Financial Results Presentation for FY2025

Security Code: 6768

Prime Market, Tokyo Stock Exchange

TAMURA CORPORATION

Financial Results for FY2025

May 13, 2026

Notice: This document is an excerpt translation of the original Japanese document and is only for reference purposes. In the event of any

discrepancy between this translated document and the original Japanese document, the latter shall prevail.

© TAMURA CORPORATION All Rights Reserved

Agenda

1. Today's Highlights

2. FY2025 Financial Summary

3. FY2026 Full Year Forecast

4. Progress of the 14th

Medium-term Management Plan

【Appendix】

Representative director, president & COO

Mitsutaka Nakamura

Today's Highlights

• FY2025 (ending March 2026) Summary: Sales JPY 123.6B / Operating Profit JPY 5.3B / Net Loss JPY 1.4B

  Accelerated structural reforms, strengthened core growth foundations, and advanced shareholder returns.

  • Selection and concentration of businesses and products: Established Advanced Power Electronics R&D; launched domestic module production; completed divestiture of Network Solutions business of Koha; decided to divest Information Equipment business with early loss recognition.

  • Realignment of business locations and personnel: Completed transfer of Hefei Ecriee-Tamura Electric; special outplacement support program completed as planned.

  • Proactive shareholder returns: Executed share buybacks and dividend increase.

• FY2026 (ending March 2027) Outlook: Sales JPY 130.0B / Operating Profit JPY 5.6B / Net Income JPY 4.5B

  Monetizing structural improvements for a V-shaped recovery and transition to a growth phase.

  • Capturing growth markets: Leveraging large-component design technologies and customer base cultivated in Europe to expand into the AI data center segment, with business expansion centered on Europe and North America.

  • Overseas business expansion: Expanding into the Medium Voltage (MV) market through a business alliance with a European partner, while actively pursuing M&A opportunities.

  • Business selection & focus: Completion of the divestment of the Information Equipment business and the restructuring of China operations.

  • Balance sheet improvement: Rebuilding the asset portfolio (promoting expanded cash allocation toward growth markets).

• Pathway toward FY2027 (ending March 2028): Target ROE of 8%+ / PBR above 1x on a sustained basis

  Harvesting growth built on the foundation established through structural reforms and optimizing capital efficiency.

  • Enhancement of earnings power: Realization of the effects of structural reforms and investment initiatives.

  • Optimization of capital efficiency: Achieving ROE of 8%+ and beginning the challenge toward the next stage.

  • Evolution of portfolio management: Promoting ongoing review of the business portfolio considering market conditions.

1.FY2025 Financial Summary

FY2025 Financial Summary

Sales: Increased (record high)

Increase JPY 9.5B Volume growth +JPY 8.2B Material cost pass-through

+JPY 1.6B

Operating Profit: Increased

Increase JPY 0.1B

Sales expansion +JPY 3.0B Material cost inflation

-JPY 1.9B

Structural improvements

-JPY 1.0B

SG&A and other -JPY 0.4B

Net Loss: Recorded a net loss

*The dividend for FY2024 includes a commemorative dividend of JPY3.

• AI data center and smartphone markets

  performed strongly

• Material cost increases reflected in selling prices

• AI data center and other strategic markets

  performed strongly

• Surging material costs weighed on operating profit, particularly in Electronic Chemicals

• Costs recorded for production transfers, inventory adjustments, and personnel optimization associated with China manufacturing restructuring

  Sustaining dividends supported

  by stable business growth

  Decreased JPY4.2B

  Structural improvements

  -JPY 3.5B

• Costs recorded to improve profitability

  • Transfer of China equity-method affiliate

  • Special outplacement support program

  • Information Equipment business transfer loss

    FY2025 Results - Operating Income Bridge

    [100 Million of Yen]

    FY2024 one-time factors Primarily recognition of past inventory valuation losses in China 52 4			30 -19		53
    		Volume & Price Factors +JPY 1.1B	-10 -4 FY2025 One-time factors Primarily structural improvement costs in China

    FY2024 FY2024

    +JPY 0.1B / +1.8%

    Operating profit growth rate excluding one-time factors +13%

    one-time factors

    Sales expansion Material cost inflation Structural improvement SG&A and other FY2025

    FY2025 Results - Net Income Bridge

    [100 Million of Yen]

    
    
    

    7

    28

    FY2024

    one-time factors

    • Loss on partial business transfer of consolidated subsidiary

    • Valuation loss on shares

of affiliated companies

FY2025 one-time factors

• Transfer of China equity-method affiliate

• Special outplacement support program

• Information Equipment business transfer loss

-41

-8 -14

FY2024 FY2025

one-time factors

Structural improvement Tax expenses and other FY2025

-JPY 4.2B

FY2025 Results - Sales by Business & Area

By Bussiness

[100 million yen]

FY2024

Electronic Components

FY2025

Elec Chemicals &

Soldering Systems

FY2024

FY2025

768

815

346

399

29

21

+48

+6.2%

+53

+15.5%

-7

-25.4%

(+) Large transformers & reactors performed strongly, driven by AI data center demand in the US

(+) Home appliance demand remained steady; industrial machinery roughly flat

(+) AI server demand expanded; smartphone application also solid throughout the year

*Selling price adjustments reflecting surging metal prices (tin, silver, etc.)

