Document:

Exhibit 10.5

 

NEXTGEN ACQUISITION
CORPORATION

2255 Glades Road, Suite 324A, Boca Raton,
FL 33431

 

July 31, 2020

 

NextGen Sponsor LLC

2255 Glades Road, Suite 324A

Boca Raton, FL 33431

 

		RE:	Securities Subscription Agreement

 

Ladies and Gentlemen:

 

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

 

1. Subscription
of Shares.

 

For the sum of US$25,000, which the Company
acknowledges receiving in cash, the Company hereby issues the Shares to the Subscriber, and the Subscriber hereby subscribes for
the Shares from the Company, subject to forfeiture, on the terms and subject to the conditions set forth in this Agreement. Concurrently
with the Subscriber’s execution of this Agreement, the Company shall register the Shares in the name of the Subscriber on
the register of members of the Company. All references in this Agreement to Shares being forfeited shall take effect as surrenders
for no consideration of such shares as a matter of Cayman Islands law.

 

    

     

    

 

2. Representations, Warranties and
Agreements.

 

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

 

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

 

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

 

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

 

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

 

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

 

    2

     

    

 

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

 

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

 

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

 

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

 

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

 

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

 

    3

     

    

 

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

 

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

 

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

 

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

 

3. Forfeiture of Shares.

 

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

 

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

 

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

 

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

 

5. Restrictions on Transfer.

 

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

 

5.2 Lock-up. The Subscriber
acknowledges that the Shares will be subject to lock-up provisions (the “Lock-up”) contained in the Insider
Letter. Pursuant to the Insider Letter, the Subscriber will agree (subject to certain customary exceptions) not to sell, transfer,
pledge, hypothecate or otherwise dispose of all or any part of the Shares until the earlier to occur of: (a) one year after
the completion of the Company’s initial business combination, (b) if the last sale price of the Class A Shares equals
or exceeds US$12.00 per share (as adjusted for share splits, share dividends, rights issuances, subdivisions, reorganizations,
recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after the
Company’s initial business combination and (c) the date on which the Company consummates a liquidation, merger, share
exchange, reorganization or other similar transaction after the Company’s initial business combination that results in all
of the Company’s shareholders having the right to exchange their Shares for cash, securities or other property.

 

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

 

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

 

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

 

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

 

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

 

6. Other Agreements.

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

[Signature Page Follows]

 

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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,
	 	 
	 	NEXTGEN ACQUISITION CORPORATION
	 	 	 
	 	By:	/s/ George Mattson
	 	 	Name:  	George Mattson
	 	 	Title:	Co-Chairman

 

	 	Very truly yours,
	 	 
	 	NEXTGEN ACQUISITION CORPORATION
	 	 	 
	 	By:	/s/ Gregory Summe
	 	 	Name:  	Gregory Summe
	 	 	Title:	Co-Chairman

 

	NEXTGEN SPONSOR LLC	 
	 	 
	By:	/s/ George Mattson	 
	 	Name:  	  George Mattson	 
	 	Title:	Manager	 

 

	NEXTGEN SPONSOR LLC	 
	 	 
	By:	/s/ Gregory Summe	 
	 	Name:  	Gregory Summe	 
	 	Title:	ManagerExhibit 10.6

 

SPONSOR WARRANTS PURCHASE AGREEMENT

 

THIS SPONSOR WARRANTS
PURCHASE AGREEMENT, dated as of [   ], 2020 (as it may from time to time be amended, this “Agreement”),
is entered into by and between NextGen Acquisition Corporation, a Cayman Islands exempted company (the “Company”),
and NextGen Sponsor LLC, a Cayman Islands 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 Class A ordinary share of the Company, par value $0.0001 per share (each, an “Ordinary Share”), and one-third
of one redeemable warrant;

 

Each whole warrant entitles
the holder to purchase one Ordinary Share at an exercise price of $11.50 per Ordinary Share; and

 

The Purchaser has agreed
to purchase an aggregate of 6,000,000 warrants (or up to 6,700,000 warrants depending on the extent to which the underwriters in
the Public Offering exercise their over-allotment option) (the “Sponsor Warrants”), each Sponsor Warrant entitling
the holder to purchase one Ordinary Share at an exercise price of $11.50 per Ordinary 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 Sponsor Warrants.

 

A. Authorization
of the Sponsor Warrants. The Company has duly authorized the issuance and sale of the Sponsor Warrants to the Purchaser.

 

B. Purchase
and Sale of the Sponsor Warrants.

 

(i) On the date of
the consummation of the Public Offering or on such earlier time and date as may be mutually agreed by the Purchaser and the Company
(the “Closing Date”), the Company shall issue and sell to the Purchaser, and the Purchaser shall purchase from
the Company, 6,000,000 Sponsor Warrants at a price of $1.50 per warrant for an aggregate purchase price of $9,000,000.00 (the “Purchase
Price”), which shall be paid by wire transfer of immediately available funds to the Company at least one day prior to
the Closing Date in accordance with the Company’s wiring instructions. On the Closing Date, following the payment by the
Purchaser of the Purchase Price by wire transfer of immediately available funds to the Company, the Company, at its option, shall
deliver a certificate evidencing the Sponsor Warrants purchased by the Purchaser on such date duly registered in the Purchaser’s
name to the Purchaser or effect such delivery in book-entry form.

