Company: SINT
Filing Date: 2025-07-31
Form Type: DEF 14A
Source: 0001641172-25-021774
Chunk: 4

Company: Sintx Technologies, Inc.
Filing Date: 2025-07-31
Form: DEF 14A
Chunk 4
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 | By                                                                                                                            
 Internet: go to www.proxyvote.com or scan the QR Barcode on your proxy card;                                                  |
| 3. | Vote                                                                                                                          
 by Mail: Mark, sign and date your proxy card and return it in the postage-paid envelope we have provided or return it to Vote 
 Processing, c/o Broadridge Financial Solutions, Inc., 51 Mercedes Way, Edgewood, NY 11717; or                                 |
| 4. | In                                                                                                                            
 person: If you are a Record Holder you may vote your shares in person.                                                        |

Please note that Internet proxy voting will close at 11:59 P.M. (Eastern Standard Time) on September 3, 2025. If you received a proxy card in the mail and wish to vote by completing and returning the proxy card via mail, please note that your completed proxy card must be received before the polls close for voting at the Annual Meeting.

Voting by beneficial owners of shares held in “street name.”If your shares are held in the name of a bank, broker or other holder of record (also known as “street name”), you have the right to direct your bank, broker or other nominee on how to vote your shares by using the voting instruction form provided to you by them, or by following their instructions for voting through the internet or by telephone. In order for your shares to be voted on all matters presented at the meeting, we urge all shareholders whose shares are held in street name by a bank, brokerage firm or other nominee to provide voting instructions to such record holder. You may vote shares held through your broker in person at the Annual Meeting only if you obtain a valid proxy from your broker giving you the legal right to vote the shares at the Annual Meeting.

Q: What can I do if I change my mind after I vote my shares?

A: If you are a stockholder of record, you may revoke your proxy at any time before it is voted at the annual meeting by:

| ● | sending                                                                
 written notice of revocation to our Corporate Secretary;               |
| ● | submitting                                                             
 a new, proper proxy dated later than the date of the revoked proxy; or |
| ● | attending                                                              
 the annual meeting and voting in person.                               |

If you own shares held in street name, you may submit new voting instructions by contacting your broker, bank or nominee. You may also vote in person at the annual meeting if you obtain a legal proxy as described in the answer to the previous question. Attendance