Financial Results for 1st Half of Fiscal Year 2025

November 4, 2025

Name of Listed Company: Yokogawa Electric Corporation (the “Company” herein) Stock Exchanges Where the Company’s Shares Are Listed: Tokyo Stock Exchange

Securities Code: 6841 URL https://www.yokogawa.com/

Name and Position of the Representative: Kunimasa Shigeno, President & CEO, Representative Executive Officer Name and Position of Person in Charge: Hirohiko Nakatani, Department Manager of IR Department

Telephone Number: +81-422-52-6845 Planned Semi-annual Report Filing Date: November 5, 2025

Planned Dividend Payment Starting Date: December 5, 2025 Financial Results Supplemental Materials: Yes

Financial Results Presentation Meeting: Yes (for institutional investors)

(Any amount less than one million yen is disregarded.)

1. Consolidated Business Results for the Six Months Ended September 30, 2025 (April 1-September 30, 2025)

   1. Results of Operations on a Consolidated Basis (accumulated)

      (Percentages show the change from the same period of the previous year.)

      	Net sales	Operating profit	Ordinary profit	Profit attributable to owners of parent
      	Millions of yen %	Millions of yen %	Millions of yen %	Millions of yen %
      For six months ended September 30, 2025	281,996 5.8	38,988 7.4	39,676 10.6	29,371 19.5
      For six months ended September 30, 2024	266,580 4.7	36,305 7.7	35,888 (3.2)	24,573 (29.9)

      (Note) Comprehensive income For six months ended September 30, 2025 38,322 million yen [138.5%] For six months ended September 30, 2024 16,067 million yen [(71.5)%]

      	Basic earnings per share	Diluted earnings per share
      	Yen	Yen
      For six months ended September 30, 2025	114.87	-
      For six months ended September 30, 2024	94.45	-

   2. Financial Conditions on a Consolidated Basis

   	Total assets	Net assets	Shareholders’ equity ratio
   	Millions of yen	Millions of yen	%
   As of September 30, 2025	724,331	493,067	66.8
   As of March 31, 2025	718,285	475,721	65.1

   (Reference) Shareholders’ equity: As of September 30, 2025: 483,987 million yen As of March 31, 2025: 467,855 million yen

   (Note) In the fiscal year ended March 31, 2025, the Company finalized the provisional accounting treatment for the business combination.

   Amounts as of September 30, 2024 therefore reflect a revision to the initial allocation of the acquisition cost that was performed due to the finalization of the provisional accounting treatment.

2. Dividend Status

   	Dividends per share
   	June 30	September 30	December 31	End of period	Total
   For year ended March 31, 2025 For year ending March 31, 2026	Yen - -	Yen 29.00 32.00	Yen -	Yen 29.00	Yen 58.00
   For year ending March 31, 2026 (forecast)			-	32.00	64.00

   (Note) Adjustment on dividend forecast in this quarter: No

3. Consolidated Business Forecast for the Year Ending March 31, 2026 (April 1, 2025-March 31, 2026)

(Percentages show the change from the previous year.)

(Note) Adjustment on consolidated business forecast in this quarter: Yes

1. Significant changes in range of consolidation during the period: Yes Newly included: 1 company (Company name) Web Synergies (S) Pte. Ltd.

2. Application of special methods for consolidated semi-annual financial statements: No

3. Changes in accounting policies, changes in accounting estimates, and restatements

   1. Changes in accounting policies accompanying revision of accounting standards: No

   2. Changes in accounting policies other than (a) above: No

   3. Changes in accounting estimates: No

   4. Restatements: No

4. Number of shares issued (common stock)

   1. Number of shares outstanding at the end of the period (including treasury shares)

      As of September 30, 2025 268,624,510 shares

      As of March 31, 2025 268,624,510 shares

   2. Number of treasury shares at the end of the period

      As of September 30, 2025 13,994,993 shares

      As of March 31, 2025 9,765,129 shares

   3. Average number of shares in the period (accumulated quarterly period)

For the six months ended September 30, 2025 255,685,777 shares

For the six months ended September 30, 2024 260,169,433 shares

Semi-annual financial results reports are exempt from review conducted by certified public accountants or an audit corporation. Note concerning appropriate use of business forecasts, etc.

The above forecasts are based on the information that was available at the time this document was released and involve assumptions regarding uncertain factors that may have an effect on future performance. Actual performance may vary greatly due to a variety of factors. For premises underlying the assumptions for business forecasts and cautions concerning the use of business forecasts, please refer to “1. Overview of Business Results and Others (3) Explanation of Consolidated Business Forecast and Other Expectations” on page 5.

The Company plans to hold a quarterly financial results presentation meeting for institutional investors via web conference on November 4, 2025. The Company also plans to promptly post to its website the materials that are used at the meeting.