 

    

     

    

 

C. Terms
of the Sponsor Warrants.

 

(i) Each Sponsor Warrant
shall have the terms set forth in a Warrant Agreement to be entered into by the Company and a warrant agent, in connection with
the Public Offering (a “Warrant Agreement”).

 

(ii) At the time of,
or prior to, the closing of the Public Offering, the Company and the Purchaser shall enter into a registration rights agreement
(the “Registration Rights Agreement”) pursuant to which the Company will grant certain registration rights to
the Purchaser relating to the Sponsor Warrants and the Ordinary Shares underlying the Sponsor Warrants.

 

Section 2. Representations
and Warranties of the Company. As a material inducement to the Purchaser to enter into this Agreement and purchase the Sponsor
Warrants, the Company hereby represents and warrants to the Purchaser (which representations and warranties shall survive the Closing
Date) that:

 

A. Incorporation
and Corporate Power. The Company is an exempted company duly incorporated, validly existing and in good standing under the
laws of the Cayman Islands 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 and
the Warrant Agreement.

 

B. Authorization;
No Breach.

 

(i) The execution,
delivery and performance of this Agreement and the Sponsor Warrants have been duly authorized by the Company as of the Closing
Date. This Agreement constitutes the valid and binding obligation of the Company, enforceable in accordance with its terms. Upon
issuance in accordance with, and payment pursuant to, the terms of the Warrant Agreement and this Agreement, the Sponsor Warrants
will constitute valid and binding obligations of the Company, enforceable in accordance with their terms as of the Closing Date.

 

(ii) The execution
and delivery by the Company of this Agreement and the Sponsor Warrants, the issuance and sale of the Sponsor Warrants, the issuance
of the Ordinary Shares upon exercise of the Sponsor 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 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 share capital 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 amended and restated memorandum and articles of association of the Company (in effect on the date
hereof or as may be amended prior to completion of the contemplated 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.

 

    2

     

    

 

C. Title
to Securities. Upon issuance in accordance with, and payment pursuant to, and registration in the register of members of the
Company, the terms hereof and the Warrant Agreement, the Ordinary Shares issuable upon exercise of the Sponsor Warrants will be
duly and validly issued, fully paid and nonassessable. Upon issuance in accordance with, and payment pursuant to, the terms hereof
and the Warrant Agreement, the Purchaser will have good title to the Sponsor Warrants and the Ordinary Shares issuable upon exercise
of such Sponsor 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.

 

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
Sponsor Warrants to the Purchaser, the Purchaser hereby represents and warrants to the Company (which representations and warranties
shall survive the Closing Date) 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 Closing Date conflict with or result in a breach by the Purchaser of the terms, conditions or provisions
of any agreement, instrument, order, judgment or decree to which the Purchaser is subject.

 

C. Investment
Representations.

 

(i) The Purchaser is
acquiring the Sponsor Warrants and, upon exercise of the Sponsor Warrants, the Ordinary 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
of 1933, as amended (the “Securities Act”).

 

    3

     

    

 

(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
decided to enter into this Agreement not 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) in a registered transaction 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 Securities
and Exchange Commission (the “SEC”) has taken the position that promoters or affiliates of a blank check company
and their transferees, both before and after a 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 adopted pursuant to the Securities
Act would not be available for resale transactions of the Securities despite technical compliance with the requirements of such
Rule, 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, knows 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.

 

    4

     

    

 

(ix) The Purchaser
understands that the Sponsor Warrants shall bear the legend substantially in the form set forth in the Warrant Agreement.

 

Section 4. Conditions
of the Purchaser’s Obligations. The obligations of the Purchaser to purchase and pay for the Sponsor Warrants are subject
to the fulfillment, on or before the Closing Date, 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 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 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 Warrant Agreement.

 

D. Warrant
Agreement. The Company shall have entered into a Warrant Agreement with a warrant agent 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 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 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 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 Warrant Agreement.

 

D. Warrant
Agreement. The Company shall have entered into a Warrant Agreement with a warrant agent on terms satisfactory to the Company.

 

Section 6. Termination.
This Agreement may be terminated at any time after December 31, 2020 upon the election by either the Company or the Purchaser
upon written notice to the other party if the closing of the Public Offering does not occur prior to such date.

 

    5

     

    

 

Section 7. Survival
of Representations and Warranties. All of the representations and warranties contained herein shall survive the 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
on Form S-1 the Company has filed with the SEC, under the Securities Act.

 

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.

 

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.

 

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 shall be deemed to be a contract made under the laws of the State of New York and for all purposes shall
be construed in accordance with the internal laws of the State of New York.

 

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]

 

    6

     

    

 

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

 

	 	COMPANY:
	 	 
	 	NEXTGEN ACQUISITION CORPORATION
	 	 
	 	By:	 
	 		Name:  	Patrick Ford
	 		Title:	Chief Financial Officer and Secretary
	 	 	 
	 	PURCHASER:
	 	 
	 	NEXTGEN Sponsor LLC
	 	 
	 	By:	                                  
	 		Name:	George N. Mattson
	 		Title:	Manager and President

 

[Signature page to Sponsor Warrants Purchase
Agreement]

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