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| August 4, 2026 | © Yokogawa Electric Corporation | August 4, 2026 | © Yokogawa Electric Corporation Securities Code: 6841 Yokogawa Electric Corporation Financial Results for the First Quarter of Fiscal Year 2026 Michiko Nakajima Director, Vice President & Executive Officer, Head of Accounting & Treasury Headquarters August 4, 2026
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| August 4, 2026 | © Yokogawa Electric Corporation | August 4, 2026 | © Yokogawa Electric Corporation Contents 2 1. Financial Results for the First Quarter of Fiscal Year 2026 P. 3 Michiko Nakajima Director, Vice President & Executive Officer, Head of Accounting & Treasury Headquarters 2. Financial Appendix P. 17 Quarterly Financial Results Non-operating / Extraordinary Income and Expenses Order Backlog Trend by Segment Order Backlog Trend by Control Subsegment Trend of R&D Expenses, Depreciation, and CAPEX Trend of Balance Sheet Trend of Stock Price
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| August 4, 2026 | © Yokogawa Electric Corporation | August 4, 2026 | © Yokogawa Electric Corporation Financial Results for the First Quarter of Fiscal Year 2026 (April 1, 2026 – June 30, 2026)
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| August 4, 2026 | © Yokogawa Electric Corporation Key Points 4 ◼ FY26 1Q results - Summary: • Orders increased, driven primarily by strong growth in the Measuring Instruments business. • Sales increased mainly due to the impact of fluctuations in foreign exchange rates. • Operating income remained at about the same level as the previous fiscal year. - Segments: Control: Sales increased mainly due to the favorable impact of foreign exchange rates, while operating income remained flat year on year. Measuring Instruments: Sales and operating income increased year on year. ◼ FY26 earnings forecast: unchanged from the forecast announced in May
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| August 4, 2026 | © Yokogawa Electric Corporation 149.1 183.4 +34.4 +23.1% +15.6 130.2 141.3 +11.1 +8.6% +11.7 16.2 16.5 +0.3 +1.8% +2.4 12.4 11.7 (0.8pt) － － 15.6 16.9 +1.3 +8.1% +2.4 15.2 12.2 (2.9) (19.4%) +2.2 Exchange rate US$1= ¥144.11 ¥160.44 +16.33 － － Ordinary income Profit attributable to owners of parent Sales Operating income ROS(%) FY26 1Q Difference Growth rate Impact of exchange rate Orders FY25 1Q ◆ Orders increased, driven by the Control business’s acquisition of large-scale projects primarily in Japan, and increased AI data center-related demand in the Measuring Instruments business (excluding the impact of exchange rates: +¥18.8 billion, +12.6%). ◆ Sales increased mainly due to the impact of foreign exchange rates (excluding the impact of exchange rates: -¥0.6 billion, -0.4%). ◆ Operating income was at about the same level as the previous fiscal year, mainly due to higher SG&A expenses (excluding the impact of exchange rates: -¥2.1 billion, -12.8%). Summary of FY26 1Q Results (YoY comparison) 5 （Billion ¥）
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| August 4, 2026 | © Yokogawa Electric Corporation 6 Decrease in gross profit from lower sales (excluding the impact of exchange rates) （Billion ¥） FY25 1Q FY26 1Q US$ 144.11 160.44 EUR 165.46 185.98 FY26 1Q operating income FY25 1Q operating income Increase in SG&A FY26 1Q operating income (excluding the impact of exchange rates) Improvement in gross margin Exchange rates （¥） Analysis of Operating Income (YoY comparison) ・Increase in labor costs 16.2 14.1 16.5 (0.3) +0.8 (2.6) +2.4
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| August 4, 2026 | © Yokogawa Electric Corporation 13.2 14.7 14.2 1.4 1.5 2.40.2 0.1 (0.1) 14.8 16.2 16.5 120.7 121.9 131.4 7.3 7.2 9.41.0 1.1 0.5128.9 130.2 141.3 147.7 139.3 153.5 8.3 8.4 29.3 1.0 1.3 0.6 157.0 149.1 183.4 Comparison for Orders, Sales, and Operating Income by Segment FY24 1Q FY25 1Q FY26 1Q FY24 1Q FY25 1Q FY26 1Q FY24 1Q FY25 1Q FY26 1Q SalesOrders Operating income （Billion ¥） Control Measuring instruments New businesses and others 7 Difference Difference Difference +34.4 (0.7) +20.9 +14.2 +11.1 (0.5) +2.2 +9.5 +0.3 +0.9 (0.5) (0.1) ◆ Control: • Orders increased (excluding the impact of exchange rates: +¥2.1 billion, +1.5%). • Sales increased, mainly due to the impact of foreign exchange rates (excluding the impact of exchange rates: -¥1.3 billion, -1.1%). • Operating income remained at about the same level as the previous fiscal year; however, if the impact of exchange rates is excluded, operating income declined (excluding the impact of exchange rates: -¥2.5 billion, -16.9%). ◆ Measuring Instruments: • Orders increased significantly (excluding the impact of exchange rates: +¥17.3 billion, +206.4%). • Sales and operating income increased. (Excluding the impact of exchange rates, sales increased by +¥1.3 billion, +18.2%, and operating income increased by +¥0.5 billion, +35.4%.)
