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© 2025 Ambiq | All Rights Reserved I Proprietary Agriculture Factory Automation Hearing aids Smart glasses Fitness Healthcare Safety and Security Homes and Buildings Wearables Environmental monitoring © 2025 Ambiq | All Rights Reserved I Proprietary Ambiq: Enabling AI Everywhere with SPOT December 2025
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© 2025 Ambiq | All Rights Reserved I Proprietary Ambiq Micro, Inc. (“Ambiq”; the “Company”; “we”; “us” or similar terms) has filed a registration statement (including a preliminary prospectus) on Form S-1 with the U.S. Securities and Exchange Commission ("SEC") for the offering to which this presentation and the accompanying oral presentation relate. The registration statement has not yet been declared effective. The Company's common stock may not be sold, nor may offers to buy be accepted, prior to the time the registration statement becomes effective. Before you invest, you should read the preliminary prospectus, in particular the “Risk Factors” contained therein, including those Risk Factors described in the section titled "Risk Factors" in the Company's Quarterly Report on Form 10-Q for the period ended September 30, 2025, filed with the SEC on November 6, 2025, as well as other filings the Company may make with the SEC in the future. You may get these documents for free by visiting EDGAR on the SEC’s website at www.sec.gov. Alternatively, a copy of the preliminary prospectus relating to the offering may be obtained from: BofA Securities, NC1-022-02-25, 201 North Tryon Street, Charlotte, North Carolina 28255-0001, Attention: Prospectus Department, or by email at dg.prospectus_requests@bofa.com or UBS Securities LLC, Attention: Prospectus Department, 1285 Avenue of the Americas, New York, New York 10019, by telephone at (888) 827-7275 or by emailing ol-prospectus-request@ubs.com. This presentation shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. Preliminary Financial Information This presentation includes certain preliminary financial information for the nine months ended September 30, 2025. This information remains subject to completion of the Company’s quarter-end close procedures and further financial review and represents the Company's current expectations using information available as of the date of this presentation. Actual results may differ as a result of the completion of the Company’s quarter-end closing procedures, review of adjustments and other developments that may arise between now and the time such financial information for the period is finalized. As a result, these estimates are preliminary and may change. These preliminary estimated results should not be viewed as a substitute for financial statements prepared in accordance with U.S. GAAP. Neither the Company's independent registered accounting firm nor any other independent registered accounting firm has audited, reviewed, compiled, examined or performed any procedures with respect to the preliminary financial information, nor have they expressed any opinion or any other form of assurance on the preliminary financial information. Non-GAAP Financial Measures In addition to financial information presented in accordance with U.S. generally accepted accounting principles (“GAAP”), this presentation and the accompanying oral presentation include certain non-GAAP financial measures, including non-GAAP gross profit. These non-GAAP measures are presented for supplemental informational purposes only and should not be considered a substitute for financial information presented in accordance with GAAP. These non-GAAP measures have limitations as analytical tools, and they should be considered in addition to, and not in isolation from or as a substitute for, analysis of other GAAP financial measures. A reconciliation of these measures to the most directly comparable GAAP measures is included at the end of this presentation. Legal Disclaimer
