Document:

Exhibit
10.1

 

THIS
PROMISSORY NOTE (THIS “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 U.S.$300,000	Dated
    as of November 11, 2020

 

FOR
VALUE RECEIVED and subject to the terms and conditions set forth herein, Noble Rock Acquisition Corporation, a Cayman Islands
exempted company (“Maker”), promises to pay to Noble Rock Sponsor LLC, a Cayman Islands limited liability company
(“Payee”), or order, the principal sum of Three Hundred Thousand U.S. Dollars (U.S.$300,000) or such lesser
amount as shall have been advanced by 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 Maker to such account as
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 due and payable in full on the earlier of: (i) March
31, 2021, and (ii) the date on which Maker consummates an initial public offering of its securities (such earlier date of (i)
and (ii), the “Maturity Date”), unless accelerated upon the occurrence of an Event of Default (as defined below).
The principal balance may be prepaid at any time by Maker, at its election and without penalty. Under no circumstances shall any
individual, including but not limited to any officer, director, employee or shareholder of Maker, be obligated personally for
any obligations or liabilities of Maker hereunder.

 

2.
Drawdown Requests. Maker and Payee agree that Maker may request, from time to time, up to Three Hundred Thousand U.S. Dollars
(U.S.$300,000) in draw downs under this Note to be used for costs and expenses related to Maker’s proposed initial public
offering of its securities (the “IPO”), including its formation. The principal of this Note may be drawn down
from time to time prior to the Maturity Date upon request from Maker to 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 U.S. Dollars (U.S.$10,000)
unless agreed upon by Maker and Payee. 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 under this Note at any
time may not exceed Three Hundred Thousand U.S. Dollars (U.S.$300,000). No fees, payments or other amounts shall be due to Payee
in connection with, or as a result of, any Drawdown Request by Maker.

 

3.
Interest. No interest shall accrue on the unpaid principal balance of this Note.

 

     

     

    

 

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 on the Maturity
Date.

 

(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 sixty (60) consecutive days.

 

6.
Remedies.

 

(a)
Upon the occurrence of an Event of Default specified in Section 5(a) hereof, 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), 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 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 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 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 Payee, and consents to any and all extensions of time, renewals, waivers, or modifications that may
be granted by 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 Note 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 or (iii) by electronic mail (including .pdf), 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.

 

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, 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 proceeds
of the IPO (including the deferred underwriting discounts and commissions) and proceeds of the sale of the warrants issued in
a private placement to occur in connection with 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 Maker and Payee.

 

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.

 

	 	NOBLE
ROCK ACQUISITION CORPORATION

	 	 	 
	 	By:
	/s/
    Whitney A. Bower
	 	 	Name:	Whitney
    A. Bower
	 	 	Title:	Chief
    Executive Officer and Chairman

  

	Agreed
                                         and acknowledged:

         

        NOBLE
ROCK SPONSOR LLC
	 
	 	 
	By:
	/s/
    Whitney A. Bower	 
	 	Name:	Whitney
    A. Bower	 
	 	Title:	Chief
    Executive OfficerExhibit 10.2

 

[●], 2021

 

Noble Rock Acquisition Corporation

4001 Kennett Pike, Suite 302

Wilmington, DE 19807

 

 

		Re:	Initial Public Offering

 

Ladies and Gentlemen:

 

This letter (this “Letter Agreement”)
is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”)
entered into or proposed to be entered into by and between Noble Rock Acquisition Corporation, a Cayman Islands exempted company
(the “Company”), and Stifel, Nicolaus & Company, Incorporated, as the representative (the “Representative”)
of the several underwriters named therein (the “Underwriters”), relating to an underwritten initial public
offering (the “Public Offering”), of 23,000,000 of the Company’s units (including up to 3,000,000
units that may be purchased to cover over-allotments, if any) (the “Units”), each comprised of one Class
A ordinary share of the Company, par value $0.0001 per share (each, an “Ordinary Share”), and one-half
of one redeemable warrant (each whole warrant, a “Warrant”). Each Warrant entitles the holder thereof
to purchase one Ordinary Share at a price of $11.50 per share, subject to adjustment. The Units shall be sold in the Public Offering
pursuant to a registration statement on Form S-1 and a prospectus (the “Prospectus”) filed by the Company
with the Securities and Exchange Commission (the “Commission”). Certain capitalized terms used herein
are defined in paragraph 11 hereof.