FY2024

Informatino Equipment

(-) Challenging capital expenditure environment in the broadcasting industry continued

FY2025

By Area

[100 million yen]

FY2024

Japan

FY2025

FY2024

China

FY2025

FY2024

Other Asisa

365

342

263

297

205

240

308

357

-23

-6.3%

+33

+12.7%

+35

+17.2%

+50

+16.1%

(-) Broadcasters continued to take a cautious stance on capital expenditure

*In June 2025, part of a Japan-focused consolidated subsidiary was transferred to a third party

(+) Gradual recovery in electronic components for home appliances

(+) Strong performance in information & communications and air conditioning sectors

FY2025

Europe and

the Americas

FY2024

(+) Expanding demand from AI data center customers

FY2025

JPY 114.1B +JPY 9.5B

JPY 123.6B +8.3%

© TAMURA CORPORATION All Rights Reserved 8

FY2025 Results - Operating Profit by Business & Area

By Bussiness

[100 million yen]

By Area

Japan

China

Other Asisa

Europe and the Americas

[100 million yen] FY2024

FY2025 ▲ 6

FY2024 FY2025 FY2024 FY2025 FY2024

FY2025

3 -9 (-) Widening losses in the Information Equipment business

Turned to a loss (-) Production restructuring-related costs

19 +2 (+) Strong demand in information & communications including AI servers; smartphones also solid

21 +10.7% (-) Production restructuring-related costs

18 +3 (+) Strong demand in information & communications including AI servers; smartphones also solid

21 +16.5%

12 +5 (+) Expanding demand from AI data center customers

17 +36.8%

JPY 5.2B +JPY 92M

JPY 5.3B +1.8%

*Segment operating income totals do not reconcile with consolidated figures due to eliminations

(primarily corporate R&D expenses). Japan figures include such eliminations.

© TAMURA CORPORATION All Rights Reserved

3. FY2026 Full Year Forecast

FY2026 Full Year Forecast

Completing structural improvements in H1, transitioning to a growth phase from H2

Achieving record-high operating profit and continued enhancement of shareholder returns

*Excluding the Information Equipment business, which is scheduled to be transferred on October 1, 2026. Figures including the Information Equipment business are also provided for reference.

© TAMURA CORPORATION All Rights Reserved 11

FY2025 Forecast - Operating Income Bridge

[100 Million of Yen]

11 2

9

53

-5

56

-14

One-time factors -JPY 0.3B

Completing structural improvements

• China operations reduced by up to 30%

• Domestic business reorganization

  SG&A and other

• R&D investment for growth

• Operational transformation through DX and AI adoption

  FY2025	FY2026	Growth & structural	Information Equipment	Structural improvement	SG&A and other	FY2026
  	one-time factors	improvement effects	business transfer			Forecast

  +JPY 0.3B / +5.9%

  FY2026 Forecast - Net Income Bridge

  [100 Million of Yen]

  
  
  

  5 45

  FY2026 one-time factors

  • Transfer of China equity-method affiliate

  • Special outplacement support program

  • Information Equipment business transfer loss

35

19

Efficiency gains from asset transfers and other

• Asset sales associated with facility restructuring

• Reduction of strategic shareholdings

-14

FY2025 FY2026 one-time factors Efficiency gains from asset transfers and other

Tax expenses and other FY2026 Forecast

＋JPY 5.9B Return to profitability

© TAMURA CORPORATION All Rights Reserved 13

(+) Enhanced competitiveness and increased production capacity in the AI data center market

Key factors behind the changes

815

Electronic Components

Informatino Equipment*

Elec Chemicals &

Soldering Systems

Sales

Change

%

+31

FY2026 Forecast - Sales by Business & Area

By Bussiness

[100 million yen]

FY2025

By Area

Japan

China

FY2025

Other Asisa

FY2026

Europe and

the Americas

240

271

357

409

+31

+13.0%

+52

+14.5%

(+) Enhanced production capabilities through manufacturing restructuring

(+) Increased demand in information & communications including AI data centers

FY2025

(+) Enhanced competitiveness and increased production capacity in the AI data center market

FY2026

JPY 123.6B ＋JPY 6.4B

JPY 130.0B ＋5.2%

*Information Equipment figures for FY2026 reflect H1 only.

