Document:

Exhibit
10.1

 

March
10, 2021

 

G&P
Acquisition Corp. 

222
Bellevue Avenue 

Newport,
Rhode Island 02840

 

Re:
Initial Public Offering

 

Ladies
and Gentlemen:

 

This
letter (this “Letter Agreement”) is being delivered to you in accordance with that certain underwriting
agreement (the “Underwriting Agreement”) entered into or proposed to be entered into by and between
G&P Acquisition Corp., a Delaware corporation (the “Company”), and BMO Capital Markets Corp., as
underwriter (the “Underwriter” ), relating to an underwritten initial public offering (the “Public
Offering”), of up to 20,125,000 of the Company’s units (including up to 2,625,000 units that may be purchased
to cover the Underwriter’s option to purchase additional units, if any) (the “Units”), each comprised
of one share of Class A common stock of the Company, par value $0.0001 per share (“Class A Common Stock”),
and one-half of one redeemable warrant (each whole warrant, a “Warrant”). Each Warrant entitles the
holder thereof to purchase one share of Class A Common Stock at a price of $11.50 per share, subject to adjustment, as described
in the Prospectus (as defined below). The Units will 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 U.S. Securities and Exchange Commission
(the “Commission”) and the Company has applied to have the Units listed on the New York Stock Exchange.
Certain capitalized terms used herein are defined in Section 11.

 

In
order to induce the Company and the Underwriter 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, G&P Sponsor,
LLC, a Delaware limited liability company (the “Sponsor”), and the other undersigned persons (each such
other undersigned persons, an “Insider” and, collectively, the “Insiders”),
each hereby agrees, severally but not jointly, with the Company as follows:

 

1.
       The Sponsor and each Insider agrees that, if the Company seeks stockholder approval
of a proposed Business Combination, then in connection with such proposed Business Combination, it, he or she shall (i) vote any
shares of Capital Stock owned by it, him or her in favor of such proposed Business Combination (including any proposals recommended
by the Company’s board of directors in connection with such proposed Business Combination) and (ii) not redeem any shares
of Capital Stock owned by it, him or her in connection with such stockholder approval. If the Company seeks to consummate a proposed
Business Combination by engaging in a tender offer, the Sponsor and each Insider agrees that it, he or she will not sell or tender
any shares of Capital Stock owned by it, him or her to the Company in connection therewith.

    1 

     

    

2.
       The Sponsor and each Insider hereby agrees that, in the event that the Company fails
to consummate a Business Combination within twenty (20) months from the closing of the Public Offering, or twenty-four (24) months
from the closing of the Public Offering if the Company has executed a letter of intent, agreement in principle or definitive
agreement for an initial business combination within twenty (20) months from the closing of the Public Offering (the “Completion
Window”), or such later period approved by the Company’s stockholders in accordance with the Company’s
second amended and restated certificate of incorporation (as further amended, supplemented or otherwise modified from time to
time, the “Certificate of Incorporation”), 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, subject to lawfully available funds therefor, redeem 100% of the Class A
Common Stock 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 (which interest
shall be net of taxes payable (“Permitted Withdrawals”) and less up to $100,000 of interest to pay dissolution
expenses), divided by the number of the then outstanding Offering Shares, which redemption will completely extinguish all of the
Public Stockholders’ rights as stockholders (including the right to receive further liquidating distributions, if any),
subject to applicable law, and (iii) as promptly as reasonably possible following such redemption, subject to the approval of
the Company’s remaining stockholders and the Company’s board of directors, dissolve and liquidate, subject in each
case, to the Company’s obligations under Delaware law to provide for claims of creditors and any other requirements of applicable
law. The Sponsor and each Insider agrees to not propose any amendment to the Certificate of Incorporation (A) to modify the substance
or timing of the Company’s obligation to allow redemptions 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 the Completion
Window or (B) with respect to any other provision relating to stockholders’ rights or pre-initial Business Combination activity,
unless the Company provides the Public Stockholders 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 Permitted Withdrawals), divided by the number of the then 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 as a result of any liquidation of the Company with respect to the Founder Shares held by it, him or
her. The Sponsor and each Insider hereby further waives, with respect to any shares of Capital Stock held by it, him or her, if
any, any redemption rights it, he or she may have in connection with (x) a Business Combination, including, without limitation,
any such rights available in the context of a stockholder vote to approve such Business Combination or in the context of a tender
offer made by the Company to purchase shares of Class A Common Stock and (y) a stockholder vote to approve an amendment to the
Certificate of Incorporation (A) to modify the substance or timing of the Company’s obligation to allow redemptions in connection
with the Company’s initial Business Combination or to redeem 100% of the Offering Shares if the Company has not consummated
its initial Business Combination within the Completion Window or (B) with respect to any other provision relating to stockholders’
rights or pre-initial Business Combination activity (although the Sponsor and each Insider shall be entitled to redemption and
liquidation rights with respect to any Offering Shares it, he or she holds if the Company fails to consummate a Business Combination
within the Completion Window).

