3,000

22.0

84.71

15,000 11.1
None10,000(0.6)

282.37None))(2) Adoption of accounting treatment specific to the preparation of quarterly consolidated financial statements:(3) Changes in accounting policies, changes in accounting estimates, and restatement
1) Changes in accounting policies due to revisions to accounting standards and other regulations:
2) Changes in accounting policies due to other reasons: None
3) Changes in accounting estimates: None
4) Restatement: None

NoneYes(4) Number of issued shares (common shares)
1) Total number of issued shares at the end of the period (including treasury shares):
June 30, 2024:
35,635,879 shares
March 31, 2024:
35,635,879 shares
2) Number of treasury shares at the end of the period:
June 30, 2024:
458,271 shares
219,660 shares
March 31, 2024:
3) Average number of shares outstanding during the period:
Three months ended June 30, 2024:
Three months ended June 30, 2023:

35,294,013 shares
35,408,668 shares* Review of the Japanese-language originals of the attached consolidated quarterly financial statements by certified public
accountants or an audit firm: None
* Proper use of earnings forecasts, and other special matters
This presentation contains various forward-looking statements which are based on the current expectations and assumptions offuture event.
Please be advised that there are possibilities actual performance could be different from those described in this material.

Quarterly Consolidated Financial Statements
Quarterly Consolidated Balance Sheets(Millions of yen)
As of March 31, 2024AssetsCurrent assets
Cash and deposits
Notes receivable, accounts receivable fromcompleted construction contracts and other
Costs on construction contracts in progress
Other
Allowance for doubtful accounts
Total current assets
Non-current assets
Property, plant and equipment
Land
Other
Accumulated depreciation
Other, net
Total property, plant and equipment
Intangible assets
Goodwill
Other
Total intangible assets
Investments and other assets
Investment securities
Other
Allowance for doubtful accounts
Total investments and other assets
Total non-current assets
Total assets
Liabilities
Current liabilities
Notes payable, accounts payable for construction
contracts and other
Short-term borrowings
Income taxes payable
Provisions
Other
Total current liabilities
Non-current liabilities
Long-term borrowings
Provision for retirement benefits for directors (andother officers)
Retirement benefit liability
Other
Total non-current liabilities
Total liabilities-1-

As of June 30, 2024

59,39058,54873,07060,206

3,085
1,572
(12)
137,107

4,165
1,875
(10)
124,785

6,564
17,232(8,600)8,632
15,196

6,804
17,488(8,868)
8,619
15,42428798812
862
865

22,451
6,440(412)
28,47944,557
181,664

21,9896,517(410)28,09644,385
169,171

41,58534,467

1,540
2,767
161
16,54462,599

1,468
290
61
15,51051,799

836

673

11

10

1,199
6,085
8,132
70,732

1,201
6,258
8,143
59,943

(Millions of yen)
As of March 31, 2024
Net assets
Shareholders' equity
Share capital
Capital surplus
Retained earnings
Treasury shares
Total shareholders' equity
Accumulated other comprehensive income
Valuation difference on available-for-salesecurities
Deferred gains or losses on hedges
Foreign currency translation adjustment
Remeasurements of defined benefit plans
Total accumulated other comprehensive income
Non-controlling interests
Total net assets
Total liabilities and net assets-2-

As of June 30, 2024

6,440
6,114
80,459(403)
92,6106,440
6,119
79,722(1,326)90,956

12,123

11,5920
1,075
23
13,222
5,098
110,932
181,664

(4)
1,395
21
13,004
5,266
109,228
169,171

Quarterly Consolidated Statements of Income and Comprehensive Income
Quarterly Consolidated Statements of Income (For the three months)(Millions of yen)
For the three months
ended June 30, 2023
Net sales
Cost of sales
Gross profit
Selling, general and administrative expenses
Employees' salaries and allowances
OtherTotal selling, general and administrative expenses
Operating profit
Non-operating income
Interest income
Dividend income
Other
Total non-operating income
Non-operating expenses
Interest expenses
Other
Total non-operating expenses
Ordinary profit
Extraordinary losses
Loss on disposal of property,plant and equipment
Total extraordinary losses
Profit before income taxes
Income taxes - current
Income taxes - deferred
Total income taxes
ProfitProfit attributable to non-controlling interests
Profit attributable to owners of parent-3-

