Document:

Exhibit 10.5

 

RMG ACQUISITION CORP. III

50 West Street, Suite
40C

New York, New York 10006

 

	RMG Sponsor III, LLC	December 30, 2020

50 West Street, Suite
40C

New York, New York 10006

 

RE:         Securities
Subscription Agreement

 

Ladies and Gentlemen:

 

RMG Acquisition Corp. III, a Cayman Islands
exempted company (the “Company”), is pleased to accept the offer RMG Sponsor III, LLC, a Delaware limited liability
company (the “Subscriber” or “you”), has made to subscribe for 10,062,500 of the Company’s
Class B ordinary shares (the “Shares”), US$0.0001 par value per share (the “Class B Shares”),
up to 1,312,500 of which are subject to forfeiture by you if the underwriters of the Company’s initial public offering of
its securities (“IPO”), if any, do not fully exercise their over-allotment option (the “Over-allotment
Option”). For the purposes of this agreement (this “Agreement”), references to “Ordinary
Shares” are to, collectively, the Class B Shares and the Company’s Class A ordinary shares, US$0.0001 par value
per share (the “Class A Shares”). Upon certain terms and conditions, the Class B Shares will automatically convert
into Class A Shares on a one-for-one basis, subject to adjustment. Unless the context otherwise requires, as used herein “Shares”
shall be deemed to include any Class A Shares issued upon conversion of the Class B Shares comprising the Shares. The terms on
which the Company is willing to issue the Shares to the Subscriber, and the Company and the Subscriber’s agreements regarding
such Shares, are as follows:

 

1.            Subscription of Shares.

 

For the sum of US$25,000, which the Company
acknowledges receiving in cash, the Company hereby issues the Shares to the Subscriber, and the Subscriber hereby subscribes for
the Shares from the Company, subject to forfeiture, on the terms and subject to the conditions set forth in this Agreement. Concurrently
with the Subscriber’s execution of this Agreement, the Company shall register the Shares in the name of the Subscriber on
the register of members of the Company and, at its option, deliver to the Subscriber a certificate registered in the Subscriber’s
name representing the Shares (the “Original Certificate”), or effect such delivery in book-entry form. All references
in this Agreement to Shares being forfeited shall take effect as surrenders for no consideration of such shares as a matter of
Cayman Islands law.

 

    	 	 	 

     

    

 

2.            Representations,
Warranties and Agreements.

 

2.1          Subscriber’s Representations, Warranties and Agreements. To induce the Company to issue the Shares to the Subscriber,
the Subscriber hereby represents and warrants to the Company and agrees with the Company as follows:

 

2.1.1      No Government Recommendation or Approval. The Subscriber understands that no federal or state agency has passed upon
or made any recommendation or endorsement of the offering of the Shares.

 

2.1.2      No Conflicts. The execution, delivery and performance of this Agreement and the consummation by the Subscriber of
the transactions contemplated hereby do not violate, conflict with or constitute a default under (i) the formation and governing
documents of the Subscriber, (ii) any agreement, indenture or instrument to which the Subscriber is a party or (iii) any law,
statute, rule or regulation to which the Subscriber is subject, or any agreement, order, judgment or decree to which the Subscriber
is subject.

 

2.1.3      Incorporation and Authority. The Subscriber is a Delaware limited liability company, validly existing and in good
standing under the laws of the State of Delaware and possesses all requisite power and authority necessary to carry out the transactions
contemplated by this Agreement. Upon execution and delivery by you, this Agreement is a legal, valid and binding agreement of the
Subscriber, enforceable against the Subscriber in accordance with its terms, except as such enforceability may be limited by applicable
bankruptcy, insolvency, fraudulent conveyance or similar laws affecting the enforcement of creditors’ rights generally and
subject to general principles of equity (regardless of whether enforcement is sought in a proceeding at law or in equity).

 

2.1.4      Experience, Financial Capability and Suitability. The Subscriber is: (i) sophisticated in financial matters
and is able to evaluate the risks and benefits of the investment in the Shares and (ii) able to bear the economic risk of
its investment in the Shares for an indefinite period of time because the Shares have not been registered under the Securities
Act (as defined below) and therefore cannot be sold unless such transaction is registered under the Securities Act or an exemption
from such registration is available. The Subscriber is capable of evaluating the merits and risks of its investment in the Company
and has the capacity to protect its own interests. The Subscriber must bear the economic risk of this investment until the Shares
are sold pursuant to: (i) an effective registration statement under the Securities Act or (ii) an exemption from registration
available with respect to such sale. The Subscriber is able to bear the economic risks of an investment in the Shares and to afford
a complete loss of the Subscriber’s investment in the Shares.

