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台揚科技股份有限公司 (2314.TW) Investor Forum

Dec. 11, 2025

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This presentation is being delivered to the recipient for the sole purpose of assisting them in understanding Microelectronics Technology Inc. (MTI). It is not intended to be the basis for a decision to purchase securities or make any other investment decisions, and it does not constitute an offer, invitation, or recommendation for the sale or purchase of securities. The information presented here, along with any additional information provided, will not form the basis of any contract.

Disclaimer

This presentation does not claim to be comprehensive or contain all the information a prospective purchaser may need. The information is based on publicly available sources, which we believe to be reliable, but we do not guarantee its accuracy or completeness. The recipient must conduct their own investigation and assessment of the ideas and concepts presented here. MTI, its directors, officers, employees, agents, or advisers make no representation, warranty, or undertaking, express or implied, regarding the accuracy or completeness of this presentation or any other information provided in connection with the ideas and concepts presented.

Any responsibility or liability for the information presented is expressly disclaimed. This presentation is private and confidential, and the recipient agrees to keep it confidential. The recipient shall not copy, reproduce, distribute, or share this presentation, in whole or in part, with third parties at any time. This presentation is the property of MTI, and the recipient agrees to promptly return it, along with all other information supplied in connection with the ideas and concepts presented, upon request, without retaining any copies.

In providing this presentation, MTI assumes no obligation to provide the recipient with access to additional information or to update or correct any inaccuracies that may become apparent in this presentation or any other information provided in connection with the ideas and concepts presented.

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Agenda

• About MTI

• MTI Business Outlook

• 2025 Highlights of Recent Events

• 2025 Q3 Financial Results

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About MTI

1[st]

40y[+]

500M[+]

The first Microwave/RF company in Taiwan

Years in ODM/JDM/OEM Microwave/RF Products

RF ODUs

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MTI Land-based Inmarsat 1st Ka-band Satellite ODM/JDM for 4G LTE Received IEEE Milestone
terminal gained world Transceivers Mfgr for RUs, B1,B12,B13,B14, Award for Inmarsat
recognition during Gulf War VSAT GEO UT B5,B41 Portable Satellite
Terminal
1990 2011
1983 1995 2005 2009 2018 2023 2024
1991 2017
MTI Inc.
Established in LEO UT Capabilities MTI is awarded by NTIA for NOFO2
 BUC & LNB
Hsinchu Science Satellite TV LNB 1st market Establish MTI US and Europe  Phased Array UT (Notice of Funding Opportunity) for
Park, TAIWAN share in North America R&D Centers for 4G/5G Open RAN radio units development
Open RAN RUs
Technology
 B3,B20,B7,B5,B71,B28
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MTI Worldwide

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• MTI Headquarter
A subsidiary of MTI Group since 2010
•
• Hsinchu, Taiwan
Design and development of advanced
RadioComp
cellular radio technology and RRH common • Established in 1983
Hilleroed, Denmark
platform for 4G/LTE & 5G applications • Taiwan Stock Exchange
IPO in 1990
• Foxconn group
strategic investment in
2012
Headquarter • Strategic
R&D Center manufacturing
Factory
• Established in Aug. 2001
• Located in the Wuxi Taihu
• A subsidiary of MTI Group since 2009 International Science and
• Design and development of advanced Technology Park
cellular radio technology and RRH common
platform for 4G/LTE & 5G applications
MTI Wuxi
MTI Lab
Wuxi, China
Los Angeles, CA USA
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MTI Business Outlook

Mobile Business

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Global Open RAN Market Size & Forecast 2025 ~ 2034

 The Global Open RAN Market size is expected to be worth around USD 79,379 Million By 2034, from USD 2,957 Million in 2024, growing at a CAGR of 38.9% during the forecast period from 2025 to 2034

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Proven Open and Interoperable Open RAN Ecosystem

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Source: John Baker/Version 29, 2025

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Open RAN Momentum: Worldwide Development Adoption

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Source: John Baker/Version 29, 2025

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MTI’s O-RAN Journey

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US Deployment

Nationwide Deployment in US MTI Single Band n71 2x40W MTI Dual Band n66+n70 4x80W MTI Triple Band n71+n26+n29 4x90W

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Germany Deployment

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Australia Deployment

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O-RAN Geopolitical Situation- US

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O-RAN Maturity/Experience/IOT, and Performance

 Portfolio with focus on Open RAN, Open Fronthaul capabilities and categories features (Automation/Intelligence, Energy Efficiency, Maturity/Experience/IOT, Performances, Resiliency, Security, etc.)  Same O-RU hardware and software for all partners; SW releases for any bug fix as needed

M Customer R Customer J Customer C Customer

G Customer

S Customer

S Customer

A Customer

…+more

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5G 開放式大基站 Macro Radio Portfolio Open-RAN

、 、 公司 日本R 公司 台灣 C公司與蒙古M公司，加速高效能5G Open RAN 解決方案落地

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Satcom Business

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2024 Global Satellite Industry Revenue