    2 

     

    

3.
       Notwithstanding the provisions set forth in Sections 7(a) and (b), during
the period commencing on the effective date of the Underwriting Agreement and ending one-hundred-eighty (180) days after such
date, the Sponsor and each Insider shall not, without the prior written consent of the Underwriter, (i) offer, sell, contract
to sell, pledge or grant any option to purchase 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 of the Securities Exchange Act of 1934, as amended, and the
rules and regulations of the Commission promulgated thereunder (the “Exchange Act”), with respect to
any Units, shares of Class A Common Stock, Warrants or any securities convertible into, or exercisable or exchangeable for, shares
of Class A Common Stock, (ii) enter into any swap or other arrangement that transfers to another, in whole or in part, any of
the economic consequences of ownership of any Units, shares of Class A Common Stock, Warrants or any securities convertible into,
or exercisable or exchangeable for, shares of Class A Common Stock owned by it, him or her, whether any such transaction is to
be settled by delivery of such securities, in cash or otherwise, or (iii) or publicly announce an intention to effect any such
transaction specified in clause (i) or clause (ii); provided, however, that the foregoing does not apply to the
forfeiture of any Founder Shares pursuant to their terms or any transfer of any 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 reporting obligation pursuant to Section 16 of the Exchange Act
is triggered as a result of such transfer, any related filing includes a practical explanation as to the nature of the transfer).
The Sponsor and each Insider acknowledge and agree that, prior to the effective date of any release or waiver of the restrictions
set forth in this Section 3 or Section 7, the Company shall announce the impending release or waiver by press release
through a major news service at least two (2) business days before the effective date of the release or waiver. Any such release
or waiver granted shall only be effective two (2) business days after the publication date of such press release. The provisions
of this Section 3 will not apply if (i) the release or waiver is effected solely to permit a transfer of securities that
is not for consideration and (ii) 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 holder of limited liability company interests or any members or managers of the
Sponsor or to any other Insider) agrees to indemnify and hold harmless the Company against any and all loss, liability, claim,
damage and expense whatsoever (including, without limitation, 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 (other than the Company’s independent registered public accounting
firm) for services rendered or products sold to the Company or (ii) a prospective target business with which the Company has discussed
entering into an agreement for a Business Combination (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 accounting firm) or products
sold to the Company or a Target do not reduce the amount of funds in the Trust Account to below (i) $10.10 per Offering Share
or (ii) such lesser amount per Offering Share 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 as of the date of the liquidation of the Trust Account, in each case, net of
Permitted Withdrawals, 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 Underwriter 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 fifteen (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. For the avoidance of doubt, none of the Company’s officers
or directors will indemnify the Company for claims by third parties, including, without limitation, claims by vendors or any Target.

    3 

     

    

5.
       To the extent that the Underwriter does not exercise its over-allotment option up to
an additional 2,625,000 Units within forty-five (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, an aggregate number of the Founder Shares in the aggregate equal to the
product of (a) 656,250 multiplied by a fraction, (i) the numerator of which is 2,625,000 minus the number of Units purchased by
the Underwriter upon the exercise of its option to purchase additional Units, and (ii) the denominator of which is 2,625,000.
All references in this Letter Agreement to any Founder Shares of the Company being forfeited shall take effect as a contribution
of such Founder Shares to the Company’s capital as a matter of Delaware law. The forfeiture will be adjusted to the extent
that the over-allotment option is not exercised in full by the Underwriter so that the number of the Founder Shares will equal
an aggregate of 20.0% of the Company’s issued and outstanding shares of Capital Stock after the Public Offering. The Sponsor
and each Insider further agree that, to the extent that the size of the Public Offering is increased or decreased, the Company
will effect a capitalization, stock repurchase or redemption or stock split, reverse stock split or other appropriate mechanism,
as applicable, immediately prior to the consummation of the Public Offering in such amount as to maintain the number of the Founder
Shares at 20.0% of the Company’s issued and outstanding shares of Capital Stock upon the consummation of the Public Offering.
In connection with such increase or decrease in the size of the Public Offering, then (A) the references to 2,625,000 in the numerator
and denominator of the formula set forth in the first sentence of this Section 5 shall be changed to a number equal to
15.0% of the number of shares of Class A Common Stock included in the Units issued in the Public Offering and (B) the reference
to 656,250 in the formula set forth in the first sentence of this Section 5 shall be adjusted to such number of the Founder
Shares that the Sponsor would have to return to the Company in order for the number of the Founder Shares to equal an aggregate
of 20.0% of the Company’s issued and outstanding shares of Capital Stock after the Public Offering.

 

6.
       The Sponsor and each Insider hereby agrees and acknowledges that (i) the Underwriter
and the Company would be irreparably injured in the event of a breach by the Sponsor or such Insider of its, his or her obligations
under Sections 1, 2, 3, 4, 5, 7(a), 7(b) and 9, as applicable, 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.

    4 

     

    

7.
       (a)        Subject to the exceptions set forth herein, the Sponsor and each Insider agree that it, he or she shall not Transfer
(as defined below) any Founder Shares (or shares of Class A Common Stock issuable upon conversion thereof) until the earlier of
(A) one (1) 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 Class A Common Stock equals or exceeds $12.00 per share (as adjusted for stock splits,
stock dividends, reorganizations, recapitalizations and the like) for any twenty (20) trading days within any thirty (30)-trading
day period commencing at least one-hundred-fifty (150) days after the Company’s initial Business Combination or (y) the
date on which the Company completes a liquidation, merger, stock exchange, reorganization or other similar transaction that results
in all of the Public Stockholders having the right to exchange their shares of Class A Common Stock for cash, securities or other
property (the “Founder Shares Lock-Up Period”).