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© 2025 Ambiq | All Rights Reserved I Proprietary Forward-Looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements may be identified by the use of words such as “future,” “growth,” “opportunity,” “well-positioned,” "forecast," "intend," "seek," "target," “anticipate,” “believe,” “expect,” “estimate,” “plan,” “outlook,” “project,” “may,” “could,” and “should,” and other similar expressions that predict or indicate future events or trends or that are not statements of historical matters. Such forward-looking statements include, but are not limited to, expectations regarding the growth of the artificial intelligence industry and the demand for our products; the timing and success of new features, integrations, capabilities, and enhancements by us, or by our competitors to their products, including the successful integration of AI; our ability to integrate with our end customers' products; statements regarding future events and opportunities; our product and technology roadmap; and projections of market opportunity and market share. Such forward-looking statements are based upon the current beliefs and expectations of our management and are inherently subject to significant business, economic and competitive uncertainties and contingencies, many of which are difficult to predict and generally beyond our control. Actual results and the timing of events may differ materially from the results included in such forward-looking statements. We undertake no obligation to update any forward-looking statements for any reason after the date of this presentation to conform these statements to actual results or to changes in expectations, except as required by law. By their nature, forward-looking statements are not statements of historical fact or guarantees of future performance and are subject to risks, uncertainties, assumptions or changes in circumstances that are difficult to predict or quantify including those Risk Factors described in the section titled "Risk Factors" in the our Quarterly Report on Form 10-Q for the period ended September 30, 2025, filed with the SEC on November 6, 2025, as well as other filings we may make with the SEC in the future. Industry and Market Data This presentation includes statistical and other industry and market data that we obtained from industry publications and research, surveys, and studies conducted by third parties, as well as estimates by our management based on such data. Certain information in this presentation is contained in independent industry publications. In presenting this information, we have made certain assumptions that we believe to be reasonable based on such data and other similar sources and on our knowledge of, and our experience to date in, the markets in which we operate. While we believe the estimated market and industry data included in this prospectus are generally reliable, such information, which is derived in part from management's estimates and beliefs, is inherently uncertain and imprecise, and you are cautioned not to give undue weight to such estimates. Market and industry data are subject to change and may be limited by the availability of raw data, the voluntary nature of the data gathering process and other limitations inherent in any statistical survey of such data. In addition, projections, assumptions and estimates of the future performance of the markets in which we operate are necessarily subject to uncertainty and risk due to a variety of factors. These and other factors could cause results to differ materially from those expressed in the estimates made by third parties and by us. Accordingly, you are cautioned not to place undue reliance on such market and industry data or any other such estimates. Trademarks and Trade Names Ambiq and the Ambiq logo are our trademarks. This presentation also contains trademarks, service marks and trade names of third parties, which are the property of their respective owners. The use or display of third parties’ trademarks, service marks, trade names or products in this presentation is not intended to, and does not imply, a relationship with Ambiq , or an endorsement or sponsorship by or of Ambiq. Legal Disclaimer
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© 2025 Ambiq | All Rights Reserved I Proprietary © 2025 Ambiq | All Rights Reserved I Proprietary To enable intelligence (AI and beyond) everywhere by delivering THE LOWEST-POWER SEMICONDUCTOR SOLUTIONS Ambiq Is Solving the AI Power Problem and Unlocking AI at the Edge ambient + IQ Our Mission: 3
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© 2025 Ambiq | All Rights Reserved I Proprietary © 2025 Ambiq | All Rights Reserved I Proprietary Ambiq Is Poised to Be a Leader in the Expanding Edge AI Opportunity Proprietary Sub-threshold Power Optimized Technology (SPOT) platform Fast-growing edge AI opportunity with existential power issue Proven demand with strong customer base growing in new segments Scalable business model with a focus on profitable growth 4
