Document:

EX-10.5

 Exhibit 10.5 

FORM OF REGISTRATION RIGHTS AGREEMENT 

THIS REGISTRATION RIGHTS AGREEMENT, dated as of [    ], 2022 (as amended, supplemented or otherwise modified from time to
time, this “Agreement”), is made and entered into by and among C5 Acquisition Corporation, a Delaware corporation (the “Company”), C5 Sponsor LLC, a Delaware limited liability company (the
“Sponsor”), and the undersigned parties listed as Holders on the signature pages hereto (each such party, together with the Sponsor and any person or entity who hereafter becomes a party to this Agreement pursuant to
Section 5.2, a “Holder” and, collectively, the “Holders”). 

RECITALS 
 WHEREAS,
as of the date of the consummation of the Company’s initial public offering, the Sponsor and the Holders collectively will own an aggregate of 7,187,500 shares after giving effect to stock splits occurring on or prior to the date hereof, (the
“Founder Shares”) of Class B common stock, par value $0.0001 per share, of the Company (the “Class B Common Stock”), up to 937,500 of which are subject to
forfeiture by the Sponsor to the Company for no consideration depending on the extent to which the underwriters of the Company’s initial public offering exercise their option to purchase additional units; 

WHEREAS, the Founder Shares will automatically convert into Class A common stock, par value $0.0001 per share, of the Company (the
“Common Stock”) at the time of the Company’s initial business combination on a one-for-one basis, subject to adjustment, on the terms and
conditions set forth in the Company’s amended and restated certificate of incorporation, as further amended, supplemented or otherwise modified from time to time; 

WHEREAS, on [     ], 2022, the Company and the Sponsor entered into that certain private placement warrants
purchase agreement (the “Private Placement Warrants Purchase Agreement”), pursuant to which the Sponsor agreed to purchase 13,535,500 private placement warrants (or up to 15,035,500 private placement warrants, depending on
the extent to which the underwriters exercise their option to purchase additional units) (the “Private Placement Warrants”) in a private placement transaction occurring simultaneously with the closing of the Company’s
initial public offering; 
 WHEREAS, in order to finance the Company’s transaction costs in connection with its search for and
consummation of an initial Business Combination (as defined below) the Sponsor, or affiliates of the Sponsor, or certain of the Company’s officers and directors may loan to the Company funds as the Company may require, of which up to $2,000,000
of such loans may be convertible into warrants (“Working Capital Warrants”) at a price of $1.00 per warrant; and 

WHEREAS, the Company and the Holders desire to enter into this Agreement, pursuant to which the Company shall grant the Holders certain
registration rights with respect to certain securities of the Company, as set forth in this Agreement. 

 NOW, THEREFORE, in consideration of the representations, covenants and agreements
contained herein, and certain other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Company, intending to be legally bound in favor of each Holder, and each Holder, intending to be legally bound,
severally and not jointly, in favor of the Company, hereby agree as follows: 
 ARTICLE I 

DEFINITIONS 
 1.1.
Definitions. The terms defined in this Article I shall, for all purposes of this Agreement, have the respective meanings set forth below: 

“Adverse Disclosure” shall mean any public disclosure of material non-public
information, which disclosure, in the good faith judgment of the Chief Executive Officer or principal financial officer of the Company, after consultation with counsel to the Company, (i) would be required to be made in any Registration
Statement or Prospectus in order for the applicable Registration Statement or Prospectus not to contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements contained therein (in the case of any
prospectus and any preliminary prospectus, in the light of the circumstances under which they were made) not misleading, (ii) would not be required to be made at such time if the Registration Statement were not being filed, and (iii) the
Company has a bona fide business purpose for not making such information public. 
 “Agreement” shall have the
meaning given in the Preamble. 
 “Board” shall mean the board of directors of the Company. 

“Business Combination” shall mean any merger, consolidation, capital stock exchange, asset acquisition, stock
purchase, reorganization or other similar business combination with one or more businesses or entities involving the Company. 

“Business Day” shall mean any day other than a Saturday or Sunday, that is neither a legal holiday nor a day on which
banking institutions are generally authorized or required by law or regulation to close in the City of New York, New York. 

“Class B Common Stock” shall have the meaning given in the Recitals. 

“Commission” shall mean the Securities and Exchange Commission. 

“Common Stock” shall have the meaning given in the Recitals. 

“Company” shall have the meaning given in the Preamble. 

“Demand Registration” shall have the meaning given in subsection 2.1.1. 

“Demanding Holder” shall have the meaning given in subsection 2.1.1. 

“Exchange Act” shall mean the Securities Exchange Act of 1934, as amended from time to time. 

  
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 “Form S-1” shall have the
meaning given in subsection 2.1.1. 
 “Form S-3” shall have the
meaning given in subsection 2.3. 
 “Founder Shares” shall have the meaning given in the Recitals and shall
be deemed to include the shares of Common Stock issued or issuable upon conversion thereof. 
 “Founder Shares Lock-Up Period” shall mean, with respect to the Founder Shares, the period ending on the earlier of (A) one (1) year after the date of the completion of the Company’s initial Business
Combination and (B) subsequent to the date of the completion of the Company’s initial Business Combination, (i) the date on which the last reported sale price of the Common Stock equals or exceeds $12.00 per share (as adjusted for
stock splits, stock dividends, reorganizations, recapitalizations and the like) for any twenty (20) trading days within any thirty (30)-trading day period commencing at least one-hundred-fifty
(150) days after the date of the completion of the Company’s initial Business Combination or (ii) the date on which the Company completes a liquidation, merger, stock exchange, reorganization 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. 

“Holders” shall have the meaning given in the Preamble. 

“Insider Letter” shall mean that certain letter agreement, dated as of [ ], 2022, as amended, supplemented or
otherwise modified from time to time, by and among the Company, the Sponsor and each of the Company’s officers, directors and advisors. 

“Maximum Number of Securities” shall have the meaning given in subsection 2.1.4. 

“Misstatement” shall mean an untrue statement of a material fact or an omission to state a material fact required to
be stated in a Registration Statement or Prospectus or necessary to make the statements in a Registration Statement or Prospectus (in the case of a Prospectus, in the light of the circumstances under which they were made) not misleading. 

“Permitted Transferees” shall mean any person or entity to whom a Holder of Registrable Securities is permitted to
transfer such Registrable Securities prior to the expiration of the Founder Shares Lock-Up Period, the Private Placement Lock-Up Period or any other lock-up period, as the case may be, and pursuant to the Insider Letter, the Private Placement Warrants Purchase Agreement, this Agreement and any other applicable agreement between such Holder and the Company, in
each case, for so long as such agreements remain in effect, and to any transferee thereafter. 
 “Piggyback
Registration” shall have the meaning given in subsection 2.2.1. 
 “Private Placement Lock-Up Period” shall mean, with respect to the Private Placement Warrants that are held by the initial purchasers of such Private Placement Warrants or their Permitted Transferees and any shares of
Common Stock issued or issuable upon the exercise or conversion of the Private Placement Warrants that are held by the initial purchasers of such Private Placement Warrants or their Permitted Transferees, the period ending thirty (30) days
after the completion of the Company’s initial Business Combination. 

  
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 “Private Placement Warrants” shall have the meaning given in the
Recitals. 
 “Private Placement Warrants Purchase Agreement” shall have the meaning given in the Recitals. 

“Prospectus” shall mean the prospectus included in any Registration Statement, as supplemented by any and all
prospectus supplements, and as amended by any and all post-effective amendments and including all material incorporated by reference in such prospectus. 

“Prospectus Date” shall mean the date of the final prospectus filed with the Commission and relating to the
Company’s initial public offering. 
 “Registrable Security” shall mean (a) the Founder Shares and the
shares of Common Stock issued or issuable upon the conversion of any Founder Shares, (b) the Private Placement Warrants (including any shares of Common Stock issued or issuable upon the exercise of any such Private Placement Warrants), (c) any
outstanding shares of Common Stock or any other equity security (including the shares of Common Stock issued or issuable upon the exercise of any other equity security, units comprising shares of Common Stock or warrants) of the Company held by a
Holder from time to time, (d) any equity securities (including the shares of Common Stock issued or issuable upon the exercise of any such equity security) of the Company issued or issuable upon conversion of any working capital loans in an
amount of up to $2,000,000 made to the Company by a Holder (including the Working Capital Warrants and any shares of Common Stock issued or issuable upon the exercise of the Working Capital Warrants) and (e) any other equity security of the
Company issued or issuable with respect to any such share of Common Stock by way of a stock dividend or stock split or in connection with a combination of shares, recapitalization, merger, consolidation or reorganization; provided,
however, that, as to any particular Registrable Security, such securities shall cease to be Registrable Securities when (A) a Registration Statement with respect to the sale of such securities shall have become effective under the
Securities Act and such securities shall have been sold, transferred, disposed of or exchanged in accordance with such Registration Statement, (B) such securities shall have been otherwise transferred, new certificates for such securities not
bearing a legend restricting further transfer shall have been delivered by the Company and subsequent public distribution of such securities shall not require registration under the Securities Act, (C) such securities shall have ceased to be
outstanding, (D) such securities have been sold without registration pursuant to Section 4(a)(1) of the Securities Act or Rule 144 promulgated under the Securities Act (or any successor rule promulgated thereafter by the Commission)
without limitation on the amount of securities sold or the manner of sale or (E) such securities have been sold to, or through, a broker, dealer or underwriter in a public distribution or other public securities transaction. 

