Exhibit 10.1


 


[●], 2021


 


Atlas
Crest Investment Corp. III

399 Park Avenue

New York, New York 10022


 


Re: Initial
Public Offering


 


Ladies and Gentlemen:


 


This letter (this “Letter
Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the
 “Underwriting Agreement”) entered into by and between Atlas Crest Investment Corp. III, a Delaware
corporation (the “Company”), and Cantor Fitzgerald & Co., as representative (the
 “Representative”) of the several underwriters (each, an “Underwriter” and
collectively, the “Underwriters”), relating to an underwritten initial public offering (the
 “Public Offering”), of up to 69,000,000 of the Company’s units (including up to 9,000,000
units that may be purchased to cover over-allotments, if any) (the “Units”), each comprised of one
share of the Company’s Class A common stock, par value $0.0001 per share (the “Class A Common
Stock”), and one-fourth of one redeemable warrant. Each whole warrant (each, a
 “Warrant”) entitles the holder thereof to purchase one share of Class A Common Stock at a
price of $11.50 per share, subject to adjustment as described in the Prospectus (as defined below). The Units will be sold in
the Public Offering pursuant to a registration statement on Form S-1 and prospectus (the
 “Prospectus”) filed by the Company with the U.S. Securities and Exchange Commission (the
 “Commission”) and the Units have been approved for listing on the New York Stock Exchange. Certain
capitalized terms used herein are defined in paragraph 11 hereof.


 


In order to induce the Company and the
Underwriters to enter into the Underwriting Agreement and to proceed with the Public Offering and for other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, each of Atlas Crest Investment III-A LLC and Atlas
Crest Investment III-B LLC (together, the “Sponsor”) and the undersigned individuals, each of whom is a
member of the Company’s board of directors and/or management team (each of the undersigned individuals, an
 “Insider” and collectively, the “Insiders”), hereby agrees with the Company as
follows:


 


1.            The
Sponsor and each Insider agrees that if the Company seeks stockholder approval of a proposed Business Combination, then in connection
with such proposed Business Combination, it, he or she shall (i) vote any shares of Common Stock (as defined below) owned
by it, him or her in favor of any proposed Business Combination and (ii) not redeem any shares of Common Stock owned by it,
him or her in connection with such stockholder approval. If the Company seeks to consummate a proposed Business Combination by
engaging in a tender offer, the Sponsor and each Insider agrees that it, he or she will not sell or tender any shares of Common
Stock owned by it, him or her in connection therewith.


 


2.            The
Sponsor and each Insider hereby agrees that in the event that the Company fails to consummate a Business Combination within 24
months from the closing of the Public Offering, or such later period approved by the Company’s stockholders in accordance
with the Company’s amended and restated certificate of incorporation (as it may be amended from time to time, the “Charter”),
the Sponsor and each Insider shall take all reasonable steps 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 ten business days thereafter, redeem 100%
of the shares of Class A Common Stock sold as part of the Units in the Public Offering (the “Offering Shares”),
at a per-share price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account (as defined below), including
interest earned on the funds held in the Trust Account (which interest shall be net of taxes payable and up to $100,000 of interest
to pay dissolution expenses), divided by the number of then outstanding Offering Shares, which redemption will completely extinguish
all Public Stockholders’ rights as stockholders (including the right to receive further liquidating 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 other requirements of applicable law. The Sponsor and each Insider agrees
to not propose any amendment to the Charter to modify the substance or timing of the Company’s obligation to redeem 100%
of the Offering Shares if the Company does not complete a Business Combination within the required time period set forth in the
Charter or with respect to any other material provisions relating to stockholders’ rights or pre-initial business combination
activity, unless the Company provides its Public Stockholders with the opportunity to redeem their Offering Shares upon approval
of any such amendment 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 (which interest shall be net of taxes payable and up to $100,000
of interest to pay dissolution expenses), divided by the number of then outstanding Offering Shares.


 






    


     


    

 


The Sponsor and each Insider acknowledges
that it, he or she has no right, title, interest or claim of any kind in or to any monies held in the Trust Account or any other
asset of the Company as a result of any liquidation of the Company with respect to the Founder Shares held by it, him or her. The
Sponsor and each Insider hereby further waives, with respect to any shares of Common Stock held by it, him or her, if any, any
redemption rights it, he or she may have in connection with (A) the consummation of a Business Combination, including, without
limitation, any such rights available in the context of a stockholder vote to approve such Business Combination, or (B) a
stockholder vote to approve an amendment to the Charter to modify the substance or timing of the Company’s obligation to
redeem 100% of the Offering Shares if the Company has not consummated a Business Combination within the time period set forth in
the Charter or with respect to any other material provisions relating to stockholders’ rights or pre-initial business combination
activity or in the context of a tender offer made by the Company to purchase Offering Shares (although the Sponsor, the Insiders
and their respective affiliates shall be entitled to redemption and liquidation rights with respect to any Offering Shares it or
they hold if the Company fails to consummate a Business Combination within the time period set forth in the Charter).


