SINBON 2025 1Q RESULTS & PROSPECTS

Prepared by Finance 2025/05

Safe Harbor Notice

This presentation contains forward looking statements and is subject to significant risks and uncertainties.

Actual results may differ materially from those in the forward-looking statements.

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SINBON in Brief

Custom Cable Assemblies & Connectivity Solutions

SINBON AT A GLANCE

Integrated Solution Provider in the M.A.G.I.C. industries

36 Y Founded in 1989		1,030 2024 Revenue USD million	6,500 Worldwide employees	↑	3 R&D Centers
	8	30	↑	100 ↑		3023
	Factories in Asia, Europe, America		Global service sites	Branded customers		Listed on Taiwan Stock Exchange

NEVER STOP INNOVATING

Milestone

-Cable Assembly -Component Distribution	-Box Build -PCB Assembly -Cable Assembly -Component Distribution	-Antenna Design -System Integration -Box Build -PCB Assembly -Cable Assembly -Component Distribution	-Customized Automation -Sensor Integration -System Integration -Box Build -PCB Assembly -Cable Assembly -Component Distribution	-Customized Automation -Sensor Integration -System Integration -Box Build -PCB Assembly -Cable Assembly -Component Distribution
1989	1999	2009	2019	2023

WHAT WE DO

We help you

PROVEN EXPERTISE IN MAGIC

6/10

6 of the world's 10 largest medical imaging equipment manufacturers adopt SINBON solutions

6/10

6 of the world's 10 largest automotive vendors adopt SINBON solutions

8/10

10 of the world's 10 largest wind turbine suppliers adopt SINBON solutions

9/20

9 of the world's 20 largest industrial equipment vendors adopt SINBON solutions

53

Our customers come from over 53 countries

BRING YOUR IDEAL CONCEPTS TO LIFE

GROW STEADILY

Sales Revenue & 2024 Business Segments

GLOBAL FOOTPRINT

QUALITY, WE GUARANTEE

Certification

	Miaoli ML JY (Taiwan)	Jiangyin (China)		Beijing BJ (China)		TC	Tongcheng (China)	ZS	Tatabánya TA (Hungary)	DA (USA)	Dayton, OH	MX	(Mexico)	San Luis Potosi
QUALITY	ISO 9001	ML	JY	BJ	TC	TA	DA	ZS MX	AUTOMOTIVE	IATF 16949	ML	JY	TC	ZS
	IPC-610 (class2)	ML	JY	BJ	DA			(In progress)	AVIATION	AS 9100	ML	JY
	IPC-620 (class2)	ML	JY	BJ	TC	TA	DA		LAB	ISO 17025	JY
	UL	ML	JY	BJ	TC	TA	DA		ENVIRONMENT	ISO 14001	ML	JY	BJ	TC	TA	ZS
	QC080000	ZS								ISO 14064-1	ML	JY	BJ	TC	TA	DA ZS
	ANSI/ESD S20.20	ML	JY						SOCIAL	ISO 45001	ML	JY	BJ	TC	ZS
MEDICAL	ISO 13485	ML	JY	TC	TA	DA			RESPONSIBILITY	SA 8000	ML	JY
DEVICE	MedAccred	JY								RBA VAP	ML
	FDA	ML	JY						EMS	ISO 50001	ML	JY	BJ	TC
INFORMATION SECURITY	ISO 27001	ML								AS 9100:for commercial application ISO 50001:	Energy Management System

OUR SERVICE

Complete Manufacturing & Flexible Production Solutions

OUR CAPABILITY

Be your innovation partner

ENGINEERING CAPABILITY

Our engineers routinely use DFM to ensure consistent manufacture and allow any potential problems to be fixed in the design phase. "

Electronic Engineering Power management / Interface data transmission / Remote side charging function / Board level design / Radio frequency technology "

Firmware Capabilities MCU firmware design / Device driver / OS porting / Boot loader development

Software Capabilities APP programming (PC / mobile) / Web service design / Data base design

Mechanical Design ME customized design / Tooling services / ID customized design / 3D modeling

Auto Test APP programming / Real time data display / Fixture design

Design Quality Engineering Function validation / Reliability validation / EMC / Safety validation

DESIGN & MANUFACTURING CAPABILITY

We help you

Rapid 3D Prototyping

Fast Plastic 3D Printer
High Fidelity Plastic 3D Printer
High Strength Plastic 3D Printer
Metal 3D Printer

In-house Tooling Shop

Shorter Cycle Time to Market Reduce Unnecessary Time Cost

In-house Fixture Repair
In-house Fixture Maintain
5S Cleaning Station
Mold tool / assembly feature design & manufacture

3D Modeling

Extend Product Lifespan

Fill Time Evaluation Pressure Drop

Weld Line Location

Draft Check Analysis

DESIGN & MANUFACTURING CAPABILITY

We provide you

• Custom Cable Design & extrusion

Unique / Complexity Cable
Follow UL standards
Ultra high temperature / high bending
High flexibility production

And more!