“Registration” shall mean a registration effected by preparing and filing a registration statement or similar document
in compliance with the requirements of the Securities Act, and the applicable rules and regulations promulgated thereunder, and such registration statement becoming effective. 

  
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 “Registration Expenses” shall mean the out-of-pocket expenses of a Registration, including the following: 

(A) all registration, filing and listing fees and expenses (including fees with respect to filings required to be made with the
Financial Industry Regulatory Authority, Inc. and any securities exchange on which the shares of Common Stock are then listed); 

(B) fees and expenses of compliance with securities or blue sky laws (including reasonable fees and disbursements of counsel to
the Underwriters in connection with blue sky qualifications of Registrable Securities); 
 (C) printing, messenger, telephone
and delivery expenses; 
 (D) reasonable fees and disbursements of counsel for the Company; 

(E) reasonable fees and disbursements of all independent registered public accountants of the Company incurred specifically in
connection with such Registration; 
 (F) reasonable fees and expenses of one (1) legal counsel selected by the majority-in-interest of the Demanding Holders initiating a Demand Registration to be registered for offer and sale in the applicable Registration; and 

(G) reasonable fees and disbursements of the Underwriters customarily paid by the issuer or sellers of securities, including
liability insurance if the Company so desires or if the Underwriters so require (excluding underwriting discounts and commissions and transfer taxes, if any, and fees and disbursements of counsel to the Underwriters (other than reasonable fees and
disbursements of counsel to the Underwriters in connection with blue sky qualifications of Registrable Securities)). 

“Registration Statement” shall mean any registration statement that covers the Registrable Securities pursuant to the
provisions of this Agreement, including the Prospectus included in such registration statement, amendments (including post-effective amendments) and supplements to such registration statement, and all exhibits to and all material incorporated by
reference in such registration statement. 
 “Requesting Holder” shall have the meaning given in subsection
2.1.1. 
 “Securities Act” shall mean the Securities Act of 1933, as amended from time to time. 

“Sponsor” shall have the meaning given in the Preamble. 

“Underwriter” shall mean a securities dealer who purchases any Registrable Securities as principal in an Underwritten
Offering and not as part of such dealer’s market-making activities. 

  
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 “Underwritten Registration” or “Underwritten
Offering” shall mean a Registration in which securities of the Company are sold to an Underwriter in a firm commitment underwriting for distribution to the public. 

“Working Capital Warrants” shall have the meaning given in the Recitals. 

ARTICLE II 

REGISTRATIONS 
 2.1.
Demand Registration. 
 2.1.1 Request for Registration. Subject to the provisions of subsection 2.1.4 and
Section 2.4, at any time and from time to time on or after the date the Company consummates the Business Combination, the Holders of at least twenty percent (20%) in interest of the then outstanding number of Registrable
Securities (the “Demanding Holders”) may make a written demand for Registration of all or part of their Registrable Securities, which written demand shall describe the amount and type of securities to be included in such
Registration and the intended method(s) of distribution thereof (a “Demand Registration”). The Company shall, within ten (10) Business Days of the Company’s receipt of the Demand Registration, notify in writing all
other Holders of Registrable Securities of such Demand Registration, and each Holder of Registrable Securities who thereafter wishes to include all or a portion of such Holder’s Registrable Securities in a Registration pursuant to a Demand
Registration (each such Holder that includes all or a portion of such Holder’s Registrable Securities in such Registration, a “Requesting Holder”) shall so notify the Company in writing within five (5) Business Days
after the receipt by the Holder of the notice from the Company. Upon receipt by the Company of any such written notification from a Requesting Holder(s) to the Company, such Requesting Holder(s) shall be entitled to have their Registrable Securities
included in a Registration pursuant to a Demand Registration and the Company shall file, as soon thereafter as practicable, but not more than forty-five (45) days immediately after the Company’s receipt of the Demand Registration request,
a registration statement covering all Registrable Securities requested by the Demanding Holders and Requesting Holders pursuant to such Demand Registration and shall cause such registration statement to become effective as soon thereafter as
practicable. Under no circumstances shall the Company be obligated to effect more than an aggregate of three (3) Registrations pursuant to a Demand Registration under this subsection 2.1.1 with respect to any or all Registrable
Securities; provided, however, that a Registration shall not be counted for such purposes unless a Form S-1 or any similar long-form registration statement that may be available at such time
(“Form S-1”) has become effective and all of the Registrable Securities requested by the Requesting Holders to be registered on behalf of the Requesting Holders in such Form S-1 Registration have been sold in accordance with Section 3.1 of this Agreement. 

2.1.2 Effective Registration. Notwithstanding the provisions of subsection 2.1.1 above or any other part of this Agreement, a
Registration pursuant to a Demand Registration shall not count as a Registration unless and until (i) the Registration Statement filed with the Commission with respect to a Registration pursuant to a Demand Registration has been declared
effective by the Commission and (ii) the Company has complied with all of its obligations under this Agreement with respect thereto; provided, however, that if, after such Registration Statement has been declared effective, an
offering of Registrable Securities in a Registration pursuant to a 

  
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Demand Registration is subsequently interfered with by any stop order or injunction of the Commission, federal or state court or any other governmental agency, the Registration Statement with
respect to such Registration shall be deemed not to have been declared effective, unless and until (i) such stop order or injunction is removed, rescinded or otherwise terminated and (ii) a majority-in-interest of the Demanding Holders initiating such Demand Registration thereafter affirmatively elect to continue with such Registration and accordingly notify the Company in writing, but in no
event later than five (5) days, of such election; provided, further, that the Company shall not be obligated or required to file another Registration Statement until the Registration Statement that has been previously filed with
respect to a Registration pursuant to a Demand Registration becomes effective or is subsequently terminated. 
 2.1.3 Underwritten
Offering. Subject to the provisions of subsection 2.1.4 and Section 2.4, if a majority-in-interest of the Demanding Holders so
advise the Company as part of their Demand Registration that the offering of the Registrable Securities pursuant to such Demand Registration shall be in the form of an Underwritten Offering, then the right of such Demanding Holder or Requesting
Holder (if any) to include its Registrable Securities in such Registration shall be conditioned upon such Demanding Holder’s or Requesting Holder’s participation in such Underwritten Offering and the inclusion of such Demanding
Holder’s or Requesting Holder’s Registrable Securities in such Underwritten Offering to the extent provided herein. All such Demanding Holders and Requesting Holders proposing to distribute their Registrable Securities through an
Underwritten Offering under this subsection 2.1.3 shall enter into an underwriting agreement in customary form with the Underwriter(s) selected for such Underwritten Offering by the majority-in-interest of the Demanding Holders initiating the Demand Registration. 
 2.1.4
Reduction of Underwritten Offering. If the managing Underwriter or Underwriters in an Underwritten Registration pursuant to a Demand Registration, in good faith, advise(s) the Company, the Demanding Holders and the Requesting Holders (if any)
in writing that the dollar amount or number of Registrable Securities that the Demanding Holders and the Requesting Holders (if any) desire to sell, taken together with all other Common Stock or other equity securities that the Company desires to
sell and the Common Stock, if any, as to which a Registration has been requested pursuant to separate written contractual piggyback registration rights held by any other stockholders who desire to sell, exceeds the maximum dollar amount or maximum
number of equity securities that can be sold in the Underwritten Offering without adversely affecting the proposed offering price, the timing, the distribution method or the probability of success of such offering (such maximum dollar amount or
maximum number of such securities, as applicable, the “Maximum Number of Securities”), then the Company shall include in such Underwritten Offering, as follows: (i) first, the Registrable Securities of the
Demanding Holders and the Requesting Holders (if any) (pro rata based on the respective number of Registrable Securities that each Demanding Holder and Requesting Holder (if any) has requested be included in such Underwritten Registration and the
aggregate number of Registrable Securities that the Demanding Holders and the Requesting Holders have requested be included in such Underwritten Registration) that can be sold without exceeding the Maximum Number of Securities;
(ii) second, to the extent that the Maximum Number of Securities has not been reached under the foregoing clause (i), the Registrable Securities of Holders exercising their rights to register their Registrable Securities pursuant
to subsection 2.2.1 (pro rata based on the respective number of Registrable Securities that each Holder has so requested), without exceeding the Maximum Number of Securities; (iii) third, to the extent that the Maximum Number of
Securities 

  
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has not been reached under the foregoing clauses (i) and (ii), Common Stock or other equity securities that the Company desires to sell, which can be sold without exceeding the
Maximum Number of Securities; and (iv) fourth, to the extent that the Maximum Number of Securities has not been reached under the foregoing clauses (i), (ii) and (iii), Common Stock or other equity securities of
other persons or entities that the Company is obligated to register in a Registration pursuant to separate written contractual arrangements with such persons and that can be sold without exceeding the Maximum Number of Securities. 

