Document:

EX-10.6

 Exhibit 10.6 

THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS
BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBSTANCE TO THE COMPANY
THAT SUCH REGISTRATION IS NOT REQUIRED. 
 PROMISSORY NOTE 
  

			
	Principal Amount: up to $800,000	  	Dated as of January 4, 2021

 Austerlitz Acquisition Corporation I, a Cayman Islands exempted company and blank check company (the
“Maker”), promises to pay to the order of Austerlitz Acquisition Sponsor, LP I, a Cayman Islands exempted limited partnership or its registered assigns or successors in interest (the “Foley Sponsor”), and Cannae
Holdings, LLC, a Delaware limited liability company or its registered assigns or successors in interest (“Cannae” and, together with the Foley Sponsor, the “Payees”), or order, the principal sum of Eight Hundred
Thousand Dollars ($800,000), in the aggregate, or such lesser amount as shall have been advanced by each Payee to Maker and shall remain unpaid under this Note on the Maturity Date (as defined below) in lawful money of the United States of America,
on the terms and conditions described below. All payments on this Note shall be made by check or wire transfer of immediately available funds or as otherwise determined by the Maker to such account as each Payee may from time to time designate by
written notice in accordance with the provisions of this Note. 
 1. Principal. The entire unpaid principal balance of this Note shall be payable by
the Maker on the earlier of: (i) June 30, 2021 or (ii) the date on which Maker consummates an initial public offering of its securities (the “IPO”) (or such earlier date, the “Maturity Date”). The
principal balance may be prepaid at any time. Under no circumstances shall any individual, including but not limited to any officer, director, employee or shareholder of the Maker, be obligated personally for any obligations or liabilities of the
Maker hereunder. 
 2. Interest. No interest shall accrue on the unpaid principal balance of this Note. 

3. Drawdown Requests. Maker and Payees agree that Maker may request, from time to time, up to Eight Hundred Thousand Dollars ($800,000), in the
aggregate, in drawdowns under this Note to be used for costs reasonably related to Maker’s formation and the IPO. The principal of this Note may be drawn down from time to time prior to the Maturity Date upon written request from Maker to each
Payee (each, a “Drawdown Request”). Each Drawdown Request must state the amount to be drawn down, and must not be an amount less than Ten Thousand Dollars ($10,000) unless agreed upon by Maker and each Payee. Each Payee shall fund
each Drawdown Request no later than three (3) business days after receipt of a Drawdown Request; provided, however, that the maximum amount of drawdowns outstanding collectively under this Note at any time may not exceed Eight Hundred Thousand
Dollars ($800,000) in the aggregate. No fees, payments or other amounts shall be due to Payees in connection with, or as a result of, any Drawdown Request by Maker. 

 4. Application of Payments. All payments shall be applied first to payment in full of any costs
incurred in the collection of any sum due under this Note, including (without limitation) reasonable attorney’s fees, then to the payment in full of any late charges and finally to the reduction of the unpaid principal balance of this Note.

 5. Events of Default. The following shall constitute an event of default (“Event of Default”): 

(a) Failure to Make Required Payments. Failure by Maker to pay the principal amount due pursuant to this Note within five
(5) business days of the date specified above. 
 (b) Voluntary Bankruptcy, Etc. The commencement by Maker of a voluntary case
under any applicable bankruptcy, insolvency, reorganization, rehabilitation or other similar law, or the consent by it to the appointment of or taking possession by a receiver, liquidator, assignee, trustee, custodian, sequestrator (or other similar
official) of Maker or for any substantial part of its property, or the making by it of any assignment for the benefit of creditors, or the failure of Maker generally to pay its debts as such debts become due, or the taking of corporate action by
Maker in furtherance of any of the foregoing. 
 (c) Involuntary Bankruptcy, Etc. The entry of a decree or order for relief by a
court having jurisdiction in the premises in respect of Maker in an involuntary case under any applicable bankruptcy, insolvency or other similar law, or appointing a receiver, liquidator, assignee, custodian, trustee, sequestrator (or similar
official) of Maker or for any substantial part of its property, or ordering the winding-up or liquidation of its affairs, and the continuance of any such decree or order unstayed and in effect for a period of
60 consecutive days. 
 6. Remedies. 

