Document:

EX-10.9

 Exhibit 10.9 

____________, 2021 
 Crixus BH3 Acquisition
Company 
 819 NE 2nd Avenue, Suite 500 
 Fort Lauderdale, FL
33304
 Guggenheim Securities, LLC 
 BTIG, LLC 

as Representatives (as defined below) of the several Underwriters 

listed in Schedule I to the Underwriting Agreement (as defined below) 

c/o Guggenheim Securities, LLC 
 330 Madison Avenue, 8th Floor

 New York, NY 10017 
 c/o BTIG, LLC 

600 Montgomery Street, 6th Floor 
 San Francisco, CA 94111 

 

	Re:	 Initial Public Offering 

Ladies and Gentlemen: 
 This letter (the “Letter
Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) entered into by and between Crixus BH3 Acquisition Company, a Delaware corporation (the
“Company”) and Guggenheim Securities, LLC and BTIG, LLC, as representatives (the “Representatives”) of the several underwriters named in Schedule A thereto (the “Underwriters”),
relating to an underwritten initial public offering (the “IPO”) of the Company’s units (the “Units”), each unit comprised of one share of the Company’s Class A common stock, par value
$0.0001 per share (the “Common Stock”), and one-half of one redeemable warrant, each whole warrant exercisable for one share of Common Stock (each, a “Warrant”).
Certain capitalized terms used herein are defined in paragraph 12 hereof. 
 In order to induce the Company and the Underwriters to enter into the
Underwriting Agreement and to proceed with the IPO, and in recognition of the benefit that such IPO will confer upon the undersigned, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the
undersigned hereby agrees with the Company as follows: 
  

	 	1.	 If the Company solicits approval of its stockholders of a Business Combination, the undersigned will vote all
shares of Common Stock beneficially owned by him or her, whether acquired before, in or after the IPO, in favor of such Business Combination. 

  

	 	2.	 In the event that the Company does not complete a Business Combination within the time period set forth in the
Company’s amended and restated certificate of incorporation, as the same may be further amended from time to time (the “Charter”), the undersigned will, as promptly as possible, take all necessary actions to cause the
Company to (i) cease all operations except for the purpose of winding up, (ii) as promptly as reasonably possible, but not more than 10 business days thereafter, redeem the IPO Shares, at a per-share
price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account, including interest earned on the funds held in the Trust Account and not previously released to the Company to pay its tax obligations, if any (less up to
$100,000 of interest to pay dissolution expenses), divided by the number of the then outstanding IPO Shares, which redemption will completely extinguish public stockholders’ rights as stockholders (including the right to receive further
liquidation distributions, if any), and (iii) as promptly as reasonably possible following such redemption, subject to the approval of the Company’s remaining stockholders and the Company’s board of directors, liquidate and dissolve ,
subject 

	 	 
in each case to the Company’s obligations under Delaware law to provide for claims of creditors and the requirements of other applicable law. The undersigned hereby waives any and all right,
title, interest or claim of any kind in or to any distribution of the Trust Account and any remaining net assets of the Company as a result of such liquidation with respect to the Founder Shares owned by the undersigned. However, if any of the
undersigned have acquired IPO Shares in or after the IPO, they will be entitled to liquidating distributions from the Trust Account with respect to such IPO Shares in the event that the Company does not complete a Business Combination within the
time period set forth in the Charter. The undersigned acknowledges and agrees that there will be no distribution from the Trust Account with respect to any Warrants, all rights of which will terminate on the Company’s liquidation.

  

	 	3.	 The undersigned acknowledges and agrees that prior to entering into a definitive agreement for a Business
Combination with a target business that is affiliated with the undersigned or any other Insiders of the Company or their affiliates, such transaction must be approved by a majority of the Company’s disinterested independent directors and the
Company must obtain an opinion from an independent investment banking firm, which is a member of the Financial Industry Regulatory Authority, or an independent accounting firm that such Business Combination is fair to the Company’s unaffiliated
stockholders from a financial point of view. 

  

	 	4.	 None of the undersigned, any member of the family of any of the undersigned, or any affiliate of the
undersigned will be entitled to receive and will not accept any compensation or other cash payment from the Company prior to, or for services rendered in order to effectuate, the completion of the Business Combination; provided that the Company
shall be allowed to make the payments set forth in the Registration Statement adjacent to the caption “Prospectus Summary—The Offering—Limited payments to insiders.” 