2.1.5 Demand Registration Withdrawal. A
majority-in-interest of the Demanding Holders initiating a Demand Registration or a
majority-in-interest of the Requesting Holders (if any), pursuant to a Registration under subsection 2.1.1 shall have the right to withdraw from a Registration
pursuant to such Demand Registration for any or no reason whatsoever upon written notification to the Company and the managing Underwriter or Underwriters, if any, of their intention to withdraw from such Registration prior to the effectiveness of
the Registration Statement filed with the Commission with respect to the Registration of their Registrable Securities pursuant to such Demand Registration. Notwithstanding anything to the contrary in this Agreement, the Company shall be responsible
for the Registration Expenses incurred in connection with a Registration pursuant to a Demand Registration prior to its withdrawal under this subsection 2.1.5. 

2.2. Piggyback Registration. 

2.2.1 Piggyback Rights. If, at any time on or after the date the Company consummates a Business Combination, the Company proposes to
file a Registration Statement under the Securities Act with respect to an offering of equity securities, or securities or other obligations exercisable or exchangeable for, or convertible into equity securities, for its own account or for the
account of stockholders of the Company (or by the Company and by the stockholders of the Company, including pursuant to Section 2.1), other than a Registration Statement (i) filed in connection with any employee stock
option or other benefit plan, (ii) for an exchange offer or offering of securities solely to the Company’s existing stockholders, (iii) for an offering of debt that is convertible into equity securities of the Company or (iv) for
a dividend reinvestment plan, then the Company shall give written notice of such proposed filing to all of the Holders of Registrable Securities as soon as practicable but not less than ten (10) days before the anticipated filing date of such
Registration Statement, which notice shall (A) describe the amount and type of securities to be included in such offering, the intended method(s) of distribution and the name of the proposed managing Underwriter or Underwriters, if any, in such
offering, and (B) offer to all of the Holders of Registrable Securities the opportunity to register the sale of such number of Registrable Securities as such Holders may request in writing within five (5) days after receipt of such written
notice (such Registration, a “Piggyback Registration”). The Company shall, in good faith, cause such Registrable Securities to be included in such Piggyback Registration and shall use its best efforts to cause the managing
Underwriter or Underwriters of a proposed Underwritten Offering to permit the Registrable Securities requested by the Holders pursuant to this subsection 2.2.1 to be included in a Piggyback Registration on the same terms and conditions as any
similar securities of the Company included in such Registration and to permit the sale or other disposition of such Registrable Securities in accordance with the intended method(s) of distribution thereof. All such Holders proposing to distribute
their Registrable Securities through an Underwritten Offering under this subsection 2.2.1 shall enter into an underwriting agreement in customary form with the Underwriter(s) selected for such Underwritten Offering by the Company. 

  
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 2.2.2 Reduction of Piggyback Registration. If the managing Underwriter or
Underwriters in an Underwritten Registration that is to be a Piggyback Registration, in good faith, advises the Company and the Holders of Registrable Securities participating in the Piggyback Registration in writing that the dollar amount or number
of shares of Common Stock that the Company desires to sell, taken together with (i) the shares of Common Stock, if any, as to which Registration has been demanded pursuant to separate written contractual arrangements with persons or entities
other than the Holders of Registrable Securities hereunder, (ii) the Registrable Securities as to which registration has been requested pursuant to Section 2.2 and (iii) the shares of Common Stock, if any, as to
which Registration has been requested pursuant to separate written contractual piggyback registration rights of other stockholders of the Company, exceeds the Maximum Number of Securities, then: 

(a) If the Registration is undertaken for the Company’s account, the Company shall include in any such Registration (i) first,
Common Stock or other equity securities that the Company desires to sell, which can be sold without exceeding the Maximum Number of Securities, (ii) second, to the extent that the Maximum Number of Securities has not been reached under
the foregoing clause (i), the Registrable Securities of Holders exercising their rights to register their Registrable Securities pursuant to subsection 2.2.1 (pro rata based on the number of Registrable Securities that each Holder has
so requested), which can be sold without exceeding the Maximum Number of Securities and (iii) third, to the extent that the Maximum Number of Securities has not been reached under the foregoing clauses (i) and (ii),
shares of Common Stock, if any, as to which Registration has been requested pursuant to written contractual piggyback registration rights of other stockholders of the Company, which can be sold without exceeding the Maximum Number of Securities;

 (b) If the Registration is pursuant to a request by persons or entities other than the Holders of Registrable Securities, then the
Company shall include in any such Registration (i) first, Common Stock or other equity securities, if any, of such requesting persons or entities, other than the Holders of Registrable Securities, which can be sold without exceeding the
Maximum Number of Securities, (ii) second, to the extent that the Maximum Number of Securities has not been reached under the foregoing clause (i), the Registrable Securities of Holders exercising their rights to register their
Registrable Securities pursuant to subsection 2.2.1 (pro rata based on the number of Registrable Securities that each Holder has so requested), which can be sold without exceeding the Maximum Number of Securities, (C) third, to
the extent that the Maximum Number of Securities has not been reached under the foregoing clauses (i) and (ii), shares of Common Stock or other equity securities that the Company desires to sell, which can be sold without
exceeding the Maximum Number of Securities and (iv) fourth, to the extent that the Maximum Number of Securities has not been reached under the foregoing clauses (i), (ii) and (iii), shares of Common Stock or other
equity securities for the account of other persons or entities that the Company is obligated to register pursuant to separate written contractual arrangements with such persons or entities, which can be sold without exceeding the Maximum Number of
Securities. 

  
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 2.2.3 Piggyback Registration Withdrawal. Any Holder of Registrable Securities shall
have the right to withdraw from a Piggyback Registration for any or no reason whatsoever upon written notification to the Company and the managing Underwriter or Underwriters, if any, of his, her or its intention to withdraw from such Piggyback
Registration prior to the effectiveness of the Registration Statement filed with the Commission with respect to such Piggyback Registration. The Company (whether on its own good faith determination or as the result of a request for withdrawal by
persons pursuant to separate written contractual obligations) may withdraw a Registration Statement filed with the Commission in connection with a Piggyback Registration at any time prior to the effectiveness of such Registration Statement.
Notwithstanding anything to the contrary in this Agreement, the Company shall be responsible for the Registration Expenses incurred in connection with the Piggyback Registration prior to its withdrawal under this subsection 2.2.3. 

2.2.4 Unlimited Piggyback Registration Rights. For purposes of clarity, any Registration effected pursuant to
Section 2.2 shall not be counted as a Registration pursuant to a Demand Registration effected under Section 2.1. 

2.3. Registrations on Form S-3. The Holders of Registrable Securities may at any time, and from
time to time, request in writing that the Company, pursuant to Rule 415 under the Securities Act (or any successor rule promulgated thereafter by the Commission), register the resale of any or all of their Registrable Securities on Form S-3 or any similar short-form registration statement that may be available at such time (“Form S-3”); provided, however, that the Company
shall not be obligated to effect such request through an Underwritten Offering. Within five (5) days of the Company’s receipt of a written request from a Holder or Holders of Registrable Securities for a Registration on Form S-3, the Company shall promptly give written notice of the proposed Registration on Form S-3 to all other Holders of Registrable Securities, and each Holder of Registrable
Securities who thereafter wishes to include all or a portion of such Holder’s Registrable Securities in such Registration on Form S-3 shall so notify the Company in writing within ten (10) days after
the receipt by the Holder of the notice from the Company. As soon as practicable thereafter, but not more than twelve (12) days after the Company’s initial receipt of such written request for a Registration on Form S-3, the Company shall register all or such portion of such Holder’s Registrable Securities as are specified in such written request, together with all or such portion of Registrable Securities of any other
Holder or Holders joining in such request as are specified in the written notification given by such Holder or Holders; provided, however, that the Company shall not be obligated to effect any such Registration pursuant to
Section 2.3 if (i) a Form S-3 is not available for such offering or (ii) the Holders of Registrable Securities, together with the Holders of any other equity securities of
the Company entitled to inclusion in such Registration, propose to sell the Registrable Securities and such other equity securities (if any) at any aggregate price to the public of less than $25,000,000. Any request for any underwritten offering
pursuant to a Form S-3 shall follow the procedures of Section 2.1 (including Section 2.1.4) but, for the avoidance of doubt, shall not count as a demand
registration or an exercise of any demand rights. 
 2.4. Restrictions on Registration Rights. If (A) during the period starting
with the date sixty (60) days prior to the Company’s good faith estimate of the date of the filing of, and ending on a date one-hundred-twenty (120) days after the effective date of, a Company
initiated Registration; provided, however, that the Company has filed, or delivered written notice to the Holders of the intent to file, a Company initiated Registration prior to receipt of a Demand Registration pursuant to
subsection 2.1.1; provided, further, that, if the Company receives a 