(a) Upon the occurrence of an Event of Default specified in Section 5(a), and such default continues for three (3) business days
hereof, each Payee may, by written notice to Maker, declare this Note to be due immediately and payable, whereupon the unpaid principal amount of this Note, and all other amounts payable thereunder, shall become immediately due and payable without
presentment, demand, protest or other notice of any kind, all of which are hereby expressly waived, anything contained herein or in the documents evidencing the same to the contrary notwithstanding. 

(b) Upon the occurrence of an Event of Default, specified in Sections 5(b) or 5(c) and such default continues for ten (10) business days,
the unpaid principal balance of this Note, and all other sums payable with regard to this Note, shall automatically and immediately become due and payable, in all cases without any action on the part of each Payee. 

7. Waivers. Maker and all endorsers and guarantors of, and sureties for, this Note waive presentment for payment, demand, notice of dishonor, protest,
and notice of protest with regard to the Note, all errors, defects and imperfections in any proceedings instituted by each Payee under the terms of this Note, and all benefits that might accrue to Maker by virtue of any present or future laws
exempting any property, real or personal, or any part of the proceeds arising from any sale of any such property, from attachment, levy or sale under execution, or providing for any stay of execution, exemption from civil process, or extension of
time for payment; and Maker agrees that any real estate that may be levied upon pursuant to a judgment obtained by virtue hereof, on any writ of execution issued hereon, may be sold upon any such writ in whole or in part in any order desired by each
Payee. 

  
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 8. Unconditional Liability. Maker hereby waives all notices in connection with the delivery,
acceptance, performance, default, or enforcement of the payment of this Note, and agrees that its liability shall be unconditional, without regard to the liability of any other party, and shall not be affected in any manner by any indulgence,
extension of time, renewal, waiver or modification granted or consented to by each Payee, and consents to any and all extensions of time, renewals, waivers, or modifications that may be granted by each Payee with respect to the payment or other
provisions of this Note, and agrees that additional makers, endorsers, guarantors, or sureties may become parties hereto without notice to Maker or affecting Maker’s liability hereunder. 

9. Notices. All notices, statements or other documents which are required or contemplated by this Agreement shall be: (i) in writing and delivered
personally or sent by first class registered or certified mail, overnight courier service or facsimile or electronic transmission to the address designated in writing, (ii) by facsimile to the number most recently provided to such party or such
other address or fax number as may be designated in writing by such party and (iii) by electronic mail, to the electronic mail address most recently provided to such party or such other electronic mail address as may be designated in writing by
such party. Any notice or other communication so transmitted shall be deemed to have been given on the day of delivery, if delivered personally, on the business day following receipt of written confirmation, if sent by facsimile or electronic
transmission, one (1) business day after delivery to an overnight courier service or five (5) days after mailing if sent by mail. 
 10.
Construction. THIS NOTE SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH THE LAWS OF NEW YORK, WITHOUT REGARD TO CONFLICT OF LAW PROVISIONS THEREOF. 

11. Severability. Any provision contained in this Note which is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be
ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such prohibition or unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in
any other jurisdiction. 
 12. Trust Waiver. Notwithstanding anything herein to the contrary, each Payee hereby waives any and all right, title,
interest or claim of any kind (“Claim”) in or to any distribution of or from the trust account to be established in which the proceeds of the IPO conducted by the Maker (including the deferred underwriters discounts and commissions)
and certain of the proceeds of the sale of the warrants issued in a private placement to occur in connection with the consummation of the IPO are to be deposited, as described in greater detail in the registration statement and prospectus to be
filed with the Securities and Exchange Commission in connection with the IPO, and hereby agrees not to seek recourse, reimbursement, payment or satisfaction for any Claim against the trust account for any reason whatsoever. 

13. Amendment; Waiver. Any amendment hereto or waiver of any provision hereof may be made with, and only with, the written consent of the Maker and
each Payee. 