 

(b)
      Subject to the exceptions set forth herein, the Sponsor and each Insider agree that
it, he or she shall not Transfer any Private Placement Warrants or Working Capital Warrants (as defined below) (or shares of Class
A Common Stock issued or issuable upon the conversion or exercise of the Private Placement Warrants or Working Capital Warrants),
until thirty (30) days after the completion of the Company’s initial Business Combination (the “Private Placement
Warrants Lock-Up Period” and, together with the Founder Shares Lock-Up Period, the “Lock-Up Periods”).

 

(c)
       Notwithstanding the provisions set forth in Sections 3, 7(a) and (b),
Transfers of the Founder Shares, Private Placement Warrants, Working Capital Warrants and shares of Class A Common Stock issued
or issuable upon the exercise or conversion of the Private Placement Warrants, the Working Capital Warrants or the Founder Shares
and that are held by the Sponsor or any Insider or any of their respective permitted transferees (that have complied with this
Section 7(c)), are permitted (a) to the Company’s officers or directors, any affiliates or family members of any
of the Company’s officers or directors, any direct or indirect members, partners or shareholders of the Sponsor or any employee
or partner of any such member, partner or shareholder, or any Affiliates of the Sponsor, (b) in the case of an individual, transfers
by gift to a member of the individual’s immediate family, to a trust, the beneficiaries of which are one or more of the
individual’s immediate family or an affiliate of such person, or to a charitable organization, (c) in the case of an individual,
transfers by virtue of laws of descent and distribution upon death of such individual, (d) in the case of an individual, transfers
pursuant to a qualified domestic relations order, (e) transfers by virtue of law or the Sponsor’s operating agreement upon
dissolution of a person other than an individual, (f) transfers by private transfers or sales and transfers made in connection
with the consummation of the Company’s initial Business Combination at prices no greater than the price at which the securities
were originally purchased, (g) to an entity that is an Affiliate of such holder, (h) transfers in the event of the Company’s
liquidation prior to the completion of the Company’s initial Business Combination, (i) in the event of the Company’s
completion of a liquidation, merger, stock exchange, reorganization or other similar transaction which results in all of the Company’s
stockholders having the right to exchange their shares of Common Stock for cash, securities or other property subsequent to the
completion of the Company’s initial Business Combination, (j) to a nominee or custodian of a person or entity to whom a
disposition or transfer would be permissible under clauses (a) through (h) above; provided, however, that, in the
case of clauses (a) through (d), (f) and (i), these transferees must enter into a written agreement with the Company agreeing
to be bound by the transfer restrictions in this Letter Agreement. “Affiliate” means, with respect to
any holder any other person who, directly or indirectly (including through one or more intermediaries), controls, is controlled
by, or is under common control with, such person. For purposes of this definition, “control,” when used
with respect to any specified person, shall mean the power, direct or indirect, to direct or cause the direction of the management
and policies of such person, whether through ownership of voting securities or partnership or other ownership interests, by contract
or otherwise, and the terms “controlling” and “controlled” shall have correlative
meanings.

    5 

     

    

8.
       The Sponsor and each Insider represent and warrant with respect to such Insider 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 represents and warrants
with respect to such Insider that such 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. The Sponsor and each Insider’s questionnaires furnished to the Company,
if any, are true and accurate in all respects. The Sponsor and each Insider represent and warrant with respect to such Insider
that it, he or she (a) 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,
(b) 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 (c) is not currently a defendant
in any such criminal proceeding.

 

9.
       Except as disclosed in, or as expressly contemplated by, 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 Company’s initial Business Combination:
(i) repayment of a loan and advances of up to $300,000 made to the Company by the Sponsors to cover expenses related to the organization
of the Company and the Public Offering; (ii) reimbursement for any reasonable out-of-pocket expenses related to identifying, investigating
and consummating an initial Business Combination; and (iii) 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 certain of the Company’s officers and directors to finance transaction
costs in connection with the Company’s initial Business Combination; provided, however, 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 $2,000,000
of such loans may be convertible into warrants (the “Working Capital Warrants”) of the post Business
Combination entity at a price of $1.00 per warrant at the option of the lender. Such warrants would be identical to the Private
Placement Warrants, including as to the exercise price, exercisability and exercise period.

    6 

     

    

10.
    The Sponsor and each Insider has full right and power, without violating any agreement
by 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 an officer and/or a director on the board of directors
of the Company and hereby consents to being named in the Prospectus as an officer and/or a director of the Company.

 

11.
    As used herein, (i) “Business Combination” shall mean a merger,
capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination, involving the Company
and one or more businesses; (ii) “Capital Stock” shall mean, collectively, the Class A Common Stock
and the Founder Shares; (iii) “Founder Shares” shall mean the 5,031,250 shares of Class B common stock,
par value $0.0001 per share, issued and outstanding immediately prior to the consummation of the Public Offering; (iv) “Private
Placement Warrants” shall mean the Warrants to purchase up to an aggregate of 7,250,000 shares of Class A Common
Stock of the Company (or 8,037,500 shares of Class A Common Stock if the over-allotment option is exercised in full) that the
Sponsor has agreed to purchase for an aggregate purchase price of $7,250,000 (or $8,037,500 if the over-allotment option is exercised
in full), or $1.00 per Warrant, in a private placement that shall occur simultaneously with the consummation of the Public Offering;
(v) “Public Stockholders” shall mean the holders of securities issued in the Public Offering; (vi) “Trust
Account” shall mean the trust fund into which a portion of the net proceeds of the Public Offering and the sale
of the Private Placement Warrants shall be deposited; and (vii) “Transfer” shall mean the (a) sale or
assignment of, offer to sell, contract or agreement to sell, hypothecate or 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 the Exchange Act with respect to, any security,
(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) above.

