Company: IXHL
Filing Date: 2025-03-18
Form Type: PRE 14A
Source: 0001213900-25-024754
Chunk: 3

Company: Incannex Healthcare Inc.
Filing Date: 2025-03-18
Form: PRE 14A
Chunk 3
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| APPENDIX A – FORM OF CERTIFICATE OF AMENDMENT TO AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF INCANNEX 
 HEALTHCARE INC.                                                                                                |     |  A-1 |

<div align='center'>i

PRELIMINARY PROXY STATEMENT FILED PURSUANT TO RULE 14a-6(a)

SUBJECT TO COMPLETION DATED MARCH 18, 2025

Incannex Healthcare Inc.

Suite 105, 8 Century Circuit

Norwest, NSW 2153

Australia</div>

[ ], 2025

<div align='center'>PROXY STATEMENT FOR INCANNEX HEALTHCARE INC.
SPECIAL MEETING OF STOCKHOLDERS TO BE HELD ON APRIL 29, 2025</div>

This proxy statement, along
with the accompanying notice of special meeting of stockholders, contains information about the special meeting of stockholders of Incannex
Healthcare Inc. (the “Special Meeting”), including any adjournments or postponements of the Special Meeting.

We are holding the Special
Meeting at 9:30 am Eastern time, on April 29, 2025. The Special Meeting will be conducted solely via live audio webcast on the Internet.
You will be able to attend the Special Meeting, vote and submit your questions during the Special Meeting by visiting www.meetnow.global/M7SKRH9.
You will not be able to attend the Special Meeting in person.

In this proxy statement,
we refer to Incannex Healthcare Inc. as “Incannex,” “the Company,” “we” and “us.”

This proxy statement relates
to the solicitation of proxies by our board of directors for use at the Special Meeting.

On or about March 29, 2025, we intend to begin sending this proxy statement, the attached notice of the Special Meeting and the enclosed proxy card to all stockholders entitled to vote at the Special Meeting.

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IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE
STOCKHOLDER MEETING TO BE HELD ON APRIL 29, 2025</div>

This proxy statement, the
notice of special meeting of stockholders and our form of proxy card are available for viewing, printing and downloading at www.investorvote.com/IXHL.
To view these materials please have your 16-digit control number(s) available that appears on your proxy card. On