INSTANT GLOBAL SERVICE

Business Development

Familiar with the Global Market

Identify trends and market needs to develop opportunities for customers' growth and suggest innovative solutions. 30+ Worldwide Sales Offices Senior Executives from European and American Regions 8.7%

CUSTOM SALES & CONSULTING SERVICE

Sales Engineer

Expertise in M.A.G.I.C. Industry

Keep in touch with customers, provide track customer opinions and needs, and deploy factory resources flexibly.

Professional in Integrated Service

Customer Service

Set up a specialized team to communicate with customers based on their different specific solution needs instantly.

INSTANT GLOBAL SERVICE

Tatabánya, Hungary Factory – 3,800m²

Capability Fiber optic cable assembly Copper cable assembly Box build High mix low volume

CHINA Jiangyin Factory I – 12,179 m2 Factory II – 21,060 m2 Factory III – 14,850 m2 Factory IV – 10,548 m2

Capability Cable assembly PCB assembly Molding Low pressure molding Box build Bulk cable factory Tooling shop Laboratory High mix low volume High volume low mix Clean room (100k) Control cabinet assembly Testing Center

Miaoli Factory I – 7,262 m² Factory II – 4,390 m² Factory III – 8,666 m² Factory IV – 11,265 m²

TAIWAN

Capability Cable assembly PCB assembly Molding Box build Clean room (10k/ 100k) Automated storage & retrieval system High volume MEXICO

GLOBAL PRODUCTION FOOTPRINT

USA Dayton, Ohio

Capability Cable assembly PCB assembly Box build Molding High mix low volume

TESTING & VALIDATION

Include bending, cold bending, moisture resistance, salt spray, storage life, cold impact, coiled cable extraction, electricity, highpot, pulling force, thermal shock test, … etc.

Durability Test

Fluid Immersion Test

Damp Heat Cycling Test

Test

Salt Spray

Bending Test

Pulling Force Test (capacity range: 0.1 kg - 2000 kg)
Salt Spray Test
Flammability & Combustion Test
Aging Life Test
Thermal Shock Test (temp. range -50℃- +150℃)
X-Ray Machine (Thickness Meter)
Bending Test
Coiled Cable Extraction Test
Vibration Test
Cold Bending Test (temp. range -50℃)
High frequency Test (Network Analyzer)
High Humidity Test
High-Pot Test

Test

• Moisture Resistance Test

TESTING & VALIDATION

Include mechanical shock, thermal shock test, Salt Fog Test, Packaged Test, Chemical loads Test, Temperature Cycle Test ,Cycle corrosion test, Insertion Test, Solar Radiation, IP Degree, … etc.

Durability Test

Chemical Loads Test

Damp Heat Cycling Test

Packaged Test

Salt Fog Test
Altitude Test (Non-op)
Altitude (Low Pressure)
Low Temperature Test (Storage)
High Temperature And Humidity Cycle Test (Storage)
Temperature Cycle Test (Operation)
Cycle Corrosion Test
Un-packaged Vibration Test (Operation)
Packaged Vibration Test (Storage)
Vibration Test (Operation)
Mechanical Shock
Free Fall Test
ESD Test
Ingress Protection Test (IP)
Chemical Loads Tests
Casual Spill Test
Thermal Shock Test
Functional Shock Test (Non-operation)
Packaged Test (ISTA 1A / ISTA 2A)
Insertion Test
Corrosion Test With Flow Of Mixed Gas
Solar Radiation

QUALITY CONTROL

E-MANAGEMENT Easily, Accurately, Timely

Quality
Control materials with barcodes and computer system, implement FIFO
Save the data and trace the product record easily
Analyze quality issues fast and precisely

Check traceability of abnormal materials and report to suppliers instantly
Analyze materials issue fast and accurately
Lab
Manage fixture checklist and inspected date with tracing system
Use tests application system to save test data and analysis fee conveniently

Incoming Quality Control In-process Quality Control Final Quality Control Outgoing Quality Control

SQE QE IQC IPQC FQC OQC

SUPPLY CHAIN MANAGEMENT

We ensure you

CONTINUITY OF SUPPLY

It is difficult to provide customized items at any time, but SINBON can ensure to provide you with a complete supply chain.