 

In order to induce the Company and the Underwriters
to enter into the Underwriting Agreement and to proceed with the Public Offering and for other good and valuable consideration,
the receipt and sufficiency of which are hereby acknowledged, Noble Rock Sponsor LLC, a Cayman Islands limited liability company
(the “Sponsor”), and the other undersigned persons (each, an “Insider” and
collectively, the “Insiders”), hereby agrees with the Company as follows:

 

1.
The Sponsor and each Insider agrees with the Company that if the Company seeks shareholder approval of a proposed Business
Combination, then in connection with such proposed Business Combination, it, he or she shall (i) vote any Shares owned by it, him
or her in favor of any proposed Business Combination (including any proposals recommended by the Company’s board of directors
in connection with such Business Combination) and (ii) not redeem any Shares owned by it, him or her in connection with such shareholder
approval.

 

     

     

    

 

2.
The Sponsor and each Insider hereby agrees with the Company that in the event that the Company fails to consummate a Business
Combination within 24 months from the closing of the Public Offering, or such later period approved by the Company’s shareholders
in accordance with the Company’s amended and restated memorandum and articles of association, as they may be amended from
time to time, the Sponsor and each Insider shall take all reasonable steps to cause the Company to (i) cease all operations except
for the purpose of winding up, (ii) as promptly as reasonably possible but not more than ten (10) business days thereafter, redeem
100% of the Ordinary Shares sold as part of the Units in the Public Offering (the “Offering Shares”),
at a per share price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account, including interest (less
up to $100,000 of interest to pay dissolution expenses and which interest shall be net of taxes payable), divided by the number
of then issued and outstanding Offering Shares, which redemption will completely extinguish all Public Shareholders’ rights
as shareholders (including the right to receive further liquidation distributions, if any), and (iii) as promptly as reasonably
possible following such redemption, subject to the approval of the Company’s remaining shareholders and the Company’s
board of directors, liquidate and dissolve, subject in each case to the Company’s obligations under Cayman Islands law to
provide for claims of creditors and the requirements of other applicable law. The Sponsor and each Insider agrees to not propose
any amendment to the Company’s amended and restated memorandum and articles of association (i) to modify the substance or
timing of the Company’s obligation to allow redemption in connection with the Company’s initial Business Combination
or to redeem 100% of the Offering Shares if the Company does not complete its initial Business Combination within 24 months from
the closing of the Public Offering, or (ii) with respect to any other provision relating to shareholders’ rights or pre-initial
Business Combination activity, unless the Company provides its Public Shareholders with the opportunity to redeem their Offering
Shares upon approval of any such amendment at a per share price, payable in cash, equal to the aggregate amount then on deposit
in the Trust Account, including interest (which interest shall be net of taxes payable), divided by the number of then issued and
outstanding Offering Shares.

 

The Sponsor and each Insider acknowledges
that it, he or she has no right, title, interest or claim of any kind in or to any monies held in the Trust Account or any other
asset of the Company as a result of any liquidation of the Company with respect to the Founder Shares held by it. The Sponsor and
each Insider hereby further waives, with respect to any Shares held by it, him or her, if any, any redemption rights it, he or
she may have in connection with (x) the consummation of a Business Combination, including, without limitation, any such rights
available in the context of a shareholder vote to approve such Business Combination or in the context of a tender offer made by
the Company to purchase Ordinary Shares and (y) a shareholder vote to amend the Company’s amended and restated memorandum
and articles of association (i) to modify the substance or timing of the Company’s obligation to allow redemption in connection
with the Company’s initial Business Combination or to redeem 100% of the Offering Shares if the Company does not complete
its initial Business Combination within 24 months from the closing of the Public Offering, or (ii) with respect to any other provision
relating to shareholders’ rights or pre-initial Business Combination activity (although the Sponsor and the Insiders shall
be entitled to redemption and liquidation rights with respect to any Offering Shares it or they hold if the Company fails to consummate
a Business Combination within 24 months from the date of the closing of the Public Offering).