 

2.1.5      Access
to Information; Independent Investigation. Prior to the execution of this Agreement, the Subscriber has had the
opportunity to ask questions of and receive answers from representatives of the Company concerning an investment in the
Company, as well as the finances, operations, business and prospects of the Company, and the opportunity to obtain additional
information to verify the accuracy of all information so obtained. In determining whether to make this investment, the
Subscriber has relied solely on the Subscriber’s own knowledge and understanding of the Company and its business based
upon the Subscriber’s own due diligence investigation and the information furnished pursuant to this paragraph. The
Subscriber understands that no person has been authorized to give any information or to make any representations which were
not furnished pursuant to this Section 2 and the Subscriber has not relied on any other representations or information in
making its investment decision, whether written or oral, relating to the Company, its operations and/or its prospects.

 

    	 	2	 

     

    

 

2.1.6       Private Placement. The Subscriber represents that it is an “accredited investor”
as such term is defined in Rule 501(a) of Regulation D under the Securities Act of 1933, as amended (the “Securities Act”),
and acknowledges the sale contemplated hereby is being made in reliance on a private placement exemption applicable to “accredited
investors” within the meaning of Section 501(a) of Regulation D under the Securities Act or similar exemptions under state
law.

 

2.1.7       Investment Purposes. The Subscriber is purchasing the Shares solely for investment purposes, for the Subscriber’s
own account and not for the account or benefit of any other person, and not with a view towards the distribution or dissemination
thereof. The Subscriber did not decide to enter into this Agreement as a result of any general solicitation or general advertising
within the meaning of Rule 502 under the Securities Act.

 

2.1.8       Restrictions on Transfer; Shell Company. The Subscriber understands the Shares are being offered in a transaction
not involving a public offering within the meaning of the Securities Act. The Subscriber understands the Shares will be “restricted
securities” within the meaning of Rule 144(a)(3) under the Securities Act and the Subscriber understands that any certificates
or book-entries representing the Shares will contain a legend in respect of such restrictions. If in the future the Subscriber
decides to offer, resell, pledge or otherwise transfer the Shares, such Shares may be offered, resold, pledged or otherwise transferred
only pursuant to: (i) registration under the Securities Act, or (ii) an available exemption from registration. The Subscriber agrees
that if any transfer of its Shares or any interest therein is proposed to be made, as a condition precedent to any such transfer,
the Subscriber may, at the Company’s option, be required to deliver to the Company an opinion of counsel satisfactory to
the Company. Absent registration or an exemption, the Subscriber agrees not to resell the Shares. The Subscriber further acknowledges
that because the Company is a shell company, Rule 144 may not be available to the Subscriber for the resale of the Shares until
at least one year following consummation of the initial business combination of the Company (which may not occur), despite technical
compliance with the requirements of Rule 144 and the release or waiver of any contractual transfer restrictions.

 

2.1.9       No Governmental Consents. No governmental, administrative or other third party consents or approvals are required,
necessary or appropriate on the part of the Subscriber in connection with the transactions contemplated by this Agreement.

 

2.2          Company’s Representations, Warranties and Agreements. To induce the Subscriber to subscribe for the Shares,
the Company hereby represents and warrants to the Subscriber and agrees with the Subscriber as follows:

 

2.2.1       Incorporation
and Corporate Power. The Company is a Cayman Islands exempted company and is qualified to do business in every
jurisdiction in which the failure to so qualify would reasonably be expected to have a material adverse effect on the
financial condition, operating results or assets of the Company. The Company possesses all requisite corporate power and
authority necessary to carry out the transactions contemplated by this Agreement.

 

    	 	3	 

     

    

 

2.2.2       No
Conflicts. The execution, delivery and performance of this Agreement and the consummation by the Company of the transactions
contemplated hereby do not violate, conflict with or constitute a default under (i) the Company’s Memorandum and Articles
of Association, as amended to the date hereof (the "Memorandum and Articles"), (ii) any agreement, indenture
or instrument to which the Company is a party or (iii) any law, statute, rule or regulation to which the Company is subject,
or any agreement, order, judgment or decree to which the Company is subject.

