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2. Continue Reading for Recent News, Management Background and Our Disclaimer... Sonim Technologies - Portfolio Strategy Ultra-Rugged Markets: Sonim ultra-rugged devices are built to Sonim’s industry leading Rugged Performance Standards and designed for those working in mission critical environments, including those in public sector and industrial environments. Includes extensive accessory portfolio and SonimWare. Rugged Markets: Sonim rugged devices maintain a high level of durability but are designed to mimic consumer smartphones to be easily used in business-critical environments. Users can expect the quality of a Sonim device, as well as mission-critical features like PTT without giving up the look and feel of a consumer smartphone. Consumer Markets: Sonim devices within the product line are meant to bring basic durability features and smartphone functionality to consumers at a competitive price point. (2018) Ultra-Rugged to (2022) Rugged to (2024) Consumer SonimWare Technology SonimWare’s comprehensive suite of software tools, applications, and utilities are designed to impro ve the productivity of both workers and management, making it an essential tool for organizational management. Cloud : A comprehensive, web-based toolbox loaded with helpful setup, utility and support solutions that allow administrators to communicate, manage, and update devices. Scout : SonimWare’s free, pre-loaded intelligent application for device configuration, management and support. Scan : Turn the device i nto a powerful on-device 1D/2D barcode scanner and capture large amounts of data quickly and confidently. SOS : A powerful app connected to an easy-to-use alarm key that offers an array of safety-first options you won’t find on other devices. Sonim currently works with leading application developers to provide integrated solutions that work seamlessly with SonimWare.

1. AMP Quick Facts Sonim Technologies, Inc. (NasdaqCM: SONM) Acorn Management Partners, LLC August 202 2 Nasdaq : SONM Price: $ 0 . 69 Date: 0 7 / 2 9 /2 2 Fiscal Year: 12/31 MKT Cap: ~ $ 2 3 . 58 m C.O.H*: ~ $ 10.63 m Inside Ownership: ~ 4 3 .5 % S/O*: ~ 34 . 15 m AVG (3-month) ~ 1. 93 m For More Information Please Email: Robert Wheeler bwheeler@acornmanagement partners.com Sector/Industry: Technology Communication Equipment * As of most recent filing Continue Reading for More Information, Recent News, Management Background & Our Disclaimer... Institutional Ownership: ~ 3.02 % * The compounded annual growth rate of the Rugged Device market, is expected be ~ 25% Sonim Technologies (Nasdaq: SONM) is a leading U.S. provider of ultra-rugged mobility solutions designed specifically for task workers physically engaged in their work environments, often in mission-critical roles. The Sonim solution includes: ultra-rugged mobile phones, a suite of industrial-grade accessories, and data/ workflow applications; collectively designed to increase worker productivity, communication and safety on the job site. Sonim's Portfolio Strategy is transitioning, from producing (solely) Ultra-Rugged devices, to producing Rugged and Consumer g rade smart phone devices . Sonim's Rugged Performance Standards Prior to Sonim, the ultra-rugged mobile device market, did not have a defined set of standards for enduring , extreme , environment al conditions. Sonim devices are designed and built to meet the most demanding needs of the industry. The company considers the 12 point benchmark of endurance and durability to be a major advantage . For these reasons, the company is confident that their portfolio of Rugged and Endurance devices, will attract both the Athletic and Blue-Collar Markets. North American Rugged Phone Market: Sonim's Ultra-Rugged Phone Market Partners: AVG (10-day) 1.81 m ~

3. Continue Reading for Our Disclaimer... Recent News: Management Background: Peter Liu Chief Executive Officer • 30 years experience in wireless telecom industry • 12 years senior executive with Sonim • Leadership and operational experience in Motorola and Blackberry • Certified Six Sigma Black Belt • MBA from La w r e nce Tech nology University in Michigan Clay Crolius Chief Financial Officer • 30 years of experience in finance and accounting • Executive experience with Nestle, Warner Bros., and Deloitte & Touche • Extensive SEC reporting experience • Certified Public Accountant • BA in Economics and Business from UCLA Mike Coad SVP Product • 30+ years in wireless telecom industry • Engineering and Product Management with Qualcomm • Head of Device Portfolio at Sprint PCS • Product Management with Sonim (12 years) • Engineering and MBA degrees Jerry Yang SVP Global Engineering • 21 years’ experience in telecom and communication industry • 12 years' experience in global project management • Program and management experience in Sony Ericsson and UTStarcom • PMP certified • Sonim Technologies Launches New XP5plus Rugged Device with AT&T • Sonim Completes First Closing of Growth Equity Transaction • ISS Recommends FOR All Sonim Proxy Proposals at Special Meeting On June 28 • Sonim Devices Available for T-Mobile's Connecting Heroes Program • Sonim Receives Additional $6.4 Million in Initial Stocking Orders from US and Canadian Carriers • Sonim Reports First Quarter Financial Results • Sonim Announces Purchase Orders from Top US Carrier for Next-Generation Rugged Phones • AJP To Acquire Stake In Sonim At 20% Premium To Drive Growth, Addressable Market • Sonim Announces Equity Transaction to Drive Growth and Expand Addressable Market • Sonim and Zello Team Up to Deliver Push-to-Talk on the Rugged XP3plus Flip Phone • Sonim Reports Fourth Quarter and Full Year 2021 Financial Results • Sonim XP8 Smartphone Integrates Walkie Talkie in Microsoft Teams • Sonim Launches Ultra-Rugged XP3plus Flip Phone for TELUS Customers • Sonim Launches Unlocked Versions of Ultra-Rugged XP3plus Phone for Global Markets • Sonim and AdvanceTec Introduce 'Made in the U.S.' Accessories for Rugged XP3plus Phone Dyan Kaplan SVP Sales and Customer Experience • 19 Years in telecommunications industry • 5 years in Senior Leadership role with Sonim • 13 years increased responsibility at Kyocera -key participant in transition from consumer to rugged products • Bachelor degree in Accounting from New York University Zhide Wang SVP Global Operations • 28 years experience in telecommunications & power tools industry • 12 years experience in supply chain management with Sonim • 2 years experience as operation manager in Techtronic IND • 14 years manufacture and supply chain experience in Motorola