 

	 	5.	 (a) The undersigned agrees not to Transfer the Founder Shares (or any shares of Common Stock issuable upon
conversion thereof) (except to certain permitted transferees as described in the Registration Statement or herein) (the “Lockup”) until the earlier to occur of: (1) one year after the completion of the Company’s
initial Business Combination or (2) subsequent to the Company’s initial Business Combination, (x) if the last reported sale price of Common Stock equals or exceeds $12.00 per share (as adjusted for stock splits, stock capitalizations,
reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after the Company’s initial Business Combination or (y) the date
on which the Company completes a liquidation, merger, capital stock exchange or other similar transaction that results in all of the Company’s public stockholders having the right to exchange their shares of common stock for cash, securities or
other property. 

 (b) Notwithstanding the provisions set forth in paragraphs 5(a) and 5(c), during the period commencing
on the effective date of the Underwriting Agreement and ending 180 days after such date, the undersigned will not, without the prior written consent of the Representatives pursuant to the Underwriting Agreement, (i) sell, offer to sell,
contract or agree to sell, hypothecate, pledge, hedge or otherwise dispose of or agree to dispose of (or enter into any transaction that is designed to, or might reasonably be expected to, result in the disposition (whether by actual disposition or
effective economic disposition due to cash settlement or otherwise) by the undersigned or any affiliate of the undersigned or any person in privity with the undersigned or any affiliate of the undersigned), directly or indirectly, including the
filing (or participation in the filing) of a registration statement with the Securities and Exchange Commission (the “SEC”) in respect of, or establish or increase a put equivalent position or liquidate or decrease a call
equivalent position within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, (the “Exchange Act”) and the rules and regulations of the SEC promulgated thereunder with respect to, any Units,
shares of Common Stock, Founder Shares or Warrants or any securities convertible into, or exercisable, or exchangeable for, shares of Common Stock owned by it, him or her, (ii) enter into any swap or other arrangement that transfers to another,
in whole or in part, any of the economic consequences of ownership of any Units, shares of Common Stock, Founder Shares, Warrants or any securities convertible into, or exercisable, or exchangeable for, shares of Common Stock owned by it, him or
her, whether any such transaction is to be settled by delivery of such securities, in cash or otherwise, or (iii) publicly announce any intention to effect any transaction, including the filing of a registration statement, specified in clause
(i) or (ii). The provisions of this paragraph will not apply (i) to the transfer of Founder Shares to any 

 
independent director appointed or elected to the Company’s board of directors before or after the IPO or (ii) if the release or waiver is effected solely to permit a transfer not for
consideration and, in each case the transferee has agreed in writing to be bound by the same terms described in this Letter Agreement to the extent and for the duration that such terms remain in effect at the time of the transfer. 

(c) The undersigned agrees not to Transfer any Private Placement Warrants (or shares of Common Stock issued or issuable upon the exercise of
the Private Placement Warrants), until 30 days after the completion of the Company’s initial Business Combination. 
 (d)
Notwithstanding the provisions set forth in paragraphs 5(a) and (c), Transfers by the undersigned of the Founder Shares, Private Placement Warrants and shares of Common Stock issued or issuable upon the exercise of the Private Placement Warrants or
conversion of the Founder Shares are permitted (i) to the Company’s officers or directors, any affiliates or family members of any of the Company’s officers or directors, to Crixus BH3 Sponsor, LLC, a Delaware limited liability
company (the “Sponsor”), any members or partners of the Sponsor or their affiliates, any affiliates of the Sponsor, or any employees of such affiliates; (ii) in the case of an individual, by gift to a member of the
individual’s immediate family or to a trust, the beneficiary of which is a member of one of the individual’s immediate family, an affiliate of such person or to a charitable organization; (iii) in the case of an individual, by virtue
of laws of descent and distribution upon death of the individual; (iv) in the case of an individual, pursuant to a qualified domestic relations order; (v) by private sales or transfers made in connection with the completion of the Business
Combination at prices no greater than the price at which the Founder Shares, Private Placement Warrants or shares of Common Stock, as applicable, were originally purchased; (vi) by virtue of the laws of the State of Delaware or the
Sponsor’s organizational documents upon liquidation or dissolution of the Sponsor; (vii) to the Company for no value for cancellation in connection with the completion of the Business Combination; (viii) in the event of the
Company’s liquidation prior to the completion of a Business Combination; or (ix) in the event of completion of a liquidation, merger, share exchange or other similar transaction which results in all of the Company’s public
stockholders having the right to exchange their shares of Common Stock for cash, securities or other property subsequent to the completion of a Business Combination; provided, however, that in the case of clauses (i) through (vi)
these permitted transferees must enter into a written agreement agreeing to be bound by the restrictions herein. For the avoidance of doubt, the transfers of Founder Shares, Private Placement Warrants and shares of Common Stock issued or issuable
upon the exercise of the Private Placement Warrants or conversion of the Founder Shares shall be permitted regardless of whether a filing under Section 16(a) of the Exchange Act shall be required or shall be voluntarily made with respect to
such transfers. 
 (e) The undersigned acknowledges and agrees that if, in order to complete any Business Combination, the holders of Founder
Shares or Private Placement Warrants are required to contribute back to the capital of the Company a portion of any such securities to be cancelled by the Company or transfer any such securities to third parties, the undersigned will contribute back
to the capital of the Company or transfer to such third parties, at no cost, a proportionate number of Founder Shares or Private Placement Warrants, as applicable, pro rata with the other holders of Founder Shares or Private Placement Warrants, as
applicable. 
  