  
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Demand Registration pursuant to subsection 2.1.1 prior the effective date of such Company initiated Registration, the Company continues to actively employ, in good faith, all reasonable
efforts to cause the applicable Registration Statement to become effective, (B) the Holders have requested an Underwritten Registration and the Company and the Holders are unable to obtain the commitment of underwriters to firmly underwrite the
offer or (C) in the good faith judgment of the Board such Registration would be seriously detrimental to the Company and the Board concludes as a result that it is essential to defer the filing of such Registration Statement at such time, then
in each case the Company shall furnish to such Holders a certificate signed by the chair of the Board stating that in the good faith judgment of the Board it would be seriously detrimental to the Company for such Registration Statement to be filed
in the near future and that it is therefore essential to defer the filing of such Registration Statement. In such event, the Company shall have the right to defer such filing for a period of not more than thirty (30) days; provided,
however, that the Company shall not defer its obligation in this manner more than once in any 12-month period. Notwithstanding anything to the contrary contained in this Agreement or the effectiveness
of any Registration Statement, no sales of Registrable Securities shall be effected by any Holder until after the expiration of the Founder Shares Lock-Up Period or the Private Placement Lock-Up Period, as the case may be. 
 2.5. Limitations on Underwriters’ Registration Rights.
Notwithstanding anything herein to the contrary, (i) the underwriters in the Company’s initial public offering may not exercise their rights under Sections 2.1 and 2.2 after five (5) and seven
(7) years after the effective date of the Registration Statement relating to the Company’s initial public offering, respectively, and (ii) the underwriters in the Company’s initial public offering may not exercise their rights
under Section 2.1 more than one (1) time. 
 ARTICLE III 

COMPANY PROCEDURES 
 3.1.
General Procedures. If at any time on or after the date the Company consummates a Business Combination the Company is required to effect the Registration of Registrable Securities, the Company shall use its best efforts to effect such
Registration to permit the sale of such Registrable Securities in accordance with the intended plan of distribution thereof, and pursuant thereto the Company shall, as expeditiously as possible: 

3.1.1 prepare and file with the Commission as soon as practicable a Registration Statement with respect to such Registrable Securities and use
its reasonable best efforts to cause such Registration Statement to become effective and remain effective until all Registrable Securities covered by such Registration Statement have been sold; 

3.1.2 prepare and file with the Commission such amendments and post-effective amendments to the Registration Statement, and such supplements
to the Prospectus, as may be requested by the Holders or any Underwriter of Registrable Securities or as may be required by the rules, regulations or instructions applicable to the registration form used by the Company or by the Securities Act or
rules and regulations thereunder to keep the Registration Statement effective until all Registrable Securities covered by such Registration Statement are sold in accordance with the intended plan of distribution set forth in such Registration
Statement or supplement to the Prospectus; 

  
 11 

 3.1.3 prior to filing a Registration Statement or prospectus, or any amendment or supplement
thereto, furnish without charge to the Underwriters, if any, and the Holders of Registrable Securities included in such Registration, and the Holders’ legal counsel, copies of such Registration Statement as proposed to be filed, each amendment
and supplement to such Registration Statement (in each case including all exhibits thereto and documents incorporated by reference therein), the Prospectus included in such Registration Statement (including each preliminary Prospectus), and such
other documents as the Underwriters and the Holders of Registrable Securities included in such Registration or the legal counsel for any such Holders may request in order to facilitate the disposition of the Registrable Securities owned by such
Holders; 
 3.1.4 prior to any public offering of Registrable Securities, use its best efforts to (i) register or qualify the
Registrable Securities covered by the Registration Statement under such securities or “blue sky” laws of such jurisdictions in the United States as the Holders of Registrable Securities included in such Registration Statement (in light of
their intended plan of distribution) may request and (ii) take such action necessary to cause such Registrable Securities covered by the Registration Statement to be registered with or approved by such other governmental authorities as may be
necessary by virtue of the business and operations of the Company and do any and all other acts and things that may be necessary or advisable to enable the Holders of Registrable Securities included in such Registration Statement to consummate the
disposition of such Registrable Securities in such jurisdictions; provided, however, that the Company shall not be required to qualify generally to do business in any jurisdiction where it would not otherwise be required to qualify or
take any action to which it would be subject to general service of process or taxation in any such jurisdiction where it is not then otherwise so subject; 

3.1.5 cause all such Registrable Securities to be listed on each securities exchange or automated quotation system on which similar securities
issued by the Company are then listed; 
 3.1.6 provide a transfer agent or warrant agent, as applicable, and registrar for all such
Registrable Securities no later than the effective date of such Registration Statement; 
 3.1.7 advise each seller of such Registrable
Securities, promptly after it shall receive notice or obtain knowledge thereof, of the issuance of any stop order by the Commission suspending the effectiveness of such Registration Statement or the initiation or threatening of any proceeding for
such purpose and promptly use its reasonable best efforts to prevent the issuance of any stop order or to obtain its withdrawal if such stop order should be issued; 

3.1.8 at least five (5) days prior to the filing of any Registration Statement or Prospectus or any amendment or supplement to such
Registration Statement or Prospectus or any document that is to be incorporated by reference into such Registration Statement or Prospectus, furnish a copy thereof to each seller of such Registrable Securities or its counsel; 

3.1.9 notify the Holders at any time when a Prospectus relating to such Registration Statement is required to be delivered under the
Securities Act, of the happening of any event as a result of which the Prospectus included in such Registration Statement, as then in effect, includes a Misstatement, and then to correct such Misstatement as set forth in
Section 3.4; 

  
 12 

 3.1.10 permit a representative of the Holders, the Underwriters, if any, and any attorney or
accountant retained by the Holders or the Underwriters to participate, at each such person’s own expense, in the preparation of the Registration Statement, and cause the Company’s officers, directors and employees to supply all information
reasonably requested by any such representative, the Underwriters, attorney or accountant in connection with the Registration; provided, however, that such representatives or the Underwriters enter into a confidentiality agreement, in
form and substance reasonably satisfactory to the Company, prior to the release or disclosure of any such information; provided, further, that the Company may not include the name of any Holder or Underwriter or any information
regarding any Holder or Underwriter in any Registration Statement or Prospectus, any amendment or supplement to such Registration Statement or Prospectus, any document that is to be incorporated by reference into such Registration Statement or
Prospectus, or any response to any comment letter, without the prior written consent of such Holder or Underwriter and providing each such Holder or Underwriter a reasonable amount of time to review and comment on such applicable document, which
comments the Company shall include unless contrary to applicable law; 
 3.1.11 obtain a “cold comfort” letter from the
Company’s independent registered public accounting firm in the event of an Underwritten Registration, in customary form and covering such matters of the type customarily covered by “cold comfort” letters as the managing Underwriters
may reasonably request, and reasonably satisfactory to a majority-in-interest of the participating Holders; 

3.1.12 on the date the Registrable Securities are delivered for sale pursuant to such Registration, obtain an opinion, dated such date, of
counsel representing the Company for the purposes of such Registration, addressed to the Holders, the placement agent or sales agent, if any, and the Underwriters, if any, covering such legal matters with respect to the Registration in respect of
which such opinion is being given as the Holders, placement agent, sales agent or Underwriter may reasonably request and as are customarily included in such opinions and negative assurance letters, and reasonably satisfactory to a majority in
interest of the participating Holders; 
 3.1.13 in the event of any Underwritten Offering, enter into and perform its obligations under an
underwriting agreement, in usual and customary form, with the managing Underwriter of such offering; 
 3.1.14 make available to its
security holders, as soon as reasonably practicable, an earnings statement covering the period of at least twelve (12) months beginning with the first day of the Company’s first full calendar quarter after the effective date of the
Registration Statement which satisfies the provisions of Section 11(a) of the Securities Act and Rule 158 thereunder (or any successor rule promulgated thereafter by the Commission); 

3.1.15 if the Registration involves the Registration of Registrable Securities involving gross proceeds in excess of $25,000,000, use its
reasonable efforts to make available senior executives of the Company to participate in customary “road show” presentations that may be reasonably requested by the Underwriters in any Underwritten Offering; and 

  
 13 

 3.1.16 otherwise, in good faith, cooperate reasonably with, and take such customary actions
as may reasonably be requested by the Holders, in connection with such Registration, including making available senior executives of the Company to participate in any due diligence sessions that may be reasonably requested by the Underwriters in any
Underwritten Offering. 
 3.2. Registration Expenses. The Registration Expenses of all Registrations shall be borne by the Company.
It is acknowledged by the Holders that the Holders shall bear all incremental selling expenses relating to the sale of Registrable Securities, such as Underwriters’ commissions and discounts, brokerage fees, marketing costs and, other than as
set forth in the definition of “Registration Expenses,” all reasonable fees and expenses of any legal counsel representing the Holders. 