© TAMURA CORPORATION All Rights Reserved 14

FY2026 Forecast - Operating Profit by Business & Area

By Bussiness

[100 million yen]

By Area

Japan

China

Other Asisa

Europe and the Americas

[100 million yen]

FY2025 -6

FY2026 -13

FY2025 FY2026 FY2025

▲ 7 (-) Structural reform-related costs

Loss widened

21 ▲ 1 (-) Structural reform and manufacturing restructuring costs

20 -2.5%

21 +7 (+) Increased demand in information & communications including AI data centers

JPY 5.3B +JPY 313M

JPY 5.6B +5.9%

(primarily corporate R&D expenses). Japan figures include such eliminations.

*Information Equipment figures for FY2026 reflect H1 only.

© TAMURA CORPORATION All Rights Reserved 15

4. Progress of the 14th Medium-term Management Plan

Progress of the 14th Medium-term Management Plan

• Executing the 14th Medium-Term Management Plan ahead of schedule, driving structural reforms to achieve a PBR above 1x - and pursuing further growth

  1

  Sales expanding steadily

  On track for 7.8% CAGR, ahead of initial projections

  2

  Structural improvements

  accelerated by one year

  Largely completed in Year 1

  V-shaped recovery from FY2026

  3 FY2027 targets on track

  Operating Margin ≧7.0% / ROE ≧8.0%

  Sales [100 million yen / left axis] / Operating Profit [100 million yen / right axis] / ROE (%)

Initial Medium-Term Plan Sales Forecast Sales Operating Profit ROE

1,300

1,141 52

1,120

1,236

53

7.0% 56

8.0%

4.6%

-2.2%

FY2024 Results FY2025 Results FY2026 Forecast FY2026 Forecast

Driving initiatives toward transformation

Restructuring Phase Growth Acceleration Phase

FY2025 H1 FY2026 H2 FY2026 FY2027

• Reallocation of operations and personnel

  Reorganization and consolidation of China operations

  Special outplacement support program

  Optimizing and strengthening domestic business foundations

  
  
  

  For details, see slides 22-25

• Business portfolio transformation

  Selection and concentration of core businesses

  Painful initiatives completed ahead of schedule

  Expansion in Europe and the Americas Development and expansion of clean energy market products

  For details, see slide 28

• Strengthening management foundation

Asset utilization

Actively driving investments for sustained and expanded longterm growth

Governance enhancement

Enhanced shareholder returns

Reorganization and consolidation of China operations

• Focusing China sites on domestic customers

• Improving cost competitiveness through production consolidation and workforce reallocation

  
  
  

  Reduction of production sites

  Efficiency gains through

  production consolidation

  Completed

  Progress

  Completed

  One-time costs

  Approx.

  -JPY0.4B

  Profitability

  Increased

  Inventory Reduction

  20% reduced

  Inventory write-offs and Asset efficiency improvement equipment transfers

  
  
  

  Ahead of Schedule

  Progress rate

  70％

  Target:

  30% reduction

  One-time costs

  Approx.

  -JPY1.5B

  Subsidiary and affiliate

  reorganization

  One-time gains

  Approx.

  JPY0.8B

  Transfer proceeds

  Fixed asset reduction

  Approx.

  15% reduction Asset reduction across China operations

  	Initiatives	Status	Timeline	Objectives & Impact
  	Transfer of Hefei Ecriee-Tamura Electric stake to its JV partner	Completed	Transfer completed by end of December 2025	Concentrating management resources on strategic areas (Europe and the Americas)
  	Transfer of power supply products from Tamura Electronics (Shenzhen) to Tamura Electronics (Suzhou)	Completed	Completed in March 2025	Improved production efficiency through consolidation, optimization of inventory and headcount
  	Workforce reallocation and inventory reduction at Tamura Electronics (Shenzhen)	Completed	Completed in September 2025
  	Transfer of automotive reactor production from Tamura Automotive Electronics (Foshan) to Wakayanagi Tamura	Completed	Transfer completed in November 2025	Production consolidation and higher-value product sales to improve profitability, with
  New	Closure of Tamura Automotive Electronics (Foshan)	Nearly	To be completed	expanded supply to strategic regions
  		Complete	within FY2026
  New	Collection of sale proceeds from conversion of Shanghai Xiangle Tamura Electro Chemical Industry to wholly-owned subsidiary	Completed	Wholly-owned in May 2025	Faster decision-making and improved capital efficiency

  Optimization and strengthening of domestic operations

• Rebuilding domestic production structure to strengthen the business foundation for revenue expansion in strategic regions and markets

• reviewing workforce composition with a focus on organizational revitalization and succession to the next generation, supported by the special outplacement support program

  Sayama Factory

  In Progress

  Total Investment

  Approx.

