Summary of Consolidated Financial Results for the Six Months Ended September 30, 2025 (Under Japanese GAAP)（NaNKB）

November 10, 2025

Company name Shindengen Electric Manufacturing Co., Ltd Stock exchange listings: Tokyo Prime Securities code 6844 URL https://www.shindengen.co.jp/

Representative President Nobuyoshi Tanaka

Officer

Inquiries

Division Manager, President's Office

Isao Matsubara Tel 048-483-5311

Semi-annual statement filing date (as planned)： November 12, 2025 Dividend payable date (as planned)：-

Supplemental material of results：Yes

Convening briefing of results ：Yes (for analysts and institutional investors)

(Yen amounts are rounded down to millions, unless otherwise

noted.)

1. Consolidated financial results for the six months ended September 30, 2025 (from April 1, 2025 to September 30, 2025)

   1. Consolidated operating results (cumulative) (Percentages indicate year-on-year changes.)

      	Net sales		Operating profit		Ordinary profit		Profit attributable to owners of parent
      Six months ended	Millions of yen	%	Millions of yen	%	Millions of yen	%	Millions of yen	%
      September 30, 2025	54,247	7.3	2,318	532.3	2,465	-	2,430	-
      September 30, 2024	50,563	1.9	366	(9.8)	(298)	-	(1,089)	-

      Note: Comprehensive income	For the six months ended September 30, 2025	1,406 Millions of yen	(－%)
      	For the six months ended September 30, 2024	(2,157) Millions of yen	(－%)

      	Basic earnings per share	Diluted earnings per share
      Six months ended	Yen	Yen
      September 30, 2025	235.50	-
      September 30, 2024	(105.63)	-

   2. Consolidated financial position

      	Total assets	Net assets	Capital adequacy ratio
      As of	Millions of yen	Millions of yen	%
      September 30, 2025	147,008	66,889	45.5
      March 31, 2025	136,496	66,144	48.5

      Reference:Owner's equity As of September 30, 2025 66,889Millions of yen As of March 31, 2025 66,144Millions of yen

2. Cash dividends

   	Annual dividend
   	First quarter	Second quarter	Third quarter	Year end	Annual
   	Yen	Yen	Yen	Yen	Yen
   Fiscal year ended March 31, 2025	-	0.00	-	65.00	65.00
   Fiscal year ending March 31, 2026	-	0.00
   Fiscal year ending March 31, 2026 (Forecast)			-	65.00	65.00

   Note:Revisions to the forecast of cash dividends most recently announced：None

3. Consolidated financial forecast for the fiscal year ending March 31, 2026 (from April 1, 2025 to March 31, 2026)

(Percentages indicate year-on-year changes.)

Note:Revisions to the earnings forecasts most recently announced：None

• Notes

  1. Significant changes in the scope of consolidation during the period：None

     Newly included: － companies (Company name) 、Excluded: － companies (Company name)

  2. Adoption of accounting treatment specific to the preparation of semi-annual consolidated financial statements：None

  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 ：None

     2. Changes in accounting policies due to other reasons ：None

     3. Changes in accounting estimates ：None

     4. Restatement ：None

  4. Number of issued shares (common shares)

     As of September 30, 2025	10,338,884shares	As of March 31, 2025	10,338,884shares
     As of September 30, 2025	17,711shares	As of March 31, 2025	21,932shares
     Six months ended September 30, 2025	10,319,031shares	Six months ended September 30, 2024	10,314,976shares

     ① Number of issued and outstanding shares at the period end (including treasury stock)

     ② Number of treasury stock at the period end

     ③ Average number of shares

• Semi-annual financial results reports are exempt from review conducted by certified public accountants or an audit firm.

• Proper use of earnings forecasts, and other special matters (Caution concerning forward-looking statements)

The forward-looking statements, including the financial results forecast shown in this document, are based on information

currently available to the Company and on certain assumptions deemed to be reasonable by the Company. As such, they do not constitute guarantees by the Company of future performance. Actual performance and other results may also differ materially due to various factors.

(How to obtain a copy of the supplementary material on financial results and earnings results briefing materials)

The Company plans to hold a presentation of the financial results for securities analysts and institutional investors on November 14, 2025. The earnings results briefing materials distributed at the meeting will be posted promptly on the Company website after the meeting is held.

Semi-annual consolidated financial statements

Consolidated balance sheets

Consolidated statements of income and consolidated statements of comprehensive income

Notes to Consolidated Financial Statements (Notes Pertaining to Going Concern Assumption)

None

(Notes on Significant Changes in the Amount of Shareholders` Equity)

None

(Business restructuring expenses)

As a result of the structural reform of the power device business, we have recorded a severance payment of 235 million yen, an impairment loss of 87 million yen, and other expenses of 8 million yen.

(Notes to Quarterly Consolidated Statement of Cash Flows)

The quarterly consolidated statement of cash flows for the first quarter of the current fiscal year has not been prepared. However, depreciation and amortization expenses (including amortization of intangible assets) for the first quarter are as follows.

(Millions of yen)

Year ended September 30, 2024

(April 1, 2024 to September 30, 2024)

Year ended September 30, 2025

(April 1, 2025 to September 30, 2025

depreciation and amortization ¥2,612 ¥2,589

1. Net sales, income (loss), identifiable assets/liabilities and other items by reporting segments

   (Millions of yen)

   	Reportable segments				Other	Total	Reconciling items	Per semi-annual consolidated financial statements
   	Power device business	Power unit business	Power systems business	Reportable segments
   Sales
   Revenues from external customers	16,436	34,645	3,093	54,174	72	54,247	-	54,247
   Transactions with other segments	5,155	-	-	5,155	-	5,155	(5,155)	-
   Net sales	21,592	34,645	3,093	59,330	72	59,403	(5,155)	54,247
   Operating profit (loss)	1,571	1,964	587	4,123	(4)	4,119	(1,800)	2,318

   Notes: 1. The "Other" category includes activities not included in the reporting segments, such as solenoids.

2. ¥ (1,800) million posted under "Adjustments" includes "Corporate expenses" that have not been allocated to each reporting segment. "Corporate expenses" are primarily general and administrative expenses that cannot be attributed to any reporting segment.

3. Segment income (loss) is adjusted to the operating income stated on the consolidated statements of income and consolidated statements of comprehensive income.

From the first quarter of the current consolidated fiscal period, in accordance with the organizational reforms

implemented on April 1, 2025, the reporting segment has been renamed from the existing "Electronic device Business", "Car electronics Business" and "Energy systems & solutions Business" to "Power device Business", "Power unit Business" and " Power systems & solutions Business", and some product management categories have also been changed. In line with this change, we have transferred our EV charging infrastructure product line from the "Power

systems & solutions Business" to the "Power unit Business".