 


3.            During
the period commencing on the effective date of the Underwriting Agreement and ending 180 days after such date, the Sponsor and
each Insider shall not, other than as permitted in the Amended and Restated Operating Agreement of the Sponsor, as amended, supplemented
or modified, from time to time, without the prior written consent of the Representative, (i) sell, offer to sell, contract
or agree to sell, hypothecate, pledge, grant any option to purchase or otherwise dispose of or agree to dispose of, directly or
indirectly, 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 Commission promulgated thereunder, with respect to, any Units, shares of Common Stock (including, but not limited
to, Founder Shares), 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 (including, but not limited to, 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 specified in clause (i) or (ii). Each of the Insiders and the Sponsor acknowledges and
agrees that, prior to the effective date of any release or waiver, of the restrictions set forth in this paragraph 3 or paragraph
7 below, the Company shall announce the impending release or waiver by press release through a major news service at least two
business days before the effective date of the release or waiver. Any release or waiver granted shall only be effective two business
days after the publication date of such press release. The provisions of this paragraph will not apply if the release or waiver
is effected solely to permit a transfer not for consideration and 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. For the avoidance of doubt, none of the provisions of this Section 3 shall apply for any transactions entered
into in connection with the consummation of an initial Business Combination.


 


4.             The
Sponsor and each Insider, with respect to itself or herself or himself, agrees that if the Company seeks stockholder approval of a proposed
initial Business Combination, then in connection with such proposed initial Business Combination, it, she or he, as applicable, shall
vote all Founder Shares and any shares of Common Stock held by it, her or him, as applicable, in favor of such proposed initial Business
Combination (including any proposals recommended by the Board in connection with such Business Combination) and not redeem any shares
of Common Stock held by it, her or him, as applicable, in connection with such stockholder approval.


 






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5.            In
the event of the liquidation of the Trust Account upon the failure of the Company to consummate its initial Business Combination
within the time period set forth in the Charter, the Sponsor (which for purposes of clarification shall not extend to any other
shareholders, members or managing managers of the Sponsor) (the “Indemnitor”) agrees to indemnify and
hold harmless the Company against any and all loss, liability, claim, damage and expense whatsoever (including, but not limited
to, any and all legal or other expenses reasonably incurred in investigating, preparing or defending against any litigation, whether
pending or threatened) to which the Company may become subject as a result of any claim by (i) any third party for services
rendered or products sold to the Company or (ii) any prospective target business with which the Company has entered into a
written letter of intent, confidentiality or other similar agreement or Business Combination agreement (a “Target”);
provided, however, that such indemnification of the Company by the Indemnitor (x) shall apply only to the extent necessary
to ensure that such claims by a third party or a Target do not reduce the amount of funds in the Trust Account to below the lesser
of (i) $10.00 per Offering Share and (ii) the actual amount per Offering Share held in the Trust Account as of the date
of the liquidation of the Trust Account, if less than $10.00 per Offering Share is then held in the Trust Account due to reductions
in the value of the trust assets, less taxes payable, (y) shall not apply to any claims by a third party or a Target which
executed a waiver of any and all rights to the monies held in the Trust Account (whether or not such waiver is enforceable) and
(z) shall not apply to any claims under the Company’s indemnity of the Underwriters against certain liabilities, including
liabilities under the Securities Act of 1933, as amended. In the event that any such executed
waiver by a third party or a Target is deemed to be unenforceable against such third party or Target, the Sponsor shall not be
responsible to the extent of any liability for such third-party claims. The Indemnitor shall have the right to defend against
any such claim with counsel of its choice reasonably satisfactory to the Company if, within 15 days following written receipt of
notice of the claim to the Indemnitor, the Indemnitor notifies the Company in writing that it shall undertake such defense. For
the avoidance of doubt, none of the Company’s officers or directors will indemnify the Company for claims by third parties,
including, without limitation, claims by vendors and prospective target businesses.