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© 2025 Ambiq | All Rights Reserved I Proprietary Strong Momentum Since July 2025 IPO 7 Strong customer demand including new high volume customer Whoop New Apollo510B SoC launched alongside neuralSPOT AI SW support On track for sequential revenue growth in every quarter of 2025; 4Q sales outlook ~35% above consensus expectations Successfully raised $110M in IPO
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© 2025 Ambiq | All Rights Reserved I Proprietary Edge AI Heart and Sleep Analytics Package Loading and Handling Live TranslationVisitor & Person Identification Smart Hearing Enhancement Smart Speaker Virtual Assistant On-Wrist Personal Trainer Failure Prediction AI Is Changing the World…and Quickly Advancing to the Edge Cloud-Based AI Remote Patient Monitoring Edge AI 5
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© 2025 Ambiq | All Rights Reserved I Proprietary Latency, Energy, Privacy, and Cost Demand That AI Move to the Edge Inference Happens Here Inference Happens Here Complete AI Stack at the Edge Key Benefits Driving AI to the Edge Increased Privacy Lower Latency Higher Availability Reduced Energy CLOUD AI EDGE AI Reduced Cost 6
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© 2025 Ambiq | All Rights Reserved I Proprietary Power Is Important for AI in the Cloud but Is Existential at the Edge AI Power Needs Are Existential to Edge AI “An energy breakthrough is necessary for future artificial intelligence, which will consume vastly more power than people have expected” “OpenAI CEO Altman Says in Davos That the Future of AI Depends on an Energy Breakthrough," Reuters, January 16, 2024 AI Power Needs Threaten the Total Cost of Ownership of Datacenters 7
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© 2025 Ambiq | All Rights Reserved I Proprietary Ambiq: Enabling AI Everywhere with SPOT Source: Company information. 1. Including pending new starts as of 10/12/2025 2. As of 10/12/2025 3. Since June 2010 4. Since June 2010 Key Facts Key Customer WinsKey Market Segments Key Metrics Founded: 2010 Global HQ: Austin, TX Other Key Locations: Japan, Poland, Singapore, Taiwan, China NYSE: AMBQ Smart Home & Buildings Industrial Edge Personal Devices Medical / Healthcare 280M+ Units Shipped4 210+ Employees1 200+ Customers3 90+ Patents Issued and Pending2 Smart Rings Hearing Devices Animal Husbandry and Smart Farming Smart Watches ECG Heart Monitoring Devices Patient Monitoring AR Smart Glasses Smart Industrial Sensors 8
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© 2025 Ambiq | All Rights Reserved I Proprietary TSMC Strategic Partnership 90+ Patents Issued/Pending Globally(1) Proven SPOT Design IP SPOT Platform For Next-Gen Power-Efficient Edge AI Conventional Circuit Design Energy ∼ (Voltage)² SPOT Replace Traditional Algo with AI Model Enable Larger AI Models Run Faster Inference Rates Voltage Time Time 3-10x Power Advantage Sub-threshold Power Optimized Technology (SPOT) Designed to Solve the Extreme Challenges of Sub-threshold Strategic Partnerships and IP Protection SPOT Delivers a 2-5X Power Advantage Manufacturing Variations Voltage Variations Temperature Variations Digital Techniques Analog Techniques Memory Technologies AI Acceleration Production Technologies SPOT 1. As of 6/6/259
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© 2025 Ambiq | All Rights Reserved I Proprietary SPOT Is a Platform That Enables a Broad Range of Products and Markets SPOT Personal Devices Industrial Edge Smart Homes / Buildings AutomotiveAR / VR Mobile Datacenter Medical / Healthcare MCU NPUDSPWireless PMICApplication Processor GPU ISP/Vision … 10
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© 2025 Ambiq | All Rights Reserved I Proprietary Proven Demand From Blue-Chip End Customers Founded 2010 2015 2017 20182016 2020 20242022 1st SPOT SoC 10X lower power 2nd Gen Apollo neural networks first deployed 100M Cumulative Apollo SoC parts sold 1st Gen Atomiq with NPU+HBM 3rd Gen Apollo 1M Cumulative Apollo SoC parts sold 4th Gen Apollo first audio 5th Gen Apollo vector acceleration 280 M+ Cumulative devices sold Apollo4 Plus Apollo4 Lite 2023 IDEMIA FOSSIL CITIZEN GARMIN FITBITHUAWEI SUUNTO OPPO XIAOMI BOAT COROS NOISE 2025 11 WHOOP