 

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 Sponsor.

 

13.
     Except as otherwise provided herein, 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 parties. Any purported
assignment in violation of this Section 13 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.

    7 

     

    

14.
     Nothing in this Letter Agreement shall be construed to confer upon, or give to, any
person or entity other than the parties hereto any right, remedy or claim under or by reason of this Letter Agreement or of any
covenant, condition, stipulation, promise or agreement hereof. All covenants, conditions, stipulations, promises and agreements
contained in this Letter Agreement shall be for the sole and exclusive benefit of the parties hereto and their successors, heirs,
personal representatives and assigns and permitted transferees.

 

15.
     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.

 

16.
     This Letter Agreement shall be deemed severable, and the invalidity or unenforceability
of any term or provision hereof shall not affect the validity or enforceability of this Letter Agreement or of any other term
or provision hereof. Furthermore, in lieu of any such invalid or unenforceable term or provision, the parties hereto intend that
there shall be added as a part of this Letter Agreement a provision as similar in terms to such invalid or unenforceable provision
as may be possible and be valid and enforceable.

 

17.
     This Letter Agreement shall be governed by and construed and enforced in accordance
with the laws of the State of New York, without giving effect to conflicts of law principles that would result in the application
of the substantive laws of another jurisdiction. 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.

 

18.
     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.

 

19.
     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.

 

20.
     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 May 31, 2021; provided, further, that Section
4 shall survive such liquidation.

 

[Signature
Pages Follow]

    8 

     

    

	 	Sincerely,
	 	G&P SPONSOR, LLC
	 	 
	 	By:	/s/
    Michael R. Anderson
	 	 	Name: Michael R. Anderson
	 	 	Title:   Authorized Signatory
	 	 	 
	 	INSIDERS:
	 	 
	 	By:	/s/
    Brendan T. O’Donnell
	 	 	Name: Brendan T. O’Donnell
	 	 	 
	 	By:	/s/
    Nicholas S. Schorsch, Jr.
	 	 	Name: Nicholas S. Schorsch, Jr.
	 	 	 
	 	By:	/s/
    Joseph Marnikovic
	 	 	Name: Joseph Marnikovic
	 	 	 
	 	By:	/s/
    Michael R. Anderson
	 	 	Name: Michael R. Anderson
	 	 	 
	 	By:	/s/
    Nicholas S. Schorsch
	 	 	Name: Nicholas S. Schorsch
	 	 	 
	 	By:	/s/
    Edward M. Weil, Jr.
	 	 	Name: Edward M. Weil, Jr.
	 	 	 
	 	By:	/s/
    Leslie D. Michelson
	 	 	Name: Leslie D. Michelson
	 	 	 
	 	By:	/s/
    M. Therese Antone
	 	 	Name: M. Therese Antone
	 	 	 
	 	By:	/s/
    Nicholas Radesca
	 	 	Name: Nicholas Radesca
	 	 	 

	Acknowledged
    and Agreed:	 
	G&P
    ACQUISITION CORP.	 
	 	 
	By:	/s/
    Joseph Marnikovic	 
	 	Name:
    Joseph Marnikovic	 
	 	Title:
      Chief Financial Officer and Treasurer	 
	 	 	 

[Signature
Page to Letter Agreement—G&P Acquisition Corp.]Exhibit
10.2

 

INVESTMENT
MANAGEMENT TRUST AGREEMENT

 

This
Investment Management Trust Agreement is made
effective as of March 10, 2021 (as amended, supplemented or otherwise modified from time to time, this “Agreement”),
by and between G&P Acquisition Corp., a Delaware corporation (the “Company”), and Continental Stock
Transfer & Trust Company, a New York limited purpose trust company (the “Trustee”).

 

WHEREAS,
the Company’s registration statement on Form S-1, File No. 333-253089 (the “Registration Statement”)
and prospectus (the “Prospectus”) for the initial public offering of the Company’s units (the
“Units”), each of which consists of one share of the Company’s Class A common stock, par value
$0.0001 per share (the “Common Stock”), and one-half of one redeemable warrant, each whole warrant entitling
the holder thereof to purchase one share of Common Stock (such initial public offering, the “Offering”),
has been declared effective as of the date hereof by the U.S. Securities and Exchange Commission;

 

WHEREAS,
the Company has entered into that certain Underwriting Agreement, dated the date hereof (as amended, supplemented or otherwise
modified from time to time, the “Underwriting Agreement”), with BMO Capital Markets Corp., as the underwriter
(the “Underwriter”);

 

WHEREAS,
as described in the Registration Statement, an aggregate of $176,750,000 from the gross proceeds of the Offering and sale of the
Private Placement Warrants (as defined in the Underwriting Agreement) (or $203,262,500 if the Underwriter’s over-allotment
option is exercised in full) will be delivered to the Trustee to be deposited and held in a segregated trust account located at
all times in the United States (the “Trust Account”) for the benefit of the Company and the holders
of the Common Stock included in the Units issued in the Offering as hereinafter provided (the amount to be delivered to the Trustee
(and any interest subsequently earned thereon) is referred to as the “Property,” the stockholders for
whose benefit the Trustee shall hold the Property are referred to as the “Public Stockholders,” and
the Public Stockholders and the Company are referred to together as the “Beneficiaries”);

 

WHEREAS,
pursuant to the Underwriting Agreement, a portion of the Property equal to $6,125,000, or $7,043,750 if the Underwriter’s
over-allotment option is exercised in full, is attributable to deferred underwriting discounts and commissions that will be payable
by the Company to the Underwriter upon and concurrently with the consummation of the Business Combination (as defined below) (the
“Deferred Discount”); and

 

WHEREAS,
the Company and the Trustee desire to enter into this Agreement to set forth the terms and conditions pursuant to which the Trustee
shall hold the Property.