  JPY8B

  Phase 1

  Solder powder production transfer

  Capacity expansion and

  Phase 2

  Further production transfer

  enhanced cost competitiveness

  Wakayanagi Tamura

  Production capacity expansion

  In Progress

  Aerospace &

  defense transformers growing demand

  Automotive

  Reactors driving sales expansion in North America

  Profitability

  Enhanced

  By expanding sales of high-value products

  Sakado Factory

  Completed

  Domestic Production production launch capacity

  Module Products Expanshion

  Geopolitical risk mitigation & Strengthening supply to Europe and the Americas

  
  
  

  	Initiatives	Status	Timeline	Objectives & Impact
  	Electronic Chemicals & Soldering Systems: New manufacturing building at	Completed	Completed in	Production consolidation: Capacity expansion,
  	Sayama Factory - from Sayama to the world		October 2025	efficiency improvement, cost reduction, lead time reduction - Establishing Sayama as core production hub for Electronic Chemicals &
  新	Electronic Chemicals & Soldering Systems:	In Progress	Phased rollout from
  	Transfer of operation from Iruma Factory to Sayama Factory		October 2025	Soldering Systems
  	Wakayanagi Tamrura: Aerospace & defense production capacity expansion	Completed	Additional capacity expansion option	Deploying high-value, high-reliability products in high-growth segments
  新	Wakayanagi Tamura: Automotive reactor production capacity expansion - Targeting approx. 40% increase	In Progress	By 2027	Capturing US HEV demand Improving profitability in automotive business
  	Sakado Factory: Launch of domestic production and capacity expansion for module products	In Progress	Additional capacity expansion option	Strengthening supply structure for Europe & the Americas
  	Implementation of special outplacement support program	Completed	Completed in March 2026	Organizational revitalization through workforce restructuring

  Focusing on high-growth segments - Aerospace & defense and automotive

  Aerospace & defense

Rapidly expanding demand driven by defense buildup

50 years of JAXA-certified high reliability in the space industry

Defense budget trends

¥8.7Trillion

¥7.9Trillion

¥6.8Trillion

HEV resurgence as a tailwind for Electronic Components

New automotive reactors for HEV launched from 2026

Automotive reactor production volume and gross margin outlook

New products (illustrative) Current products (illustrative) Gross margin (illustrative)

¥5.3Trillion ¥5.4Trillion

2021 2022 2023 2024 2025

Strong orders for high-value aerospace & defense components

1.5x revenue by 2030 (vs.2025)

Tamura's Strength

JAXA-certified manufacturer

2025 2026 2027 2028 2029 2030

HEV resurgence driving ~5% CAGR in HEV market through 2030*

New high-value automotive reactors launching in 2026,

improving profitability

*Source: MarkLines vehicle sales forecast data

Consolidating production in Japan - Expanding Wakayanagi Tamura capacity, with increased supply to Japan, the US, and Asia

1972 － Developed transformers/coils for Japan's first practical satellite

Stable operation in harsh environments

Meeting stringent requirements for aircraft, rockets, and satellites

EV shift

China

Demand

decrease

Production restructuring

Japan Technology development / Strengthening production

Supply expansion

Japan / US / Asia Significant profitability improvement

Business Portfolio Transformation

Concentrating management resources on core businesses and growth areas

Key Markets

Clean energy-

related markets※1

Key Products

Next-generation power

electronics-related products※2

Key Areas

Europe and

the Americas

Business Transfers

Completed

The network solutions business of Koha Co., Ltd.

June 2025 Concentrating Resources

Transfer Completed Fixed cost reduction

New

In Progress

Information Equipment Business

October 2026

Transfer Planned

Concentrating Resources

Fixed cost reduction

Global Expansion Strategy

Europe: Power Electronics Market

Establishment of Germany Office H2 FY2026

Strengthening collection of technical & development intelligence / Enhancing European presence / Developing next-generation global talent

In Progress

North America: AI Data Center Market

New

Adoption of New Technologies H2 FY2026

Adding MV segment to large transformers & reactors through business partnership

⇒ Expanding business scale

New

Major Expansion of Mexico Plant

H2 FY2026

Launch of MV new product manufacturing

/ Expanding North

America market share

New

Capacity Expansion at ASEAN Facilities

By FY2027

Ramping up transformers & reactors for AI data center HVAC

/ Growing sales to

North America

Strategic Withdrawal

Completed

Audio Transformers Through December 2025

Power Products (selected) By end of 2026

※1. Power infrastructure, heavy industry, next-generation communications, and mobility - including wind, solar & hydrogen power, power transmission & distribution, energy storage, inverters, data centers, edge devices & IoT, EV & V2H, and railway traction.

※2. Large transformers & reactors, high-frequency transformers & reactors, high-voltage gate drivers, large-capacity current sensors, power electronics-related chemical materials, advanced semiconductor materials, and next-generation power semiconductor passive components.

North American AI Data Center (DC) Market Strategy

U.S.

AI Data Center

Europe

JAPAN

Business Scale Expansion

European

Renewable

Global

North American

New Strategic investment to capture new markets

Energy Market

Standardization

DC Orders

1. Alliance with European company Addition of MV products

2. New products added at Mexico factory; capacity expanded

   1. Strengthen Relationships with Leading

      European Manufacturers

      Build a track record with major European manufacturers in the renewable energy market, meeting stringent quality standards for large transformers & reactors.