 

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3.
Notwithstanding the provisions set forth in paragraphs 7(a) and (b) below, during the period commencing on the effective
date of the Underwriting Agreement and ending 180 days after such date, the Sponsor and each Insider shall not, without the prior
written consent of the Representative, offer, sell, contract to sell, pledge or otherwise dispose of (or enter into any transaction
that is designed to, or might reasonably be expected to, result in the disposition (whether by actual disposition or effective
economic disposition due to cash settlement or otherwise)), directly or indirectly, or establish or increase a put equivalent position
or liquidate or decrease a call equivalent position within the meaning of Section 16 (“Section 16”)
of the Securities Exchange Act of 1934, as amended, and the rules and regulations of the Commission promulgated thereunder, with
respect to, any Units, Shares, Warrants or any securities convertible into, or exercisable, or exchangeable for, Ordinary Shares,
or publicly announce an intention to effect any such transaction; provided, however, that the foregoing does not
apply to the forfeiture of any Founder Shares pursuant to their terms or any transfer of Founder Shares to any current or future
independent director of the company (as long as such current or future independent director transferee is subject to this Letter
Agreement or executes an agreement substantially identical to the terms of this Letter Agreement, as applicable to directors and
officers at the time of such transfer; and as long as, to the extent any Section 16 reporting obligation is triggered as a result
of such transfer, any related Section 16 filing includes a practical explanation as to the nature of the transfer). Each of the
Insiders and the Sponsor acknowledges and agrees that, prior to the effective date of any release or waiver, of the restrictions
set forth in this paragraph 3 or paragraph 7 below, the Company shall announce the impending release or waiver by press release
through a major news service at least two business days before the effective date of the release or waiver. Any release or waiver
granted shall only be effective two business days after the publication date of such press release. The provisions of this paragraph
will not apply if the release or waiver is effected solely to permit a transfer not for consideration and the transferee has agreed
in writing to be bound by the same terms described in this Letter Agreement to the extent and for the duration that such terms
remain in effect at the time of the transfer.

 

4.
In the event of the liquidation of the Trust Account, the Sponsor (which for purposes of clarification shall not extend
to any other shareholders, members or managers of the Sponsor) agrees to indemnify and hold harmless the Company against any and
all loss, liability, claim, damage and expense whatsoever (including, but not limited to, any and all legal or other expenses reasonably
incurred in investigating, preparing or defending against any litigation, whether pending or threatened, or any claim whatsoever)
to which the Company may become subject as a result of any claim by (i) any third party for services rendered (other than the Company’s
independent registered public accountants) or products sold to the Company or (ii) a prospective target business with which the
Company has discussed entering into a transaction agreement (a “Target”); provided, however,
that such indemnification of the Company by the Sponsor shall apply only to the extent necessary to ensure that such claims by
a third party for services rendered (other than the Company’s independent registered public accountants) or products sold
to the Company or a Target do not reduce the amount of funds in the Trust Account to below (i) $10.00 per share of the Offering
Shares or (ii) such lesser amount per share of the Offering Shares held in the Trust Account as of the date of the liquidation
of the Trust Account due to reductions in the value of the trust assets, in each case, net of the amount of interest earned on
the property in the Trust Account which may be withdrawn to pay taxes, except as to any claims by a third party who executed a
waiver of any and all rights to seek access to the Trust Account and except as to any claims under the Company’s indemnity
of the Underwriters against certain liabilities, including liabilities under the Securities Act of 1933, as amended. In the event
that any such executed waiver is deemed to be unenforceable against such third party, the Sponsor shall not be responsible to the
extent of any liability for such third party claims. The Sponsor shall have the right to defend against any such claim with counsel
of its choice reasonably satisfactory to the Company if, within 15 days following written receipt of notice of the claim to the
Sponsor, the Sponsor notifies the Company in writing that it shall undertake such defense.