     

     

    

NOW
THEREFORE, IT IS AGREED:

 

1.            Agreements and Covenants of Trustee. The Trustee hereby agrees and covenants to:

 

(a)           Hold the Property in trust for the Beneficiaries in accordance with the terms of this Agreement in the Trust Account established
by the Trustee in the United States at JPMorgan Chase Bank, N.A. (or at another U.S.-chartered commercial bank with consolidated
assets of $100 billion or more) and at a brokerage institution selected by the Trustee that is reasonably satisfactory to the
Company;

 

(b)           Manage, supervise and administer the Trust Account subject to the terms and conditions set forth herein;

 

(c)           In a timely manner, upon the written instruction of the Company, invest and reinvest the Property in solely U.S. government securities
within the meaning of Section 2(a)(16) of the Investment Company Act of 1940, as amended, having a maturity of 185 days or
less, or in money market funds meeting the conditions of paragraphs (d)(1), (d)(2), (d)(3) and (d)(4) of Rule 2a-7 promulgated
under the Investment Company Act of 1940, as amended (or any successor rule), which invest only in direct U.S. government treasury
obligations, as determined by the Company, and the Trustee may not invest in any other securities or assets, it being understood
that the Trust Account will earn no interest while account funds are uninvested awaiting the Company’s instructions hereunder
and the Trustee may earn bank credits or other consideration;

 

(d)           Collect and receive, when due, all interest or other income arising from the Property, which shall become part of the “Property,”
as such term is used herein;

 

(e)           Promptly notify the Company and the Underwriter of all communications received by the Trustee with respect to the Property requiring
action by the Company;

 

(f)            Supply any necessary information or documents as may be requested by the Company (or its authorized agents) in connection with
the Company’s preparation of the tax returns relating to assets held in the Trust Account or in connection with the preparation
or completion of the audit of the Company’s financial statements by the Company’s auditors;

 

(g)           Participate in any plan or proceeding for protecting or enforcing any right or interest arising from the Property if, as and when
instructed by the Company to do so;

 

(h)           Render to the Company monthly written statements of the activities of, and amounts in, the Trust Account reflecting all receipts
and disbursements of the Trust Account;

    2 

     

    

(i)            Commence liquidation of the Trust Account only after and promptly after (x) receipt of, and only in accordance with, the
terms of a letter from the Company (the “Termination Letter”) in a form substantially similar to that
attached hereto as either Exhibit A or Exhibit B, as applicable, signed on behalf of the Company by the
Chief Executive Officer, President, Chief Financial Officer, Secretary or chairman of the board of directors of the Company (the
“Board”) or another authorized officer of the Company and, in the case of Exhibit A, acknowledged
and agreed to by the Underwriter and complete the liquidation of the Trust Account and distribute the Property in the Trust Account,
including interest earned on the funds held in the Trust Account (net of amounts withdrawn in accordance with this Agreement and
less up to $100,000 of interest that may be released to the Company to pay dissolution expenses), only as directed in the Termination
Letter and the other documents referred to therein, or (y) upon the date which is the later of (i) twenty (20) months
after the closing of the Offering (or twenty-four (24) months after the closing of the Offering if the Company has executed a letter
of intent, agreement in principle or definitive agreement for an initial Business Combination within twenty (20) months from the
closing of the Offering) and (ii) such later date as may be approved by the Company’s stockholders in accordance with
the Company’s second amended and restated certificate of incorporation (as further amended, supplemented or otherwise modified
from time to time, the “Certificate of Incorporation”), if the Termination Letter has not been received
by the Trustee prior to such date, in which case the Trust Account shall be liquidated in accordance with the procedures set forth
in the Termination Letter attached hereto as Exhibit B and the Property in the Trust Account, including interest earned
on the funds held in the Trust Account (net of amounts withdrawn in accordance with this Agreement and less up to $100,000 of
interest that may be released to the Company to pay dissolution expenses) shall be distributed to the Public Stockholders of record
as of such date;

 

(j)            Upon written request from the Company, which may be given from time to time in a form substantially similar to that attached hereto
as Exhibit C (a “Tax Payment Withdrawal Instruction”), withdraw from the Trust Account and
distribute to the Company the amount of interest earned on the Property requested by the Company to cover any tax obligation owed
by the Company as a result of assets of the Company or interest or other income earned on the Property, which amount shall be
delivered directly to the Company, the Company shall forward such amount to the relevant taxing authority; provided, however,
that, to the extent there is not sufficient cash in the Trust Account to pay such tax obligation, the Trustee shall liquidate
such assets held in the Trust Account as shall be designated by the Company in writing to make such distribution, so long as there
is no reduction in the principal amount per share initially deposited in the Trust account; provided, further, that,
if the tax to be paid is a franchise tax, the written request by the Company to make such distribution shall be accompanied by
a copy of the franchise tax bill from the relevant taxing authority for the Company. The written request of the Company referenced
above shall constitute presumptive evidence that the Company is entitled to said funds, and the Trustee shall have no responsibility
to look beyond said request;