  
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 14. Assignment. No assignment or transfer of this Note or any rights or obligations hereunder may be
made by any party hereto (by operation of law or otherwise) without the prior written consent of the other party hereto and any attempted assignment without the required consent shall be void. 

[Signature page follows] 

  
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 IN WITNESS WHEREOF, Maker, intending to be legally bound hereby, has caused this Note to be duly
executed by the undersigned as of the day and year first above written. 
  

					
	 AUSTERLITZ ACQUISITION CORPORATION I

		
	By:	 	/s/ Michael L. Gravelle
		 	Name:	 	Michael L. Gravelle
		 	Title:	 	 General Counsel and Corporate

Secretary

  

					
	 Acknowledged and Agreed to

as of the date first written above.

	
	AUSTERLITZ ACQUISITION SPONSOR, LP I
	
	 Acting by its general partner,

Trasimene Capital AU, LP I

	
	 Acting by its general partner,

Trasimene Capital AU, Corp. I

					
		
	By:	 	/s/ Michael L. Gravelle
		 	Name:	 	Michael L. Gravelle
		 	Title:	 	 General Counsel and Corporate

Secretary

	
	 CANNAE HOLDINGS, LLC

		
	By:	 	/s/ Michael L. Gravelle
		 	Name:	 	Michael L. Gravelle
		 	Title:	 	 General Counsel and Corporate

Secretary

 [Signature Page to Promissory Note]EX-10.7

 Exhibit 10.7 

Austerlitz Acquisition Corporation I 

1701 Village Center Circle 

Las Vegas, NV 89134 

January 4, 2021 
 Austerlitz Acquisition
Sponsor, LP I 
 1701 Village Center Circle 
 Las Vegas, NV
89134 
 RE: Securities Subscription Agreement 

Ladies and Gentlemen: 
 This agreement (the
“Agreement”) is entered into on January 4, 2021 by and between Austerlitz Acquisition Sponsor, LP I, a Cayman Islands exempted limited partnership (the “Subscriber” or “you”), and Austerlitz
Acquisition Corporation I, a Cayman Islands exempted company (the “Company”). Pursuant to the terms hereof, the Company hereby accepts the offer the Subscriber has made to purchase 12,321,429 Class B ordinary shares, $0.0001
par value per share, of the Company (the “Class B Shares”), and 12,321,429 Class C ordinary shares, $0.0001 par value per share, of the Company (the “Class C Shares”
and, together with the Class B Shares, the “Shares”), up to which 1,607,143 Class B Shares and 1,607,143 Class C Shares are subject to surrender and cancellation by you if the underwriters of the initial public
offering (the “IPO”) of units (the “Units”) of the Company do not fully exercise their over-allotment option (the “Over-allotment Option”). 

WHEREAS, the Company plans to pursue an IPO of its Units and the Class A ordinary shares and warrants included in the Units; 

WHEREAS, the Subscriber has not opened its bank account as of the date of this Agreement; 

WHEREAS, in order to facilitate the preparation of its audited financial statements needed for the proposed IPO, and as an accommodation to the Subscriber,
Cannae Holdings, LLC (“Cannae”), an affiliate of the Subscriber, has agreed to initially fund the entire subscription and purchase of the Shares under this Agreement; 

WHEREAS, as soon as is reasonably practical after the opening of its bank account, the Subscriber will transfer the dollar amount set forth on Schedule I
hereto to Cannae; and 
 WHEREAS, at the time of and as a condition to such transfer, the Subscriber agrees to execute a joinder agreement in substantially
the form of Exhibit A attached hereto and thereafter Cannae shall be deemed to be a party on the date of this Agreement. 