	 	6.	 Each Insider hereby agrees and acknowledges that: (i) the Underwriters and the Company would be
irreparably injured in the event of a breach by such Insider of his or her obligations under paragraphs 1, 2, 3, 4, 5, 7, 10 and 11 of this Letter Agreement (ii) monetary damages may not be an adequate remedy for such breach and (iii) the non-breaching party shall be entitled to seek injunctive relief, in addition to any other remedy that such party may have in law or in equity, in the event of such breach. 

 

	 	7.	 In order to minimize potential conflicts of interest that may arise from multiple corporate affiliations, the
undersigned hereby agrees that until the earliest of the Company’s initial Business Combination or liquidation, the undersigned shall present to the Company for its consideration, prior to presentation to any other entity, any target business
that has a fair market value of at least 80% of the assets held in the Trust Account (excluding the amount of deferred underwriting discounts held in trust and taxes payable on the interest earned on the trust account), subject to any existing or
future fiduciary or contractual obligations the undersigned might have. 

	 	8.	 The undersigned agrees to be a director or officer of the Company, as applicable, until the earlier of the
completion by the Company of an initial Business Combination, the liquidation of the Company, or his or her removal, death or incapacity. In the event of the removal or resignation of the undersigned as a director or officer (as applicable), the
undersigned agrees that he or she will not, prior to the completion of the Business Combination, without the prior express written consent of the Company, (i) use for the benefit of the undersigned or to the detriment of the Company or
(ii) disclose to any third party (unless required by law or governmental authority), any information regarding a potential target of the Company that is not generally known by persons outside of the Company, the Sponsor, or their respective
affiliates. The undersigned’s biographical information previously furnished to the Company and the Representatives is true and accurate in all material respects, does not omit any material information with respect to the undersigned’s
background and contains all of the information required to be disclosed pursuant to Item 401 of Regulation S-K, promulgated under the Securities Act of 1933, as amended. The undersigned’s FINRA
Questionnaire previously furnished to the Company and the Representatives is true and accurate in all material respects. The undersigned represents and warrants that: 

(a) He or she is not subject to, or a respondent in, any legal action for, any injunction, cease-and-desist order or order or stipulation to desist or refrain from any act or practice relating to the offering of securities in any jurisdiction; 

(b) He or she has never been convicted of or pleaded guilty to any crime (i) involving any fraud or (ii) relating to any financial
transaction or handling of funds of another person, or (iii) pertaining to any dealings in any securities and he is not currently a defendant in any such criminal proceeding; and 

(c) He or she has never been suspended or expelled from membership in any securities or commodities exchange or association or had a securities
or commodities license or registration denied, suspended or revoked. 
  

	 	9.	 The undersigned has full right and power, without violating any agreement by which he or she is bound, to enter
into this Letter Agreement and to serve as a director or officer of the Company, as applicable. 

