Company: NCEL
Filing Date: 2025-07-29
Form Type: F-4/A
Source: 0001213900-25-068765
Chunk: 54

Company: NewcelX Ltd.
Filing Date: 2025-07-29
Form: F-4/A
Chunk 54
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 representative may only cast your vote by providing the original wet ink signed Proxy Card at the extraordinary shareholders’ meeting which explicitly names the third party as your designated representative. With the representation by the independent proxy or a third party, a shareholder has no additional right of physical attendance at the extraordinary shareholders’ meeting. Yours sincerely,

| On behalf of the Board of Directors of NLS Pharmaceutics Ltd. |
| /s/ Ronald Hafner                                             |
| Ronald Hafner                                                 |
| Chairman of the Board of Directors                            |

Appendices: Appendix 1: Registration Form
Appendix 2: Proxy Card.

Appendix 2 REGISTRATION FORM EXTRAORDINARY SHAREHOLDERS’ MEETING NLS PHARMACEUTICS LTD. (CHE-447.067.367) TO BE RETURNEDTO NLS PHARMACEUTICS LTD., DULY COMPLETED AND SIGNED AS
PROVIDED IN THE INVITATION DATED JULY [29], 2025, LATEST BYAUGUST 21, 2025
(RECEIVED BY 11:59 PM CEST). The extraordinary shareholders’ meeting of NLS Pharmaceutics Ltd. will be held as follows:

| − |     | Date:         |     | August 25, 2025                                   |
|:--|:----|:--------------|:----|:--------------------------------------------------|
| − |     | Doors open:   |     | 15:45 pm (CEST)                                   |
| − |     | Meeting time: |     | 16:00 pm (CEST)                                   |
| − |     | Place:        |     | At the premises of Baker McKenzie Switzerland AG, 
 Holbeinstrasse 30, 8034 Zurich, Switzerland.      |

Select one of the two options:

| Date and place: |
| Name:           |
| Signature:      |

*****

Appendix 3 VOTE ON INTERNET Go to http://www.vstocktransfer.com/proxy Click on Proxy Voter Login and log-on using the below control number. Voting will be open until 11:59 p.m. (Eastern Time) August 21, CONTROL 

# VOTE BY EMAIL Mark, sign and date your proxy card and return it in the envelope we have provided. send it to vote@vstocktransfer.com. SPECIMEN 1 MAIN STREET ANYWHERE PA 99999-9999 Please Vote, Sign, Date and Return Promptly in the Enclosed Envelope. Extra