 

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5.
To the extent that the Underwriters do not exercise their over-allotment option to purchase up to an additional 3,000,000
Units within 45 days from the date of the Prospectus (and as further described in the Prospectus), the Sponsor agrees that it shall
forfeit, at no cost, a number of Founder Shares in the aggregate equal to 750,000 multiplied by a fraction, (i) the numerator of
which is 3,000,000 minus the number of Units purchased by the Underwriters upon the exercise of their over-allotment option, and
(ii) the denominator of which is 3,000,000. All references in this Letter Agreement to Founder Shares of the Company being forfeited
shall take effect as surrenders for no consideration of such Founder Shares as a matter of Cayman Islands law. The forfeiture will
be adjusted to the extent that the over-allotment option is not exercised in full by the Underwriters so that the number of Founder
Shares will equal an aggregate of 20.0% of the Company’s issued and outstanding Shares after the Public Offering.

 

6.
(a) Each Insider that is an executive officer of the Company hereby agrees not to participate in the formation of, or become
an officer or director of, any other special purpose acquisition company with a class of securities registered under the Exchange
Act until the Company has entered into a definitive agreement regarding an initial Business Combination or unless the Company obtains
written consent from the Representative. Each Insider that is a non-executive director of the Company hereby agrees to participate
in the formation of, or become an officer or director of, no more than one other special purpose acquisition company with a class
of securities registered under the Exchange Act, provided that such company does not compete for the types of businesses we intend
to acquire, until the Company has entered into a definitive agreement regarding an initial Business Combination.

 

(b) The
Sponsor and each Insider hereby agrees and acknowledges that: (i) the Underwriters and the Company would be
irreparably injured in the event of a breach by such Sponsor or Insider of its, his or her obligations under paragraphs 1, 2,
3, 4, 5, 7(a), 7(b), and 9 of this Letter Agreement (ii) monetary damages may not be an adequate remedy for such breach and
(iii) the non-breaching party shall be entitled to seek injunctive relief, in addition to any other remedy that such party
may have in law or in equity, in the event of such breach.

 

7.
(a) The Sponsor and each Insider agrees that it, he or she shall not Transfer (as defined below) any Founder Shares (or
Ordinary Shares issuable upon conversion thereof) until the earlier of (A) one year after the completion of the Company’s
initial Business Combination and (B) subsequent to the Business Combination, (x) if the last reported sale price of the Ordinary
Shares equals or exceeds $12.00 per share (as adjusted for share sub-divisions, share dividends, rights issuances, reorganizations,
recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after the
Company’s initial Business Combination or (y) the date following the completion of the Company’s initial Business Combination
on which the Company completes a liquidation, merger, share exchange, reorganization or other similar transaction that results
in all of the Company’s shareholders having the right to exchange their Ordinary Shares for cash, securities or other property
(the “Founder Shares Lock-up Period”).

 

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

 

(c)
Notwithstanding the provisions set forth in paragraphs 7(a) and (b), transfers of the Founder Shares, Private Placement
Warrants and Ordinary Shares issued or issuable upon the exercise or conversion of the Private Placement Warrants or the
Founder Shares, are permitted (a) to the Company’s directors or officers, any affiliates or family members of the
Company’s directors or officers, the Sponsor, any members of the Sponsor or any affiliates of the Sponsor; (b) in
the case of an individual, by gift to a member of the individual’s immediate family, or to a trust, the beneficiary of
which is a member of the individual’s immediate family or an affiliate of such person, or to a charitable organization;
(c) in the case of an individual, by virtue of laws of descent and distribution upon death of the individual;
(d) in the case of an individual, pursuant to a qualified domestic relations order; (e) in the case of a trust, by distribution to one or more of the
permissible beneficiaries of such trust; (f) by private sales or
transfers made in connection with the consummation of the Company’s Business Combination at prices no greater than the
price at which the securities were originally purchased; (g) in the event of the Company’s liquidation prior to
the Company’s completion of an initial Business Combination; (h) by virtue of the laws of the Cayman Islands or
the Sponsor’s limited liability company agreement, as amended, upon termination of the
Sponsor; and (i) in the event of the Company’s completion of a liquidation, merger, share exchange, reorganization
or other similar transaction which results in all of the Company’s shareholders having the right to exchange their
Ordinary Shares for cash, securities or other property subsequent to the completion of the Company’s initial Business
Combination; provided, however, that, in the case of clauses (a) through (e), these permitted transferees must
enter into a written agreement with the Company agreeing to be bound by the transfer restrictions in this Agreement.