Corporate with reliable suppliers to ensure consistent material quality
Provide flexibility to volume and mix production

Lead Time Optimization Global Commodity Management Instant Localized Support

Consolidated procurement system to get the most competitive cost
Leverage global sourcing team to secure in competitive pricing and shorten materials lead time
24-hour global contact points
Instant shipping arrangement upon customer's requests
Provide localized engineering support to quickly respond to customer's needs

CUSTOMER TRUST

20years

Cooperation Time

How long we have been trading with some of our customers

Percentage of Top 100 recommend by promoters Referral Rate

How long we have been trading with our Top 100 customers 9.5years average Customer Retention

We have been trading over 10 years 44%of Top 100 Customer Reputation

ALL YOU NEED IS SINBON

End to End Service

PROJECT START

Setup the project team
Concept and application

Project End

EOL management
Mutual review

Global Logistics

• EDI processing • VMI, JIT services • Worldwide hubs

* DFM: Design for Manufacturability EVT: Engineering Validation Test, Prototypes DVT: Design Verification Test, Standard Conformity APQP: Advanced Product Quality Planning and Control Plan PFEMA: Process Failure Mode and Effects Analysis PVT / PPAP: Production & Parts Verification Test

CORE COMPETENCY

Customer-oriented Strategy Dedicated Service Team Organized Project Control Global Supply Chain Management

• NDA contract

Design & Test

Engineering Service • DFM * • EVT • APQP/PFMEA • PVT/PPAP

• Global sourcing

• DVT

Supply Chain Management & Manufacturing

Cable assembly
PCB assembly
Box build
Laboratory

• Tooling shop

FINANCIAL FOCUS

MONTHLY REVENUE

Unaudited Consolidated Result

In NTD K's	2025	2024	2023
Jan	2,759,272	2,709,503	2,756,409
Feb	2,760,145	2,503,571	2,858,524
Mar	2,702,130	2,807,213	2,898,530
Apr	2,574,473	2,820,795	2,911,678
May		2,825,462	2,922,842
Jun		2,741,625	2,930,175
Jul		2,800,068	2,707,368
Aug		2,811,521	2,754,477
Sep		2,858,220	2,802,165
Oct		2,805,869	2,603,676
Nov		2,880,434	2,622,952
Dec		2,653,470	2,200,509
Total	10,796,020	33,217,751	32,969,305

LAST 5 QUARTERLY RESULT HIGHLIGHT

Audited or Reviewed Consolidated Result

In NTD K's	1Q'25	4Q'24	3Q'24	2Q'24	1Q'24
Net Sales	8,158,804	8,316,497	8,429,778	8,305,344	8,035,886
Gross Profit	1,999,791	2,000,563	2,038,288	2,128,267	2,073,624
Gross Margin %	24.51%	24.06%	24.18%	25.63%	25.80%
Operating Expense	(936,995)	(1,188,322)	(1,152,672)	(1,167,705)	(1,174,013)
Operating Income	1,062,796	812,241	885,616	960,562	899,611
Operating Margin%	13.03%	9.77%	10.51%	11.57%	11.19%
Net Non-operating P/L	168,467	132,858	289,286	236,048	329,514
Income Before Taxes	1,231,263	945,099	1,174,902	1,196,610	1,229,125
Income Taxes	(309,695)	(216,986)	(228,170)	(259,533)	(317,602)
Less: Minority Interests	(2,815)	(4,814)	(2,353)	1,631	(19)
Net Income	924,383	732,927	949,085	935,446	911,542
Net Margin %	11.33%	8.81%	11.26%	11.26%	11.34%
Basic EPS (NTD)	3.85	3.05	3.95	3.90	3.80
Stockholders' Equity	16,420,951	15,280,571	14,573,544	13,576,946	14,896,615
ROE (Quarterly)	5.6%	4.8%	6.5%	6.9%	6.1%

QUARTERLY EARNINGS REVIEW

Audited or Reviewed Consolidated Result

In NTD K's	1Q'25	4Q'24	QoQ	1Q'24	YoY
Net Sales	8,158,804	8,316,497	-1.90%	8,035,886	1.53%
Gross Profit	1,999,791	2,000,563	-0.04%	2,073,624	-3.56%
Gross Margin %	24.51%	24.06%	0.45pts	25.80%	-1.29pts
Operating Expense	(936,995)	(1,188,322)	-21.15%	(1,174,013)	-20.19%
Operating Income	1,062,796	812,241	30.85%	899,611	18.14%
Operating Margin%	13.03%	9.77%	3.26pts	11.19%	1.84pts
Net Non-operating P/L	168,467	132,858	26.80%	329,514	-48.87%
Income Before Taxes	1,231,263	945,099	30.28%	1,229,125	0.17%
Income Taxes	(309,695)	(216,986)	42.73%	(317,602)	-2.49%
Less: Minority Interests	(2,815)	(4,814)	-41.52%	(19)	14715.79%
Net Income	924,383	732,927	26.12%	911,542	1.41%
Net Margin %	11.33%	8.81%	2.52pts	11.34%	-0.01pts
Basic EPS (NTD)	3.85	3.05	0.8	3.80	0.05
Stockholders' Equity	16,420,951	15,280,571		14,896,615
ROE (Quarterly)	5.6%	4.8%		6.12%