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| August 4, 2026 | © Yokogawa Electric Corporation Orders FY25 1Q (A) FY26 1Q (B) Difference (B-A) Sales FY25 1Q (A) FY26 1Q (B) Difference (B-A) Japan 32.6 40.0 +7.3 Japan 31.7 30.5 (1.1) Asia 42.9 50.7 +7.8 Asia 36.4 41.3 +4.9 （Southeast Asia, Far East) 21.3 23.6 +2.4 （Southeast Asia, Far East) 17.3 20.1 +2.9 （China） 15.5 17.8 +2.4 （China） 14.2 15.5 +1.3 （India） 6.2 9.2 +3.0 （India） 5.0 5.7 +0.7 Europe and CIS 12.2 13.7 +1.4 Europe and CIS 14.7 15.8 +1.1 Middle East and Africa 35.8 31.5 (4.3) Middle East and Africa 22.9 27.3 +4.4 North America 10.7 12.4 +1.7 North America 12.7 12.6 (0.1) Central and South America 5.0 5.3 +0.4 Central and South America 3.5 3.8 +0.3 Outside Japan 106.7 113.6 +6.9 Outside Japan 90.2 100.9 +10.6 Consolidated 139.3 153.5 +14.2 Consolidated 121.9 131.4 +9.5 Exchange rate USD1$＝ ¥144.11 ¥160.44 +16.33 Exchange rate USD1$＝ ¥144.11 ¥160.44 +16.33 Orders and Sales by Region in Control Segment 8 （Billion ¥） ◆ Despite a reactionary decline following the receipt in the previous fiscal year of large orders in the Middle East, orders were up overall, driven by the acquisition of large-scale projects in Japan.
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| August 4, 2026 | © Yokogawa Electric Corporation 59.6 64.0 72.0 51.6 47.2 48.1 9.4 10.6 11.2120.7 121.9 131.4 FY24 1Q FY25 1Q FY26 1Q 84.5 81.6 84.7 52.2 46.3 55.1 11.0 11.4 13.7 147.7 139.3 153.5 FY24 1Q FY25 1Q FY26 1Q Orders and Sales by Control Subsegment 9 Life Materials Energy & Sustainability Life Materials Energy & Sustainability （Billion ¥） Difference SalesOrders 158.15 160.44144.11 Exchange rate (US$1/¥) Difference 158.15 160.44144.11 Exchange rate (US$1/¥) +14.2 +10.2% +2.3 +20.5% +8.8 +19.0% +3.1 +3.8% +9.5 +7.8% +0.6 +5.4% +0.9 +1.9% +8.0 +12.5% Growth rate Growth rate
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| August 4, 2026 | © Yokogawa Electric Corporation ◆Starting this reporting period, the threshold amounts for distinguishing between large and base orders in the Materials and Life segments have been changed. 0.0 50.0 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q FY24 FY25 FY26 0.0 50.0 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q FY24 FY25 FY26 0.0 10.0 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q FY24 FY25 FY26 10 Energy & Sustainability Materials Life 小口 大口 小口 大口 小口 大口 158.15 148.40146.66 154.19 151.21 144.11 155.73 156.45 160.44 158.15 148.40146.66 154.19 151.21 144.11 155.73 156.45 160.44 158.15 148.40146.66 154.19 151.21 144.11 155.73 156.45 160.44 Control Subsegment Order Trend by Project Size ■Base orders ■Large orders ■Base orders ■Large orders ■Base orders ■Large orders Quarterly average exchange rate (US$1/¥) Quarterly average exchange rate (US$1/¥) Quarterly average exchange rate (US$1/¥) （Billion ¥） *Large orders: E&S ≥ ¥300M / US$3M; Materials ≥ ¥200M / US$2M; Life ≥ ¥100M / US$1M. Mainly CAPEX business such as system installations Base orders: Orders below the above thresholds. Mainly OPEX business such as MROs and system upgrades