 

(k)           [Reserved]; 

 

(l)            Upon written request from the Company, which may be given from time to time in a form substantially similar to that attached hereto
as Exhibit D (a “Stockholder Redemption Withdrawal Instruction”), the Trustee shall distribute
to the Public Stockholders on behalf of the Company the amount requested by the Company to be used to redeem shares of Common
Stock from the Public Stockholders properly submitted in connection with a stockholder vote to approve an amendment to the Certificate
of Incorporation that would affect the substance or timing of the Company’s obligation to redeem 100% of its public shares
of Common Stock if the Company has not consummated an initial Business Combination within such time as is described in the Certificate
of Incorporation or with respect to any other provisions relating to stockholders’ rights or pre-initial Business Combination
activity. The written request of the Company referenced above shall constitute presumptive evidence that the Company is entitled
to distribute said funds, and the Trustee shall have no responsibility to look beyond said request; and

    3 

     

    

(m)          Not make any withdrawals or distributions from the Trust Account other than pursuant to Section 1(i), (j) or
(l) above.

 

2.             Agreements and Covenants of the Company. The Company hereby agrees and covenants to:

 

(a)           Give all instructions to the Trustee hereunder in writing, signed on behalf of the Company by the Chief Executive Officer, President,
Chief Financial Officer, Secretary or chairman of the Board. In addition, except with respect to its duties under Sections 1(i),
1(j) and 1(l), the Trustee shall be entitled to rely on, and shall be protected in relying on, any verbal or telephonic
advice or instruction which it, in good faith and with reasonable care, believes to be given by any one of the persons authorized
above to give written instructions; provided, however, that the Company shall promptly confirm such instructions
in writing;

 

(b)           Subject to Section 4, hold the Trustee harmless and indemnify the Trustee from and against any and all reasonable
and documented out-of-pocket expenses, including reasonable outside counsel fees and disbursements, or losses suffered by the
Trustee in connection with any action taken by it hereunder and in connection with any action, suit or other proceeding brought
against the Trustee involving any claim, or in connection with any claim or demand, which arises out of or relates to this Agreement,
the services of the Trustee hereunder, or the Property or any interest earned on the Property, except for expenses and losses
resulting from the Trustee’s or its representatives’ gross negligence, fraud or willful misconduct. Promptly after
the receipt by the Trustee of notice of demand or claim or the commencement of any action, suit or proceeding, pursuant to which
the Trustee intends to seek indemnification under this Section 2(b), it shall notify the Company in writing of such
claim (the “Indemnified Claim”). The Trustee shall have the right to conduct and manage the defense
against such Indemnified Claim; provided, however, that the Trustee shall obtain the consent of the Company with
respect to the selection of counsel; provided, further, that the Company may conduct and manage the defense against
any Indemnified Claim if the Trustee does not promptly take reasonable steps to mount such a defense. The Trustee may not agree
to settle any Indemnified Claim without the prior written consent of the Company. The Company may participate in any such action
with its own counsel;

 

(c)           Pay the Trustee the fees set forth on Schedule A hereto, including an initial set-up fee, annual administration fee
and transaction processing fee, which fees shall be subject to modification by the parties from time to time. It is expressly
understood that the Property shall not be used to pay such fees unless and until the property is distributed to the Company pursuant
to Sections 1(i). The Company shall pay the Trustee the initial set-up fee and the first annual administration fee
at the consummation of the Offering. The Trustee shall refund to the Company the annual administration fee (on a pro rata basis)
with respect to any period after the liquidation of the Trust Account. The Company shall not be responsible for any other fees
or charges of the Trustee except as set forth in this Section 2(c), Schedule A and as may be provided
in Section 2(b);

 

(d)           In connection with any vote of the Company’s stockholders regarding a merger, capital stock exchange, asset acquisition,
stock purchase, reorganization or similar business combination involving the Company and one or more businesses (the “Business
Combination”), provide to the Trustee an affidavit or certificate of the inspector of elections for the stockholder
meeting verifying the vote of such stockholders regarding such Business Combination;

    4 

     

    

(e)           Provide the Underwriter with a copy of any Termination Letter(s) and/or any other correspondence that is sent to the Trustee with
respect to any proposed withdrawal from the Trust Account promptly after it issues the same;

 

(f)            Unless otherwise agreed between the Company and the Underwriter, ensure that any Instruction Letter delivered in connection with
a Termination Letter substantially in the form attached hereto as Exhibit A expressly provides that the Deferred Discount
is paid directly to the account(s) as directed by the Underwriter prior to any transfer of the funds held in the Trust Account
to the Company or any other person;

 

(g)           Instruct the Trustee to make only those distributions that are permitted under this Agreement and refrain from instructing the
Trustee to make any distributions that are not permitted under this Agreement; and

 

(h)           Within four (4) business days after the Underwriter exercises the over-allotment option (or any unexercised portion thereof)
or such over-allotment expires, provide the Trustee with a notice in writing of the total amount of the Deferred Discount, which
shall in no event be less than $6,125,000, or $7,043,750 if the Underwriter’s overallotment option is exercised in full.