  

	 	10.	 The undersigned hereby waives his or her right to exercise redemption rights with respect to any of the
Company’s shares of Common Stock owned or to be owned by the undersigned, directly or indirectly, whether such shares be part of the Founder Shares or IPO Shares, and agrees that he or she will not seek redemption with respect to such shares
(or sell such shares to the Company in any tender offer) in connection with any stockholder vote to approve (x) a Business Combination or (y) an amendment to the Charter that would affect the substance or timing of the Company’s
obligation to allow redemption in connection with the Business Combination or to redeem 100% of the shares of Common Stock if the Company has not completed a Business Combination within 18 months from the closing of the IPO (or 21 months or 24
months, as applicable, from the closing of the IPO if the Company extends the period of time to consummate a Business Combination). 

  

	 	11.	 The undersigned hereby agrees to not propose, or vote in favor of, an amendment to Section 9.2(d) of the
Charter prior to the completion of a Business Combination unless the Company provides public stockholders with the opportunity to redeem their shares of Common Stock upon such approval in accordance with such Section 9.2(d) thereof.

  

	 	12.	 This Letter Agreement shall be governed by and construed and enforced in accordance with the laws of the State
of New York, without giving effect to conflicts of law principles that would result in the application of the substantive laws of another jurisdiction. The undersigned hereby (i) agrees that any action, proceeding or claim against him arising
out of or relating in any way to this Letter Agreement shall be brought and enforced in the courts of the State of New York of the United States of America for the Southern District of New York, and irrevocably submits to such jurisdiction, which
jurisdiction shall be exclusive and (ii) waives any objection to such exclusive jurisdiction and that such courts represent an inconvenient forum. 

	 	13.	 As used herein, (i) a “Business Combination” shall mean a merger, stock exchange,
asset acquisition, stock purchase, recapitalization, reorganization or other similar business combination with one or more businesses or entities; (ii) “Insiders” shall mean all officers, directors and sponsors of the Company
immediately prior to the IPO; (iii) “Founder Shares” shall mean all of the Class B common stock of the Company, par value $0.0001 per share, acquired by an Insider prior to the IPO; (iv) “IPO
Shares” shall mean the shares of Common Stock issued in the Company’s IPO; (v) “Private Placement Warrants” shall mean the warrants that are being sold privately by the Company simultaneously with the
consummation of the IPO; (vii) “Transfer” shall mean the (a) sale of, offer to sell, contract or agreement to sell, hypothecate, pledge, grant of any option to purchase or otherwise dispose of or agreement to dispose of,
directly or indirectly, or establishment or increase of a put equivalent position or liquidation with respect to or decrease of a call equivalent position within the meaning of Section 16 of the Exchange Act, and the rules and regulations of
the Commission promulgated thereunder with respect to, any security, (b) entry into any swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of any security, whether any such
transaction is to be settled by delivery of such securities, in cash or otherwise, or (c) public announcement of any intention to effect any transaction specified in clause (a) or (b); (vii) “Trust Account” shall
mean the trust account into which the net proceeds of the Company’s IPO and a portion of the proceeds from the sale of the Private Placement Warrants will be deposited; and (viii) “Registration Statement” means the
Company’s registration statement on Form S-1 (SEC File No. [●]) filed with the SEC, as amended. 

  

	 	14.	 This Letter Agreement constitutes the entire agreement and understanding of the parties hereto in respect of
the subject matter hereof and supersedes all prior understandings, agreements, or representations by or among the parties hereto, written or oral, to the extent they relate in any way to the subject matter hereof or the transactions contemplated
hereby. This Letter Agreement may not be changed, amended, modified or waived (other than to correct a typographical error) as to any particular provision, except by a written instrument executed by all parties hereto. 

 

	 	15.	 The undersigned acknowledges and understands that the Underwriters and the Company will rely upon the
agreements, representations and warranties set forth herein in proceeding with the IPO. Nothing contained herein shall be deemed to render any Underwriter, a representative of, or a fiduciary with respect to, the Company, its stockholders or any
creditor or vendor of the Company with respect to the subject matter hereof. 