 


6.            To
the extent that the Underwriters do not exercise their over-allotment option to purchase up to an additional 9,000,000 Units within
45 days from the date of the Prospectus (and as further described in the Prospectus), the Sponsor agrees to forfeit, at no cost,
a number of Founder Shares in the aggregate equal to 2,250,000 multiplied by a fraction, (i) the numerator of which is 9,000,000
minus the number of Units purchased by the Underwriters upon the exercise of their over-allotment option, and (ii) the denominator
of which is 9,000,000. The forfeiture will be adjusted to the extent that the over-allotment option is not exercised in full by
the Underwriters so that the Founder Shares will represent an aggregate of 20.0% of the Company’s issued and outstanding
shares of Class A Common Stock after the Public Offering (not including shares of Class A Common Stock underlying the
Warrants or Private Placement Warrants (as defined below)). The Sponsor further agrees that to the extent that the size of the
Public Offering is increased or decreased, the Company will purchase or sell shares or effect a share repurchase or share capitalization,
as applicable, immediately prior to the consummation of the Public Offering in such amount as to maintain the ownership of the
initial shareholders prior to the Public Offering at 20.0% of its issued and outstanding Capital Shares upon the consummation of
the Public Offering. In connection with such increase or decrease in the size of the Public Offering, then (A) the references
to 9,000,000 in the numerator and denominator of the formula in the first sentence of this paragraph shall be changed to a number
equal to 15% of the number of Public Shares included in the Units issued in the Public Offering and (B) the reference to 2,250,000
in the formula set forth in the first sentence of this paragraph shall be adjusted to such number of Founder Shares that the Sponsor
would have to surrender to the Company in order for the initial shareholders to hold an aggregate of 20.0% of the Company’s
issued and outstanding shares of Class A Common Stock after the Public Offering (not including shares of Class A Common
Stock underlying the Warrants or Private Placement Warrants).


 


7.            The
Sponsor and 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 Sponsor or an Insider of its, his or her obligations under paragraphs 1, 2, 3, 4, 5, 7(a), 7(b) and
9, as applicable, 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 injunctive relief, in addition to any other remedy that such party may have in law or
in equity, in the event of such breach.


 


8.            (a)         The
Sponsor and each Insider agrees that it, he or she shall not Transfer any Founder Shares (or any shares of Class A Common
Stock issuable upon conversion thereof) until the earlier of (A) one year after the completion of the Company’s initial
Business Combination and (B) subsequent to the Business Combination, (x) if the closing price of the Class A Common
Stock equals or exceeds $12.00 per share (as adjusted for stock splits, stock dividends, 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, reorganization
or other similar transaction that results in all of the Company’s stockholders having the right to exchange their shares
of Class A Common Stock for cash, securities or other property (the “Founder Shares Lock-up Period”).


 








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(b)           The
Sponsor and each Insider agrees that it, he or she shall not Transfer any Private Placement Warrants (or any share of Class A
Common Stock issued or issuable upon the exercise of the Private Placement Warrants), until 30 days after the completion of a Business
Combination (the “Private Placement Warrants Lock-up Period”, together with the Founder Shares Lock-up
Period, the “Lock-up Periods”).


 


(c)            Notwithstanding
the provisions set forth in paragraphs 7(a) and (b), Transfers of the Founder Shares, Private Placement Warrants and shares
of Class A Common Stock issued or issuable upon the exercise or conversion of the Private Placement Warrants or the Founder
Shares that are held by the Sponsor, any Insider or any of their permitted transferees (that have complied with this paragraph
7(c)), are permitted (i) to the Company’s officers or directors, any affiliate or family member of any of the Company’s
officers or directors, any affiliate of the Sponsor or to any members of the Sponsor or any of their affiliates; (ii) in the
case of an individual, by gift to a member of such individual’s immediate family or to a trust, the beneficiary of which
is a member of such individual’s immediate family, an affiliate of such individual or to a charitable organization; (iii) in
the case of an individual, by virtue of laws of descent and distribution upon death of such 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
any forward purchase agreement or any financing transaction or similar arrangement or in connection with the consummation of an
initial Business Combination at prices no greater than the price at which each type of security was originally purchased; (vi) in
the event of the Company’s liquidation prior to the completion of an initial Business Combination; (vii) by virtue of
the laws of the State of Delaware (viii) the Amended and Restated Operating Agreement of the Sponsor, as amended, supplemented
or modified, from time to time ; or (ix) in the event of the Company’s liquidation, merger, capital stock exchange or
other similar transaction which results in all of the Company’s stockholders having the right to exchange their shares of
Class A Common Stock for cash, securities or other property subsequent to the Company’s completion of an initial Business
Combination; provided, however, that in the case of clauses (i) through (ix), these permitted transferees must enter into
a written agreement with the Company agreeing to be bound by the transfer restrictions herein and the other restrictions contained
in this Agreement (including provisions relating to voting, the Trust Account and liquidating distributions).