3.3. Requirements for Participation in Underwritten Offerings. No person may participate in any Underwritten Offering for equity
securities of the Company pursuant to a Registration initiated by the Company hereunder unless such person (i) agrees to sell such person’s securities on the basis provided in any underwriting arrangements approved by the Company and
(ii) completes and executes all customary questionnaires, powers of attorney, indemnities, lock-up agreements, underwriting agreements and other customary documents as may be reasonably required under the
terms of such underwriting arrangements. 
 3.4. Suspension of Sales; Adverse Disclosure. Upon receipt of written notice from the
Company that a Registration Statement or Prospectus contains a Misstatement, each of the Holders shall forthwith discontinue disposition of Registrable Securities pursuant to such Registration Statement or Prospectus until he, she or it has received
copies of a supplemented or amended Prospectus correcting the Misstatement (it being understood that the Company hereby covenants to prepare and file such supplement or amendment as soon as practicable after the time of such notice), or until he,
she or it is advised in writing by the Company that the use of the Prospectus may be resumed. If the filing, initial effectiveness or continued use of a Registration Statement in respect of any Registration at any time would require the Company to
make an Adverse Disclosure or would require the inclusion in such Registration Statement of financial statements that are unavailable to the Company for reasons beyond the Company’s control, the Company may, upon giving prompt written notice of
such action to the Holders, delay the filing or initial effectiveness of, or suspend use of, such Registration Statement for the shortest period of time, but in no event more than thirty (30) days, determined in good faith by the Company to be
necessary for such purpose. In the event the Company exercises its rights under the preceding sentence, each Holder, severally and not jointly, agrees with the Company to suspend, immediately upon their receipt of the notice referred to above, their
use of the Prospectus relating to any Registration in connection with any sale or offer to sell Registrable Securities. The Company shall immediately notify the Holders of the expiration of any period during which it exercised its rights under this
Section 3.4. 
 3.5. Reporting Obligations. As long as any Holder shall own Registrable Securities, the
Company, at all times while it shall be a reporting company under the Exchange Act, covenants to file timely (or obtain extensions in respect thereof and file within the applicable grace period) all reports required to be filed by the Company after
the date hereof pursuant to Sections 13(a) or 15(d) of the Exchange Act and to promptly furnish the Holders with true and complete copies of all such filings. The Company further covenants that it shall take such further action as any Holder may
reasonably request, all to the extent required from time to time to enable such Holder to sell shares of Common Stock held by such Holder without registration under the Securities Act within 

  
 14 

 
the limitation of the exemptions provided by Rule 144 promulgated under the Securities Act (or any successor rule promulgated thereafter by the Commission), including providing any legal
opinions. Upon the request of any Holder, the Company shall deliver to such Holder a written certification of a duly authorized officer as to whether it has complied with such requirements. 

3.6. Legend Removal. If: 

(a) 
 (i) the
distribution, pledge, sale or other transfer of Registrable Securities is registered pursuant to an effective registration statement under the Securities Act; or 

(ii) the Registrable Securities may be sold without restriction under Rule 144; and 

(b) a Holder has sold or transferred, or proposes to sell or transfer, Registrable Securities pursuant to an effective registration statement
or Rule 144; and 
 (c) the Company, its counsel or the Transfer Agent have received customary representations and other
documentation from a Holder that is reasonably necessary to establish that restrictive legends are no longer required as reasonably requested by the Company, its counsel or the Transfer Agent, 

then, if requested by Holder, the Company shall (x) cause the removal of any restrictive legend set forth on the Registrable Securities and
(y) issue Registrable Securities without any such legend in book-entry form or by electronic delivery through DTC, at the Holder’s option, within two (2) Business Days of such request. 

ARTICLE IV 

INDEMNIFICATION AND CONTRIBUTION 

4.1. Indemnification. 

4.1.1 The Company agrees to indemnify, to the extent permitted by law, each Holder of Registrable Securities, its officers and directors and
each person who controls such Holder (within the meaning of the Securities Act) against all losses, claims, damages, liabilities and expenses (including attorneys’ fees) caused by any untrue or alleged untrue statement of material fact
contained in any Registration Statement, Prospectus or preliminary Prospectus or any amendment thereof or supplement thereto or any omission or alleged omission of a material fact required to be stated therein or necessary to make the statements
therein not misleading, except insofar as the same are caused by or contained in any information furnished in writing to the Company by such Holder expressly for use therein. The Company shall indemnify the Underwriters and any person who may be
deemed an underwriter (within the meaning of the Securities Act) in connection with any Registration Statement hereunder, their respective officers and directors and each person who controls (within the meaning of the Securities Act) such persons to
the same extent as provided in the foregoing with respect to the indemnification of the Holder. 

  
 15 

 4.1.2 In connection with any Registration Statement in which a Holder of Registrable
Securities is participating, such Holder shall furnish to the Company in writing such information and affidavits as the Company reasonably requests for use in connection with any such Registration Statement or Prospectus and, to the extent permitted
by law, agrees with the Company that the Holder shall indemnify the Company, its directors and officers and agents and each person who controls the Company (within the meaning of the Securities Act) against any losses, claims, damages, liabilities
and expenses (including without limitation reasonable attorneys’ fees) resulting from any untrue statement of material fact contained in the Registration Statement, Prospectus or preliminary Prospectus or any amendment thereof or supplement
thereto or any omission of a material fact required to be stated therein or necessary to make the statements therein not misleading, but only to the extent that such untrue statement or omission is contained in any information or affidavit so
furnished in writing by such Holder expressly for use therein; provided, however, that the obligation to indemnify shall be several, not joint and several, among such Holders of Registrable Securities, and the liability of each such
Holder of Registrable Securities shall be in proportion to and limited to the net proceeds received by such Holder from the sale of Registrable Securities pursuant to such Registration Statement. Each participating Holder of Registrable Securities
agrees with the Company that the Holder shall indemnify the Underwriters, their respective officers, directors and each person who controls the Underwriters (within the meaning of the Securities Act) to the same extent as provided in the foregoing
with respect to indemnification of the Company. 
 4.1.3 Any person entitled to indemnification herein shall (i) give prompt written
notice to the indemnifying party of any claim with respect to which it seeks indemnification; provided, however, that the failure to give prompt notice shall not impair any person’s right to indemnification hereunder to the extent
such failure has not materially prejudiced the indemnifying party, and (ii) unless in such indemnified party’s reasonable judgment a conflict of interest between such indemnified and indemnifying parties may exist with respect to such
claim, permit such indemnifying party to assume the defense of such claim with counsel reasonably satisfactory to the indemnified party. If such defense is assumed, the indemnifying party shall not be subject to any liability for any settlement made
by the indemnified party without its consent (but such consent shall not be unreasonably withheld). An indemnifying party who is not entitled to, or elects not to, assume the defense of a claim shall not be obligated to pay the fees and expenses of
more than one (1) counsel (plus local counsel) for all parties indemnified by such indemnifying party with respect to such claim, unless in the reasonable judgment of any indemnified party a conflict of interest may exist between such
indemnified party and any other of such indemnified parties with respect to such claim. No indemnifying party shall, without the consent of the indemnified party, consent to the entry of any judgment or enter into any settlement unless such
settlement, compromise or judgment (A) includes an unconditional release of the indemnified party from all liability arising out of such action or claim, (B) does not include a statement as to or an admission of fault, culpability or a
failure to act, by or on behalf of any indemnified party and (C) does not require any action other than the payment of money by the indemnifying party. 

4.1.4 The indemnification provided for under this Agreement shall remain in full force and effect regardless of any investigation made by or
on behalf of the indemnified party or any officer, director or controlling person of such indemnified party and shall survive the transfer of securities. The Company and each Holder of Registrable Securities participating in an offering also agrees
to make such provisions as are reasonably requested by any indemnified party for contribution to such party in the event the Company’s or such Holder’s indemnification is unavailable for any reason. 

  
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 4.1.5 If the indemnification provided under Section 4.1 from the
indemnifying party is unavailable or insufficient to hold harmless an indemnified party in respect of any losses, claims, damages, liabilities and expenses referred to herein, then the indemnifying party, in lieu of indemnifying the indemnified
party, shall contribute to the amount paid or payable by the indemnified party as a result of such losses, claims, damages, liabilities and expenses in such proportion as is appropriate to reflect the relative fault of the indemnifying party and the
indemnified party, as well as any other relevant equitable considerations. The relative fault of the indemnifying party and indemnified party shall be determined by reference to, among other things, whether any action in question, including any
untrue or alleged untrue statement of a material fact or omission or alleged omission to state a material fact, was made by, or relates to information supplied by, such indemnifying party or indemnified party, and the indemnifying party’s and
indemnified party’s relative intent, knowledge, access to information and opportunity to correct or prevent such action; provided, however, that the liability of any Holder under this subsection 4.1.5 shall be limited to
the amount of the net proceeds received by such Holder in such offering giving rise to such liability. The amount paid or payable by a party as a result of the losses or other liabilities referred to above shall be deemed to include, subject to the
limitations set forth in subsections 4.1.1, 4.1.2 and 4.1.3, any legal or other fees, charges or expenses reasonably incurred by such party in connection with any investigation or proceeding. The parties hereto agree that it
would not be just and equitable if contribution pursuant to this subsection 4.1.5 were determined by pro rata allocation or by any other method of allocation, which does not take account of the equitable considerations referred to in this
subsection 4.1.5. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution pursuant to this subsection 4.1.5 from any person who was not guilty
of such fraudulent misrepresentation. 
 ARTICLE V 

MISCELLANEOUS 
 5.1.
Notices. Any notice or communication under this Agreement must be in writing and given by (i) deposit in the United States mail, addressed to the party to be notified, postage prepaid and registered or certified with return receipt
requested, (ii) delivery in person or by courier service providing evidence of delivery or (iii) transmission by hand delivery, electronic mail or facsimile. Each notice or communication that is mailed, delivered or transmitted in the
manner described above shall be deemed sufficiently given, served, sent and received, in the case of mailed notices, on the third (3) business day following the date on which it is mailed and, in the case of notices delivered by courier
service, hand delivery, electronic mail or facsimile, at such time as it is delivered to the addressee (with the delivery receipt or the affidavit of messenger) or at such time as delivery is refused by the addressee upon presentation. Any notice or
communication under this Agreement must be addressed, if to the Company, to: 99 Wall Street, #5801, New York, New York 10005; Attention: Peter Bordes and Michael E.S. Frankel. Any party may change its address for notice at any time and from time to
time by written notice to the other parties hereto, and such change of address shall become effective thirty (30) days after delivery of such notice as provided in this Section 5.1. 