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© 2025 Ambiq | All Rights Reserved I Proprietary SPOT Is the Foundation for a Full Stack Edge AI Solution 15
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© 2025 Ambiq | All Rights Reserved I Proprietary Sources: Gartner®, Forecast: Semiconductors and Electronics, Worldwide, 2022 -2028, 4Q24 Update, Rajeev Rajput et al., 16 Decembe r 2024 Revenue basis. The Edge End Market/End markets=Sorted by Head Mounted Displays, Hearable, Smart Watches, Wristbands, Appliances, Smart Speakers, Personal Asset Tracker, Surveillance, Other Security, Automation, Medial/Hea lthcare, Energy Management, Transportation, Test/ Measurement, Agriculture, Personal Robots and Industrial Smart Robots. Wirele ss Connectivity=Wireless Connectivity (NFC; WiFi; BT; GPS; Combo), Application Processors=Discrete Application/Multimedia Processor, 32 -bit MCU=Microcontroller 32-bit and Above. Personal Device Market = Sorted by Wearables. Medical and Healthcare = Medical / Healthcare. Industrial Edge Device Market = Sorted by Surveillance, Other Security, Automation, Energy Management, Transportation, Test/Measurement, Agriculture and Industrial Smart Robots. Smart Home and Smar t Buildings Market = Sorted by Appliances, Smart Speakers, Personal Asset Tracker and Personal Robots. The Gartner content descr ibed herein (the Gartner Content) represent(s) research opinion or viewpoints published, as part of a syndicated subscription service, by Gartner, Inc. (Gartne r), and are not representations of fact. Gartner Content speaks as of its original publication date (and not as of the date of th is prospectus) and the opinions expressed in the Gartner Content are subject to change without notice. Diverse $12.8B Opportunity Growing Quickly Projected Market Size by End Markets ($B) CAGR 2023-28 Industrial Edge Smart Home & Buildings Personal Devices Medical/ Healthcare 14% 16% 7% 8% $5.8 $11.0 $2.5 $5.2 $3.7 $5.1 $0.9 $1.3 $12.8 $22.5 2023 2028 Personal Devices Smart Home & Buildings Wrist Worn Ear Worn Clothing Other Animal Husbandry Oil and Gas Smart Farming Utilities Automation Pulse Oximetry AR / VR Comfort & Lighting Energy Management Security & Safety Industrial Edge Medical / Healthcare Glucose Monitoring Heart Health 15
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© 2025 Ambiq | All Rights Reserved I Proprietary Typical Edge AI Deployments: ▪ Largely use deep learning (minus gen AI) ▪ Have memory needs from kilobytes to gigabytes ▪ Have performance needs from MOPS to TOPS Ambiq’s Edge AI Focus Is Broad Ambiq’s Edge AI Focus AI Classes in Edge Deployments: ▪ Class 1: Algorithm replacement ▪ Class 2: Detection, classification, and novel analysis ▪ Class 3: Complex intelligence ▪ Class 4: Advanced intelligence hso Gen AI Deep Learning Machine Learning Artificial Intelligence 16
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© 2025 Ambiq | All Rights Reserved I Proprietary Edge AI Deployments Are Happening Today Garmin Class 1 Deployment Today Wearable Class 1 Deployment Underway Industrial Class 1 Deployment Today 17
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© 2025 Ambiq | All Rights Reserved I Proprietary Multi-core NPU Atomiq Is Designed To Enable Increasingly Complex Edge AI Deployments Smart Cameras With "Always On" Object Detection and Scene Analysis Wearables With Conversational UI, Life Logging, and On-Board Doctor AR Glasses With Eye Tracking, Conversational UI, and Object Tracking SPOT on 12nm In-package DRAM Vision & Audio Pipelines 18
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© 2025 Ambiq | All Rights Reserved I Proprietary (5th Gen) A Strong and Diverse Pipeline for Applications, Markets and Customers Personal Devices (3rd Gen) Product Family: 1AI Class: AI Class: Product Family: Product Family: 1 2 AI Class: 1 2 Medical/Healthcare AI Class: 1 2 (5th Gen) Product Family: Smart Home & Buildings AI Class: 1 2 3 Product Family: Security CamerasCardiac Monitors Smart Rings AR Glasses Industrial Edge Worker Safety Vibrational Sensors 1AI Class: 1AI Class: (5th Gen) Product Family: Ear Protection (3rd Gen) 19
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© 2025 Ambiq | All Rights Reserved I Proprietary Strategy Focused on Expanding Products and SPOT to Enable AI Everywhere Grow Edge AI SoC Portfolio Broaden Edge AI Software Solution Expand market coverage via SPOT licensing Advance SPOT with HW and SW innovations 21