Attachment Contents

1. Overview of Business Results and Others

   1. Overview of Business Results for the Period Under Review . - 4 -

   2. Overview of Financial Conditions for the Period Under Review.................................................................. - 4 -

   3. Explanation of Consolidated Business Forecast and Other Expectations ..................................................... - 5 -

2. Consolidated Semi-annual Financial Statements

   1. Consolidated Semi-annual Balance Sheets.................................................................................................... - 7 -

   2. Consolidated Semi-annual Statements of Income and Statements of Comprehensive Income

      Consolidated Semi-annual Statements of Income ......................................................................................... - 9 -

      Consolidated Semi-annual Statements of Comprehensive Income ............................................................. - 10 -

   3. Consolidated Semi-annual Statements of Cash Flows ................................................................................ - 11 -

   4. Notes on Consolidated Semi-annual Financial Statements

Notes on Segment Information ................................................................................................................... - 13 -

Notes If There Is a Remarkable Change in the Amount of Shareholders’ Equity ....................................... - 13 -Notes for Going Concern ............................................................................................................................ - 13 -

[Reference]

Consolidated Financial Statements for the Six Months Ended September 30, 2025 .............................................. - 14 -

1. Overview of Business Results and Others

   1. Overview of Business Results for the Period Under Review

      For the six months ended September 30, 2025 (April 1, 2025 to September 30, 2025), in accordance with the medium-term business plan, “Growth for Sustainability 2028 (GS2028),” the Group is working to realize Creating Shared Value (CSV) management, which aims to sustainably enhance corporate value while benefitting both society and the environment through our business.

      In terms of the Group’s business performance during the six months ended September 30, 2025, net sales and operating profit increased by 15.4 billion yen and 2.6 billion yen year on year, respectively, despite the impact of the foreign exchange rate in which the yen appreciated compared to the previous year. Ordinary profit increased by 3.7 billion yen year on year, and profit attributable to owners of parent increased by 4.7 billion yen year on year.

      Business results are as follows.

      Unit: billions of yen

      	Six months ended September 30, 2024	Six months ended September 30, 2025	Difference	Change
      Net sales	266.580	281.996	15.415	5.8%
      Operating profit	36.305	38.988	2.682	7.4%
      Ordinary profit	35.888	39.676	3.787	10.6%
      Profit attributable to owners of parent	24.573	29.371	4.797	19.5%
      (Reference) Average rate to 1 U.S. dollar (Yen)	152.40	146.26	(6.14)	-

      Results by individual segment are outlined below.

      Unit: billions of yen

      	Six months ended September 30, 2024	Six months ended September 30, 2025	Difference	Change
      Net sales	250.619	264.480	13.860	5.5%
      Operating profit	33.900	36.067	2.166	6.4%

      Unit: billions of yen

      	Six months ended September 30, 2024	Six months ended September 30, 2025	Difference	Change
      Net sales	14.235	15.156	0.921	6.5%
      Operating profit	2.924	2.996	0.072	2.5%

      Unit: billions of yen

      	Six months ended September 30, 2024	Six months ended September 30, 2025	Difference	Change
      Net sales	1.725	2.360	0.634	36.8%
      Operating profit	(0.519)	(0.075)	0.444	-

   2. Overview of Financial Conditions for the Period Under Review

      In comparison to March 31, 2025, total assets as of September 30, 2025 were up 6.0 billion yen to 724.3 billion yen. In addition, total liabilities were 231.2 billion yen, down 11.3 billion yen compared to March 31, 2025.

      As of September 30, 2025, net assets were 493.0 billion yen, up 17.3 billion yen compared to March 31, 2025, due mainly to the recognition of profit attributable to owners of parent, despite a decrease mainly due to purchase of treasury shares.

      As a result, the shareholders’ equity ratio was 66.8%, up 1.7 percentage points from the end of the previous fiscal year.

      The cash flow from operating activities in the six months ended September 30, 2025 was a net inflow of 35.8 billion yen (down 3.8 billion yen from the same period in the previous fiscal year), mainly reflecting the recording of profit before income taxes and depreciation.

      The cash flow from investing activities was a net outflow of 11.4 billion yen (down 1.0 billion yen from the same period in the previous fiscal year), mainly reflecting purchase of property, plant and equipment, intangible assets, and shares of subsidiaries resulting in change in scope of consolidation.

      The cash flow from financing activities was a net outflow of 27.8 billion yen (up 15.9 billion yen from the previous fiscal year), mainly due to purchase of treasury shares and dividends paid.

      As a result, the balance of cash and cash equivalents as of September 30, 2025 was 178.1 billion yen, down 1.1 billion yen from the end of the previous fiscal year.

   3. Explanation of Consolidated Business Forecast and Other Expectations

   With regard to the consolidated business forecast for the fiscal year ending March 31, 2026, we have revised the assumed foreign exchange rate from 1 USD = 140 yen to 1 USD = 145 yen, and the consolidated business forecast announced on May 7, 2025, as follows.

   The following compares the full-year consolidated business forecast announced on May 7, 2025, with the revised forecast announced on November 4, 2025.

