Note: This document is a translation of a part of the original Japanese version and provided for reference purposes only. In the event of any discrepancy
between the Japanese original and this English translation, the Japanese original shall prevail.

Summly of Consolidated Financial Results
for the Three Months Ended March 31, 2023
[Japanese GAAP]
April 26, 2023
Company name: SEIKO ELECTRIC CO., LTD.
Stock exchange listing: Tokyo, Fukuoka
Code number: 6653
URL: https://www.seiko-denki.co.jp/
Representative: Hidetoshi Soeda

President and Representative Director
Managing Director, General Manager of Corporate Planning andDevelopment Division

Contact: Tsutomu Tanaka

Phone: +81-92-473-8831
Scheduled date of filing quarterly securities report: May 9, 2023
Scheduled date of commencing dividend payments: Availability of supplementary briefing material on quarterly financial results: No
Schedule of quarterly financial results briefing session: No(Amounts of less than one millions of yen are rounded down.)
1. Consolidated Financial Results for the Three Months Ended March 31, 2023 (January 1, 2023 to March 31, 2023)(1) Consolidated Operating Results(% indicates changes from the previous corresponding period.)
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
March 31, 2023
6,695
0.1
656
3.3
649
(1.6)
432
0.5
March 31, 2022
6,686
15.3
636
20.8
659
23.6
430
27.5
(Note) Comprehensive income:Three months ended March 31, 2023:¥457 million [142.2%]
Three months ended March 31, 2022:¥
188 million [(74.2) %]Basic earnings
per share
Three months ended
March 31, 2023
March 31, 2022

Diluted earnings per
share
Yen

Yen

35.61
35.48

-

(2) Consolidated Financial Position
Total assets
Millions of yen
As ofMarch 31, 2023
28,143
December 31, 2022
28,055(Reference) Equity: As of March 31, 2023:
As of December 31, 2022:

Net assets

Capital adequacy ratio

Millions of yen¥¥

11,841
11,565
11,841 million
11,565 million

%

42.1
41.2

2. Dividends
Annual dividends
1stquarter-end

2ndquarter-end

3rdquarter-end

Yen

Yen

Yen

Yen

Yen

Fiscal year ended December 31, 2022-15.00

-

15.00

30.00

Fiscal year ending December 31, 2023

-

17.50
(Forecast)(Note) Revision to the forecast for dividends announced most recently:
No(Note) Breakdown of the 1st quarter dividend for the fiscal year ending December 31, 2023 :Commemorative dividend- yenSpecial dividend
- yen

17.50

35.00

Year-end

Fiscal year ending December 31, 2023

Total

3. Consolidated Financial Results Forecast for the Fiscal Year Ending December 31, 2023(January 1, 2023 to December 31, 2023)(% indicates changes from the previous corresponding period.)
Profit attributable Basic earningsNet sales
Operating profit
Ordinary profit
to owners of parent
per share
Millions of yen% Millions of yen% Millions of yen

Six months ending June 30,
12,500(2.5)
80014.12023
Full year
30,000
20.0
2,000
38.8
(Note) Revision to the financial results forecast announced most recently:% Millions of yen

Yen

820

0.2

525

0.0

43.24

2,050
Yes

27.2

1,370

26.5

112.84* Notes:(1) Changes in significant subsidiaries during the three months ended March 31, 2023
(changes in specified subsidiaries resulting in changes in scope of consolidation):
New(Company name:Exclusion:(Company name:No(2) Accounting policies adopted specially for the preparation of quarterly consolidated financial statements:(3) Changes in accounting policies, changes in accounting estimates and retrospective restatement
1) Changes in accounting policies due to the revision of accounting standards: No
2) Changes in accounting policies other than 1) above: No
3) Changes in accounting estimates: No4) Retrospective restatement: No(4) Total number of issued shares (common shares)
1) Total number of issued shares at the end of the period (including treasury shares):
March 31, 2023:
12,603,595 shares
December 31, 2022:
12,603,595 shares
2) Number of treasury shares at the end of the period:
March 31, 2023:
462,414 shares
December 31, 2022:
462,384 shares
3) Average number of shares outstanding during the period:
Three months ended March 31, 2023:
Three months ended March 31, 2022:%

12,141,204 shares
12,119,692 shares))
No