  
 17 

 5.2. Assignment; No Third Party Beneficiaries. 

5.2.1 This Agreement and the rights, duties and obligations of the Company hereunder may not be assigned or delegated by the Company in whole
or in part. 
 5.2.2 Prior to the expiration of the Founder Shares Lock-Up Period or the Private
Placement Lock-Up Period, as the case may be, no Holder may assign or delegate such Holder’s rights, duties or obligations under this Agreement, in whole or in part, except in connection with a transfer
of Registrable Securities by such Holder to a Permitted Transferee who agrees to become bound by this Agreement. Thereafter, a Holder may assign or delegate such Holder’s rights, duties or obligations under this Agreement, in whole or in part,
to a Permitted Transferee who agrees to become bound by this Agreement. 
 5.2.3 This Agreement and the provisions hereof shall be binding
upon and shall inure to the benefit of each of the parties and its successors and the permitted assigns of the Holders, which shall include Permitted Transferees. 

5.2.4 This Agreement shall not confer any rights or benefits on any persons that are not parties hereto, other than as expressly set forth in
this Agreement and Section 5.2. 
 5.2.5 No assignment by any party hereto of such party’s rights, duties and
obligations hereunder shall be binding upon or obligate the Company unless and until the Company shall have received (i) written notice of such assignment as provided in Section 5.1 and (ii) the written agreement
of the assignee, in a form reasonably satisfactory to the Company, to be bound by the terms and provisions of this Agreement (which may be accomplished by an addendum or certificate of joinder to this Agreement). Any transfer or assignment made
other than as provided in this Section 5.2 shall be null and void. 
 5.3. Severability. This 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 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 Agreement a provision as similar in terms to such invalid or unenforceable provision as may be possible that is valid and enforceable. 

5.4. Counterparts. This Agreement may be executed in multiple counterparts (including facsimile or PDF counterparts), each of which
shall be deemed an original, and all of which together shall constitute the same instrument, but only one of which need be produced. 
 5.5.
Relationship of the Parties. For ease of administration, this Agreement is being executed so as to enable each Holder identified on the signature pages to enter into this Agreement, severally, but not jointly. The Company and each Holder
agree with each other that (i) this Agreement shall be treated as if it were a separate agreement with respect to each Holder listed on the signature page, as if each Holder had executed a separate registration rights agreement naming only
itself as a Holder, and (ii) no Holder listed on the signature page shall have any liability under this Agreement for the obligations of any other Holder so listed. The decision of each Holder to enter into this Agreement has been made by such
Holder independently of any other Holder. Nothing contained herein, and no action taken by a Holder pursuant hereto or thereto, shall be 

  
 18 

 
deemed to constitute any Holder acting with any other Holder or Holders as a partnership, an association, a joint venture or any other kind of entity, or create a presumption that any Holder and
any other Holder or Holders are in any way acting in concert or as a group with respect to such obligations or the transactions contemplated by this Agreement. 

5.6. Entire Agreement. This Agreement, including all agreements entered into pursuant hereto and all certificates and instruments
delivered pursuant hereto and thereto, constitutes the entire agreement of the parties with respect to the subject matter hereof and supersedes all prior and contemporaneous agreements, representations, understandings, negotiations and discussions
between the parties, whether oral or written. 
 5.7. Governing Law; Venue. NOTWITHSTANDING THE PLACE WHERE THIS AGREEMENT MAY BE
EXECUTED BY ANY OF THE PARTIES HERETO, THE PARTIES EXPRESSLY AGREE THAT (I) THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED UNDER THE LAWS OF THE STATE OF NEW YORK AS APPLIED TO AGREEMENTS AMONG NEW YORK RESIDENTS ENTERED INTO AND TO BE
PERFORMED ENTIRELY WITHIN NEW YORK, WITHOUT REGARD TO THE CONFLICT OF LAW PROVISIONS OF SUCH JURISDICTION AND (II) THE VENUE FOR ANY ACTION TAKEN WITH RESPECT TO THIS AGREEMENT SHALL BE ANY STATE OR FEDERAL COURT IN NEW YORK COUNTY IN THE STATE
OF NEW YORK. 
 EACH PARTY HERETO ACKNOWLEDGES AND AGREES THAT ANY CONTROVERSY WHICH MAY ARISE UNDER THIS AGREEMENT IS LIKELY TO INVOLVE
COMPLICATED AND DIFFICULT ISSUES, AND, THEREFORE, EACH SUCH PARTY HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVES TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT SUCH PARTY MAY HAVE TO A TRIAL BY JURY IN RESPECT TO ANY ACTION DIRECTLY OR
INDIRECTLY ARISING OUT OF, UNDER OR IN CONNECTION WITH OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED BY THIS AGREEMENT. 

5.8. Amendments and Modifications. Upon the written consent of the Company and the Holders of at least fifty percent (50%) of the
Registrable Securities at the time in question, compliance with any of the provisions, covenants and conditions set forth in this Agreement may be waived, or any of such provisions, covenants or conditions may be amended or modified;
provided, however, that, notwithstanding the foregoing, any amendment hereto or waiver hereof that adversely affects a Holder, solely in his, her or its capacity as a holder of the shares of capital stock of the Company, in a manner
that is materially disproportionate to the other Holders (in such capacity) shall require the consent of such Holder so affected. No course of dealing between any Holder or the Company and any other party hereto or any failure or delay on the part
of a Holder or the Company in exercising any rights or remedies under this Agreement shall operate as a waiver of any rights or remedies of any Holder or the Company. No single or partial exercise of any rights or remedies under this Agreement by a
party shall operate as a waiver or preclude the exercise of any other rights or remedies hereunder or thereunder by such party. 
 5.9.
Titles and Headings. Titles and headings of sections of this Agreement are for convenience only and shall not affect the construction of any provision of this Agreement. 

  
 19 

 5.10. Waivers and Extensions. Any party to this Agreement may waive any right, breach
or default which such party has the right to waive; provided, however, that such waiver shall not be effective against the waiving party unless it is in writing, is signed by such party and specifically refers to this Agreement.
Waivers may be made in advance or after the right waived has arisen or the breach or default waived has occurred. Any waiver may be conditional. No waiver of any breach of any agreement or provision herein contained shall be deemed a waiver of any
preceding or succeeding breach thereof nor of any other agreement or provision herein contained. No waiver or extension of time for performance of any obligations or acts shall be deemed a waiver or extension of the time for performance of any other
obligations or acts. 
 5.11. Remedies Cumulative. In the event that the Company fails to observe or perform any covenant or
agreement to be observed or performed under this Agreement, the Holders may proceed to protect and enforce its rights by suit in equity or action at law, whether for specific performance of any term contained in this Agreement or for an injunction
against the breach of any such term or in aid of the exercise of any power granted in this Agreement or to enforce any other legal or equitable right, or to take any one or more of such actions, without being required to post a bond. None of the
rights, powers or remedies conferred under this Agreement shall be mutually exclusive, and each such right, power or remedy shall be cumulative and in addition to any other right, power or remedy, whether conferred by this Agreement or now or
hereafter available at law, in equity, by statute or otherwise. 
 5.12. Other Registration Rights. The Company represents and
warrants that no person, other than a Holder of Registrable Securities, has any right to require the Company to register any securities of the Company for sale or to include such securities of the Company in any Registration filed by the Company for
the sale of securities for its own account or for the account of any other person. Further, the Company represents and warrants that this Agreement supersedes any other registration rights agreement or agreement with similar terms and conditions and
in the event of a conflict between any such agreement or agreements and this Agreement, the terms of this Agreement shall prevail. 
 5.13.
Term. This Agreement shall terminate upon the earlier of (i) the tenth (10th) anniversary of the date of this Agreement or (ii) the date as of which (A) all of the
Registrable Securities have been sold pursuant to a Registration Statement (but in no event prior to the applicable period referred to in Section 4(a)(3) of the Securities Act and Rule 174 thereunder (or any successor rule promulgated
thereafter by the Commission)) or (B) the Holders of all Registrable Securities are permitted to sell the Registrable Securities under Rule 144 (or any similar provision) under the Securities Act without limitation on the amount of securities
sold or the manner of sale. The provisions of Section 3.5 and Article IV shall survive any termination. 

5.14. Holder Information. Each Holder agrees, if requested in writing, to represent to the Company the total number of Registrable
Securities held by such Holder in order for the Company to make determinations hereunder. 
 [SIGNATURE PAGES FOLLOW] 

  
 20 

 IN WITNESS WHEREOF, the undersigned have caused this Agreement to be executed as of
the date first written above. 
  

