Resonant : 2nd Quarter 2021 Earnings

AUGUST 2021

SECOND QUARTER 2021 EARNINGS

NASDAQ | RESN

SAFE HARBOR STATEMENT

This document contains forward-looking statements. The words "believe," "may," "will," "potentially," "estimate," "continue," "anticipate," "intend," "could," "would," "project," "plan," "expect" and similar expressions that convey uncertainty of future events or outcomes are intended to identify forward-looking statements. Forward-looking statements may address the following subjects among others: the status of filter designs under development, the prospects for licensing filter designs upon completion of development, plans for other filter designs not currently in development, potential customers for our designs, the timing and amount of future royalty streams, the expected duration of our capital resources, our hiring plans, the impact of our designs on the mobile device market, and our business strategy. Forward-looking statements are inherently subject to risks and uncertainties which could cause actual results to differ materially from those in the forward-looking statements, including, without limitation, the following: our limited operating history; our ability to complete designs that meet customer specifications; the ability of our customers (or their manufacturers) to fabricate our designs in commercial quantities; the ability of our customers to sell products incorporating our designs to OEMs; our dependence on a small number of customers; the ability of our designs to significantly lower costs as compared to other designs and solutions; the risk that the intense competition and rapid technological change in our industry renders our designs less useful or obsolete; our ability to find, recruit and retain the highly skilled personnel required for our design process in sufficient numbers to support our growth; our ability to manage growth; and general market, economic and business conditions. Additional factors that could cause actual results to differ materially from those anticipated by our forward-looking statements are under the captions "Risk Factors" and "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our most recent Annual Report (Form 10-K) or Quarterly Report (Form 10-Q) filed with the Securities and Exchange Commission. Forward-looking statements are made as of the date of this document, and we expressly disclaim any obligation or undertaking to update forward-looking statements.

We may refer to information regarding potential markets for products and other industry data. We believe that all such information has been obtained from reliable sources that are customarily relied upon by companies in our industry. However, we have not independently verified any such information.

Q2 2021 Earnings Presentation (NASDAQ: RESN) | 2

CONTINUED BUSINESS ACCELERATION

Executing against operational and strategic priorities

XBAR® MILESTONES

• Commercialization phase of agreement with strategic partner
• Began sampling XBAR® Wi-Fi filters for non-mobile market
• XBAR® successfully manufactured by eight (8) separate SAW foundries

OPERATIONAL HIGHLIGHTS

• Announced WaveX™, Resonant's upgraded filter design software
• Patent portfolio grew to >375 patents filed or issued, >225 of which are related XBAR®
• Legacy customer successes provide roadmap for future XBAR® engagements

Q2 2021 HIGHLIGHTS

Revenues of	Q2 Unit Volumes Ramped to	Unit Volumes Shipped To-Date
$0.6M	17.5M+	79M+
	(~450% increase YoY)	(production volumes)

INUDSTRY VALIDATION WITH REVENUES AND UNITS RAMPING 2020 Q3 Quarterly

Q2 2021UpdateEarnings Presentation (NASDAQ: RESN) | 3

UNLOCKING THE POTENTIAL OF NEXT-GENERATION WIRELESS

innately meets the requirements of 5G, next-genWi-Fi, and UWB

Continued progress in partnership with the world's largest RF filter manufacturer

 Target performance  Packaging

 Initial Reliability

Focus is now on commercialization (high- volume manufacturing of XBAR-based RF filters for 5G)

Expanding agreement with strategic partner to include additional devices by year end

XBAR® technology ideally suited for non- mobile segment including mobile infrastructure, Wi-Fi access points, UWB, and IoT applications

Next-Gen Wireless Networks Depend on Each Other To Unlock New Applications

2020 Q3 Quarterly

Q2 2021UpdateEarnings Presentation (NASDAQ: RESN) | 4

INNOVATIVE FILTER DESIGN WITH INDUSTRY-LEADING

WaveX™ DESIGN SOFTWARE PLATFORM

TRADITIONAL APPROACH	WaveX™ DESIGN PLATFORM
TIME CONSUMING, ITERATIVE DEVELOPMENT PROCESS WITH	NIMBLE SOLUTION, SUPERIOR PERFORMANCE WITH 2X FASTER
MONTHS/YEARS OF LEAD TIME	TIME-TO-MARKET

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Q2 2021 Earnings Presentation (NASDAQ: RESN) | 5