   	Net sales	Operating profit	Ordinary profit	Profit attributable to owners of parent	Basic earnings per share
   Previously announced forecast (A)	Billions of yen 560.0	Billions of yen 80.0	Billions of yen 80.0	Billions of yen 52.5	Yen 202.81
   Revised forecast (B)	577.0	83.0	83.0	54.5	213.56
   Difference (B) - (A)	17.0	3.0	3.0	2.0	-
   Change	3.0%	3.8%	3.8%	3.8%	-
   (Reference) Results for fiscal year ended March 31, 2025	562.4	83.5	85.3	52.1	200.41

   (Reference) Full-Year Consolidated Business Forecast by Segment

   Unit: billions of yen

   	Previously announced forecast (May 7, 2025)	Revised forecast (November 4, 2025)	Difference
   Industrial automation and control business	544.5	561.5	up 17.0
   Measuring instruments business	31.5	31.5	-
   New businesses and others	4.0	4.0	-
   Total	580.0	597.0	up 17.0

   Unit: billions of yen

   	Previously announced forecast (May 7, 2025)	Revised forecast (November 4, 2025)	Difference
   Industrial automation and control business	525.0	542.0	up 17.0
   Measuring instruments business	31.0	31.0	-
   New businesses and others	4.0	4.0	-
   Total	560.0	577.0	up 17.0

   Unit: billions of yen

   	Previously announced forecast (May 7, 2025)	Revised forecast (November 4, 2025)	Difference
   Industrial automation and control business	74.0	77.0	up 3.0
   Measuring instruments business	6.5	6.5	-
   New businesses and others	(0.5)	(0.5)	-
   Total	80.0	83.0	up 3.0

   As the above business forecast is based on certain assumptions judged by the Company to be reasonable at present, actual business results may differ.

   The main factors that may cause changes in the results are as follows.

   • Changes in foreign exchange rates, particularly the U.S. dollar, the euro, Asian currencies, and the currencies of the Middle East

   • Sudden changes in the price of crude oil

   • Sudden changes in the political and economic situation in major markets

   • Geopolitical risks in the Middle East and East Asia, etc.

   • Changes in the business environment such as revisions to trade regulations

   • Dramatic shifts in product supply and demand in the market

   • Changes in Japanese share prices

   • Protection of the Company’s patents and securement of the licensing of patents held by other companies

   • M&A and business alliances with other companies for purposes such as product development

   • Occurrences of natural disasters such as earthquakes, floods, and tsunamis

2. Consolidated Semi-annual Financial Statements

1. Consolidated Semi-annual Balance Sheets

   Assets

   (Millions of yen) As of March 31, 2025 As of September 30, 2025

   Current assets

   Cash and deposits 188,754 186,189

Liabilities

(Millions of yen) As of March 31, 2025 As of September 30, 2025

Current liabilities

1. Consolidated Semi-annual Statements of Income and Statements of Comprehensive Income

Consolidated Semi-annual Statements of Comprehensive Income

(Millions of yen)

Six months ended September 30, 2024

Six months ended September 30, 2025

Comprehensive income attributable to non-controlling interests

1,884 1,666

(Millions of yen)

1. Notes on Consolidated Semi-annual Financial Statements Notes on Segment Information

   Segment Information

   1. Six Months Ended September 30, 2024 (April 1-September 30, 2024)

      1. Sales and Profits (Losses) by Reporting Segment

         (Millions of yen)

         	Reporting segments				Adjustment	Amount on consolidated semi-annual statements of income
         	Industrial automation and control	Measuring instruments	New businesses and others	Total
         Net sales Net sales to unaffiliated customers Intersegment net sales or transfers	250,619 -	14,235 -	1,725 -	266,580 -	- -	266,580 -
         Total	250,619	14,235	1,725	266,580	-	266,580
         Segment profit (loss)	33,900	2,924	(519)	36,305	-	36,305

         (Note) The profit or loss of each reporting segment is its operating profit or loss.

   2. Six Months Ended September 30, 2025 (April 1-September 30, 2025)

      1. Sales and Profits (Losses) by Reporting Segment

(Millions of yen)

(Note) The profit or loss of each reporting segment is its operating profit or loss. Notes If There Is a Remarkable Change in the Amount of Shareholders’ Equity

The Company acquired 4,229,400 shares of its own shares during the six months ended September 30, 2025 in accordance with a resolution of the Board of Directors meeting held on March 4, 2025. As a result, treasury shares increased by 13,015 million yen, and the amount and number of treasury shares as of September 30, 2025 were 36,268 million yen and 13,994,993 shares, including shares less than one unit acquired through purchase requests.

Notes for Going Concern Not applicable

[Reference]

November 4, 2025 Yokogawa Electric Corporation

(Millions of yen)

Orders received (Millions of yen)

Net sales (Millions of yen)

Operating profit (Millions of yen)