			
	C5 ACQUISITION CORPORATION,
	a Delaware corporation
		
	By:	 	 
		 	Name:
		 	Title:
	
	C5 SPONSOR LLC,
	a Delaware limited liability company
		
	By:	 	 
		 	Name:
		 	Title:
	
	HOLDER:
		
	By:	 	 
		 	Name:

 [Signature Page to Registration Rights Agreement—C5 Acquisition Corporation]EX-10.6

 Exhibit 10.6 

FORM OF PRIVATE PLACEMENT WARRANTS PURCHASE AGREEMENT 

THIS PRIVATE PLACEMENT WARRANTS PURCHASE AGREEMENT, dated as of [            ],
2022 (as amended, supplemented or otherwise modified from time to time, this “Agreement”), is entered into by and between C5 Acquisition Corporation, a Delaware corporation (the “Company”), and C5
Sponsor LLC, a Delaware limited liability company (the “Purchaser”). 
 WHEREAS, the Company intends to consummate
an initial public offering of the Company’s units (the “Public Offering”), each unit consisting of one share of Class A common stock, par value $0.0001 per share (each, a “Share”), and one-half of one redeemable warrant, each whole warrant exercisable for one Share at an exercise price of $11.50 per Share, as set forth in the Company’s Registration Statement on Form S-1, filed with the U.S. Securities and Exchange Commission (the “SEC”), File No. 333-261249 (the “Registration
Statement”), under the Securities Act of 1933, as amended (the “Securities Act”); and 
 WHEREAS, the
Purchaser now wishes to purchase, at a price of $1.00 per warrant, an aggregate of 13,035,500 private placement warrants (or up to 15,535,500 private placement warrants, depending on the extent to which the underwriters exercise their option to
purchase additional units) (the “Private Placement Warrants”), each Private Placement Warrant entitling the holder to purchase one Share at an exercise price of $11.50 per Share. 

NOW THEREFORE, IN CONSIDERATION OF the mutual promises contained in this Agreement and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties to this Agreement hereby, intending legally to be bound, agree as follows: 

AGREEMENT 

Section 1. Authorization, Purchase and Sale; Terms of the Private Placement Warrants. 

A. Authorization of the Private Placement Warrants. The Company has duly authorized the issuance and sale of the Private Placement
Warrants to the Purchaser. 
 B. Purchase and Sale of the Private Placement Warrants. 

(i) On the date of the consummation of the Public Offering, the Company shall issue and sell to the Purchaser, and the Purchaser shall
purchase from the Company, 13,035,500 Private Placement Warrants (the “Initial Private Placement Warrants”) at a price of $1.00 per Private Placement Warrant for an aggregate purchase price of $13,035,500 (the
“Purchase Price”). The Purchaser shall pay the Purchase Price by wire transfer of immediately available funds in accordance with the Company’s wiring instructions at least one (1) business day prior to the effective
date of the Registration Statement, or on such other date as the Company and the Purchaser may agree. 

 (ii) In the event that the underwriters’ option to purchase additional units is
exercised in full, the Purchaser shall purchase up to an additional 1,500,000 Private Placement Warrants (the “Additional Private Placement Warrants”), in the same proportion as the amount of the option to purchase additional
units that is exercised and, simultaneously with such purchase of Additional Private Placement Warrants, as payment in full for the Additional Private Placement Warrants being purchased hereunder, and at least one (1) business day prior to the
closing of all or any portion of the option to purchase additional units, or on such other date as the Company and the Purchaser may agree, the Purchaser shall pay $1.00 per Additional Private Placement Warrant, up to an aggregate amount of
$1,500,000, by wire transfer of immediately available funds in accordance with the Company’s wiring instructions. 
 (iii) The closing
of the purchase and sale of the Initial Private Placement Warrants shall take place simultaneously with the closing of the Public Offering (the “Initial Closing Date”). The closing of the purchase and sale of the Additional
Private Placement Warrants, if applicable, shall take place simultaneously with the closing of all or any portion of the option to purchase additional units (such closing date, together with the Initial Closing Date, the “Closing
Dates” and, each, a “Closing Date”). The closing of the purchase and sale of each of the Initial Private Placement Warrants and the Additional Private Placement Warrants shall take place at the offices of Paul,
Weiss, Rifkind, Wharton & Garrison LLP, 1285 Avenue of the Americas, New York, New York, 10019, or such other place as may be agreed upon by the parties hereto. 

C. Terms of the Private Placement Warrants. 

(i) Each Private Placement Warrant shall have the terms set forth in that certain private warrant agreement to be entered into by the Company
and a warrant agent in connection with the Public Offering (the “Private Warrant Agreement”) and shall be subject to the terms of that certain letter agreement to be entered into by the Company, the Purchaser and the other
parties thereto in connection with the Public Offering. 
 (ii) At or prior to the Initial Closing Date, the Company and the Purchaser shall
enter into that certain registration rights agreement (the “Registration Rights Agreement”), pursuant to which the Company will grant certain registration rights to the Purchaser relating to the Private Placement Warrants and
the Shares underlying the Private Placement Warrants. 
 Section 2. Representations and Warranties of the Company. As a material
inducement to the Purchaser to enter into this Agreement and purchase the Private Placement Warrants, the Company hereby represents and warrants to the Purchaser (which representations and warranties shall survive the Closing Dates) that: 

A. Incorporation and Corporate Power. The Company is a corporation duly incorporated, validly existing and in good standing under the
laws of the State of Delaware 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, results of operations or assets of the
Company. The Company possesses all requisite corporate power and authority necessary to carry out the transactions contemplated by this Agreement and the Private Warrant Agreement. 

  
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 B. Authorization; No Breach. 

(i) The execution, delivery and performance of this Agreement and the Private Placement Warrants have been duly authorized by the Company as
of the applicable Closing Date. This Agreement constitutes a valid and binding obligation of the Company, enforceable in accordance with its terms, subject to bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium and other laws
of general applicability relating to or affecting creditors’ rights and to general equitable principles (whether considered in a proceeding in equity or law). Upon issuance in accordance with, and payment pursuant to, the terms of the Private
Warrant Agreement and this Agreement, the Private Placement Warrants will constitute valid and binding obligations of the Company, enforceable in accordance with their terms as of the applicable Closing Date. 

(ii) The execution and delivery by the Company of this Agreement and the Private Placement Warrants, the issuance and sale of the Private
Placement Warrants, the issuance of the Shares upon exercise of the Private Placement Warrants and the fulfillment of, and compliance with, the respective terms hereof and thereof by the Company, do not and will not as of the applicable Closing Date
(a) conflict with or result in a breach of the terms, conditions or provisions of, (b) constitute a default under, (c) result in the creation of any lien, security interest, charge or encumbrance upon the Company’s capital stock
or assets under, (d) result in a violation of or (e) require any authorization, consent, approval, exemption or other action by or notice or declaration to, or filing with, any court or administrative or governmental body or agency
pursuant to the certificate of incorporation or the bylaws of the Company (in effect on the date hereof or as may be amended prior to completion of the Public Offering), or any material law, statute, rule or regulation to which the Company is
subject, or any agreement, order, judgment or decree to which the Company is subject, except for any filings required after the date hereof under federal or state securities laws. 

C. Title to Securities. Upon issuance in accordance with, and payment pursuant to, the terms hereof, the Private Warrant Agreement and
the Company’s amended and restated certificate of incorporation, the Shares issuable upon exercise of the Private Placement Warrants will be duly and validly issued, fully paid and non-assessable. On the
date of issuance of the Private Placement Warrants, the Shares issuable upon exercise of the Private Placement Warrants shall have been reserved for issuance in accordance with the terms of this Agreement. Upon issuance in accordance with, and
payment pursuant to, the terms hereof and the Private Warrant Agreement, the Purchaser will have good title to the Private Placement Warrants purchased by it and the Shares issuable upon exercise of such Private Placement Warrants, free and clear of
all liens, claims and encumbrances of any kind, other than (i) transfer restrictions hereunder and under the other agreements contemplated hereby, (ii) transfer restrictions under federal and state securities laws, and (iii) liens,
claims or encumbrances imposed due to the actions of the Purchaser. 
 D. Governmental Consents. No permit, consent, approval or
authorization of, or declaration to or filing with, any governmental authority is required in connection with the execution, delivery and performance by the Company of this Agreement or the consummation by the Company of any other transactions
contemplated hereby. 

  
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 E. Regulation D Qualification. Neither the Company nor, to its knowledge, any of its
affiliates, officers, directors or beneficial stockholders of twenty percent (20%) or more of its outstanding securities, has experienced a disqualifying event as enumerated pursuant to Rule 506(d) of Regulation D under the Securities Act. 

Section 3. Representations and Warranties of the Purchaser. As a material inducement to the Company to enter into this Agreement
and issue and sell the Private Placement Warrants to the Purchaser, the Purchaser hereby represents and warrants to the Company (which representations and warranties shall survive the Closing Dates) that: 

A. Organization and Requisite Authority. The Purchaser possesses all requisite power and authority necessary to carry out the
transactions contemplated by this Agreement. 
 B. Authorization; No Breach. 

(i) This Agreement constitutes a valid and binding obligation of the Purchaser, enforceable in accordance with its terms, subject to
bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium and other laws of general applicability relating to or affecting creditors’ rights and to general equitable principles (whether considered in a proceeding in equity or
law). 
 (ii) The execution and delivery by the Purchaser of this Agreement and the fulfillment of and compliance with the terms hereof by
the Purchaser does not and shall not as of the applicable Closing Date (a) conflict with or result in a breach by the Purchaser of the terms, conditions or provisions of, (b) constitute a default under, (c) result in the creation of
any lien, security interest, charge or encumbrance upon the Purchaser’s equity or assets under, (d) result in a violation of or (e) require any authorization, consent, approval, exemption or other action by or notice or declaration
to, or filing with, any court or administrative or governmental body or agency pursuant to the certificate of formation or the limited liability company agreement of the Purchaser (in effect on the date hereof or as may be amended prior to
completion of the Public Offering) or any material law, statute, rule or regulation to which the Purchaser is subject, or any agreement, instrument, order, judgment or decree to which the Purchaser is subject, except for any filings required after
the date hereof under federal or state securities laws. 
 C. Investment Representations. 