 

2.2.3       Title to Shares. Upon issuance in accordance with, and payment pursuant to, the terms hereof and the Memorandum and
Articles, and registration in the register of members of the Company, the Shares will be duly and validly issued as fully paid
and nonassessable. Upon issuance in accordance with, and payment pursuant to, the terms hereof and the Memorandum and Articles,
the Subscriber will have or receive good title to the Shares, free and clear of all liens, claims and encumbrances of any kind,
other than (a) transfer restrictions hereunder and under the other agreements to which the Shares may be subject, (b) transfer
restrictions under federal and state securities laws, and (c) liens, claims or encumbrances imposed due to the actions of the Subscriber.

 

2.2.4       No Adverse Actions. There are no actions, suits, investigations or proceedings pending, threatened against or affecting
the Company which: (i) seek to restrain, enjoin, prevent the consummation of or otherwise affect the transactions contemplated
by this Agreement or (ii) question the validity or legality of any transactions or seeks to recover damages or to obtain other
relief in connection with any transactions.

 

2.2.5       Authorization. The Class A Shares issuable upon conversion of the Class B Shares have been duly authorized
and reserved for issuance upon such conversion.

 

3.             Forfeiture of Shares.

 

3.1          Partial or No Exercise of the Over-allotment Option. In the event the Over-allotment Option granted to the underwriters
of the IPO is not exercised in full, the Subscriber acknowledges and agrees that it (or, if applicable, it and any transferees
of Shares) shall forfeit at the time such Over-allotment Option expires (or earlier if the underwriters of the IPO waive their
ability to exercise such Over-allotment Option) any and all rights to such number of Shares (up to an aggregate of 1,312,500 Shares
and pro rata based upon the percentage of the Over-allotment Option exercised) such that immediately following such forfeiture,
the number of Shares will equal 20% of the issued and outstanding Ordinary Shares immediately following the IPO (in each case,
not including Class A Shares issuable upon exercise of any warrants). Such forfeiture shall take effect as a surrender for
no consideration as a matter of Cayman Islands law, and shall occur upon the expiration of the Over-allotment Option.

 

    	 	4	 

     

    

 

3.2          Termination
of Rights as Shareholder. If any of the Shares are forfeited in accordance with this Section 3, then after such time the Subscriber
(or successor in interest), shall no longer have any rights as a holder of such forfeited Shares, and the Company shall take such
action as is appropriate to cancel such forfeited Shares.

 

3.3          Share Certificates. In the event an adjustment to the Original Certificate, if any, is required pursuant to this
Section 3, then the Subscriber shall return such Original Certificate to the Company or its designated agent as soon as practicable
upon its receipt of notice from the Company advising the Subscriber of such adjustment, following which a new certificate (the
 “New Certificate”), if any, shall be issued in such amount representing the adjusted number of Shares held by
the Subscriber. The New Certificate, if any, shall be returned to the Subscriber as soon as practicable. Any such adjustment for
any uncertificated securities held by the Subscriber shall be made in book-entry form or the register of members of the Company
(as applicable).

 

4.            Waiver of Liquidation Distributions; Redemption Rights. In connection with the Shares purchased pursuant to this
Agreement, the Subscriber hereby waives any and all right, title, interest or claim of any kind in or to any distributions by the
Company from the trust account which will be established for the benefit of the Company’s public shareholders and into which
substantially all of the proceeds of the IPO will be deposited (the “Trust Account”), in the event of a liquidation
of the Company upon the Company’s failure to timely complete an initial business combination. For purposes of clarity, in
the event the Subscriber purchases securities in the IPO or in the aftermarket, any Class A Shares so purchased shall be eligible
to receive any liquidating distributions by the Company. However, in no event will the Subscriber have the right to redeem any
Ordinary Shares held by it into funds held in the Trust Account upon the successful completion of an initial business combination.