 


9.            The
Sponsor and each Insider represents and warrants that it, 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. Each Insider’s biographical information furnished to the Company (including any such information included in
the Prospectus) is true and accurate in all respects and does not omit any material information with respect to the Insider’s
background. The Sponsor and each Insider’s questionnaire furnished to the Company is true and accurate in all respects. The
Sponsor and each Insider represents and warrants that: it, 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; it, he or she has never been convicted of, or pleaded guilty to, any crime (i) involving
fraud, (ii) relating to any financial transaction or handling of funds of another person, or (iii) pertaining to any
dealings in any securities and it, he or she is not currently a defendant in any such criminal proceeding.


 


10.          Except
as disclosed in the Prospectus, neither the Sponsor nor any officer, nor any affiliate of the Sponsor or any officer, nor any
director of the Company, shall receive from the Company any finder’s fee, reimbursement, consulting fee, non-cash payments,
monies in respect of any repayment of a loan or other compensation prior to, or in connection with any services rendered in order to
effectuate, the consummation of the Company’s initial Business Combination (regardless of the type of transaction that it is),
other than the following, none of which will be made from the proceeds held in the Trust Account prior to the completion of the
initial Business Combination: repayment of a loan and advances up to an aggregate of $300,000 made to the Company by the Sponsor to
cover offering-related and organizational expenses; payment to an affiliate of the Sponsor for certain office space, secretarial and
administrative support as may be reasonably required by the Company for a total of $10,000 per month; cash compensation to an
affiliate of the Sponsor, for any financial advisory, placement agency or other similar investment banking services that such
affiliate may provide to our company, in connection with our initial Business Combination, including, but not limited to, the
Marketing Fee (as defined in the Prospectus) payable to the Representative and an affiliate of the Sponsor, upon the consummation of
our initial business combination, and reimbursement to such affiliate for any out-of-pocket expenses incurred by it in connection
with the performance of such services; reimbursement for any reasonable out-of-pocket expenses related to identifying,
investigating, negotiating and consummating an initial Business Combination, and repayment of non-interest bearing loans which may
be made by the Sponsor or an affiliate of the Sponsor or certain of the Company’s officers and directors at their express
option, but not obligation, to finance transaction costs in connection with an intended initial Business Combination, provided,
that, if the Company does not consummate an initial Business Combination, a portion of the working capital held outside the Trust
Account may be used by the Company to repay such loaned amounts so long as no proceeds from the Trust Account are used for such
repayment.  The Company agrees that the Sponsor has the right to loan the Company the first $1,500,000 that the Company decides to borrow by prior
to the Business Combination for working capital needs on substantially the same terms as the existing promissory note between them except
that any amounts drawn thereunder would only be due upon the closing of our initial business combination. In addition the it is agreed
that the Sponsor may convert up to $1,500,000 borrowed into warrants that have the same terms as the Private Placement Warrants at $1.50
per warrant. Such
warrants would be identical to the Private Placement Warrants (as defined below), including as to exercise price, exercisability and
exercise period.


 






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11.          The
Sponsor and each Insider has full right and power, without violating any agreement to which it is bound (including, without limitation,
any non-competition or non-solicitation agreement with any employer or former employer), to enter into this Letter Agreement and,
as applicable, to serve as an officer and/or director on the board of directors of the Company and hereby consents to being named
in the Prospectus as an officer and/or director of the Company.


 


12.          As
used herein, (i) “Business Combination” shall mean a merger, capital stock exchange, asset acquisition,
stock purchase, reorganization or similar business combination, involving the Company and one or more businesses; (ii) “Common
Stock” shall mean the Class A common stock and Class B common stock, par value $0.0001 per share (“Class B
Common Stock”); (iii) “Founder Shares” shall mean the 17,250,000 shares of Class B
common stock issued and outstanding (up to 2,250,00 shares of which are subject to complete or partial forfeiture if the over-allotment
option is not exercised by the Underwriters); (iv) “Initial Stockholders” shall mean the Sponsor
and any Insider that holds Founder Shares; (v) “Private Placement Warrants” shall mean the 14,000,000
Warrants that the Sponsor has agreed to purchase for an aggregate purchase price of $7,000,000 (or 5,166,667 Warrants that the
Sponsor has agreed to purchase for an aggregate purchase price of $15,800,000 if the over-allotment option is exercised in full
by the Underwriters), or $1.50 per Warrant, in a private placement that shall occur simultaneously with the consummation of the
Public Offering; (vi) “Public Stockholders” shall mean the holders of securities issued in the Public
Offering; (vii) “Trust Account” shall mean the trust fund into which a portion of the net proceeds
of the Public Offering and the sale of the Private Placement Warrants shall be deposited; (viii) “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); and (ix) “Warrants”
shall mean the Private Placement Warrants and public warrants.


