Company: SONM
Filing Date: 2025-06-18
Form Type: DEFC14A
Source: 0001641172-25-015578
Chunk: 115

Company: SONIM TECHNOLOGIES INC
Filing Date: 2025-06-18
Form: DEFC14A
Chunk 115
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. |

| ● | No                                                                                                                                   
 participant nor any associate of a participant is a party to any transaction, since the beginning of the Company’s last fiscal       
 year, or any currently proposed transaction, in which (a) the Company was or is to be a participant, (b) the amount involved exceeds 
 $120,000 and (c) any participant or any related person thereof had or will have a direct or indirect material interest.              |

| ● | No                                                                                                                                       
 participant, nor any associate of a participant, has any arrangement or understanding with any person (a) with respect to any future     
 employment by the Company or its affiliates or (b) with respect to any future transactions to which the Company or any of its affiliates 
 will or may be a party.                                                                                                                  |

| ● | No                                                                                                                                 
 participant has any substantial interest, direct or indirect, by security holdings or otherwise, in any matter to be acted upon at 
 the annual meeting.                                                                                                                |

| ● | None                                                                                                                                   
 of the participants or their associates has during the past ten (10) years, been convicted in a criminal proceeding (excluding traffic 
 violations or similar misdemeanors).                                                                                                   |

| B-3 |

<div align='center'>PLEASE VOTE TODAY!

SEE REVERSE SIDE

FOR THREE EASY WAYS TO VOTE

If you have any questions, require assistance in voting your WHITE proxy card, or need additional copies of the Company’s proxy materials, please contact our proxy solicitor:

Sodali & Co

509 Madison Avenue, 12th Floor

New York, NY 10022

Call toll-free (800) 662-5200 or (203) 658-9400

Email: SONM@investor.sodali.com

** TO VOTE BY MAIL, PLEASE DETACH HERE, SIGN AND DATE WHITEPROXY CARD, AND RETURN IN THE POSTAGE-PAID ENVELOPE PROVIDED **

Sonim Technologies, Inc.

Annual Meeting of Stockholders to be held on July 18, 2025</div>

This WHITE proxy card is Solicited on Behalf of the Board of Directors of Sonim Technologies, Inc.

The undersigned stockholder(s) hereby appoint(s) Peter Liu, Clayton Crolius, and Katherine Schooler (the “Named Proxies”), and each or either of them, as proxies, each with the power to appoint his substitute, and hereby authorize(s) them, and each of them, to represent and to vote, as designated on