 

5.            Restrictions on Transfer.

 

5.1          Securities Law Restrictions. In addition to any restrictions to be contained in that certain letter agreement (commonly
known as an “Insider Letter”) dated on or prior to the closing of the IPO by and among the Subscriber, the Company
and the other parties thereto, the Subscriber agrees not to sell, transfer, pledge, hypothecate or otherwise dispose of all or
any part of the Shares unless, prior thereto (a) a registration statement on the appropriate form under the Securities Act and
applicable state securities laws with respect to the Shares proposed to be transferred shall then be effective or (b) the Company
has received, if requested by the Company, an opinion from counsel reasonably satisfactory to the Company, that such registration
is not required because such transaction is exempt from registration under the Securities Act and the rules promulgated by the
Securities and Exchange Commission thereunder and with all applicable state securities laws.

 

5.2          Lock-up.
The Subscriber acknowledges that the Shares will be subject to lock-up provisions (the “Lock-up”)
contained in the Insider Letter. Pursuant to the Insider Letter, the Subscriber will agree (subject to certain customary
exceptions) not to sell, transfer, pledge, hypothecate or otherwise dispose of all or any part of the Shares until the
earliest to occur of: (a) one year after the completion of the Company’s initial business combination; and (b)
subsequent to its initial business combination (x) if the last reported sale price of our Class A Shares equals or exceeds
$12.00 per share (as adjusted for share sub-divisions, share dividends, rights issuances, consolidations, 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,
amalgamation, share exchange, reorganization or other similar transaction that results in all of the Company’s public
shareholders having the right to exchange their Shares for cash, securities or other property.

 

    	 	5	 

     

    

 

5.3          Restrictive Legends. Any certificates representing the Shares shall have endorsed thereon legends substantially as
follows:

 

“THE SECURITIES REPRESENTED HEREBY
HAVE NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED, OR ANY STATE SECURITIES LAWS AND NEITHER THE
SECURITIES NOR ANY INTEREST THEREIN MAY BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED OF EXCEPT PURSUANT TO AN EFFECTIVE
REGISTRATION STATEMENT UNDER SUCH ACT OR SUCH LAWS OR AN EXEMPTION FROM REGISTRATION UNDER SUCH ACT AND SUCH LAWS WHICH, IN THE
OPINION OF COUNSEL (IF THE COMPANY SO REQUESTS), IS AVAILABLE.” 

 

“THE SECURITIES REPRESENTED BY THIS
CERTIFICATE ARE SUBJECT TO A LOCKUP AND MAY NOT BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED DURING THE TERM OF
THE LOCKUP.” 

 

5.4          Additional Shares or Substituted Securities. In the event of the declaration of a share dividend, the declaration
of an extraordinary dividend payable in a form other than Ordinary Shares, a spin-off, a share split, an adjustment in conversion
ratio, a recapitalization or a similar transaction affecting the Company’s outstanding Ordinary Shares without receipt of
consideration, any new, substituted or additional securities or other property which are by reason of such transaction distributed
with respect to any Shares subject to this Section 5 or into which such Shares thereby become convertible shall immediately be
subject to this Section 5 and Section 3. Appropriate adjustments to reflect the distribution of such securities or property shall
be made to the number and/or class of Ordinary Shares subject to this Section 5 and Section 3.

 

5.5          Registration Rights. The Subscriber acknowledges that the Shares are being purchased pursuant to an exemption from
the registration requirements of the Securities Act and will become freely tradable only after certain conditions are met or they
are registered pursuant to a registration rights agreement to be entered into with the Company prior to the closing of the IPO
(the “Registration Rights Agreement”).

 

6.            Other Agreements.

 

6.1          Further Assurances. The Subscriber agrees to execute such further instruments and to take such further action as
may reasonably be necessary to carry out the intent of this Agreement.

 

    	 	6	 

     

    

 

6.2          Notices.
All notices, statements or other documents which are required or contemplated by this Agreement shall be in writing and delivered
(i) personally or sent by first class registered or certified mail, overnight courier service or facsimile or electronic
transmission to the address designated in writing, (ii) by facsimile to the number most recently provided to such party or
such other address or fax number as may be designated in writing by such party, or (iii) by electronic mail, to the electronic
mail address most recently provided to such party or such other electronic mail address as may be designated in writing by such
party. Any notice or other communication so transmitted shall be deemed to have been given on the day of delivery, if delivered
personally, on the business day following receipt of written confirmation, if sent by facsimile or electronic transmission, one
(1) business day after delivery to an overnight courier service or five (5) days after mailing if sent by mail.