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| August 4, 2026 | © Yokogawa Electric Corporation 22.5 24.2 21.7 29.0 25.6 6.7 5.9 6.8 8.6 9.55.2 4.0 5.4 4.9 6.44.0 4.4 3.5 3.8 4.27.8 8.1 7.5 11.2 9.5 34.6 31.4 25.7 27.9 25.4 28.3 28.0 26.7 28.7 34.6 5.1 6.0 5.1 7.9 9.5 1.6 3.3 9.1 1.5 2.44.5 6.9 5.8 7.0 5.2 7.6 6.7 6.3 10.1 7.6 4.5 4.5 3.5 5.2 5.9 3.1 3.0 3.1 3.5 2.8 3.8 6.0 5.3 4.4 5.1 Quarterly average exchange rate (US$1/¥) （Billion ¥） 11 Renewable Energy Upstream Downstream Water Power Other E&S 2Q 3Q 4Q 1Q FY26 144.11 148.40 155.73 156.45 160.44 2Q 3Q 4Q 1Q FY26 1Q FY25 2Q 3Q 4Q 1Q FY26 Food & Beverage Pharmaceutical Chemicals Mobility & Electric Mining & Metals Pulp & Paper Other Materials Other Life 1Q FY25 1Q FY25 Energy & Sustainability Materials Life Orders by Industry in Control Segment
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| August 4, 2026 | © Yokogawa Electric Corporation +3.0 FY26 Forecast (unchanged) Growth rate (excl.forex) +5.1% +2.4% Difference (excl.forex) +31.3 +14.2 （Billion ¥） ▪ While there are short-term concerns about the impact of the Middle East geopolitical situation, orders are expected to increase, supported by robust energy demand and a continued strong customer appetite for investment (excluding the impact of exchange rates: +¥31.3 billion, +5.1%). ▪ Sales are expected to increase, but growth will be limited after factoring in the impact of the Middle East situation.(excluding the impact of exchange rates: +¥14.2 billion, +2.4%). ▪ Operating income is expected to increase, mainly due to higher sales. FY25 (A) FY26 forecast (B) Difference (B-A) Growth rate (B/A-1) Orders 617.8 645.0 +27.2 +4.4% Sales 604.8 615.0 +10.2 +1.7% Operating income 82.6 85.0 +2.4 +3.0% ROS(%) 13.6 13.8 +0.2pt － Ordinary income 84.3 85.0 +0.7 +0.9% Profit before income taxes 78.9 85.0 +6.1 +7.7% Tax, etc. 20.9 26.5 +5.6 +26.8% Profit attributable to owners of parent 58.1 58.5 +0.4 +0.7% EPS(￥) 227.72 229.75 +2.03 － Exchange rate US$1= ¥151.17 ¥150.00 (1.17) － +3.7% *The Company has resolved to acquire its own shares (acquisition period: May 8, 2026 to September 30, 2026). “EPS (yen)” in the FY26 forecast does not consider the impact of the acquisition of own shares. Therefore, it may change depending on the status of the future acquisition of own shares. 12
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| August 4, 2026 | © Yokogawa Electric Corporation 82.6 85.6 85.0 +6.5 +5.0 (8.5) (0.6) 13 Exchange rates FY25 FY26 US$ 151.17 150.00 EUR 175.65 170.00 （¥） FY26 forecast operating income FY25 operating income FY26 forecast operating income (excluding impact of exchange rates) Factors Accounting for Increase/Decrease in FY26 Operating Income (unchanged) （Billion ¥） Increase in gross profit from higher sales (excluding the impact of exchange rates) Gross margin improvement Increase in SG&A
