CRIXUS BH3 ACQUISITION COMPANY
819 NE 2nd Avenue, Suite 500
Fort Lauderdale, Florida, 33304
SUPPLEMENT NO. 1 TO THE PROXY STATEMENT AND
AMENDED NOTICE OF SPECIAL MEETING TO BE HELD ON OCTOBER 6, 2023
September 26, 2023
Dear Fellow Stockholders:
You recently received proxy materials relating to several proposals to be voted on by stockholders of Crixus BH3 Acquisition Company
(Crixus BH3, Company, we, us or our) at a special meeting of stockholders (the special meeting) scheduled to be held on September 29, 2023. This important notice is to
inform you that the special meeting has been rescheduled to Friday, October 6, 2023 at 9:00 a.m., local time, at the offices of Greenberg Traurig, P.A., located at 401 East Las Olas Boulevard, Suite 2000, Fort Lauderdale, FL 33301.
In connection with the postponement of the special meeting, the right of public stockholders to exercise their right to redeem their public
shares for their pro rata portion of the funds available in the Companys Trust Account, or to withdraw any previously delivered demand for redemption, has been extended to 5:00 p.m., Eastern time, on Wednesday, October 4, 2023 (two
business days before the postponed Special Meeting).
The information in this letter and the accompanying proxy statement supplement (the
Supplement) is intended to supplement and amend certain information included in the definitive proxy statement relating to the special meeting, which was filed with the Securities and Exchange Commission on September 6, 2023 (the
Proxy Statement). Capitalized terms used and not otherwise defined herein have the meanings ascribed to them in the Proxy Statement.
In addition to the proposals described in the Proxy Statement, the Board of Directors is asking stockholders to approve a proposal to amend
our amended and restated certificate of incorporation, as amended (the charter) to provide for the right of a holder of Class B common stock of the Company (Class B common stock) to convert their shares of
Class B common stock into shares of Class A common stock on a one-to-one basis at any time and from time to time at the election of the holder.
We are providing the Supplement and a revised proxy card or voting instruction card to allow our stockholders to vote on all proposals,
including the new proposal.
PLEASE NOTE THAT WE HAVE ENCLOSED A REVISED PROXY CARD. WE ASK THAT YOU CONSIDER THESE MATERIALS AND THE INSTRUCTIONS ON
HOW TO VOTE IN ORDER TO EFFECTIVELY VOTE FOR ALL PROPOSALS AND USE THE REVISED PROXY CARD.
Stockholders are urged to vote their
proxies by completing, signing, dating and returning the enclosed revised proxy card in the accompanying pre-addressed postage paid envelope, or to direct their brokers or other agents on how to vote
the shares in their accounts, as applicable. The receipt of your new proxy or voting instructions will revoke and supersede any proxy or voting instructions previously submitted.
If you have already completed and returned the original proxy card, by completing, signing, dating and returning the revised proxy card, you
will replace the original proxy card in its entirety and only your vote as indicated on the revised proxy card will be counted. If you have already voted and do not submit new voting instructions, your previously submitted proxy or voting
instructions will be voted at the special meeting with respect to all other proposals, but will not be counted in determining the outcome of the newly added proposals. This Amended Notice, the Supplement and the Proxy Statement are also available at
https://www.cstproxy.com/crixusbh3acquisition/2023. Details of the business to be conducted at the special meeting are given in the Amended Notice, our Proxy Statement, and the Supplement. References to in person attendance or voting in
any of our proxy materials, including the Supplement, refers, therefore, to attending or voting at the special meeting.