 

8.
The Sponsor and each Insider represents and warrants that it, he or she has never been suspended or expelled from membership
in any securities or commodities exchange or association or had a securities or commodities license or registration denied, suspended
or revoked. Each Insider’s biographical information furnished to the Company, if any (including any such information included
in the Prospectus), is true and accurate in all respects and does not omit any material information with respect to such Insider’s
background. Each Insider’s questionnaire furnished to the Company, if any, is true and accurate in all respects. Each Insider
represents and warrants that: it is not subject to or a respondent in any legal action for, any injunction, cease-and-desist order
or order or stipulation to desist or refrain from any act or practice relating to the offering of securities in any jurisdiction;
it has never been convicted of, or pleaded guilty to, any crime (i) involving fraud, (ii) relating to any financial transaction
or handling of funds of another person, or (iii) pertaining to any dealings in any securities and it is not currently a defendant
in any such criminal proceeding.

 

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9.
Except as disclosed in the Prospectus, neither the Sponsor nor any Insider nor any affiliate of the Sponsor or any Insider,
nor any director or officer of the Company, shall receive from the Company any finder’s fee, reimbursement, consulting fee,
monies in respect of any repayment of a loan or other compensation prior to, or in connection with any services rendered in order
to effectuate the consummation of the Company’s initial Business Combination (regardless of the type of transaction that
it is), other than the following, none of which will be made from the proceeds held in the Trust Account prior to the completion
of the initial Business Combination: (i) repayment of a loan and advances up to an aggregate of $300,000 made to the Company by
the Sponsor; (ii) payment to the Sponsor of a total of $30,000 per month for office space, administrative, financial and support
services; (iii) reimbursement for any reasonable out-of-pocket expenses related to identifying, investigating and completing an
initial Business Combination; and (iv) repayment of loans, if any, and on such terms as to be determined by the Company from time
to time, made by the Sponsor or an affiliate of the Sponsor or any of the Company’s officers or directors to finance transaction
costs in connection with an intended initial Business Combination; provided that if the Company does not consummate an initial
Business Combination, a portion of the working capital held outside the Trust Account may be used by the Company to repay such
loaned amounts so long as no proceeds from the Trust Account are used for such repayment. Up to $1,500,000 of such loans may be
convertible into warrants at a price of $1.00 per warrant at the option of the lender. Such warrants would be identical to the
Private Placement Warrants.

 

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

 

11. As used
herein, (i) “Business Combination” shall mean a merger, share exchange, asset acquisition, share
purchase, reorganization or similar business combination, involving the Company and one or more businesses; (ii)
“Shares” shall mean, collectively, the Ordinary Shares and the Founder Shares; (iii)
“Founder Shares” shall mean the 5,750,000 Class B Ordinary Shares, par value $0.0001 per
share, issued and outstanding immediately prior to the consummation of the Public Offering; (iv) “Initial
Shareholders” shall mean the Sponsor and any other person that holds Founder Shares; (v) “Private
Placement Warrants” shall mean the Warrants to purchase an aggregate of 6,000,000 Ordinary Shares of the
Company (or up to 6,600,000 Ordinary Shares of the Company depending on the extent to which the Underwriters’
over-allotment option is exercised pursuant to the Underwriting Agreement) that the Sponsor has agreed to purchase for an
aggregate purchase price of $6,000,000 (or up to $6,600,000 depending on the extent to which the
Underwriters’ over-allotment option is exercised pursuant to the Underwriting Agreement), or $1.00 per Warrant, in a
private placement that shall occur simultaneously with the consummation of the Public Offering; (vi) “Public
Shareholders” shall mean the holders of securities issued in the Public Offering; (vii) “Trust
Account” shall mean the trust fund into which a portion of the net proceeds of the Public Offering shall be
deposited; and (viii) “Transfer” shall mean the (a) sale of, offer to sell, contract or
agreement to sell, hypothecate, pledge, grant of any option to purchase or otherwise dispose of or agreement to dispose of,
directly or indirectly, or establishment or increase of a put equivalent position or liquidation with respect to or decrease
of a call equivalent position within the meaning of Section 16, (b) entry into any swap or other arrangement that
transfers to another, in whole or in part, any of the economic consequences of ownership of any security, whether any such
transaction is to be settled by delivery of such securities, in cash or otherwise, or (c) public announcement of any
intention to effect any transaction specified in clause (a) or (b).