  

	 	16.	 This Letter Agreement shall be binding on the undersigned and such person’s respective successors, heirs,
personal representatives and assigns. This Letter Agreement shall terminate on the earlier of (i) the completion of a Business Combination and (ii) the liquidation of the Company; provided, that such termination shall not relieve the
undersigned from liability for any breach of this agreement prior to its termination. The parties hereto may not assign either this Letter Agreement or any of their rights, interests, or obligations hereunder without the prior written consent of the
other party. Any purported assignment in violation of this paragraph shall be void and ineffectual and shall not operate to transfer or assign any interest or title to the purported assignee. 

[Signature Page Follows] 

			
	Sincerely,
		
	By:	 	
                 

	
	Name of Insider:

			
	Acknowledged and Agreed:
	
	CRIXUS BH3 ACQUISITION COMPANY
		
	By:	 	  

	Name:	 	Gregory Freedman
	Title:	 	Co-Chief Executive Officer and Chief Financial OfficerEX-10.10

 Exhibit 10.10 

Crixus BH3 Acquisition Company 

819 NE 2nd Avenue, Suite 500 

Fort Lauderdale, FL 33304 
 [•], 2021

 Crixus BH3 Sponsor LLC 
 819 NE 2nd Avenue, Suite 500 

Fort Lauderdale, FL 33304 
  

	 	Re:	 Administrative Services Agreement 

Ladies and Gentlemen: 
 This letter agreement by
and between Crixus BH3 Acquisition Company, (the “Company”) and Crixus BH3 Sponsor LLC (“Provider”), dated as of the date hereof, will confirm our agreement that, commencing on the effective date (the
“Effective Date”) of the Registration Statement on Form S-1 filed with the U.S. Securities and Exchange Commission (the “Registration Statement”) for the Company’s
initial public offering and continuing until the earlier of the consummation by the Company of an initial business combination or the Company’s liquidation (in each case as described in the Registration Statement) (such earlier date hereinafter
referred to as the “Termination Date”): 
  

	 	i.	 Provider shall make available, or cause to be made available, to the Company, at 819 NE 2nd Avenue, Suite 500,
Fort Lauderdale, FL 33304 (or any successor location of Provider), certain office space and administrative services as may be reasonably required by the Company. In exchange therefor, the Company shall pay Provider the sum of $15,000 per month on
the Effective Date and continuing monthly thereafter until the Termination Date; and 

  

	 	ii.	 Provider hereby irrevocably waives any and all right, title, interest, causes of action and claims of any kind
as a result of, or arising out of, this letter agreement (each, a “Claim”) in or to, and any and all right to seek payment of any amounts due to it out of, the trust account established for the benefit of the public stockholders of
the Company and into which substantially all of the proceeds of the Company’s initial public offering will be deposited (the “Trust Account”), and hereby irrevocably waives any Claim it may have in the future, which Claim would
reduce, encumber or otherwise adversely affect the Trust Account or any monies or other assets in the Trust Account, and further agrees not to seek recourse, reimbursement, payment or satisfaction of any Claim against the Trust Account or any monies
or other assets in the Trust Account for any reason whatsoever. 

 This letter agreement constitutes the entire agreement
and understanding of the parties hereto in respect of its subject matter and supersedes all prior understandings, agreements, or representations by or among the parties hereto, written or oral, to the extent they relate in any way to the subject
matter hereof or the transactions contemplated hereby. 
 This letter agreement may not be amended, modified or waived as to any particular
provision, except by a written instrument executed by all parties hereto. 
 No party hereto may assign either this letter agreement or any
of its rights, interests, or obligations hereunder without the prior written approval of the other party. Any purported assignment in violation of this paragraph shall be void and ineffectual and shall not operate to transfer or assign any interest
or title to the purported assignee. 
 This letter agreement constitutes the entire relationship of the parties hereto, and any litigation
between the parties (whether grounded in contract, tort, statute, law or equity) shall be governed by, construed in accordance with, and interpreted pursuant to the laws of the State of Delaware, without giving effect to its choice of laws
principles. 

 
			
	Sincerely,
	
	CRIXUS BH3 ACQUISITION COMPANY

 
			
		
	By:	 	  

 
			
	Name: Daniel Lebensohn
	Title:   Co-Chief Executive Officer

  

			
	AGREED TO AND ACCEPTED BY:
	
	CRIXUS BH3 SPONSOR LLC

			
		
	By:	 	  

			
	Name: Gregory Freedman
	Title:   President

  

  
 [Signature Page to
Administrative Services Agreement]

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