REVENUES BY MARKET SEGMENT (QUARTERLY)

In NTD K's

Industry	1Q2025	4Q2024	1Q2024	QoQ		YoY
Green Energy	2,027,602	1,514,792	2,628,367	512,810	34%	(600,765)	-23%
Industrial Application	2,469,845	2,433,708	2,260,144	36,136	1%	209,701	9%
Medical Health	671,930	628,057	669,410	43,874	7%	2,520	0%
Automotive	1,156,990	1,366,307	1,164,207	(209,317)	-15%	(7,217)	-1%
Communication	1,832,437	2,373,633	1,313,758	(541,196)	-23%	518,679	39%
Total	8,158,804	8,316,497	8,035,886	(157,693)	-2%	122,918	2%

SHARE OF REVENUES BY MARKET SEGMENT (YTD)

FINANCIAL RATIOS

	1Q2025	2024	2023	2022	2021	2020
Debt Ratio	43.4%	49.6%	54.4%	59.1%	59.0%	58.8%
Long-term Funds to Property, Plant and Equipment Ratio	473.0%	463.0%	454.8%	471.7%	424.1%	417.4%
Current Ratio	198.5%	173.7%	158.3%	155.5%	153.4%	161.8%
Quick Ratio	140.6%	119.6%	91.0%	82.8%	79.1%	106.7%
Times Interest Earned Ratio	74.88	81.23	39.43	46.58	39.4	56.5
A/R Turnover	3.40	3.77	3.98	4.02	3.79	3.71
A/P Turnover	3.41	3.51	3.22	3.69	3.87	3.95
Inventory Turnover	3.53	2.80	2.16	2.10	2.53	3.32
Property, Plant and Equipment Turnover	8.89	9.51	10.21	10.30	9.59	8.62
Total Assets Turnover	1.11	1.08	1.07	0.95	1.00	0.98
ROA	12.6%	11.5%	10.7%	8.7%	8.6%	8.9%
ROE	22.5%	23.1%	23.9%	22.8%	22.5%	23.1%
Profit Before Taxes to Capital	205.2%	189.4%	163.2%	161.1%	129.8%	117.2%
Net Margin	11.3%	10.7%	10.0%	9.4%	9.1%	9.7%
Basic EPS (NTD)	3.85	14.70	13.71	12.22	10.0	9.1

The relevant information is as follows :https://www.sinbon.com/financial-info

LAST 5 ANNUAL RESULT HIGHLIGHT

Audited Consolidated Result

In NTD K's	2024	2023	2022	2021	2020
Net Sales	33,087,505	32,762,285	30,574,800	25,530,706	21,797,542
Gross Profit	8,240,742	8,405,730	7,731,524	6,409,195	5,585,997
Gross Margin %	24.91%	25.66%	25.29%	25.10%	25.63%
Operating Expense	(4,682,712)	(5,008,867)	(4,405,075)	(3,621,336)	(2,936,820)
Operating Income	3,558,030	3,396,863	3,326,449	2,787,859	2,649,177
Operating Margin %	10.75%	10.37%	10.88%	10.92%	12.15%
Net Non-operating P/L	987,706	521,324	516,016	240,841	78,689
Income before Taxes	4,545,736	3,918,187	3,842,465	3,028,700	2,727,866
Income Taxes	(1,022,291)	(826,295)	(819,435)	(540,871)	(544,366)
Less: Minority Interests	(5,555)	(192,022)	142,477	156,327	69,632
Net Income	3,529,000	3,283,914	2,880,553	2,331,502	2,113,868
Net Margin %	10.67%	10.02%	9.42%	9.13%	9.70%
Outstanding Shares (K's)	240,069	240,033	236,584	233,377	232,778
Basic EPS (NTD)	14.70	13.71	12.22	10.00	9.08
Stockholders' Equity	15,280,571	13,767,831	12,633,499	10,357,746	9,154,788
ROE %	23.09%	23.85%	22.80%	22.51%	23.09%