      LV Segment + MV Segment

      beyond existing scale

      Large Transformer & Reactor production capacity at Mexico Plant

   2. Global Standardization

      Globally standardized components

      European qualification enabling North American adoption

      Existing PDU & UPS Market

      New Systems

   3. North American Expansion & Significant Growth

Capitalize on DC construction boom

Rapid market entry by leveraging established customer

relationships

Expanding existing market Capturing growing new system demand

2027 Production Capacity +200%

(vs. 2025)

Creating businesses and products that support the next-generation society

• Driving next-generation R&D in growth areas through cross-business and industry-academia collaboration, toward the next 100 years

Passive components for next-generation

power semiconductors

In Progress

Target

Markets Strength

Timeline

Solar/wind power inverters, energy storage systems,

power electronics for distribution, data centers, EVs, etc.

Vertically integrated development from materials to modules, combining technologies from the Electronic Components and Electronic Chemicals & Soldering Systems businesses.

Differentiation through materials innovation. Strengthening collaboration with academia and manufacturers.

Completing materials development by 2026, advancing device and module prototyping in parallel, targeting commercialization around 2030

Projected sales of over JPY 10B by 2035

Next-generation electronic chemical materials

In Progress

Target

Market

High-end servers, mobility, AI smartphones, wearables,

advanced displays, solar cells, etc.

Strength

Leveraging electronics assembly and mass production expertise,

with user-driven product development through cross-business collaboration and deep customer engagement.

【Development examples】*Illustrative only

High-current, high-

High heat-resistant

bonding materials

heat-dissipation

bonding materials

Next-generation PICC

(Photo Imageable Coverlay Coat)

Low-reflection, high-resolution

insulating materials

Timeline

Targeting commercialization of select products by 2027

Driving sustained revenue and profit growth across the Electronic Chemicals & Soldering Systems business

Recent Achievement

High-permeability dust core material developed Released March 31, 2026 (Click!)

Permeability μr =1000

• Joint development with Tohoku University's Materials Solution Center Research

• paper accepted at EMC Europe 2026 Prague *

  Recent Achievement

  High-Performance Material PICC (Photo Imageable Coverlay Coat) Adopted

  for Use in AI Servers Released November 7, 2025 (Click!)

  
  
  

  • A material combining coverlay and solder resist functions, offering excellent high-density component mounting and low warpage properties

    * EMC Europe 2026: One of the world's leading international conferences in the field of Electromagnetic Compatibility (EMC)

• Expanding sales for high-end AI data center servers

• Next-generation product development underway

Competitive advantages and differentiation

• Approx. 40% share in PDU transformers for North American data centers* (*in-house estimate)

  
  
  

  Top-tier strength in solder resist for FPC boards in high-end smartphones

  Competitive Positioning Matrix X-axis: Global reach (Local → Global)Y-axis: Value-add (Low → High)

  ↑ High value-add × Local / Niche focus

  S

  ↑ High value-add × Global reach

  Tamura - PDU / High-end smartphones / Vertical integration

  High-frequency & niche

  segment specialists

  Niche

  segment

  Japanese diversified

  manufacturers

  Full coverage

  European & American majors

  Industrial &

  automotive

  ↓ Commodity × Local / Specific regions

  ↓ Commodity × Global reach

  L

  Asia-based local general-

  purpose manufacturers

  Price

  competition

  Taiwan & Asia-based mass

  production manufacturers

  Emerging market mass producers

  Mass-market

  general-purpose

  Commodity

  Key differentiators and

  track record

  PDU transformers & FPC solder resist

  Approx. 40% share in large transformers for North

  ✓

  American data center PDUs (in-house estimate).

  Top-tier track record in solder resist for high-end smartphones.

  Vertically integrated structure from materials

  Combining expertise in electronic chemical materials

  • (insulation technology) and electronic components (magnetic technology). Unique end-to-end capability

  from materials development to module design.

  ✓

  Local-for-local global supply network

  Leveraging Mexico and European sites to meet AI and renewable energy demand in North America and Europe with short lead times.

  ✓

  Next-generation power semiconductor readiness

  Developing next-gen power electronics products including high heat-resistant bonding materials for SiC and composite multilayer substrates for gate drivers, showcased at PCIM.

  
  
  
  
  
  
  

  Strategic objective: Escaping price competition and achieving sustainable growth Moving away from price competition in commodity components, focusing on high-value, high-complexity segments in power electronics including data centers. Delivering agility and customer-centric solutions

  unavailable from large competitors, backed by an end-to-end materials-to-module capability and global network.

