Company: SONM
Filing Date: 2025-06-24
Form Type: DEFN14A
Source: 0001213900-25-057305
Chunk: 33

Company: SONIM TECHNOLOGIES INC
Filing Date: 2025-06-24
Form: DEFN14A
Chunk 33
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 need to notify the person responsible for their account to revoke or withdraw previously given instructions. You may also provide your bank, brokerage firm, dealer, trust company or other nominee with new voting instructions. Only your latest dated instructions will count. Unless revoked in the manner set forth above and subject to the foregoing, duly authorized proxies in the form enclosed will be voted at the 2025 Annual Meeting in accordance with your instructions. We request that a copy of any revocation sent to the Company, or any revocation notification sent to the person responsible for a bank or brokerage account also be sent to us, at c/o Alliance Advisors LLC, 150 Clove Rd, #400, Little Falls Township, NJ 07424, so that we may be aware of any revocation of a proxy. PLEASE DO NOT RETURN ANY UNIVERSAL PROXY CARD YOU MAY RECEIVE FROM THE COMPANY OR OTHERWISE AUTHORIZE A PROXY (OTHER THAN ON THE BLUE UNIVERSAL PROXY CARDOR BLUE VOTING INSTRUCTION FORMDELIVERED BY US TO YOU) TO VOTE YOUR SHARES OF COMMON STOCK AT THE 2025 ANNUAL MEETING, NOT EVEN AS A PROTEST VOTE. IF YOU HAVE ALREADY SENT A PROXY CARD TO THE COMPANY OR OTHERWISE AUTHORIZED A 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 SIGN AND RETURN THE ENCLOSED BLUE UNIVERSAL PROXY CARDOR BLUE VOTING INSTRUCTION FORMIN THE POSTAGE -PAIDENVELOPE PROVIDED. ONLY YOUR LATEST DATED PROXY WILL BE COUNTED. What should I do if I receive a white proxy card from Sonim? You may receive proxy solicitation materials from Sonim, including the Company Proxy Statement and white proxy card. We are not responsible for the accuracy of any information contained in any proxy solicitation materials used by Sonim or any other statements that it may otherwise make, subject to applicable law. 18 We recommend that you disregard any white proxy card or solicitation materials that may be sent to you by Sonim. If you have already voted using Sonim’s white proxy card, you have every right to change your vote by signing, dating and returning the enclosed BLUE proxy cardin the enclosed postage -paidenvelope or by voting via the Internet or by telephone by following the instructions on your BLUE voting instruction form. Only the latest validly