 NOW, THEREFORE, in consideration of the representations, warranties and agreements contained herein and
other valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereto hereby agree as follows: 
  

	1.	 Purchase of Securities. 

1.1. Subscription and Purchase of Shares. For the sum of $25,000 (the “Purchase Price”), which the Company
acknowledges receiving in the form of payment of its $25,000 invoice to Maples and Calder, dated as of December 18, 2020 and attached hereto as Exhibit B, the Company hereby issues the Shares to the Subscriber, and the Subscriber hereby
subscribes for and purchases the Shares from the Company, up to which 1,607,143 Class B Shares and 1,607,143 Class C Shares are subject to surrender and cancellation, on the terms and subject to the conditions set forth in this Agreement.
All references in this Agreement to shares of the Company being surrendered and canceled shall take effect as surrenders and cancellations for no consideration of such shares as a matter of Cayman Islands law. The Subscriber hereby surrenders for no
consideration the one Class B ordinary share and one Class C ordinary share transferred to it at the time of the incorporation of the Company. 
  

	2.	 Representations, Warranties and Agreements. 

2.1. Subscriber’s Representations, Warranties and Agreements. To induce the Company to issue the Shares to the Subscriber, the
Subscriber hereby represents and warrants to the Company and agrees with the Company as follows: 
 2.1.1. No Government Recommendation or
Approval. The Subscriber understands that no federal or state agency has passed upon or made any recommendation or endorsement of the offering of the Shares. 

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

2.1.3. Registration and Authority. The Subscriber is a Cayman Islands exempted limited partnership, validly existing and possessing all
requisite power and authority necessary to carry out the transactions contemplated by this Agreement. Upon execution and delivery by you, this Agreement will be a legal, valid and binding agreement of Subscriber, enforceable against Subscriber in
accordance with its terms, except as such enforceability may be limited by applicable bankruptcy, insolvency, fraudulent conveyance or similar laws affecting the enforcement of creditors’ rights generally and subject to general principles of
equity (regardless of whether enforcement is sought in a proceeding at law or in equity). 
 2.1.4. Experience, Financial Capability and
Suitability. Subscriber is: (i) sophisticated in financial matters and is able to evaluate the risks and benefits of the investment in the Shares and (ii) able to bear the economic risk of its investment in the Shares for an indefinite
period of time because the Shares have not been registered under the Securities Act (as defined below) and therefore cannot be sold unless subsequently registered under the Securities Act or an exemption from such registration is available.
Subscriber is capable of evaluating the merits and risks of its investment in the Company and has the capacity to protect its own interests. Subscriber 

  
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must bear the economic risk of this investment until the Shares are sold pursuant to: (i) an effective registration statement under the Securities Act or (ii) an exemption from
registration available with respect to such sale. Subscriber is able to bear the economic risks of an investment in the Shares and to afford a complete loss of Subscriber’s investment in the Shares. 

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

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

2.1.7. Investment Purposes. The Subscriber is subscribing for and purchasing the Shares solely for investment purposes, for the
Subscriber’s own account and not for the account or benefit of any other person, and not with a view towards the distribution or dissemination thereof. Neither the Subscriber nor any of its officers, managers, employees, agents or members has
either directly or indirectly, including through a broker or finder (i) to its knowledge, engaged in any general solicitation, or (ii) published any general advertisement in connection with the offer and sale of the Shares. 

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

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

2.2. Company’s Representations, Warranties and Agreements. To induce the Subscriber to subscribe for and purchase the Shares, the
Company hereby represents and warrants to the Subscriber and agrees with the Subscriber as follows: 
 2.2.1. Incorporation and Corporate
Power. The Company is a Cayman Islands exempted company and is qualified to do business in every jurisdiction in which the failure to so qualify would reasonably be expected to have a material adverse effect on the financial condition, operating
results or assets of the Company. The Company possesses all requisite corporate power and authority necessary to carry out the transactions contemplated by this Agreement. Upon execution and delivery by the Company, this Agreement will be a legal,
valid and binding agreement of the Company, enforceable against the Company in accordance with its terms, except as such enforceability may be limited by applicable bankruptcy, insolvency, fraudulent conveyance or similar laws affecting the
enforcement of creditors’ rights generally and subject to general principles of equity (regardless of whether enforcement is sought in a proceeding at law or in equity). 