ANNUAL EARNINGS REVIEW

Audited Consolidated Result

In NTD K's	2024	2023	YOY
Net Sales	33,087,505	32,762,285	0.99%
Gross Profit	8,240,742	8,405,730	-1.96%
Gross Margin %	24.91%	25.66%	-0.75pts
Operating Expense	(4,682,712)	(5,008,867)	-6.51%
Operating Income	3,558,030	3,396,863	4.74%
Operating Margin %	10.75%	10.37%	0.38pts
Net Non-operating P/L	987,706	521,324	89.46%
Income before Taxes	4,545,736	3,918,187	16.02%
Income Taxes	(1,022,291)	(826,295)
Less: Minority Interests	(5,555)	(192,022)
Net Income	3,529,000	3,283,914	7.46%
Net Margin %	10.67%	10.02%	0.64pts
Outstanding Shares (K's)	240,069	240,033
Basic EPS (NTD)	14.70	13.71	0.99
Stockholders' Equity	15,280,571	13,767,831
ROE %	23.09%	23.85%

REVENUES BY MARKET SEGMENT (ANNUAL)

In NTD K's

Industry	2024	2023	Increase (Decrease)	+/- %
Green Energy	8,400,006	9,936,675	(1,536,669)	-15%
Industrial Application	9,580,353	9,057,678	522,675	6%
Medical Health	2,682,619	2,689,049	(6,430)	0%
Automotive	4,835,640	4,946,435	(110,795)	-2%
Communication	7,588,887	6,132,448	1,456,439	24%
Total	33,087,505	32,762,285	325,220	1%

SHARE OF REVENUES BY MARKET SEGMENT (ANNUAL)

FINANCIAL RECORDS

REVENUE

2018-2024

NTD in Millions

GROSS PROFIT

2018-2024

NTD in Millions Gross Margin (%)

NET PROFIT

2018-2024

DIVIDEND POLICY 2018-2024

NTD per Share

	2018	2019	2020	2021	2022	2023	2024
EPS(NT\$)	6.26	7.47	9.08	10.00	12.22	13.71	14.70
Cash Dividend(NT\$)	4.50	5.30	6.30	7.00	8.5	9.6	10.25
Stock Dividend(NT\$)	-	-	-	-	-	-	-
SUM	4.50	5.30	6.30	7.00	8.5	9.6	10.25
Payout Ratio	72%	71%	69%	70%	70%	70%	70%
Year-end Stock Price	82.8	124.0	216.0	284.0	275.0	299.0	262.0
Yield Rate	5.43%	4.27%	2.92%	2.46%	3.09%	3.21%	3.91%

(Base on average price)

SUSTAINABLE REVENUE

2019-2024

Revenue from products and services includes the generation of renewable energy, improvements in energy efficiency, and support for major disease treatments

PRODUCT EXPERIENCE

SEMICONDUCTOR RENAISSANCE IN AI ERA

AI Semiconductor Equipment

Semiconductor equipment booms with AI trend. SINBON provides wire harnesses for high-performance computing and real-time processing in precision process equipment. We also help clients to assemble semi-finished products for deposition and etching.

SINBON Products

Raw cable design and manufacturing
Wire harness design, arrangement, and assembly
Modular assembly of large and small cabinets
Revolutionizing product quality control and service to earn the highest level of customer trust.
Harnesses with exceptional precision and reliability.
Provide customized wiring harness and module solutions according to different equipment application requirements.
Provide environmentally friendly material choices and manufacturing processes.

A NEW SOLUTION TO THE LABOR SHORTAGE

AI Humanoid Robot

Humanoid robots with AI are accelerating, assisting sorting and inspection in manufacturing and warehouse, driving production efficiency. It is also expected to spread to various industries in the future, solving labor shortages and even entering daily life.

SINBON Products

Sensor connectors and harnesses
Signal transmission connectors and harnesses
Video capture connectors and harnesses
BMS (Battery Management System) connectors and harnesses
Battery charging connectors and harnesses
Lightweight design for connectors and cables
Engineering services for customized connectors and cables
Durable cables for a variety of applications
Superior EMI immunity of cables
Supports high speed signal transmission

SMART RETAIL ACHIEVES EXTREME SHOPPING Unmanned Store

Unmanned Store Sensors

Unmanned stores with AI provide a faster shopping experience. SINBON expands market from USA to Europe by installing wire bonded sensors in stores and on shelves to detect consumer purchases through weight and images, realizing smart new retail.

SINBON Products

Signal harness
Weight sensor harness
Video capture harness
Customized connectors
Conduct simulation tests according to different store environments to verify image quality
Customized design

HUMAN-MACHINE COLLABORATION WAREHOUSE

Smart Warehouse - Part I

Warehouse & Logistics Robot/ Intelligent Robot Arm

The machine can be flexibly moved and adapted to the warehouse environment, providing an efficient and cost-effective solution for human-machine collaboration.

Smart Safety Vest

Vest with harness connects to battery, sensor, vibrator and buzzer, allowing warehouse logistics robot to sense wearer and avoid collision.