  10%+

  2030 Operating Margin Target

  Approx. 40%

  Europe and the Americas sales ratio target

  12%+

  2030 ROE Target

  Cash allocation supporting transformation

  • Balancing growth investment and shareholder returns through disciplined operating cash flow generation, improved asset efficiency, and financial leverage

    
    
    

    Unit: ¥100M

    400

    JPY30~35B

    300

    200

    100

    Cash inflows

    Asset reduction / Borrowings

    Asset reduction / Borrowings Domestic China & others

    Operating

    Shareholder

    returns

    Strategic

    investments

    Europe & Americas Domestic & others

    Cash outflows

    Shareholder returns

    Strategic

    Asset reduction

    / Borrowings

    Operating

    0 CF*

    Operating CF CF

    Routine

    investments

    investments

    Routine

    investments

    Shareholder returns

    Strategic investments

    Routine investments

    2025 2026

    cumulative

    2027

    cumulative

    2027

    cumulative

    2026

    cumulative

    2025

    *Includes asset sales and borrowings, excluding special factors such as business divestitures

    14th Medium-Term Plan

    - 3-year cumulative

    © TAMURA CORPORATION All Rights Reserved 26

    Cash allocation by region for sustainable growth

    • Establishing a global cash repatriation framework

      
      
      

    • Concentrating strategic investment in high-growth segments in Europe and North America, while enhancing shareholder returns

    Europe &

    Europe &

    Americas

    
    
    
    
    

    Other Asia

    Cash inflows:

    Operating CF / Asset reduction /

    Americas

    Other

    Asia

    China

    Routine

    investments

    JPY 5~10B

    Growth

    China Japan

    Borrowings

    JPY 30~35B

    Japan

    Actively investing in growing renewable energy

    and data center markets

    14th Medium-Term Plan

    - 3-year cumulative

    investments JPY 15~20B

    Shareholder returns

    JPY 5B

    Strengthening management foundation

• Building a sustainable management foundation through improved capital efficiency, governance transparency, and execution capabilities

  Asset utilization

  In Progress

  Strategic Financial Growth

  shareholdings foundation investment

  Enhance

  liquidity Strengthened Accelerated

  Improved capital efficiency

  Governance

  enhancement

  Outside director ratio

  50％+

  Authority delegated to Executive Officer Committee

  In Progress

  Strengthened

  management oversight Establishment of new supervisory organization Advancing global governance

  Enhanced

  shareholder returns

  In Progress

  Share buybacks Dividend increase

  JPY1B JPY 10 ▷ JPY 13

  FY2025 results

  
  
  

  AI & DX strategy advancement

  
  
  

  Initiatives	Status	Timeline	Objectives & Impact
  New Accelerating reduction of strategic shareholdings	Nearly Complete	During 2026	Increased free float ratio and capital secured
  New Effective utilization of head office assets	In Progress	During 2026	Capital secured for growth investments
  Authority delegated to Executive Officer Committee, transitioning Board to monitoring role	Completed	Structure maintained through 2026	Enhanced oversight and faster execution
  Establishment of group company management organization	Completed	Established April 2025	Strengthened group governance
  Improvement of global whistleblowing system	Nearly Complete	Rolling out from May 2025
  Maintaining a flexible share buyback policy		Ongoing	Building a stable shareholder base
  Stable dividends as the foundation, targeting DOE of 3%		Ongoing
  New Upgrading core systems to support DX & AI strategies	In Progress	Domestic: through 2027	Operational efficiency and sophistication

  Tamura Beyond the 14th Medium-Term Plan

• Beyond the 14th Medium-Term Management Plan, targeting overwhelming growth in high-margin markets toward 2030

• New business portfolio completed

  • Focused resource allocation: Full shift of management resources to

    clean energy markets in Europe and the Americas

  • Supply chain optimization: Establishing an integrated global supply network across Europe and the Americas, Asia, and Mexico

• Building competitive advantage through vertical integration

  • Differentiation through proprietary materials: Realizing unique, one-of-a-kind "Only One" products leveraging in-house technology

  • Strengthened competitiveness through end-to-end optimization:

    Shortened development lead times through faster decision-making

    
    
    

  • Expanding into high-value segments: Targeting dominant advantage in magnetic passive components for next-generation power semiconductors

• Product supply structure in high-margin segments

  • Power infrastructure & heavy industry: Large-scale & high-frequency

    transformers/reactors, high-capacity current sensors

  • Next-generation communications & mobility: Power electronics chemical materials, advanced semiconductor materials, gate drivers

• ROIC≧8%

  Capital efficiency: ROE≧12%

  Improved profitability: Operating margin≧10%

  
  
  

• Sales≧¥150B

• Shareholder returns:

  DOE≧3%

• PBR≧1.0x (on a sustained basis)

~

FY2030 Target

© TAMURA CORPORATION All Rights Reserved 29

【Appendix】

Sales & Profit By Business

Electronic Components

• FY2026 Results: Large transformers and reactors grew significantly driven by expanding US AI data center demand; power tool chargers remained stable; air conditioning applications and automotive reactors maintained steady demand.

• FY2027 Forecast: Large transformers and reactors to continue expanding; home appliance demand expected to be flat to slightly down.

