Company: SONM
Filing Date: 2025-04-30
Form Type: PRRN14A
Source: 0001213900-25-037151
Chunk: 11

Company: SONIM TECHNOLOGIES INC
Filing Date: 2025-04-30
Form: PRRN14A
Chunk 11
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 PROXY TO VOTE YOUR SHARES OF COMMON STOCK AT THE 2025 ANNUAL MEETING, IT IS NOT TOO LATE TO CHANGE YOUR VOTE. TO REVOKE YOUR PRIOR PROXY AND CHANGE YOUR VOTE, SIMPLY DATE, SIGN AND RETURN THE ENCLOSED BLUE UNIVERSAL PROXY CARDOR BLUE VOTING INSTRUCTION FORMIN THE POSTAGE -PAIDENVELOPE PROVIDED OR FOLLOW THE INSTRUCTIONS ON YOUR BLUE UNIVERSAL PROXY CARDOR BLUE VOTING INSTRUCTION FORMTO VOTE BY TELEPHONE OR VIA THE INTERNET. ONLY YOUR LATEST DATED PROXY WILL BE COUNTED. Alliance Advisors LLC (“ Alliance Advisors”) is assisting us with our effort to solicit proxies. If you have any questions or require assistance in authorizing a proxy or voting your shares of Common Stock, or need additional copies of the Participants’ proxy materials, please contact: Alliance Advisors LLC 150 Clove Rd, #400
Little Falls Township, NJ 07424
Stockholders Call Toll -Free: 833 -218-3964
E -mail: orbic@allianceadvisors.com It is important that your shares of Common Stock be represented and voted at the 2025 Annual Meeting. Accordingly, regardless of whether you plan to attend the 2025 Annual Meeting, please complete, date and sign the BLUE universal proxy cardor BLUE voting instruction formthat has been provided to you by us (and not any universal proxy card that has been provided to you by the Company or any other proxy card or form that has been provided to you) and vote (i) “FOR”the election of each of the five AJP/Orbic Nominees ( i.e. “FOR”Douglas B. Benedict, “FOR”Joseph M. Glynn, “FOR”Gregory M. Johnson, “FOR”Surendra Singh and “FOR”Michael Wallace) and “WITHHOLD”on the election of each of the five Opposed Company Nominees (i.e., [•], [•], [•], [•] and [•]) and (ii) “FOR”the Auditor Proposal.

TABLE OF CONTENTS

|                                                           |     | Page |
| CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS |     |    1 |
| BACKGROUND TO THIS SOLICITATION                           |     |    2 |
| REASONS FOR THE SOLICITATION                              |     |    6 |
| QUESTIONS AND ANSW