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Global Satellite Communication Terminal Forecast 2025~2033

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Source: Market Growth Report, last updated Nov-3, 2025

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Top 5 Countries with the Most Satellites in Space (2025)

• The United States leads by a huge margin, thanks mainly to private companies like SpaceX launching thousands of satellites under mega-constellations such as Starlink. Russia and China remain strong players, while the UK and India are steadily increasing their presence in space

• These satellites power everything from communication and navigation to weather forecasting, defense, and scientific research — making space technology vital to our everyday lives

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Source: Nexham, Sep-19 2025

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4 Major Low Earth Orbit Operators Status Update

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China 2 Major Low Earth Orbit Operators Status Update

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Embracing Multi-Orbit Strategies in Race for Global Connectivity

 Major Satellite Operators are Racing to Expand Global Connectivity through Strategic Multi-Orbit Initiatives

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Source: SPACENEWS

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– GEO高軌衛星 主要產品 (OEM)

• 固定衛星寬頻家戶及小型企業用戶終端設備

• 主要是為偏遠、鄉村、或傳統有線／光纖網路難以覆蓋的地區提供衛星寬頻網路

 飛航寬頻( in flight WiFi 終端設備)

• 透過機上安裝的「航空使用者終端（ Airborne User Terminal ）」連接衛星，將資料上、下載，在高空中提供網路連 線給乘客使用

• 海上寬頻 (Marine Broadband 終端設備)

• 透過衛星提供船上遊艇、商船、漁船等網際網路連線的技術與服務

• 衛星基地台前端 RF 模組設備

• 衛星地面站之 RF 前端關鍵模組 , 包括 HPA/BUC （功率放大器）及 LNA/LNB （低噪放大器)

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LEO 低軌道衛星產品 (ODM/JDM/OEM)

 LEO Ku & Ka 頻段低軌道衛星收發機 BUC & LNB

• 2020 年 MTI 自行研發設計的 LEO 低軌道 Ku 頻段衛星收發機 (BUC ) 已成功獲得 O公司低軌衛星系統認證 ，為其供應鏈中之主 要收發機供應商，並自 2021 年開始供貨給 O公司指定之系統整合商及天線供應商

• 2024 年 MTI 成功設計、開發並完成首批 LEO 低軌道 Ka 頻段戶外收發器的量產與交付 ，支援加拿大頂尖衛星通訊公司 T公司旗下具 革命性的 T公司低軌衛星通訊網路，台揚的戶外收發器是 T公司地面用戶終端User Terminal, UT ) 解決方案中的關鍵模組，包含微波 升頻發射器（ BUC ）與降頻接收器 LNB

 LEO Ku & Ka 頻段相控陣列天線用戶終端設備 (User Terminal)

• 自 2018 年起， MTI 即與多家 LEO 相控陣列天線用戶終端設備 (User 系統整合商合作，包括提供 Design for Mfg 設計優化服務、樣 品試製、模組代工 等，因而累積並建立 了 LEO 用戶終端設備關鍵生產製造技術

• 透過產發署 (IDA) 的科專計畫 MTI 也開發 Ku 頻段 LEO 相控陣列天線射頻前端，同時創新天線快速量測技術，對於降低生產成本有很 大的挹注

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Atlas V Launches Again! Viasat-3 F2 Mission Breakdown

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ViaSat-3 Flight 2 Deployment Timeline & Mission Milestones

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Source: ViaSat

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2025 Highlights of Recent Events

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近期研討活動

台揚科技參與國際性論壇、科技展覽， 與來自工業界、政府和學術界的傑出領導者和 創新者建立聯繫

2025 5G Summit 論壇

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APSCC 2025

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近期國際參訪

5G Summit 現場考察！台揚科技非常榮幸 能夠參與「政策支援的部署推動商業化」的 小組討論。

接待5G Summit現場考察團

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Key Focus of ESG Sustainability Initiative ESG永續推動重點

ESG實踐與成就

台揚科技投入社會公益，為偏遠學校/社會團體/警界等單位捐贈體育器材、辦公設備、民生用品 等物資，實踐社會關懷，獲得榮譽表彰。同時，更致力企業永續發展，榮獲永續專利創新獎及產 業先鋒獎。

實踐社會關懷，助學助民

榮獲永續專利創新獎

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捐贈社會團體民生物資
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捐助偏遠國中/國小，校方致贈感謝狀

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品質實踐與成就

台揚科技致力於企業永續經營與創新研發，獲得國際ISO、TL 、AS、IATF 認證肯定

• ISO 9001/TL9000 品質管理系統

• IATF 16949 汽車品質管理系統

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• AS 9100 航太品質管理系統

• ISO 27001 資安管理系統

• ISO 14001 環境管理系統

• ISO 45001 職業安全管理系統

• ISO/IEC 17025 實驗室品質管理系統

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航太品質管理

汽車產業品質管理

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ISO/IEC 17025 實驗室認證

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2025 Q3 Financial Results

Consolidated Balance Sheet

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Consolidated Income Statement (YTD)

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THANK YOU