  [100 million yen]	FY2024	FY2025			Key Factors Behind the Changes (+) Positive Factors / (-) Negative Factors	FY2026
  	Actual	Actual	Composition	YoY		Forecast
  Sales by product	768	815	100.0%	6.2%		846
  Large transformers & reactors	158	202	24.7%	27.4%	(+) Strong performance driven primarily by US AI data center demand	246
  Transformers	72	86	10.6%	19.3%	(+) Gradual recovery for home appliances; growth in space and defense	92
  Coils & reactors	224	232	28.5%	3.8%	(+) Gradual recovery for home appliances; growth in space and defense	230
  AC adapters & chargers	130	128	15.7%	▲ 1.5%		111
  EMS	21	25	3.0%	14.6%		22
  Modules	74	77	9.5%	3.9%		85
  Other	87	65	7.9%	▲ 25.8%	(-) Decline due to partial business transfer to a third party	60
  Sales by market	768	815	100.0%	6.2%		846
  Industrial machinery	168	162	19.8%	▲ 3.9%	(-) Impact of partial business transfer; cautious manufacturing capex	169
  Energy	209	251	30.7%	19.6%	(+) Strong performance in large transformers and reactors	297
  Transportation & auto	80	84	10.3%	5.4%	(+) Increased sales to North American market	86
  Home	262	272	33.4%	3.8%	(+) Gradual recovery in air conditioning applications	251
  Information & communications ・ AV and other	48	47	5.7%	▲ 3.1%		44

  Sales & Profit By Business

  Electronic Chemicals & Soldering Systems

• FY2026 Results: Electronic Chemicals sales increased.

  Solder paste sales rose in line with rising material prices; solder resist for smartphones performed well. Soldering Systems saw continued cautious capex sentiment among domestic and overseas manufacturers.

• FY2027 Forecast: Electronic Chemicals expected to benefit from expanding AI server-related demand. Soldering Systems expected to benefit from increased investment in the ASEAN region.

  [100 million yen]	FY2024	FY2025			Key Factors Behind the Changes (+) Positive Factors / (-) Negative Factors	FY2026
  	Actual	Actual	Composition	YoY		Forecast
  Sales by product	346	399	100.0% 62.6% 19.4% 7.9% 10.0%	15.5% 17.4% 17.0% 20.0% ▲ 1.6%	(+) AI server demand expanded; smartphone applications also solid throughout the year *Selling price adjustments reflecting surging metal prices (tin, silver, etc.) (+) Strong demand in information & communications including AI servers; smartphones also solid (-) Cautious capex sentiment continued, remaining at prior year levels	450
  Solder paste	214	251				296
  Solder resist	67	78				78
  Flux	26	32				30
  Soldering systems	41	40				46

  Balance Sheet and Cash Flows as of March 2026

• 電子化学実装の製造棟新設により固定資産が増加

• 純資産は、自己株式の取得、および配当金支払いの増加によ り減少

  	25/3	26/3	YoY
  Equity ratio 51.3%		47.4%	-3.9pt

  [100 million yen]	25/3	26/3	YoY
  Cash and bank deposit	203	190	-13
  Trade receivables	301	335	34
  Inventories	244	258	14
  Tangible fixed assets	310	338	28
  Total assets	1,243	1,324	80
  Accounts payable Interest-bearing debt Net assets Total liabilities and net assets	149 339 640 1,243	170	21
  		385	45
  		629	-11
  		1,324	80

  Cash Flows

  [100 million yen]

  Operating CF	90.8	33.2	-57.6
  Investing CF	-39.0	-52.7	-13.7
  Financing CF	-36.4	3.2	39.6
  Free CF	51.8	-19.5	-71.3
  Net change in cash	24.8	-13.8	-38.6
  Cash balance	194.7	181.0	-

  Capital Expenditure, Depreciation and R&D

• New manufacturing building for Electronic Chemicals & Soldering Systems completed in FY2026, resulting in increased depreciation.

• R&D continues to focus on component technologies and products for next-generation power

semiconductors.

*R&D-related expenses are aggregated based on the Company's own standards, including expenses, labor costs, and capital expenditures associated with R&D projects.

Sales & Profit Quarterly Trend Sales Operating Profit OP%

FY2021

0.5% 0.8% 0.7%

4.3%

2.8%

FY2022

5.2%

3.8%

5.7%

2.5%

FY2023

5.5% 6.2%

4.0%

4.5%

FY2024

5.0%

2.0%

6.4%

4.1%

FY2025

5.8%

2.9% 4.4%

2.4%

FY2026

Forecast

4.9% 5.2% 4.6%

195 216 214

258

240 255

289 297

245

274 270 277

244

280

302 314

289 293

316 338 317 335 327 321

1.0 1.8 1.6

11.2 6.8 9.7

15.0 16.9

6.2

11.0

15.0 17.2

10.9

5.7

20.2

15.1

11.8

17.1

9.1

14.9

7.5

16.5 17.1 14.9

Q1 Q2 Q3 Q4

Q1 Q2 Q3 Q4

Q1 Q2 Q3 Q4

Q1 Q2 Q3 Q4

Q1 Q2 Q3 Q4

Q1 Q2 Q3 Q4

[100 million yen]