For the three months
ended June 30, 2024

35,34931,9693,380

39,81435,074
4,739

1,074
1,721
2,795
585

1,122
1,769
2,892
1,846

33
196
109
339

38
221
89
349

8
10
18
906

8
5
13
2,182

43
43
863
206
258
464
398
33
364

2,182
268
514
782
1,399
47
1,352

Quarterly Consolidated Statements of Comprehensive Income (For the three months)(Millions of yen)
For the three months
ended June 30, 2023
ProfitOther comprehensive incomeValuation difference on available-for-sale securities
Deferred gains or losses on hedges
Foreign currency translation adjustment
Remeasurements of defined benefit plans, net of tax
Total other comprehensive income
Comprehensive income
Comprehensive income attributable toComprehensive income attributable to owners ofparent
Comprehensive income attributable to non-controllinginterests-4-

For the three months
ended June 30, 2024
398

1,399

1,555
(11)
515
5
2,065
2,463

(531)
(5)
462
(1)
(75)
1,324

2,251

1,135

212

189

Supplementary Information（1）Consolidated Orders Received/Net Sales/Backlog of Orders by works type(Millions of yen)
1.Orders Received
Works TypeFY2023/1Q（From: Apr.1,2023
To: Jun.30,2023）

AmountFY2024/1Q（From: Apr.1,2024
To: Jun.30,2024）

Proportion

AmountFY2023(Full year)（From: Apr.1,2023
To: Mar.31,2024）

Increase(Decrease)

Proportion%

AmountRate%

AmountProportion%%

Power Transmission
Works

5,709

13.0

5,622

11.9

(87)

(1.5)

34,24915.2

General Electrical Works

26,97761.7

29,043

61.7

2,065

7.7

138,371

61.3

Information &Communications Works

6,53914.9

7,094

15.1

555

8.5

30,543

13.5

Facility & HVAC Works

2,427

5.6

3,549

7.5

1,122

46.2

14,856

6.6

Utilities Engineering Service

41,65395.2

45,309

96.2

3,656

8.8

218,020

96.6

Others

2,077

4.8

1,780

3.8

(296)

(14.3)

7,844

3.4

Total

43,730100.0

47,090

100.0

3,359

7.7

225,865

100.0

2.Net Sales
Works TypeFY2023/1Q（From: Apr.1,2023
To: Jun.30,2023）

AmountFY2024/1Q（From: Apr.1,2024
To: Jun.30,2024）

Proportion

AmountFY2023(Full year)（From: Apr.1,2023To: Mar.31,2024）

Increase(Decrease)

Proportion%

AmountRate%

AmountProportion%%

Power Transmission
Works

4,538

12.8

4,964

12.4

426

9.4

24,51013.2

General Electrical Works

21,21960.0

24,627

61.9

3,407

16.1

111,137

59.9

Information &Communications Works

5,019

14.2

5,329

13.4

309

6.2

29,61616.0

Facility & HVAC Works

2,494

7.1

3,111

7.8

616

24.7

12,414

6.7

Utilities Engineering Service

33,272

94.1

38,033

95.5

4,760

14.3

177,679

95.8

Others

2,077

5.9

1,780

4.5

(296)

(14.3)

7,844

4.2

Total35,349

100.0

39,814

100.0

4,464

12.6

185,524100.0

3. Backlog of Orders
Works TypeFY2023/1Q（As of Jun.30,2023）

AmountIncrease(Decrease)

FY2024/1Q（As of Jun.30,2024）

Proportion

Amount%Proportion

Amount%FY2023(Full year)（As of Mar.31,2024）

Rate

AmountProportion%%

Power Transmission
Works

21,36316.3

30,588

18.0

9,225

43.2

29,931

18.4

General Electrical Works

81,23462.1

107,126

63.0

25,892

31.9

102,711

63.1

Information &Communications Works

19,203

14.7

20,375

12.0

1,172

6.1

18,61011.4

Facility & HVAC Works

9,002

6.9

11,950

7.0

2,947

32.7

11,5117.1

130,803100.0

170,040

100.0

39,23730.0

162,764

100.0

Total-5-（2）Forecast of Consolidated Orders Received & Net Sales(Millions of yen)
Net Sales

Orders Received

Works Type

（From: Apr.1,2024
To: Mar.31,2025）（From: Apr.1,2024
To: Mar.31,2025）

AmountIncrease(Decrease)

AmountIncrease(Decrease)

Power Transmission Works

50,00046.0

30,00022.4

General Electrical Works

112,000(19.1)

116,000

4.4

Information & Communications Works

35,00014.6

32,0008.0

Facility & HVAC Works

15,0001.0

14,00012.8

Utilities Engineering Service

212,000(2.8)

192,000

8.1

Others

8,000

2.0

8,000

2.0

Total

220,000(2.6)

200,000

7.8%-6-%