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

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

2.2.4. No General Solicitation. Neither the Company, nor any of its officers, directors, employees, agents or shareholders has either
directly or indirectly, including, through a broker or finder (i) engaged in any general solicitation, or (ii) published any general advertisement in connection with the offer and sale of the Shares 

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

  
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	3.	 Surrender and Cancellation of Shares. 

3.1. Partial or No Exercise of the Over-allotment Option. In the event the Over-allotment Option granted to the representative(s) of
the underwriters of the Company’s IPO is not exercised in full, the Subscriber acknowledges and agrees that it shall surrender for cancellation any and all rights to such number of Shares (up to an aggregate of 1,607,143 Class B Shares and
1,607,143 Class C Shares and pro rata based upon the percentage of the Over-allotment Option exercised) such that immediately following such surrender, the Subscriber (and all other initial shareholders prior to the IPO, if any) will own an
aggregate number of Shares (not including ordinary shares issuable upon exercise of any warrants or any ordinary shares purchased by Subscriber in the Company’s IPO or in the aftermarket) equal to 30% of the issued and outstanding ordinary
shares of the Company immediately following the IPO. 
 3.2. Termination of Rights as Shareholder. If any of the Shares are
surrendered and cancelled in accordance with this Section 3, then after such time Subscriber (or successor in interest), shall no longer have any rights as a holder of such Shares, and the Company shall take such action as is appropriate to
cancel such Shares. 
 4. Waiver of Liquidation Distributions; Redemption Rights. In connection with the Shares subscribed for and purchased pursuant
to this Agreement, the Subscriber hereby waives any and all right, title, interest or claim of any kind in or to any distributions by the Company from the trust account which will be established for the benefit of the Company’s public
shareholders and into which substantially all of the proceeds of the IPO will be deposited (the “Trust Account”), in the event of a liquidation of the Company upon the Company’s failure to timely complete an initial business
combination. For purposes of clarity, in the event the Subscriber subscribes for and purchases ordinary shares in the IPO or in the aftermarket, any additional Shares so subscribed for and purchased shall be eligible to receive any liquidating
distributions by the Company. However, in no event will the Subscriber have the right to redeem any ordinary shares into funds held in the Trust Account upon the successful completion of an initial business combination. 

 

	5.	 Restrictions on Transfer. 

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

  
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 5.2. Restrictive Legends. Any certificates representing the Shares shall have
endorsed thereon legends substantially as follows: 
 “THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT
OF 1933, AS AMENDED, OR ANY STATE SECURITIES LAWS AND NEITHER THE SECURITIES NOR ANY INTEREST THEREIN MAY BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED OF EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER SUCH ACT OR SUCH
LAWS OR AN EXEMPTION FROM REGISTRATION UNDER SUCH ACT AND SUCH LAWS WHICH, IN THE OPINION OF COUNSEL, IS AVAILABLE.” 
 “THE SECURITIES
REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO LOCKUP PROVISIONS AND MAY NOT BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED DURING THE TERM OF THE LOCKUP.” 

5.3. Additional Shares or Substituted Securities. In the event of the declaration of a share capitalization, the declaration of an
extraordinary dividend payable in a form other than Shares, a spin-off, a share sub-division, an adjustment in conversion ratio, a recapitalization or a similar
transaction affecting the Company’s outstanding Shares without receipt of consideration, any new, substituted or additional securities or other property which are by reason of such transaction distributed with respect to any Shares subject to
this Section 5 or into which such Shares thereby become convertible shall immediately be subject to this Section 5 and Section 3. Appropriate adjustments to reflect the distribution of such securities or property shall be made to the
number and/or class of Shares subject to this Section 5 and Section 3. 
 5.4. Registration Rights. Subscriber acknowledges
that the Shares are being purchased pursuant to an exemption from the registration requirements of the Securities Act and will become freely tradable only after certain conditions are met or they are registered pursuant to a Registration Rights
Agreement to be entered into with the Company prior to the closing of the IPO (the “Registration Rights Agreement”). 
  