Sales

Operating Profit OP%

H1

411

2.8

0.7%

H2

472

12.8

2.7%

H1

494

16.5

3.3%

H2

585

31.8

5.4%

H1

519

17.2

3.3%

H2

548

32.2

5.9%

H1

525

16.6

3.2%

H2

616

35.4

5.7%

H1

582

28.8

5.0%

H2

654

24.0

3.7%

H1

652

24.0

3.7%

H2

648

32.0

4.9%

Quarterly Sales & Profit of Electronic Components

Quarterly Sales & Profit of Electronic Chemicals & Soldering Systems

Quarterly Sales & Profit of Information Equipment

Sales

Operating Profit OP%

FY2021

-20.3%

-2.9%

FY2022

12.7%

16.6%

FY2023

27.6%28.3%

6.6%

FY2024

3.3%

7.8%

FY2025

-20.1%

7.1%

FY2026

Forecast

-27.8%

-97.6%

6.5

-67.1%

8.2

-24.8%

6.8

-52.9%

10.4

-82.7%

6.7 7.8

13.6

-12.1%

8.5

6.3

-62.5%

10.4

-93.7%

5.5

-68.7%

9.4

-385.5%

2.5

3.6

4.2

0.9

3.0

1.7

2.1

0.4

3.9

2.1

0.3

3.4

0.8

3.1

3.3

0.70.8

3.2

0 0

-1.3 -0.2 -1.0

-2.4 -2.4

-1.6

-1.7

-0.8

-2.1

-1.1

-2.9 -2.3

-0.9

-3.1

Q1 Q2 Q3 Q4

Q1 Q2 Q3 Q4

Q1 Q2 Q3 Q4

Q1 Q2 Q3 Q4

Q1 Q2 Q3 Q4

Q1 Q2 Q3 Q4

[100 million yen] H1

Sales

Operating Profit

OP%

H2 H1

H2 H1

H2 H1

H2 H1 H2

H1 H2

*Business transfer scheduled for October 1, 2026

Quarterly Sales & Profit by Area Japan China

Sales

Operating Profit [100 million yen]

95

76 79

66

70 76 78

97 88

98 98 106

86

92 92 102

8.1

85 88

101 92

94

80 85 83

61 52 54 52

84

62 61

63 60

87 80

67 66 67

48 42

71 64

86

10.6

86

63 72 75

-2.3-1.8-1.4

5.5

-2.8

2.8

-0.81.2 0.7

2.1

-0.1

2.4

2.8

-0.50.2 0.3-1.7

2.5

-1.5

25 6.4 3.5

-0.2

1.9 1.5 1.2

3.2 4.0

2.1

7.6 7.4

3.5

2.0

4.0 4.8 4.4

1.2 0.6

6.2

4.4 6.3

2.2

7.6

-4.5

-4.3

-3.3

-5.2

Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4

Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4

FY20

FY21

FY22

FY23

FY24

FY25

FY20

FY21

FY22

FY23

FY24

FY25

* Japan Operating Profit includes consolidation adjustments

71 76

84

76

83

26 21 29 31

37 42 39 36 46

53 52 51 60 66 65 63

0.2 0.9 0.7 0.8 1.0 1.7 0.9 1.2

2.0 1.8 2.2 0.6 3.5 2.7

5.0

5.6

1.3

4.0

5.1

2.3

Other Asia Europe and the Americas

35

2.1-0.32.4 3.8 3.3 2.5 2.8 3.4 3.8 4.1

23 31

35 36 36 36 41 43 44

50 49 47 45 47 45

5.4 7.5 5.4 5.3 5.6

4.1 3.5 3.0 3.7

4.8

3.5 4.2

7.0 6.5

90

92 92

52 60

53 61 56 53 66 66

-0.4-0.4

-0.1

-0.2

Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4

FY20

FY21

FY22

FY23

FY24

FY25

FY20

FY21

FY22

FY23

FY24

FY25

Sales and Operating Profit

売上

億円

） 140

Sales Profit [100 million yen]

（

Sales

Operating Profit OP %

1,300

1,236

12%

6.9%

886

910

862

6.4%

870

1,080

883

1,141

1,066

10%

8%

845

842

812

846

856

797

738

782

745760788

775

772

796

739

769

692726

5.0%

733

689

4.6%

4.3% 6%

653

640652

4.5%

636

4.6%

4.3%

604

42

585

548

34

2.9%

17 17

29 26

50 46

36 38 40

33 35

28 28

42 45

2.5%

19

0.8%

24

51 54

40 43

4.5%

46 48

1.8%

23 20

49 52 53 56 4%

2%

1.1%

7

14

2

-1.7%

90

91

92

93

94

95

96

97

98

99

00

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

-13

16 0%

6

-2%

-4%

© TAMURA CORPORATION All Rights Reserved