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| August 4, 2026 | © Yokogawa Electric Corporation 77.6 75.2 76.5 6.2 7.8 9.0 (0.3) (0.4) (0.5) 83.5 82.6 85.0 528.3 565.5 573.0 29.9 34.0 39.04.2 5.3 3.0562.4 604.8 615.0 564.3 570.9 603.0 30.3 42.0 39.04.0 5.0 3.0598.6 617.8 645.0 FY26 Forecast for Orders, Sales and Operating Income by Segment (unchanged) 14 Orders Sales Operating income Control Measuring Instruments New Businesses and Others （Billion ¥） FY24 FY26 forecast FY25 +27.2 (2.0) (3.0) +32.1 FY24 FY26 forecast FY25 +10.2 (2.3) +5.0 +7.5 +2.4 +1.2 +1.3 (0.1) FY24 FY26 forecast FY25 Difference Difference Difference
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| August 4, 2026 | © Yokogawa Electric Corporation Orders FY25 (A) FY26 (B) Difference （B-A） Sales FY25 (A) FY26 (B) Difference （B-A） Japan 154.0 151.0 (3.0) Japan 151.5 145.5 (6.0) Asia 166.1 182.0 +15.9 Asia 164.2 172.5 +8.3 （Southeast Asia, Far East) 81.0 87.0 +6.1 （Southeast Asia, Far East) 79.8 81.0 +1.1 （China） 55.5 59.0 +3.5 （China） 56.7 58.0 +1.3 （India） 29.7 36.0 +6.3 （India） 27.7 33.5 +5.8 Europe and CIS 60.8 61.5 +0.7 Europe and CIS 63.6 62.0 (1.6) Middle East and Africa 117.7 120.0 +2.3 Middle East and Africa 115.3 112.0 (3.3) North America 51.7 62.0 +10.3 North America 51.6 59.0 +7.4 Central and South America 20.5 26.5 +6.0 Central and South America 19.3 22.0 +2.7 Outside Japan 416.9 452.0 +35.1 Outside Japan 414.0 427.5 +13.5 Consolidated 570.9 603.0 +32.1 Consolidated 565.5 573.0 +7.5 Exchange rate US$1＝ ¥151.17 ¥150.00 (1.17) Exchange rate US$1＝ ¥151.17 ¥150.00 (1.17) FY26 Forecast for Control Orders and Sales by Region (unchanged) 15 （Billion ¥）
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| August 4, 2026 | © Yokogawa Electric Corporation 280.0 314.8 321.5 201.2 201.8 202.5 47.2 48.9 49.0528.3 565.5 573.0 FY24 FY25 FY26 forecast 317.9 325.8 348.5 200.1 195.2 202.0 46.2 49.9 52.5564.3 570.9 603.0 FY24 FY25 FY26 forecast +7.5 +0.1 +0.6 +6.8 Difference +1.3% +0.2% +0.3% +2.2% 16 Life Materials Energy & Sustainability Life Materials Energy & Sustainability （Billion ¥） SalesOrders 152.55 150.00151.17 Exchange rate (US$1/¥) +32.1 +2.5 +6.9 +22.8 152.55 150.00151.17 Exchange rate (US$1/¥) FY26 Forecast for Orders and Sales by Control Subsegment (unchanged) Difference +5.6% +5.0% +3.5% +7.0% Growth rate Growth rate
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| August 4, 2026 | © Yokogawa Electric Corporation | August 4, 2026 | © Yokogawa Electric Corporation Financial Appendix: ・Quarterly Financial Results ・Non-operating / Extraordinary Income and Expenses ・Order Backlog Trend by Segment ・Order Backlog Trend by Control Subsegment ・Trend of R&D Expenses, Depreciation, and CAPEX ・Trend of Balance Sheet ・Trend of Stock Price 17
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| August 4, 2026 | © Yokogawa Electric Corporation 157.0 134.0 150.3 157.4 149.1 151.4 149.8 167.6 183.4 128.9 137.7 142.3 153.5 130.2 151.8 152.3 170.5 141.3 14.8 21.5 22.1 25.1 16.2 22.8 21.4 22.1 16.5 Orders Sales Operating income Appendix: Quarterly Financial Results 18 158.15 146.66 154.19 151.21 144.11 148.40 155.73 156.45 1Q FY24 2Q 3Q 4Q 1Q FY25 2Q 3Q 4Q Quarterly average rate (US$/1¥) （Billion ¥） 160.44 1Q FY26