	6.	 Other Agreements. 

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

  
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 6.3. Entire Agreement. This Agreement, together with that certain Insider Letter and
the Registration Rights Agreement, each to be entered into between Subscriber and the Company and each substantially in the form to be filed as an exhibit to the Registration Statement on Form S-1 associated
with the Company’s IPO, embodies the entire agreement and understanding between the Subscriber and the Company with respect to the subject matter hereof and supersedes all prior oral or written agreements and understandings relating to the
subject matter hereof. No statement, representation, warranty, covenant or agreement of any kind not expressly set forth in this Agreement shall affect, or be used to interpret, change or restrict, the express terms and provisions of this Agreement.

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

 6.6. Assignment. Except with respect to transfers of the Shares to a controlled affiliate of the Subscriber, the rights and
obligations under this Agreement may not be assigned by either party hereto without the prior written consent of the other party. 
 6.7.
Benefit. All statements, representations, warranties, covenants and agreements in this Agreement shall be binding on the parties hereto and shall inure to the benefit of the respective successors and permitted assigns of each party hereto.
Nothing in this Agreement shall be construed to create any rights or obligations except among the parties hereto, and no person or entity shall be regarded as a third-party beneficiary of this Agreement. 

6.8. Governing Law. This Agreement and the rights and obligations of the parties hereunder shall be construed in accordance with and
governed by the laws of the state of New York applicable to contracts wholly performed within the borders of such state, without giving effect to the conflict of law principles thereof. 

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

6.10. No Waiver of Rights, Powers and Remedies. No failure or delay by a party hereto in exercising any right, power or remedy under
this Agreement, and no course of dealing between the parties hereto, shall operate as a waiver of any such right, power or remedy of such party. No 

  
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single or partial exercise of any right, power or remedy under this Agreement by a party hereto, nor any abandonment or discontinuance of steps to enforce any such right, power or remedy, shall
preclude such party from any other or further exercise thereof or the exercise of any other right, power or remedy hereunder. The election of any remedy by a party hereto shall not constitute a waiver of the right of such party to pursue other
available remedies. No notice to or demand on a party not expressly required under this Agreement shall entitle the party receiving such notice or demand to any other or further notice or demand in similar or other circumstances or constitute a
waiver of the rights of the party giving such notice or demand to any other or further action in any circumstances without such notice or demand. 

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

6.12. No Broker or Finder. Each of the parties hereto represents and warrants to the other that no broker, finder or other financial
consultant has acted on its behalf in connection with this Agreement or the transactions contemplated hereby in such a way as to create any liability on the other. Each of the parties hereto agrees to indemnify and save the other harmless from any
claim or demand for commission or other compensation by any broker, finder, financial consultant or similar agent claiming to have been employed by or on behalf of such party and to bear the cost of legal expenses incurred in defending against any
such claim. 
 6.13. Headings and Captions. The headings and captions of the various subdivisions of this Agreement are for
convenience of reference only and shall in no way modify or affect the meaning or construction of any of the terms or provisions hereof. 

6.14. Counterparts. This Agreement may be executed in one or more counterparts, all of which when taken together shall be considered
one and the same agreement and shall become effective when counterparts have been signed by each party and delivered to the other party, it being understood that both parties need not sign the same counterpart. In the event that any signature is
delivered by facsimile transmission or any other form of electronic delivery, such signature shall create a valid and binding obligation of the party executing (or on whose behalf such signature is executed) with the same force and effect as if such
signature page were an original thereof. 
 6.15. Construction. The parties hereto have participated jointly in the negotiation and
drafting of this Agreement. If an ambiguity or question of intent or interpretation arises, this Agreement will be construed as if drafted jointly by the parties hereto and no presumption or burden of proof will arise favoring or disfavoring any
party hereto because of the authorship of any provision of this Agreement. The words “include,” “includes,” and “including” will be deemed to be followed by “without limitation.” Pronouns in masculine,
feminine, and neuter genders will be construed to include any other gender, and words in the singular form will be construed to include the plural and vice versa, unless the context otherwise requires. The words “this Agreement,”
“herein,” “hereof,” “hereby,” “hereunder,” and words of similar import refer to this Agreement as a whole and not to any particular subdivision unless expressly so limited. The parties hereto intend that each
representation, warranty, and covenant contained herein will have 

