Company: NCEL
Filing Date: 2025-03-31
Form Type: 425
Source: 0001213900-25-025889
Chunk: 133

Company: NewcelX Ltd.
Filing Date: 2025-03-31
Form: 425
Chunk 133
---
 for the benefit of the parties hereto and their respective permitted successors and assigns, and is not for the
benefit of, nor may any provision hereof be enforced by, any other Person.

(n) The
obligations of each Investor hereunder are several and not joint with the obligations of any other Investor, and no provision of this
Agreement is intended to confer any obligations on any Investor vis-à-vis any other Investor. Nothing contained herein, and no
action taken by any Investor pursuant hereto, shall be deemed to constitute the Investors as a partnership, an association, a joint venture
or any other kind of entity, or create a presumption that the Investors are in any way acting in concert or as a group with respect to
such obligations or the transactions contemplated herein.

(o) Legal
Counsel may resign as Legal Counsel on five (5) calendar days prior notice to the Company and the Purchasers. Legal Counsel may rely on
instructions from the holders of a majority of the Registrable Securities.

<div align='center'>* * * * * *

[Signature Page Follows]

18</div>

IN WITNESS WHEREOF, the parties
have executed this Registration Rights Agreement as of the date first written above.

| COMPANY:               |        |                         |
| NLS PHARMACEUTICS LTD. |        |                         |
| By:                    |        |                         |
|                        | Name:  | Alexander Zwyer         |
|                        | Title: | Chief Executive Officer |

<div align='center'>[SIGNATURE PAGE OF HOLDERS FOLLOWS]

19

[SIGNATURE PAGE OF PURCHASER TO NLS PHARMACEUTICS LTD. RRA]</div>

Name of Purchaser: _____________________________________________________________

Signature of Authorized Signatory of Purchaser: ______________________________________

Name of Authorized Signatory: ____________________________________________________

Title of Authorized Signatory: _____________________________________________________

Email Address of Authorized Signatory: _____________________________________________

State of Incorporation of Purchaser: _________________________________________________

Address for Notice to Purchaser: ___________________________________________________

Taxpayer ID

# (if applicable): ______________________
<div align='center'>20

SCHEDULE OF PURCHASERS</div>

EXHIBIT A

<div align='center'>FORM OF NOTICE OF EFFECTIVENESS
OF REGISTRATION STATEMENT</div>

Vstock

18 Lafayette Place

Woodmere, NY 11598

| Re: | NLS Pharmaceutics Ltd. |

Ladies and Gentlemen:

We have been