SINBON Products

Warehouse & Logistics Robots/Intelligent Robot Arms: Connectors, Harnesses, Sensor Harnesses
Products Advantages • Smart Safety Vest: Connection Harness, Sensor Harness

Warehouse & Logistics Robots/ Intelligent Robot Arms:

High insertion and extraction lifetimes
High lifespan of fast charging connector (120,000 cycles) Smart Safety Vest:
Swing resistant
Good elasticity and softness of baking rolls

OPTIMISE THE LAST MILE OF DELIVERY

Smart Warehouse - Part II

Logistics Drones

AI is transforming traditional distribution, increasing distribution flexibility and efficiency, enabling accurate and fast last-mile delivery, and meeting consumer demand for real-time services.

SINBON Products

Charging harness
Video capture harness
Signal transmission harness
Ultra-lightweight for cables and connectors
Connector miniaturization
Waterproof (IP65+)
Customized mechanical design
EMI solutions

HUMAN-CENTERED DESIGN CHARGING

EV Charging Solutions

Charging Solutions

As EVs become popular, SINBON provides products for various charging standards. Refining technology, SINBON has developed NACS AC/DC chargers and inlet solutions. While DC fast charger is used, the specialized designs optimize cooling efficiency and reduce weight, enhancing customer experience. SINBON Products

• DC Fast Charger + Cooling System:

CCS1 and CCS2 water-cooled and oil-cooled chargers with cooling system to effectively cool the charger and increase charging speed.

• NACS AC/DC Charger: SINBON's NACS DC charger withstand up to 350A without using cooling system.

Customized design
Lightweight design
600A continuous charging with dual cables
Integrated cable design
Modularize charging socket components

REDEFINING ELECTRIC TRUCK

Modular Solutions for Wire-controlled Electric Trucks

Designers and manufacturers of electric light truck platforms, streamlining routine maintenance through standardized chassis platforms, independent ECU-controlled wheels, and modular steering control. Conventional light trucks can be easily converted to four-wheel drive, enhancing agility and precise control.

SINBON Products

Chassis platform high voltage power harness
Custom high voltage connectors and harness
Low voltage signal harness
Low voltage power harness
Customized design
Miniature lightweight
Convenient installation
Waterproof (IP67)

INNOVATIVE VEHICLE BRAIN

Vehicle Power Distribution Solutions

Under the trend of intelligent vehicle transformation, the PDCU solution was introduced to improve the control system of hybrid/fuel vehicles, enabling more precise control and management of vehicle movement and increasing the system's computing speed by 50%.

SINBON Products

Product Advantages • PDCU (Powertrain Domain Control Unit): With five -in -one functions, electromechanical control, engine control, hybrid transmission control, air conditioning thermal management, battery thermal management.

Startup and acceleration response in just 0.26 seconds (0.5 seconds in average)
Cutting -edge fully automated production with industry leading First Pass Yield (FPY)
Holder of multiple patents for testing systems

UNLOCK BATTERY SWAPPING NETWORK

Battery Swapping Solutions

Battery Swapping Cabinets

With the popularity of electric two-wheelers, the battery swapping solution has attracted attention. SINBON supports battery swapping cabinets for various electric vehicles, including motorcycle, Kei car, scooters, and e-bike.

SINBON Products

Battery swapping cabinets assembly
Swapping battery connector
Global localization assembly
Experience in designing products for various charging cabinet applications

WHY US

Be Your Innovative Partner

CORPORATE SOCIAL RESPONSIBILITY

GREEN

Passed the green partner certification of many worldrenowned companies

100%

Packaging materials are 100% recyclable materials and comply with EU packaging materials specifications

Profits be used for charitable donations every year

1.12 : 1

Male supervisor : Female supervisor

Source: SINBON 2023 Sustainability Report

ENVIRONMENTAL

Green Action

2,044,800 kWh

Self-produced renewable energy for self-consumption

ISO 50001 TCFD

4 sites obtained energy management system certifications (ML, TC, JY, BJ)

4 Products

Obtained ISO 14067 carbon footprint certifications

Improve management of climate risk and opportunity

* TCFD, Task Force on Climate-related Financial Disclosures

Source: SINBON 2023 Sustainability Report

SOCIAL

Friendly Workplace

Contribution to Society

47%

Increasing proportion of female executives

Diversity and inclusion training for supervisors and employees

DEI

First launch of employee assistance program

EAP

10.67million

Social participation investment amount (TWD)

* EAP, Employee Assistance Program- Introduce external resources to provide diverse assistance to employees