 

6.3          Entire Agreement. This Agreement, together with that certain Insider Letter to be entered into between the Subscriber
and the Company and the Registration Rights Agreement, each substantially in the form to be filed as an exhibit to the Registration
Statement, embodies the entire agreement and understanding between the Subscriber and the Company with respect to the subject matter
hereof and supersedes all prior oral or written agreements and understandings relating to the subject matter hereof. No statement,
representation, warranty, covenant or agreement of any kind not expressly set forth in this Agreement shall affect, or be used
to interpret, change or restrict, the express terms and provisions of this Agreement.

 

6.4          Modifications and Amendments. The terms and provisions of this Agreement may be modified or amended only by written
agreement executed by all parties hereto.

 

6.5          Waivers and Consents. The terms and provisions of this Agreement may be waived, or consent for the departure therefrom
granted, only by written document executed by the party entitled to the benefits of such terms or provisions. No such waiver or
consent shall be deemed to be or shall constitute a waiver or consent with respect to any other terms or provisions of this Agreement,
whether or not similar. Each such waiver or consent shall be effective only in the specific instance and for the purpose for which
it was given, and shall not constitute a continuing waiver or consent.

 

6.6          Assignment. The rights and obligations under this Agreement may not be assigned by either party hereto without the
prior written consent of the other party.

 

6.7          Benefit. All statements, representations, warranties, covenants and agreements in this Agreement shall be binding
on the parties hereto and shall inure to the benefit of the respective successors and permitted assigns of each party hereto. Nothing
in this Agreement shall be construed to create any rights or obligations except among the parties hereto, and no person or entity
shall be regarded as a third-party beneficiary of this Agreement.

 

6.8          Governing Law. This Agreement and the rights and obligations of the parties hereunder shall be construed in accordance
with and governed by the laws of New York applicable to contracts wholly performed within the borders of such state.

 

    	 	7	 

     

    

 

6.9          Severability.
In the event that any court of competent jurisdiction shall determine that any provision, or any portion thereof, contained
in this Agreement shall be unreasonable or unenforceable in any respect, then such provision shall be deemed limited to the
extent that such court deems it reasonable and enforceable, and as so limited shall remain in full force and effect. In the
event that such court shall deem any such provision, or portion thereof, wholly unenforceable, the remaining provisions of
this Agreement shall nevertheless remain in full force and effect.

 

6.10        No
Waiver of Rights, Powers and Remedies. No failure or delay by a party hereto in exercising any right, power or remedy under
this Agreement, and no course of dealing between the parties hereto, shall operate as a waiver of any such right, power or remedy
of such party. No single or partial exercise of any right, power or remedy under this Agreement by a party hereto, nor any abandonment
or discontinuance of steps to enforce any such right, power or remedy, shall preclude such party from any other or further exercise
thereof or the exercise of any other right, power or remedy hereunder. The election of any remedy by a party hereto shall not
constitute a waiver of the right of such party to pursue other available remedies. No notice to or demand on a party not expressly
required under this Agreement shall entitle the party receiving such notice or demand to any other or further notice or demand
in similar or other circumstances or constitute a waiver of the rights of the party giving such notice or demand to any other
or further action in any circumstances without such notice or demand.

 

6.11        Survival of Representations and Warranties. All representations and warranties made by the parties hereto in this
Agreement or in any other agreement, certificate or instrument provided for or contemplated hereby, shall survive the execution
and delivery hereof and any investigations made by or on behalf of the parties.

 

6.12        No Broker or Finder. Each of the parties hereto represents and warrants to the other that no broker, finder or other
financial consultant has acted on its behalf in connection with this Agreement or the transactions contemplated hereby in such
a way as to create any liability on the other. Each of the parties hereto agrees to indemnify and save the other harmless from
any claim or demand for commission or other compensation by any broker, finder, financial consultant or similar agent claiming
to have been employed by or on behalf of such party and to bear the cost of legal expenses incurred in defending against any such
claim.

 

6.13        Headings and Captions. The headings and captions of the various subdivisions of this Agreement are for convenience
of reference only and shall in no way modify or affect the meaning or construction of any of the terms or provisions hereof.

 

6.14        Counterparts. This Agreement may be executed in one or more counterparts, all of which when taken together shall
be considered one and the same agreement and shall become effective when counterparts have been signed by each party and delivered
to the other party, it being understood that both parties need not sign the same counterpart. In the event that any signature is
delivered by facsimile transmission or any other form of electronic delivery, such signature shall create a valid and binding obligation
of the party executing (or on whose behalf such signature is executed) with the same force and effect as if such signature page
were an original thereof.