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| August 4, 2026 | © Yokogawa Electric Corporation FY25 1Q FY26 1Q Operating income 16.2 16.5 Non-operating income 1.9 2.1 Non-operating expenses 2.4 1.7 Ordinary income 15.6 16.9 Extraordinary income 0.3 0.0 Extraordinary expenses 0.1 0.1 Income before tax 15.8 16.8 Tax, etc. (0.2) 3.8 Profit attributable to non-controlling interests 0.8 0.8 Profit attributable to owners of parent 15.2 12.2 Appendix: Non-operating / Extraordinary Income and Expenses (Effective tax rate) -％ 22.6％ （Billion ¥） 【Income taxes - deferred】 Change in the company classification* in FY25 1Q, etc. *Used to determine the recoverability of deferred tax assets 19
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| August 4, 2026 | © Yokogawa Electric Corporation 107.8 109.5 112.9 122.8 315.7 327.6 340.5 357.4 4.4 5.5 12.8 32.2 0.2 0.6 0.0 0.0 428.2 443.3 466.2 512.5 FY24 4Q FY25 1Q FY25 4Q FY26 1Q Control (Japan) Control (Outside of Japan) Measuring Instruments New Businesses and Others 20 149.52 144.81 159.88 162.39 +46.3 +0.0 +19.5 +16.9 +9.9 Appendix: Order Backlog Trend by Segment （Billion ¥） Exchange rate at the end of each period US$1/¥
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| August 4, 2026 | © Yokogawa Electric Corporation 107.9 109.6 112.9 122.8 345.9 362.7 346.0 357.4 4.8 6.0 13.1 32.20.2 0.7 0.0 0.0458.8 479.0 472.0 512.5 FY24 4Q FY25 1Q FY25 4Q FY26 1Q Control (Japan) Control (Outside of Japan) Measuring Instruments New Businesses and Others +40.5 +0.0 +19.2 +11.4 +9.9 21 162.39 162.39 162.39 162.39 （Billion ¥） Appendix: Order Backlog Trend by Segment (using exchange rate at end of FY26 1Q) Exchange rate at end of FY26 1Q US$1/¥ +21.3
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| August 4, 2026 | © Yokogawa Electric Corporation 316.0 333.5 330.0 339.9 114.4 114.9 104.1 113.1 23.5 24.0 24.9 27.2453.8 472.3 458.9 480.2 FY24 4Q FY25 1Q FY25 4Q FY26 1Q 293.2 305.9 325.8 339.9 107.9 108.1 102.9 113.122.5 23.2 24.7 27.2 423.6 437.2 453.4 480.2 FY24 4Q FY25 1Q FY25 4Q FY26 1Q 22 Life Materials Energy & Sustainability @ exchange rate at end of each period @ exchange rate at end of FY26 1Q Life Materials Energy & Sustainability +21.3 +2.3 +9.1 +9.9 149.52 144.81 159.88 162.39 162.39 162.39 162.39 162.39 +26.8 +2.5 +10.2 +14.1 Exchange rate at end of each period US$1/¥ Exchange rate at end of FY26 1Q US$1/¥ （Billion ¥） Appendix: Order Backlog Trend by Control Subsegment
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| August 4, 2026 | © Yokogawa Electric Corporation 26.2 27.6 27.5 28.5 30.5 32.4 32.1 7.9 33.0 8.3 6.5% 6.8% 7.3% 7.3% 6.7% 6.0% 5.7% 6.0% 5.5% 5.8% 17.7 18.8 17.6 17.9 19.7 22.6 22.9 5.8 25.0 6.6 4.4% 4.6% 4.7% 4.6% 4.3% 4.2% 4.1% 4.4% 4.1% 4.7% 15.0 19.6 20.6 21.7 22.2 27.4 33.1 6.1 32.2 10.6 3.7% 4.9% 5.5% 5.6% 4.9% 5.1% 5.9% 4.7% 5.3% 7.5% CAPEX (% of sales) R&D expenses (% of sales) Depreciation (% of sales) FY20 FY26 1QFY25FY23 FY24FY18 FY19 FY21 FY22 FY25 1Q 0.0 10.0 20.0 30.0 40.0 R&D Depreciation CAPEX Appendix: Trend of R&D Expenses, Depreciation, and CAPEX 23 FY18 FY19 FY20 FY21 FY22 FY23 FY24 FY25 *The Group’s consolidated subsidiaries outside Japan have adopted IFRS 16 (Leases) from FY19. （Billion ¥） FY26 1QFY25 1Q
