Ambiq Micro, Inc.

AMBQ

US0231931058

Semiconductors

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03:52am	Ambiq Micro Insider Sold Shares Worth $1,817,412, According to a Recent SEC Filing	MT
May. 18	Ambiq Micro Insider Sold Shares Worth $3,947,281, According to a Recent SEC Filing	MT

Ambiq Micro : Fourth Quarter and Full Year 2025 Conference Call

Published on 03/05/2026 at 07:50 am EST

Publicnow

AMBIQ MICRO, INC.

+0.07%

Fourth Quarter and Full Year 2025 Conference Call

March 5, 2026

Charlene Wan

Vice President of Corporate Marketing & Investor Relations

Welcome

Today's

Agenda

Fumihide Esaka

Chief Executive Officer

Jeffrey Winzeler

Chief Financial Officer

Business Update

Results and Outlook

Business Update

Executive Summary

Strong 2025 net sales growth on accelerated edge AI adoption

Platform leadership driving expanded customer usage

Increasing design funnel diversity across end markets

Advancing product roadmap to power edge AI innovation

Strong business momentum and positioned for future growth

$20.7M

Net Sales

45.5%

Non-GAAP Gross Margin1

Net sales exceeded guidance

Stronger-than-expected end user demand
Expedited orders accelerated late-quarter demand
Sequential net sales growth
Continued demand for customers' products
Customers extending product use across more devices
Upgrades to Apollo5, supporting more advanced capabilities

Fourth Quarter Highlights

$9.4M

Non-GAAP Gross Profit1

1. Non-GAAP gross margin and non-GAAP gross profit are non-GAAP financial measures. Please refer to the

Appendix for reconciliation to the nearest GAAP measure.

2025 Highlights

Grew net sales and non-GAAP gross profit1 sequentially in every quarter of the year

Non-GAAP gross profit1 +36.3% year-over-year and delivered highest ever annual gross profit

Secured new customers across end markets

Including large wearables customer

Increased diversity of design funnel

Across medical, industrial and smart building markets

Launched new hardware and software products

Enabling more advanced edge AI

Successfully completed upsized initial public offering in 3Q25 and follow-on offering in 1Q26

Raised net proceeds of $102.7M and $76.8M from IPO and follow-on, respectively

Non-GAAP gross profit is a non-GAAP financial measure. Please refer to the Appendix for reconciliation to the
nearest GAAP measure.
© 2026 ambiq | all rights reserved
Secular Tailwinds Powering Our Growth Customers increasingly incorporating sophisticated edge AI capabilities to drive differentiation and end-customer demand
Smart Rings
Smart Watches
Smart Bands
Smart Eyewear
- Customers expected to introduce next-generation models in 2026 with more advanced features
- Additional, scaled global customer expected to move into mass production in 2026
- Anticipate additional volumes from products introduced in late 2025 that will continue to scale in 2026
- Expect customers will continue to migrate to Apollo5 and Apollo330, enabling greater performance and AI capability

Strong and Diverse Edge AI Pipeline

Worker Safety

Ear Protection

Smart Grid Sensors

Continuous Glucose Monitors

Hearing Aids

Moisture Sensors

Case Study:

RONDS

Leading intelligent industrial equipment
solutions provider through its Novaseer
brand
Using SPOT to enable large-scale use of always-on, battery-powered AI sensors
Unlocks new growth opportunities in

the industrial edge for Ambiq

Vibrational Sensors

Cardiac Monitors

Water & Gas Meters

Unlocking Access to New Markets and Edge AI Use Cases

more radio protocols extended temp lower prices smaller form factors

APOLLO510 APOLLO510 LITE APOLLO330

Personal Devices

Industrial Edge

Smart Home

& Buildings

Medical

& Healthcare

New Software Tools and AI Models

more radio protocols

extended temp

lower prices

smaller form factors

mass market AI

derivatives

APOLLO510

APOLLO510 LITE

APOLLO330

APOLLO340

Unlocking Access to New Markets and Edge AI Use Cases

Personal Devices

Industrial Edge

Smart Home

& Buildings

Medical

& Healthcare

New Software Tools and AI Models

more radio protocols

extended temp

lower prices

smaller form factors

mass market AI

derivatives

npu vision

APOLLO510

APOLLO510 LITE

APOLLO330

APOLLO340

ATOMIQ

Unlocking Access to New Markets and Edge AI Use Cases

Personal Devices

Industrial Edge

Smart Home

& Buildings

Medical

& Healthcare

New Software Tools and AI Models

Results & Outlook

2025 Quarterly Financial Results

Net Sales Non-GAAP Gross Profit1 Non-GAAP Gross Margin1

(dollars in millions) (dollars in millions)

$20.74

$9.44

$17.87

$18.17

$15.73

$7.41

$7.64

$8.14

47.1%

42.7%

44.8%

45.5%

1Q25 2Q25 3Q25 4Q25

Ambiq delivered record full-year gross profit with sequential net sales and non-GAAP gross profit increases in every quarter of the year