 

    	 	8	 

     

    

 

6.15        Construction.
The parties hereto have participated jointly in the negotiation and drafting of this Agreement. If an ambiguity or question
of intent or interpretation arises, this Agreement will be construed as if drafted jointly by the parties hereto and no
presumption or burden of proof will arise favoring or disfavoring any party hereto because of the authorship of any provision
of this Agreement. The words “include,” “includes,” and “including” will be deemed to be
followed by “without limitation.” Pronouns in masculine, feminine, and neuter genders will be construed to
include any other gender, and words in the singular form will be construed to include the plural and vice versa, unless the
context otherwise requires. The words “this Agreement,” “herein,” “hereof,”
 “hereby,” “hereunder,” and words of similar import refer to this Agreement as a whole and not to any
particular subdivision unless expressly so limited. The parties hereto intend that each representation, warranty, and
covenant contained herein will have independent significance. If any party hereto has breached any representation, warranty,
or covenant contained herein in any respect, the fact that there exists another representation, warranty or covenant relating
to the same subject matter (regardless of the relative levels of specificity) which such party hereto has not breached will
not detract from or mitigate the fact that such party hereto is in breach of the first representation, warranty, or
covenant.

 

6.16        Mutual Drafting. This Agreement is the joint product of the Subscriber and the Company and each provision hereof
has been subject to the mutual consultation, negotiation and agreement of such parties and shall not be construed for or against
any party hereto.

 

6.17        Surrender of Class A Ordinary Share. The Subscriber hereby surrenders to the Company for cancellation and for nil
consideration one Class A ordinary share of a par value US$0.0001 standing in its name in the register of members of the Company.

 

7.            Voting and Tender of Shares. The Subscriber agrees to vote the Shares in favor of an initial business combination
that the Company negotiates and submits for approval to the Company’s shareholders and shall not seek redemption with respect
to any of the Shares in connection with an initial business combination or any amendment to the Company’s Memorandum and
Articles of Association, as amended, prior to an initial business combination. Additionally, the Subscriber agrees not to tender
any Shares in connection with a tender offer presented to the Company’s shareholders in connection with an initial business
combination negotiated by the Company.

 

8.            Indemnification. Each party shall indemnify the other against any loss, cost or damages (including reasonable attorney’s
fees and expenses) incurred as a result of such party’s breach of any representation, warranty, covenant or agreement in
this Agreement.

 

[Signature page follows]

 

    	 	9	 

     

    

 

If the foregoing accurately sets forth our
understanding and agreement, please sign the enclosed copy of this Agreement and return it to us.

 

	 	Very truly yours,
	 	 
	 	RMG ACQUISITION CORP. III
	 	 	 	 
	 	By:	/s/ Philip Kassin
	 	 	Name:	Philip Kassin
	 	 	Title: 	President

 

	RMG SPONSOR III, LLC	 
	 	 	 	 
	By:	/s/ Philip Kassin	 
	 	Name:	 Philip Kassin	 
	 	Title:	 President	 

 

[Signature Page
to Securities Subscription Agreement]Exhibit
4.1

 

	NUMBER	UNITS
	U-	 

 

SEE
REVERSE FOR CERTAIN DEFINITIONS

 

CUSIP
[—]

 

BIG
CYPRESS ACQUISITION CORP.

UNITS
CONSISTING OF ONE SHARE OF COMMON STOCK AND ONE HALF OF ONE WARRANT,

EACH
WHOLE WARRANT ENTITLING THE HOLDER TO PURCHASE ONE SHARE OF COMMON STOCK

 

THIS
CERTIFIES THAT is the owner of Units.