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| August 4, 2026 | © Yokogawa Electric Corporation 7.9 8.8 9.9 10.8 369.9 365.5 440.3 426.3 54.6 54.6 36.3 36.343.4 43.4 43.4 43.4 218.2 205.3 241.4 232.5 24.4 24.1 24.3 24.2718.3 701.7 795.6 773.4 FY24 4Q FY25 1Q FY25 4Q FY26 1Q 81.2 82.1 88.0 90.7 140.8 142.4 156.0 160.7 18.1 23.5 21.1 26.850.9 54.2 52.6 56.6 238.5 223.4 260.3 242.9 188.8 176.1 217.5 195.8 718.3 701.7 795.6 773.4 FY24 4Q FY25 1Q FY25 4Q FY26 1Q 24 Assets Liabilities and equity ¥144.81 ¥162.39¥149.52 ¥159.88 （Billion ¥） Exchange rate at end of each period $/¥ Cash & time deposits Notes/accounts receivable Inventories Other current assets Fixed assets Investments Interest-bearing dept Other liabilities Paid in capital Capital surplus Retained earnings Minority interests ¥144.81 ¥162.39¥149.52 ¥159.88 Exchange rate at end of each period $/¥ Appendix: Trend of Balance Sheet
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| August 4, 2026 | © Yokogawa Electric Corporation 25 （￥） 19/3 20/3 21/3 22/3 23/3 24/3 25/3 25/6 25/9 25/12 26/3 26/6 26/7/31 YOKOGAWA 2,291 1,303 2,038 2,099 2,150 3,494 2,893 3,855 4,255 5,016 4,744 5,635 5,782 TOPIX 1,592 1,403 1,954 1,946 2,004 2,769 2,659 2,853 3,138 3,409 3,498 3,995 4,003 800 1,800 2,800 3,800 4,800 5,800 6,800 19/3 20/3 21/3 22/3 23/3 24/3 25/3 26/3 YOKOGAWA TOPIX Appendix: Trend of Stock Price
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| August 4, 2026 | © Yokogawa Electric Corporation Disclaimer 26 The information pertaining to our business plans and forecasts that has been provided in this presentation and at analyst meetings contains forward-looking statements that are based on our management’s current knowledge and require the making of assumptions about future events. As such, it cannot be guaranteed that these statements will not differ materially from actual results. Yokogawa undertakes no obligation to publicly update or revise any forward-looking statements after the issue of this document except as provided for in laws and ordinances. The copyright to all materials in this document is held by Yokogawa Electric Corporation. No part of this document may be reproduced or distributed without the prior permission of the copyright holder. The information has not been restated to reflect the revision of the initially allocated acquired costs that was decided upon finalization of the tentative accounting treatment. Treasury & IR Department Yokogawa Electric Corporation Email: Yokogawa_Electric_IR6841@cs.jp.yokogawa.com Phone: +81-422-52-6845 URL: https://www.yokogawa.com/about/ir/
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The names of corporations, organizations, products and logos herein are either registered trademarks or trademarks of Yokogawa Electric Corporation and their respective holders. 27