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© 2025 Ambiq | All Rights Reserved I Proprietary CEO Fumihide Esaka Founder, CTO Dr. Scott Hanson CFO Jeff Winzeler President Sean Chen VP of Architecture & Product Planning Dan Cermak VP of Software & Solutions Jayesh Shah VP of Corp Marketing & Investor Relations Charlene Wan EVP of Global Sales & Marketing Aaron Grassian VP of HR Kris Potrafka VP of Engineering Dr. Raghuram Tupuri Experienced Management and Innovative Engineering Team 203 Total Employees 68% Engineers 1. Including pending new starts through 10/12/25 1 1 NIEC © 2025 ambiq | all rights reserved I confidential & proprietary 22
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© 2025 Ambiq | All Rights Reserved I Proprietary Board of Directors 23 Dr. Wen Hsieh Chairman of the Board Dr. Ker Zhang Board Member Joseph Tautges Board Member Timothy Chen Board Member Dr. Scott Hanson Board Member CTO, Founder Fumihide Esaka Board Member CEO (Infineon) (Kyocera)
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© 2025 Ambiq | All Rights Reserved I Proprietary Financial Highlights
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© 2025 Ambiq | All Rights Reserved I Proprietary © 2025 Ambiq | All Rights Reserved I Proprietary Compelling Financial Trajectory Proven Ability to Design, Develop, and Deploy Low Power Solutions In High Volumes Strategic Focus on Driving Gross Profit Growth Edge AI Product Roadmap for More Value and Higher ASPs Investing For Growth in Engineering and Sales to Deploy A Full-stack Technology Platform 25
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© 2025 Ambiq | All Rights Reserved I Proprietary Deliberate Shift of Management Focus to High Margin Opportunities 2023 1. For the year ended December 31, 2024. 34% 66% Geographic Revenue Split 2024 China Non-China 50%50% 6% Consolidated Non-China YoY Revenue Growth FY 2024 vs. FY 2023 16% 70% FY 2024 Gross Margin 32% 48% Revenue from Edge AI Business1 >40% >80% WHY THE SHIFT? 2024 FINANCIAL PERFORMANCE Decrease commercial and geopolitical risk Increased ASPs and margins Higher profitable growth potential Edge AI innovation and enablement 26
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© 2025 Ambiq | All Rights Reserved I Proprietary Recent Developments YTD 2025 Results Note: Dollars in millions. Revenue Growth Outside of China Non-GAAP Gross Profit 27 YTD 2025 YTD 2024 YOY % ∆ Revenue $51.8 $55.7 (7.0)% Revenue Outside of China $47.5 $29.5 61.0% Non-GAAP Gross Profit $23.2 $19.2 20.8% Non-GAAP Gross Margin 44.9% 34.5% 1,040 bps 2025 YTD Revenue 8% 92% China Non-China $29.50 $47.50 YTD 2024 YTD 2025 + 61.0% $19.20 $23.20 YTD 2024 YTD 2025 +20.8%
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© 2025 Ambiq | All Rights Reserved I Proprietary ▪ Fabless Semiconductor Financial Model ▪ TSMC and ASE partnerships for manufacturing ▪ R&D spend is ~60% of P&L OPEX1 ▪ Strong Balance Sheet2 ▪ Total Assets $186.7mm ▪ Cash = $146.5mm** ▪ Inventory = $16.1mm ▪ Total Liabilities = $16.9mm ▪ No Outstanding Debt **Added $97.5M (Net) to cash through July 30 IPO Additional Financial Highlights 1. As of and for the year ended December 31, 2024. 2. As of and for the quarter ended September 30, 2025. 28
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© 2025 Ambiq | All Rights Reserved I Proprietary Multiple Levers to Drive Profitability Higher Value Products Apollo1/2 Apollo3 Apollo4 Apollo5 Atomiq ASP ($) • Focus business development on high- margin opportunities with existing Apollo products • Optimize supply chain and yield curves for high volume manufacturing • An edge AI product roadmap to enable Customers to deploy new and improved functionality • Develop the SPOT platform to capture licensing opportunities Not in scale – For illustrative purposes only 29
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© 2025 Ambiq | All Rights Reserved I Proprietary © 2025 Ambiq | All Rights Reserved I Proprietary Proprietary Sub-threshold Power Optimized Technology (SPOT) Platform Proven Demand With Strong Customer Base Growing In New Segments Scalable Business Model With A Focus On Profitable Growth Ambiq Is Poised to Be a Leader in the Growing Edge AI Opportunity Fast-growing Edge AI Opportunity With Existential Power Issue 31
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© 2025 Ambiq | All Rights Reserved I Proprietary Ambiq: Enabling AI Everywhere with SPOT 32