 


13.          The
Company will maintain an insurance policy or policies providing directors’ and officers’ liability insurance, and each
Director shall be covered by such policy or policies, in accordance with its or their terms, to the maximum extent of the coverage
available for any of the Company’s directors or officers.


 


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.          No
party hereto may assign either this Letter Agreement or any of its rights, interests, or obligations hereunder without the prior
written consent of the other parties. 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 shall be binding
on the Sponsor and each Insider and their respective successors, heirs and assigns and permitted transferees.


 






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16.          Nothing
in this Letter Agreement shall be construed to confer upon, or give to, any person or corporation other than the parties hereto
any right, remedy or claim under or by reason of this Letter Agreement or of any covenant, condition, stipulation, promise or agreement
hereof. All covenants, conditions, stipulations, promises and agreements contained in this Letter Agreement shall be for the sole
and exclusive benefit of the parties hereto and their successors, heirs, personal representatives and assigns and permitted transferees.


 


17.          This
Letter Agreement may be executed in any number of original or facsimile counterparts and each of such counterparts shall for all
purposes be deemed to be an original, and all such counterparts shall together constitute but one and the same instrument.


 


18.          This
Letter Agreement shall be deemed severable, and the invalidity or unenforceability of any term or provision hereof shall not affect
the validity or enforceability of this Letter Agreement or of any other term or provision hereof. Furthermore, in lieu of any such
invalid or unenforceable term or provision, the parties hereto intend that there shall be added as a part of this Letter Agreement
a provision as similar in terms to such invalid or unenforceable provision as may be possible and be valid and enforceable.


 


19.          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
parties hereto (i) all agree that any action, proceeding, claim or dispute arising out of, or relating in any way to, this
Letter Agreement shall be brought and enforced in the courts of New York City, in the State of New York, and irrevocably submit
to such jurisdiction and venue, which jurisdiction and venue shall be exclusive and (ii) waive any objection to such exclusive
jurisdiction and venue or that such courts represent an inconvenient forum.


 


20.          Any
notice, consent or request to be given in connection with any of the terms or provisions of this Letter Agreement shall be in writing
and shall be sent by express mail or similar private courier service, by certified mail (return receipt requested), by hand delivery
or facsimile transmission.


 


21.          This
Letter Agreement shall terminate on the earlier of (i) the expiration of the Lock-up Periods or (ii) the liquidation of
the Company; provided, however, that this Letter Agreement shall earlier terminate in the event that the Public Offering is not
consummated by September 30, 2021; provided further that paragraph 4 of this Letter Agreement shall survive such liquidation.


 


[Signature Page Follows]


 









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	 	Sincerely,
	 	 	 	 
	 	ATLAS CREST INVESTMENT III-A LLC
	 	 	 	 
	 	By:	 	 
	 	 	Name: 	Kenneth Moelis
	 	 	Title: 	Managing Member
	 	 	 	 
	 	By:	 	 
	 	 	Name: 	Kenneth Moelis
	 	 	 	 
	 	By:	 	 
	 	 	Name: 	Michael Spellacy
	 	 	 	 
	 	By:	 	 
	 	 	Name:	Christopher Callesano
	 	 	 	 
	 	By:	 	 
	 	 	Name: 	Todd Lemkin
	 	 	 	 
	 	By:	 	 
		 	Name:	Emanuel Pearlman



 





	 	ATLAS CREST INVESTMENT III-B LLC
	 	 	 	 
	 	By:	 	 
	 	 	Name: 	Kenneth Moelis
	 	 	Title: 	Managing Member
	 	 	 	 
	 	By:	 	 
	 	 	Name: 	Kenneth Moelis
	 	 	 	 
	 	By:	 	 
	 	 	Name: 	Michael Spellacy
	 	 	 	 
	 	By:	 	 
	 	 	Name:	Christopher Callesano
	 	 	 	 
	 	By:	 	 
	 	 	Name: 	Todd Lemkin
	 	 	 	 
	 	By:	 	 
		 	Name:	Emanuel Pearlman


 


For purposes of Section 9 only:


 


MOELIS & COMPANY LLC


 


	By:	 	 
		Name: Kenneth Moelis

                                                  Title:   Chairman and CEO
	 



 


Acknowledged and Agreed:


 


ATLAS CREST INVESTMENT CORP. III


 


	By:	 	 
		Name: Michel Spellacy

                                                  Title:   Chief Executive Officer
	 



 


[Signature Page to Letter Agreement]