 

Each
Unit (“Unit”) consists of one (1) share of common stock, par value $0.0001 per share (“Common
Stock”), of Big Cypress Acquisition Corp., a Delaware corporation (the “Company”), and
one half of one redeemable warrant (the “Warrant”). Each whole Warrant entitles the holder to purchase
one (1) share (subject to adjustment) of Common Stock for $11.50 per share (subject to adjustment). Each Warrant will become exercisable
on the later of (i) thirty (30) days after the Company’s completion of a merger, capital stock exchange, asset acquisition,
stock purchase, reorganization or other similar business combination with one or more businesses (each a “Business
Combination”), or (ii) twelve (12) months from the closing of the Company’s initial public offering, and will
expire unless exercised before 5:00 p.m., New York City Time, on the date that is five (5) years after the date on which the Company
completes its initial Business Combination, or earlier upon redemption or liquidation (the “Expiration Date”).
The Common Stock and Warrants comprising the Units represented by this certificate are not transferable separately prior to ,2020,
unless Ladenburg Thalmann & Co. Inc. elects to allow separate trading earlier, subject to the Company’s filing of a
Current Report on Form 8-K with the Securities and Exchange Commission containing an audited balance sheet reflecting the Company’s
receipt of the gross proceeds of the Company’s initial public offering and issuing a press release announcing when separate
trading will begin. The terms of the Warrants are governed by a Warrant Agreement, dated as of         ,2020, between the Company
and Continental Stock Transfer & Trust Company, as Warrant Agent, and are subject to the terms and provisions contained therein,
all of which terms and provisions the holder of this certificate consents to by acceptance hereof. Copies of the Warrant Agreement
are on file at the office of the Warrant Agent at 1 State Street, 30th Floor, New York, New York 10004, and are available
to any Warrant holder on written request and without cost.

 

This
certificate is not valid unless countersigned by the Transfer Agent and Registrar of the Company.

 

This
certificate shall be governed by and construed in accordance with the internal laws of the State of New York.

 

Witness
the facsimile signature of a duly authorized signatory of the Company.

 

	 	 	 
	Authorized
    Signatory	 	Transfer
    Agent

 

    	 

    	 

    

 

Big
Cypress Acquisition Corp.

 

The
Company will furnish without charge to each unitholder who so requests, a statement of the powers, designations, preferences and
relative, participating, optional or other special rights of each class of stock or series thereof of the Company and the qualifications,
limitations, or restrictions of such preferences and/or rights.

 

The
following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were
written out in full according to applicable laws or regulations:

 

	TEN
    COM — as tenants in common	 	UNIF
    GIFT MIN ACT	 	—	 	 	 	Custodian	 	 
	TEN
    ENT — as tenants by the entireties	 	 	 	 	 	(Cust)
    	 	 	 	(Minor)
    
	JT
    TEN — as joint tenants with right of survivorship and not as tenants in common	 	 	 	under
    Uniform Gifts to Minors Act
	 	 	 	 	 	 	(State)

 

Additional
abbreviations may also be used though not in the above list.

 

For
value received,
                    hereby
sell, assign and transfer unto 

 

(PLEASE
INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE)

 

(PLEASE
PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)

 

Units
represented by the within Certificate, and do hereby irrevocably constitute and appoint

 

Attorney
to transfer the said Units on the books of the within named Company with full power of substitution in the premises.

 

Dated

 

	 	 
	 	Notice:
    The signature to this assignment must correspond with the name as written upon the face of the certificate in every particular,
    without alteration or enlargement or any change whatever.

 

	Signature(s)
    Guaranteed:	 
	THE
    SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND
    CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15 (OR ANY
    SUCCESSOR RULE).	 

 

In
each case, as more fully described in the Company’s final prospectus dated , 2020, the holder(s) of this certificate shall
be entitled to receive a pro-rata portion of certain funds held in the trust account established in connection with its initial
public offering only in the event that (i) the Company redeems the shares of common stock sold in the Company’s initial
public offering and liquidates because it does not consummate an initial business combination within the time period set forth
in the Company’s amended and restated certificate of incorporation, as the same may be amended from time to time (such date
being referred to herein as the “Last Date”), (ii) the Company redeems the shares of common stock sold in its initial
public offering in connection with a stockholder vote to amend the Company’s amended and restated certificate of incorporation
to modify the substance or timing of the Company’s obligation to redeem 100% of the common stock if it does not consummate
an initial business combination by the Last Date, or (iii) if the holder(s) seek(s) to redeem for cash his, her or its respective
shares of common stock in connection with a tender offer (or proxy solicitation, solely in the event the Company seeks stockholder
approval of the proposed initial business combination) setting forth the details of a proposed initial business combination. In
no other circumstances shall the holder(s) have any right or interest of any kind in or to the trust account.

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