 

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12. This Letter
Agreement constitutes the entire agreement and understanding of the parties hereto in respect of the subject matter hereof
and supersedes all prior understandings, agreements, or representations by or among the parties hereto, written or oral, to
the extent they relate in any way to the subject matter hereof or the transactions contemplated hereby. This Letter Agreement
may not be changed, amended, modified or waived (other than to correct a typographical error) as to any particular provision,
except by a written instrument executed by (1) each Insider that is the subject of any such change, amendment,
modification or waiver and (2) the Company.

 

13. No party
hereto may assign either this Letter Agreement or any of its rights, interests, or obligations hereunder without the prior
written consent of the other party. Any purported assignment in violation of this paragraph shall be void and ineffectual and
shall not operate to transfer or assign any interest or title to the purported assignee. This Letter Agreement shall be
binding on the Sponsor and each Insider and their respective successors, heirs and assigns and permitted transferees.

 

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

 

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

 

16. Each party
hereto shall not be liable for any breaches or misrepresentations contained in this Letter Agreement by any other party to
this Letter Agreement (including, for the avoidance of doubt, any Insider with respect to any other Insider), and no party
shall be liable or responsible for the obligations of another party, including, without limitation, indemnification
obligations and notice obligations.

 

17. This Letter
Agreement shall terminate on the earlier of (i) the expiration of the Lock-up Periods and (ii) the liquidation of the
Company; provided, however, that this Letter Agreement shall earlier terminate in the event that the Public
Offering is not consummated and closed by March 31, 2021; provided further that paragraph 4 of this Letter Agreement
shall survive such liquidation.

 

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

 

 

[Signature page follows]

 

    7 

     

    

  

	 	Sincerely,	 
	 	 	 
	 	NOBLE ROCK SPONSOR LLC
	 	 	 	 
	 	By:	 
	 	 	Name:	Whitney A. Bower
	 	 	Title:	Chief Executive Officer and President

 

 

[Signature Page
to Letter Agreement]

 

     

     

    

 

	 	 	 
	 	 	Name:	Whitney A. Bower

 

 

[Signature Page
to Letter Agreement]

 

     

     

    

 

	 	 	 
	 	 	Name:	Pete Low

 

 

[Signature Page
to Letter Agreement]

 

     

     

    

 

	 	 	 
	 	 	Name:	Michael D. Alter

 

 

[Signature Page
to Letter Agreement]

 

     

     

    

 

	 	 	 
	 	 	Name:	David Habiger

 

 

[Signature Page
to Letter Agreement]

 

     

     

    

 

	 	 	 
	 	 	Name:	David Lang

 

 

[Signature Page
to Letter Agreement]

 

     

     

    

 

	 	 	 
	 	 	Name:	Aemish Shah

 

 

[Signature Page
to Letter Agreement]

 

     

     

    

 

	Acknowledged and Agreed:	 
	 	 
	NOBLE ROCK ACQUISITION CORPORATION	 
	 	 	 	 
	By:	 	 
	 	Name:	Whitney A. Bower	 
	 	Title:	Chief Executive Officer and Chairman	 

 

 

[Signature Page
to Letter Agreement]

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