CONTRIBUTION TO SOCIETY

515 participants in carbon reduction action

64 hours in volunteering activities

250 adopted plants in tree adoption program

1 Million TWD in food and agricultural education program

1,000 subscribed packages for leopard cat regeneration rice paddy project

936 participants in community engagement

GOVERNANCE

Operation Management Innovative R&D

47%

Sustainable industry proportion of group revenue

Passed Taiwan intellectual property management standards

TIPS A

Miaoli site obtained information security management certification

ISO 27001

1.01 billion

Research and development funding(TWD) (Increased by 6.4% compared to 2022)

SUSTAINABILITY HIGHLIGHTS

International ESG Rating

Rating A

ESG Rating

Morgan Stanley Capital International (same level as 2022)

EcoVadis Sustainability Rating (same level as 2022)

CDP Participation

Disclosure Project Participation (started at 2022)

Global Initiative

UN Global Compact

Participate in the UN Global Compact for three years

Source: SINBON 2023 Sustainability Report

SINBON HAS PROMISED REDUCING GHG EMISSIONS BY 40% IN 2030

2023 Reduced emissions by 11% In scope1 &2 Compared to 2021

What we did in 2023…

Improved scope 3 carbon footprint inventory
Increased Group renewable energy consumption to 2,044,793 kWh
Developed low-carbon product design to reduce the use of raw materials and packaging materials
Introduced product carbon footprint calculation platform to optimize carbon data management

GHG Emission (tCO2e)	2021	2022	2023
Scope 1	2,318.55	2,665.71	2,838.38	20,974 tCO2e
Scope 2	21,326.04	18,030.45	18,135.95	(Scope 1+2)
Scope 3	19,801.85	33,343.69	128,715.90
Total	43,446.44	54,039.85	149,690.23

OUR CORE VALUE

Maintain integrity to our customers, employees, suppliers, and shareholders.

Keep an innovative mind at work and face the trends in the world.

Share results with customers and suppliers and maintain a sharing attitude among employees.

APPENDIX

MIAOLI FACTORY

Taiwan

FEATURES

Cable assembly PCB assembly Molding Box build High mix low volume Clean room (10k/ 100k) Automated storage & retrieval system

AVAILABLE SPACE

Factory I – 7,262 m² Factory II – 4,390 m² Factory III – 8,666 m² Factory IV – 11,265 m²

MANPOWER

500

STANDARD COMPLIANCE

ISO 9001 IPC-610, Class 2 IPC-620, Class 2 UL ANSI/ESD S20.20 ISO 13485 FDA ISO 27001 IATF 16949 AS 9100 ISO 14001 ISO 14064-1 ISO 45001 SA 8000 RBA VAP ISO 50001

JIANGYIN FACTORY

China

FEATURES

Cable assembly PCB assembly Box build Raw cable factory Tooling center Laboratory High mix low volume High volume low mix Clean room (1K/10k/ 100k)

AVAILABLE SPACE

Factory I – 12,179 m² Factory II – 21,060 m² Factory III – 14,850 m² Factory IV – 10,548 m²

STANDARD COMPLIANCE

ISO 9001 IPC-610, Class 2 IPC-620, Class 2 UL ANSI/ESD S20.20 ISO 13485 MedAccred FDA IATF 16949 AS 9100 ISO 17025 ISO 14001 ISO 14064-1 ISO 45001 SA 8000 ISO 50001

MANPOWER

3,300

TONGCHENG FACTORY

China

FEATURES

Cable assembly Tooling center Laboratory

AVAILABLE SPACE

Factory I – 6,000 m² Factory II – 22,490 m²

MANPOWER

1,000

STANDARD COMPLIANCE

ISO 9001 IPC-620, Class 2 UL ISO 13485 IATF 16949 ISO 14001 ISO 14064-1 ISO 45001 ISO 50001

BEIJING FACTORY

China

FEATURES

Cable assembly PCB assembly Box build HV cable lab High mix low volume

AVAILABLE SPACE 15,879.1 m2

MANPOWER

600

STANDARD COMPLIANCE

ISO 9001 IPC-610, Class 2 IPC-620, Class 2 UL ISO 14001 ISO 14064-1 ISO 45001 ISO 50001

ZHONGSHAN FACTORY

China

FEATURES

Consumer Connector Industrial Connector Customized Connector Laboratory

AVAILABLE SPACE

10,775 m²

MANPOWER

500

STANDARD COMPLIANCE

ISO 9001 QC080000 IATF 16949 ISO 14001 ISO 14064-1 ISO 45001

TATABÁNYA FACTORY

Hungary

FEATURES

Fiber optic cable assembly Copper cable assembly Box build High mix low volume High volume

STANDARD COMPLIANCE

ISO 9001 IPC-620, Class 2 UL ISO 13485 ISO 14001 ISO 14064-1

AVAILABLE SPACE

3,800 m²

MANPOWER

200

DAYTON FACTORY USA

FEATURES

Cable assembly PCB assembly Ball grid array assembly Hybrid assembly Value-added service