  
 8 

 
independent significance. If any party hereto has breached any representation, warranty, or covenant contained herein in any respect, the fact that there exists another representation, warranty
or covenant relating to the same subject matter (regardless of the relative levels of specificity) which such party hereto has not breached will not detract from or mitigate the fact that such party hereto is in breach of the first representation,
warranty, or covenant. 
 6.16. Mutual Drafting. This Agreement is the joint product of the Subscriber and the Company and each
provision hereof has been subject to the mutual consultation, negotiation and agreement of such parties and shall not be construed for or against any party hereto. 

7. Voting and Redemption of Shares. Subscriber agrees to vote the Shares in favor of an initial business combination that the Company negotiates and
submits for approval to the Company’s shareholders and shall not seek redemption or repurchase with respect to such Shares. Additionally, the Subscriber agrees not to tender any Shares in connection with a tender offer presented to the
Company’s shareholders in connection with an initial business combination negotiated by the Company. 
 [Signature Page Follows]

  
 9 

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

					
	 Very truly yours,

 

	
AUSTERLITZ ACQUISITION CORPORATION 
I

 
					
		
	 By:
	 	 /s/ Michael L. Gravelle

		 	 Name:
	 	 Michael L. Gravelle

		 	Title:	 	 General Counsel and Corporate

Secretary

  

					
	 AUSTERLITZ ACQUISITION SPONSOR, LP I

 

	 Acting by its general partner,

Trasimene Capital AU, LP I
  

	 Acting by its general partner,

Trasimene Capital AU, Corp. I

					
		
	 By:
	 	 /s/ Michael L. Gravelle

		 	 Name:
	 	 Michael L. Gravelle

		 	Title:	 	 General Counsel and Corporate

Secretary

 [Signature Page to Securities Subscription Agreement] 

 SCHEDULE I 

 

					
	 	 	 Amount Reimbursed to

Cannae Holdings, LLC
	 	 
	 	 	$25,000	 	 

 EXHIBIT A 

JOINDER 
 The undersigned is
executing and delivering this Joinder pursuant to the Securities Subscription Agreement dated as of January 4, 2021 (as the same may hereafter be amended, the “Agreement”), by and between Austerlitz Acquisition Sponsor, LP I, a
Cayman Islands exempted limited partnership (the “Sponsor”), and Austerlitz Acquisition Corporation I, a Cayman Islands exempted company (the “Company”). Any capitalized term used but not defined herein will have
the meaning ascribed to such term in the Agreement. 
 By executing and delivering this Joinder to the Company, the Sponsor does hereby agree to transfer
$25,000 (twenty five thousand dollars) to Cannae Holdings, LLC (“Cannae”) as soon as is reasonably practical after the opening of the bank account. 

By executing and delivering this Joinder to the Company, Cannae hereby agrees to become a party to, to be bound by, and to comply with the provisions of the
Agreement as a Subscriber in the same manner as if each were an original signatory to the Agreement. 
 Accordingly, the undersigned have executed and
delivered this Joinder as of the [●] day of [●], 20[●]. 
  

			
	 AUSTERLITZ ACQUISITION

CORPORATION I

		
	 By:
	 	 
		 	 Name:

		 	 Title:

  

			
	 AUSTERLITZ ACQUISITION SPONSOR, LP I
  

	 Acting by its general partner,

Trasimene Capital AU, LP I
  

	 Acting by its general partner,

Trasimene Capital AU, Corp. I
  

		
	 By:
	 	 
		 	 Name:

		 	 Title:

  
 A-1 

 
			
	CANNAE HOLDINGS, LLC
		
	 By:
	 	 
		 	 Name:

		 	 Title:

  
 A-2 

 EXHIBIT B 

INVOICE OF MAPLES AND CALDER 

  
 B-1

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