 

3.             Limitations of Liability. The Trustee shall have no responsibility or liability to:

 

(a)           Imply obligations, perform duties, inquire or otherwise be subject to the provisions of any agreement or document other than this
Agreement and that which is expressly set forth herein;

 

(b)           Take any action with respect to the Property, other than as directed in Section 1, and the Trustee shall have no liability
to any third party except for liability arising out of the Trustee’s or its representatives’ gross negligence, fraud
or willful misconduct;

 

(c)           Institute any proceeding for the collection of any principal and income arising from, or institute, appear in or defend any proceeding
of any kind with respect to, any of the Property unless and until it shall have received instructions from the Company given as
provided herein to do so and the Company shall have advanced or guaranteed to it funds sufficient to pay any reasonably incurred
expenses incident thereto;

 

(d)           Refund any depreciation in principal of any Property;

 

(e)           Assume that the authority of any person designated by the Company to give instructions hereunder shall not be continuing unless
provided otherwise in such designation, or unless the Company shall have delivered a written revocation of such authority to the
Trustee;

    5 

     

    

(f)            The other parties hereto or to anyone else for any action taken or omitted by it, or any action suffered by it to be taken or
omitted, in good faith and in the Trustee’s best judgment, except for the Trustee’s or its representatives’
gross negligence, fraud or willful misconduct. The Trustee may rely conclusively and shall be protected in acting upon any order,
notice, demand, certificate, opinion or advice of counsel (including counsel chosen by the Trustee, which counsel may be the Company’s
counsel), statement, instrument, report or other paper or document (not only as to its due execution and the validity and effectiveness
of its provisions, but also as to the truth and acceptability of any information therein contained) which the Trustee believes,
in good faith and with reasonable care, to be genuine and to be signed or presented by the proper person or persons. The Trustee
shall not be bound by any notice or demand, or any waiver, modification, termination or rescission of this Agreement or any of
the terms hereof, unless evidenced by a written instrument delivered to the Trustee, signed by the proper party or parties and,
if the duties or rights of the Trustee are affected, unless it shall give its prior written consent thereto;

 

(g)           Verify the accuracy of the information contained in the Registration Statement;

 

(h)           Provide any assurance that any Business Combination entered into by the Company or any other action taken by the Company is as
contemplated by the Registration Statement;

 

(i)            File information returns with respect to the Trust Account with any local, state or federal taxing authority or provide periodic
written statements to the Company documenting the taxes payable by the Company, if any, relating to any interest income earned
on the Property;

 

(j)            Prepare, execute and file tax reports, income or other tax returns and pay any taxes with respect to any income generated by,
and activities relating to, the Trust Account, regardless of whether such tax is payable by the Trust Account or the Company,
including, without limitation, franchise and income tax obligations, except pursuant to Section 1(j); or

 

(k)           Verify calculations, qualify or otherwise approve the Company’s written requests for distributions pursuant to Sections 1(i),
1(j) and 1(l).

 

4.             Trust Account Waiver. The Trustee has no right of set-off or any right, title, interest or claim of any kind (a “Claim”)
to, or to any monies in, the Trust Account, and hereby irrevocably waives any Claim to, or to any monies in, the Trust Account
that it may have now or in the future. In the event the Trustee has any Claim against the Company under this Agreement, including,
without limitation, under Section 2(b) or 2(c), the Trustee shall pursue such Claim solely against the Company
and its assets outside the Trust Account and not against the Property or any monies in the Trust Account.

 

5.             Termination and Replacement of Trustee. This Agreement shall terminate as follows:

 

(a)           If the Trustee gives written notice to the Company that it desires to resign under this Agreement, the Company shall use its reasonable
efforts to locate a successor trustee, pending which the Trustee shall continue to act in accordance with this Agreement. At such
time that the Company notifies the Trustee that a successor trustee has been appointed and has agreed to become subject to the
terms of this Agreement, the Trustee shall transfer the management of the Trust Account to the successor trustee, including, without
limitation, the transfer of copies of the reports and statements relating to the Trust Account and any other reasonable transfer
requests that the Company may make, whereupon this Agreement shall terminate; provided, however, that, in the event
that the Company does not locate a successor trustee within ninety (90) days of receipt of the resignation notice from the Trustee,
the Trustee may submit an application to have the Property deposited with any court in the State of New York or with the
United States District Court for the Southern District of New York and upon such deposit, the Trustee shall be immune from
any liability whatsoever.

    6 

     

    

(b)           At such time that the Trustee has completed the liquidation of the Trust Account and its obligations in accordance with the provisions
of Section 1(i) and distributed the Property in accordance with the provisions of the Termination Letter, this Agreement
shall terminate except with respect to Section 2(b). 

 

(c)           If the Offering is not consummated within ten (10) business days of the date of this Agreement, in which case any funds received
by the Trustee from the Company or G&P Sponsor, LLC, as applicable, shall be returned promptly following the receipt by the
Trustee of written instructions from the Company.

 

6.             Miscellaneous.

 

(a)           The Company and the Trustee each acknowledge that the Trustee will follow the security procedures set forth below with respect
to funds transferred from the Trust Account. The Company and the Trustee will each restrict access to confidential information
relating to such security procedures to authorized persons. Each party must notify the other party immediately if it has reason
to believe unauthorized persons may have obtained access to such confidential information or of any change in its authorized personnel.
In executing funds transfers, the Trustee shall rely upon all information supplied to it by the Company, including, account names,
account numbers and all other identifying information relating to a Beneficiary, Beneficiary’s bank or intermediary bank.
Except for any liability arising out of the Trustee’s or its representatives’ gross negligence, fraud or willful misconduct,
the Trustee shall not be liable for any loss, liability or out-of-pocket expense resulting from any error in the information or
transmission of the funds.