1. Non-GAAP gross profit and non-GAAP gross margin are non-GAAP financial measures. Please refer to the

14 Appendix for reconciliation to the nearest GAAP measure.

Fourth Quarter Key Takeaways

$(0.32)

Non-GAAP Net Loss Per

Share Attributable to Common Stockholders1

$13.2M

+1.1% y/y

$16.6M

+26.8% y/y

Non-GAAP Op Ex1

+19.1 pts y/y +10.4 pts y/y

44.8%

45.5%

Non-GAAP Gross Margin1

$8.1M

+16.8% y/y

$9.4M

+75.5% y/y

Non-GAAP Gross Profit1

$18.2M

-10.4% y/y

$20.7M

+2.0% y/y

Net Sales

3Q25

4Q25

Marked the highest net sales quarter of FY25 and exceeded guidance
Results reflect strategic repositioning, with 8.6% of net sales from mainland China, down from 50.0% in 4Q24
Non-GAAP gross margin1 improved 0.7 pts sequentially, reflecting higher sales to customers deploying multiple edge AI capabilities
Increased non-GAAP operating expense to support Atomiq and Apollo development and strategic sales and marketing initiatives

1. Non-GAAP gross profit, non-GAAP gross margin, non-GAAP op ex, non-GAAP R&D, non-GAAP SG&A and non-GAAP net loss per share attributable to common stockholders are non-GAAP financial measures. Please refer to the Appendix for reconciliation to the nearest GAAP measure.

Strong Balance Sheet

Product Innovation

Enhanced Sales and Marketing

As of 12/31/25

Total Liabilities

$22.2 Million

No Outstanding Debt

Total Assets

$184.7 Million

Follow-on proceeds to accelerate Atomiq and Apollo family development to capture a rapidly expanding market opportunity

Financial Outlook1

1Q26 Drivers

Strong underlying demand, ongoing customer launches and Apollo5 adoption
Ramping of Apollo5, with improved yield as it scales through the year
Increased investment to support strategic growth priorities
Weighted average share count of 20.38M shares outstanding
FY26 Expectations
Strong net sales growth driven by new launches, customer
ramps, recent introductions, and Apollo5 adoption
Non-GAAP gross margin supported by yield gains; potential industry cost and supply chain pressures
Non-GAAP operating expense up ~$30M YOY on accelerated Atomiq and Apollo development
Non-GAAP operating expense includes $7M - $10M of IP
purchases during the year, with non-linear impact
17
1. As of 3/5/2026
2. Non-GAAP gross margin, non-GAAP op ex and non-GAAP net loss per share attributable to common stockholders are non-GAAP financial measures.

1Q 2026 Outlook

Net Sales

$21.0M - $22.0M

Non-GAAP Gross Margin2

44.0% - 45.0%

Non-GAAP Op Ex2

$18.0M - $18.5M

Non-GAAP Net Loss Per Share Attributable to Common Stockholders2

$(0.39) - $(0.33)

Well Positioned for Future Growth

Demonstrated strong execution with sequential net sales and non-GAAP gross profit growth in 2025

Accelerating demand for edge AI supports top-line momentum

Continuing to expand into key end markets through Apollo and software innovation

Enabling heavier edge AI capabilities and expanding our reach with Atomiq and Apollo launches

Driving margin expansion from improved yields and continued end-market diversification

Maintaining strong liquidity with ample dry powder to invest in strategic growth initiatives

Appendix: Non-GAAP Reconciliations

Non-GAAP Financial Measures

Three Months ended December 31,

Year ended December 31,

Three Months ended

September 30,

($ in thousands) 2025		2024		2025		2024		2025
Net loss attributable to common $	(10,679)	$	(10,191)	$	(36,461)	$	(42,385)	$	(9,002)
Add:
Income taxes	19	3		40		28		3
Depreciation and amortization	1,648	1,695		7,215		6,246		1,754
Stock-based compensation	3,151	863		6,835		5,174		2,068
Gain on nonmonetary transaction	-	-		(1,600)		(1,600)		-
Severance costs	-	-		-		706		-
IPO-related bonus	-	-		1,200		-		1,200
IPO and other transaction costs	-	97		1,793		551		-
Warrant valuation	-	-		60		(51)		-

common stockholders	$ (5,861)	$ (7,533)		$ (20,918)		$ (31,331)		$ (3,977)
Non-GAAP EPS	$ (0.32)	$ (19.52)		$ (2.62)		$ (83.90)		$ (0.32)

stockholders

Non-GAAP net loss attributable to

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Ambiq Micro Inc. published this content on March 05, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on March 05, 2026 at 12:49 UTC.

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Company Profile

Ambiq Micro Inc is a United States-based company. The Company provides unprecedented energy-efficient systems-on-chips (SoCs) and ultra-low-power platform solutions that enable edge artificial intelligence (AI) on battery-powered devices. Its patented subthreshold power optimized technology (SPOT) platform is key to this, enabling longer battery life and allowing a reduction of power consumption compared to traditional semiconductor designs. It offers a wide range of applications, such as healthcare, smart home and buildings, smartcards, wearables, gaming, hearables and industrial edge.

Employees

201

Sector

Semiconductors

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