Company: SONM
Filing Date: 2025-12-05
Form Type: DEFM14A
Source: 0001493152-25-026277
Chunk: 371

Company: SONIM TECHNOLOGIES INC
Filing Date: 2025-12-05
Form: DEFM14A
Chunk 371
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 substitute, and hereby authorize(s) them, and each of them, to represent and to vote, as designated on the reverse of this proxy card, all of the shares of common stock of Sonim Technologies, Inc. that the undersigned stockholder(s) is/are entitled to vote at the Special Meeting of Stockholders to be held at 6:00 a.m., Pacific Time on Tuesday, December 30, 2025, via a live webcast at www.proxydocs.com/ SONM, and any continuation, postponement, or adjournment thereof.

The Named Proxies are authorized to vote in their discretion on any matter that the Board of Directors did not know would be presented at the Special Meeting of Stockholders by a reasonable time before the proxy solicitation was made, and on such other business as may properly be brought before the Special Meeting of Stockholders or any continuation, postponement, or adjournment thereof.

This proxy, when properly executed, will be voted in the manner directed herein. If no such direction is made, this proxy will be voted in accordance with the Board of Directors’ recommendations.

<div align='center'>Please be sure to sign and date this proxy card and mark on the reverse side</div>

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| Sonim                                              
 Technologies, Inc. Special Meeting of Stockholders |

Please make your marks like this: ☒

The Board of Directors recommends you vote: FOR each of the following Proposals 1, 2, AND 3

| 1. | PROPOSAL                                                                                        
 Approval                                                                                        
 of the asset purchase agreement, dated as of July 17, 2025, as amended, by and among Sonim      
 Technologies, Inc. (the “Company”), Pace Car Acquisition LLC, the seller representative         
 named in the asset purchase agreement, and Social Mobile Technology Holdings LLC, the sale      
 of substantially all assets of the Company and its subsidiaries related to the Legacy Business  
 (as defined in the accompanying proxy statement), and the other transactions contemplated       
 by the asset purchase agreement (the “Asset Sale”).                                             | YOUR 
 VOTE 
 FOR  | AGAINST | ABSTAIN | BOARD                   
 OF DIRECTORS RECOMMENDS 
 FOR                     |
|:---|:------------------------------------------------------------------------------------------------|:-----|:--------|:--------|:------------------------|
| 2. | Approval,                                                                                       
 on an advisory, non-binding basis, of certain compensation that has, will,