(i) The Purchaser is acquiring the Private Placement Warrants and, upon exercise of the Private Placement Warrants, the Shares issuable upon
such exercise (collectively, the “Securities”), for the Purchaser’s own account, for investment purposes only and not with a view towards, or for resale in connection with, any public sale or distribution thereof. 

(ii) The Purchaser is an “accredited investor” as such term is defined in Rule 501(a)(3) of Regulation D under the Securities Act
and the Purchaser has not experienced a disqualifying event as enumerated pursuant to Rule 506(d) of Regulation D under the Securities Act. 

  
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 (iii) The Purchaser understands that the Securities are being offered and will be sold to it
in reliance on specific exemptions from the registration requirements of the United States federal and state securities laws and that the Company is relying upon the truth and accuracy of, and the Purchaser’s compliance with, the
representations and warranties of the Purchaser set forth herein in order to determine the availability of such exemptions and the eligibility of the Purchaser to acquire such Securities. 

(iv) The Purchaser did not decide to enter into this Agreement as a result of any general solicitation or general advertising within the
meaning of Rule 502(c) of Regulation D under the Securities Act. 
 (v) The Purchaser has been furnished with all materials relating to the
business, finances and operations of the Company and materials relating to the offer and sale of the Securities which have been requested by the Purchaser. The Purchaser has been afforded the opportunity to ask questions of the executive officers
and directors of the Company. The Purchaser understands that its investment in the Securities involves a high degree of risk and it has sought such accounting, legal and tax advice as it has considered necessary to make an informed investment
decision with respect to the acquisition of the Securities. 
 (vi) The Purchaser understands that no United States federal or state agency
or any other government or governmental agency has passed on or made any recommendation or endorsement of the Securities or the fairness or suitability of the investment in the Securities by the Purchaser nor have such authorities passed upon or
endorsed the merits of the offering of the Securities. 
 (vii) The Purchaser understands that (a) the Securities have not been and are
not being registered under the Securities Act or any state securities laws, and may not be offered for sale, sold, assigned or transferred unless (1) subsequently registered thereunder or (2) sold in reliance on an exemption therefrom and
(b) except as specifically set forth in the Registration Rights Agreement, neither the Company nor any other person is under any obligation to register the Securities under the Securities Act or any state securities laws or to comply with the
terms and conditions of any exemption thereunder. In this regard, the Purchaser understands that the SEC has taken the position that the promoters or affiliates of a blank check company and their transferees, both before and after an initial
Business Combination, are deemed to be “underwriters” under the Securities Act when reselling the securities of a blank check company. Based on that position, Rule 144 promulgated under to the Securities Act would not be available for
resale transactions of the Securities despite technical compliance with the requirements of Rule 144 promulgated under to the Securities Act, and the Securities can be resold only through a registered offering or in reliance upon another exemption
from the registration requirements of the Securities Act. 
 (viii) The Purchaser has such knowledge and experience in financial and
business matters, knowledge of the high degree of risk associated with investments in the securities of companies in the development stage such as the Company, is capable of evaluating the merits and risks of an investment in the Securities and is
able to bear the economic risk of an investment in the Securities in the amount contemplated hereunder for an indefinite period of time. The Purchaser has adequate means of providing for its current financial needs and contingencies and will have no
current or anticipated future needs for liquidity which would be jeopardized by the investment in the Securities. The Purchaser can afford a complete loss of its investments in the Securities. 

  
 5 

 (ix) The Purchaser understands that the Private Placement Warrants shall bear the legend
substantially in the form set forth in the Private Warrant Agreement. 
 Section 4. Conditions of the Purchaser’s
Obligations. The obligations of the Purchaser to purchase and pay for the Private Placement Warrants are subject to the fulfillment, on or before the Closing Dates, of each of the following conditions: 

A. Representations and Warranties. The representations and warranties of the Company contained in Section 2
shall be true and correct at and as of the applicable Closing Date as though then made. 
 B. Performance. The Company shall have
performed and complied with all agreements, obligations and conditions contained in this Agreement that are required to be performed or complied with by it on or before the applicable Closing Date. 

C. Corporate Consents. The Company shall have obtained the consent of the Company’s board of directors authorizing the execution,
delivery and performance of this Agreement and the Private Warrant Agreement and the issuance and sale of the Private Placement Warrants hereunder. 

D. No Injunction. No litigation, statute, rule, regulation, executive order, decree, ruling or injunction shall have been enacted,
entered, promulgated or endorsed by or in any court or governmental authority of competent jurisdiction or any self-regulatory organization having authority over the matters contemplated hereby, which prohibits the consummation of any of the
transactions contemplated by this Agreement or the Private Warrant Agreement. 
 E. Private Warrant Agreement and Registration Rights
Agreement. The Company shall have entered into the Private Warrant Agreement with a warrant agent and the Registration Rights Agreement, in each case, on terms satisfactory to the Purchaser. 

Section 5. Conditions of the Company’s Obligations. The obligations of the Company to the Purchaser under this Agreement are
subject to the fulfillment, on or before the applicable Closing Date, of each of the following conditions: 
 A. Representations and
Warranties. The representations and warranties of the Purchaser contained in Section 3 shall be true and correct at and as of the applicable Closing Date as though then made. 

B. Performance. The Purchaser shall have performed and complied with all agreements, obligations and conditions contained in this
Agreement that are required to be performed or complied with by the Purchaser on or before the applicable Closing Date. 
 C. No
Injunction. No litigation, statute, rule, regulation, executive order, decree, ruling or injunction shall have been enacted, entered, promulgated or endorsed by or in any court or governmental authority of competent jurisdiction or any
self-regulatory organization having authority over the matters contemplated hereby, which prohibits the consummation of any of the transactions contemplated by this Agreement or the Private Warrant Agreement. 

  
 6 

 D. Private Warrant Agreement. The Company shall have entered into the Private Warrant
Agreement with a warrant agent. 
 Section 6. Termination. This Agreement may be terminated by the Company or the Purchaser at
any time after December 31, 2022 upon written notice to the other party hereto if the closing of the Public Offering does not occur prior to such date. 

Section 7. Survival of Representations and Warranties. All of the representations and warranties contained herein shall survive
the applicable Closing Date. 
 Section 8. Definitions. Terms used but not otherwise defined in this Agreement shall have the
meaning assigned to such terms in the Registration Statement. 
 Section 9. Miscellaneous. 

A. Successors and Assigns. Except as otherwise expressly provided herein, all covenants and agreements contained in this Agreement by
or on behalf of any of the parties hereto shall bind and inure to the benefit of the respective successors of the parties hereto whether so expressed or not. Notwithstanding the foregoing or anything to the contrary herein, the parties may not
assign this Agreement, other than assignments by the Purchaser to affiliates thereof (including one or more of its members). 
 B.
Severability. Whenever possible, each provision of this Agreement shall be interpreted in such manner as to be effective and valid under applicable law, but if any provision of this Agreement is held to be prohibited by or invalid under
applicable law, such provision shall be ineffective only to the extent of such prohibition or invalidity, without invalidating the remainder of this Agreement. 

C. Counterparts. This Agreement may be executed simultaneously in two or more counterparts, none of which need contain the signatures
of more than one party, but all such counterparts taken together shall constitute one and the same agreement. A signed copy of this Agreement delivered by facsimile, electronic mail or other means of electronic transmission shall be deemed to have
the same legal effect as delivery of an original signed copy of this Agreement. 
 D. Descriptive Headings; Interpretation. The
descriptive headings of this Agreement are inserted for convenience only and do not constitute a substantive part of this Agreement. The use of the word “including” in this Agreement shall be by way of example rather than by limitation.

 E. 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, without giving effect to the conflict of law principles thereof. The parties hereto irrevocably submit to the exclusive jurisdiction of any
federal court sitting in the Southern District of New York or any state court located in New York County, State of New York, over any suit, action or proceeding arising out of or relating to this Agreement. To the fullest extent they may effectively
do so under applicable law, the parties hereto 

  
 7 

 
irrevocably waive and agree not to assert, by way of motion, as a defense or otherwise, any claim that they are not subject to the jurisdiction of any such court, any objection that they may now
or hereafter have to the laying of the venue of any such suit, action or proceeding brought in any such court and any claim that any such suit, action or proceeding brought in any such court has been brought in an inconvenient forum. 

F. Amendments. This Agreement may not be amended, modified or waived as to any particular provision, except by a written instrument
executed by all parties hereto. 
 [Signature Page Follows] 

  
 8 

 IN WITNESS WHEREOF, the parties hereto have executed this Agreement to be effective
as of the date first set forth above. 
  

			
	C5 ACQUISITION CORPORATION
		
	By:	 	 
		 	Name:
		 	Title:
	
	C5 SPONSOR LLC
		
	By:	 	 
		 	Name:
		 	Title:

  
 [Signature Page to
Private Placement Warrants Purchase Agreement—C5 Acquisition Corporation]

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