AVAILABLE SPACE

4,645 m²

MANPOWER

190

STANDARD COMPLIANCE

ISO 9001 IPC-610, class 2 IPC-620, class 2 UL ISO 13485 ISO 14064-1

SAN LUIS POTOSÍ FACTORY (IN PROGRESS)

United Mexican States

S A N L U I S

P O T O S Í

2023 Q2-3 Start layout design 2023 Q4 Building Production plant 2024 Q4 Start Pilot

STANDARD COMPLIANCE

Certification Plan: ISO 9001

11,500 m²

MANPOWER Estimated :100-150

DISTRIBUTION IN GREATER CHINA

SALES OFFICES

Shenzhen Shanghai Beijing Xiamen Qingdao Hefei

Taiwan

Wuhan Jiangyin Tongcheng Guangzhou Dalian Tianjin

Components

HIROSE (廣瀨) NDK (日本電波工業) Prisemi (芯導) Dunte (敦特) Galaxy-CAS(中科銀河) MCMChip(喆光光電) 2Pai Semiconductor (榮湃)

strategic partnership

RF Solutions

SparkLAN (速連通訊) Antenova (安諾亞) Quetel (移遠通信) Acsip (群登) ANGEEI (江蘇愛吉亞) China Mobile(中移物聯) EmWicon (維金鼎)

LinksField (領科) JJPlus (捷佳科技) Vertexcom (濎通科技) Rafael Micro (宏觀微)

AI assistant

SINBON Electronics — Investor Presentation 2025

52256_rns_2025-05-15_0fb4ce57-6e7c-4391-aaa6-20256d011153.pdf

SINBON 2025 1Q RESULTS & PROSPECTS

Safe Harbor Notice

CONNECT TODAY TOMORROW

SINBON AT A GLANCE

Integrated Solution Provider in the M.A.G.I.C. industries

NEVER STOP INNOVATING

Milestone

WHAT WE DO

PROVEN EXPERTISE IN MAGIC

6/10

6/10

8/10

9/20

53

BRING YOUR IDEAL CONCEPTS TO LIFE

GROW STEADILY

GLOBAL FOOTPRINT

QUALITY, WE GUARANTEE

OUR SERVICE

OUR CAPABILITY

ENGINEERING CAPABILITY

DESIGN & MANUFACTURING CAPABILITY

We help you

Rapid 3D Prototyping

In-house Tooling Shop

Shorter Cycle Time to Market Reduce Unnecessary Time Cost

3D Modeling

Extend Product Lifespan

DESIGN & MANUFACTURING CAPABILITY

We provide you

• Custom Cable Design & extrusion

And more!

INSTANT GLOBAL SERVICE

Familiar with the Global Market

CUSTOM SALES & CONSULTING SERVICE

Expertise in M.A.G.I.C. Industry

Professional in Integrated Service

INSTANT GLOBAL SERVICE

Capability Cable assembly PCB assembly Molding Low pressure molding Box build Bulk cable factory Tooling shop Laboratory High mix low volume High volume low mix Clean room (100k) Control cabinet assembly Testing Center

GLOBAL PRODUCTION FOOTPRINT

USA Dayton, Ohio

TESTING & VALIDATION

TESTING & VALIDATION

QUALITY CONTROL

E-MANAGEMENT Easily, Accurately, Timely

SUPPLY CHAIN MANAGEMENT

We ensure you

CONTINUITY OF SUPPLY

Lead Time Optimization Global Commodity Management Instant Localized Support

CUSTOMER TRUST

20years

Cooperation Time

Percentage of Top 100 recommend by promoters Referral Rate

ALL YOU NEED IS SINBON

End to End Service

PROJECT START

Project End

Global Logistics

CORE COMPETENCY

Design & Test

Supply Chain Management & Manufacturing

FINANCIAL FOCUS

MONTHLY REVENUE

LAST 5 QUARTERLY RESULT HIGHLIGHT

QUARTERLY EARNINGS REVIEW

REVENUES BY MARKET SEGMENT (QUARTERLY)

SHARE OF REVENUES BY MARKET SEGMENT (YTD)

FINANCIAL RATIOS

LAST 5 ANNUAL RESULT HIGHLIGHT

Audited Consolidated Result

ANNUAL EARNINGS REVIEW

Audited Consolidated Result

REVENUES BY MARKET SEGMENT (ANNUAL)

SHARE OF REVENUES BY MARKET SEGMENT (ANNUAL)

FINANCIAL RECORDS

REVENUE

GROSS PROFIT

SINBON Electronics Investor Presentation 2025