Company: SONM
Filing Date: 2025-11-24
Form Type: PREM14A
Source: 0001493152-25-024848
Chunk: 27

Company: SONIM TECHNOLOGIES INC
Filing Date: 2025-11-24
Form: PREM14A
Chunk 27
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 proxy card to vote                                            
 by Internet or telephone. Telephone and Internet voting facilities for stockholders of record will be available 24 hours a day and 
 will close at 08:59 p.m. Pacific Time on [XX], 2025.                                                                               |
| ● | By mail. As described in the notice of Internet availability, you may request printed proxy                                        
 materials, in which case you may complete, sign, and return the proxy card in the postage pre-paid envelope accompanying the proxy 
 materials so that it is received prior to the Special Meeting.                                                                     |
| ● | At the meeting. If you attend the Special Meeting, you can vote using the 12-digit control                                         
 number in your notice of Internet availability of the proxy materials, on your proxy card or in the instructions that accompanied  
 your proxy materials.                                                                                                              |

If your shares are held in “street name”
(meaning the shares are held in the name of a bank, broker, or other nominee who is the record holder), you must provide the bank, broker,
or other nominee with instructions on how to vote your shares and can do so as follows:

| ● | By Internet or by telephone. Follow the instructions you receive from the bank, broker,                                           
 or other nominee to vote by Internet or telephone.                                                                                |
| ● | By mail. You will receive instructions from the bank, broker, or other nominee explaining                                         
 how to vote your shares.                                                                                                          |
| ● | At the meeting. If you attend the Special Meeting, you can vote using the 12-digit control                                        
 number in your notice of Internet availability of the proxy materials, on your proxy card or in the instructions that accompanied 
 your proxy materials.                                                                                                             |

To ensure that your vote is counted, please remember
to submit your vote by the date and time indicated on your proxy card, voting instruction form, or e-mail notification, as applicable.

What is a broker non-vote?

Broker non-votes are shares held in “street
name” by brokers, banks or other nominees that are present or represented by proxy at the Special Meeting, but with respect to
which the broker, bank, or other nominee has not been instructed by the beneficial owner of such shares as to how to vote on a “non-routine”
proposal for which the broker, bank, or other nominee does not have discretionary voting power. As discussed above, the Asset Sale Proposal,
the Advisory Compensation Proposal, and the Adjournment Proposal are all “non-routine” proposals. As a result