 

(b)           This Agreement shall be governed by and construed and enforced in accordance with the laws of the State of New York, without
giving effect to conflicts of law principles that would result in the application of the substantive laws of another jurisdiction.

 

(c)           This Agreement contains the entire agreement and understanding of the parties hereto with respect to the subject matter hereof.
This Agreement or any provision hereof may only be changed, amended or modified (other than to correct a typographical error)
by a writing signed by each of the parties hereto.

    7 

     

    

(d)           Sections 1(i) and 1(j) may only be changed, amended or modified pursuant to Section 6(c) with the
Consent of the Stockholders, it being the specific intention of the parties hereto that each of the Company’s stockholders
is, and shall be, a third party beneficiary of this Section 6(d) with the same right and power to enforce this Section 6(d)
as the other parties hereto. For purposes of this Section 6(d), the “Consent of the Stockholders”
means receipt by the Trustee of a certificate from the inspector of elections of the stockholder meeting certifying that either
(i) the Company’s stockholders of record as of a record date established in accordance with Section 213(a) of
the Delaware General Corporation Law, as amended (the “DGCL”) (or any successor rule), who hold sixty-five
percent (65%) or more of all then outstanding shares of the Common Stock and Class B common stock, par value $0.0001 per share,
of the Company voting together as a single class, have voted in favor of such change, amendment or modification, or (ii) the
Company’s stockholders of record as of the record date who hold sixty-five percent (65%) or more of all then outstanding
shares of the Common Stock and Class B common stock, par value $0.0001 per share, of the Company voting together as a single class,
have delivered to such entity a signed writing approving such change, amendment or modification. No such amendment shall affect
any Public Stockholder who has otherwise indicated his, her or its election to redeem his, her or its shares of Common Stock in
connection with a stockholder vote sought to amend the Certificate of Incorporation. Except for any liability arising out of the
Trustee’s or its representatives’ gross negligence, fraud or willful misconduct, the Trustee may rely conclusively
on the certification from the inspector or elections referenced above and shall be relieved of all liability to any party for
executing the proposed amendment in reliance thereon.

 

(e)           The parties hereto consent to the jurisdiction and venue of any state or federal court located in the City of New York, County
of New York and State of New York, for purposes of resolving any disputes hereunder. AS TO ANY CLAIM, CROSS-CLAIM OR
COUNTERCLAIM IN ANY WAY RELATING TO THIS AGREEMENT, EACH PARTY WAIVES THE RIGHT TO TRIAL BY JURY.

 

(f)           Any notice, consent or request to be given in connection with any of the terms or provisions of this 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 by facsimile or email transmission:

 

if
to the Trustee, to:

 

Continental
Stock Transfer & Trust Company 

1
State Street 

30th
Floor 

New
York, New York 10004 

Attention:
Francis Wolf and Celeste Gonzalez 

E-mail:
fwolf@continentalstock.com

             cgonzalez@continentalstock.com

 

if
to the Company, to:

 

G&P
Acquisition Corp. 

222
Bellevue Avenue 

Newport,
Rhode Island 02840 

Attention:
Michael R. Anderson

Email: manderson@ar-global.com

    8 

     

    

in
each case, with copies to:

 

Paul,
Weiss, Rifkind, Wharton & Garrison LLP 

1285
Avenue of the Americas 

New York,
New York 10019 

Attention:
Raphael R. Russo 

E-mail:
rrusso@paulweiss.com

 

 and
 

 

BMO
Capital Markets Corp. 

3
Times Square 

New
York, New York 10036 

Attention:
Eric Benedict 

E-mail:
eric.benedict@bmo.com

 

in
each case, with copies to:

 

White
& Case LLP 

1221
Avenue of the Americas 

New
York, New York 10020 

Attention:
Joel Rubinstein 

E-mail:
joel.rubinstein@whitecase.com

 

(g)          This Agreement may not be assigned by the Trustee without the prior consent of the Company.

 

(h)          Each of the Company and the Trustee hereby represents that it has the full right and power and has been duly authorized to enter
into this Agreement and to perform its respective obligations as contemplated hereunder. The Trustee acknowledges and agrees that
it shall not make any claims or proceed against the Trust Account, including by way of set-off, and shall not be entitled to any
funds in the Trust Account under any circumstance.

 

(i)           Each of the Company and the Trustee hereby acknowledges and agrees that the Underwriter is a third party beneficiary of this Agreement.

 

(j)           The Trustee shall perform its duties under this Agreement in compliance with all applicable laws, including those relating to
privacy, data protection and information security, shall keep confidential all information (including personally identifiable
information and personal data) relating to this Agreement and, except as required by applicable law, shall not use such information
for any purpose other than the performance of the Trustee’s obligations under this Agreement.

 

(k)          Except as specified herein, no party to this Agreement may assign its rights or delegate its obligations hereunder to any other
person or entity.

    9 

     

    

(l)            Notwithstanding anything to the contrary in this Agreement, for purposes of all services provided pursuant to this Agreement (the
“Services”), the Trustee shall continuously maintain business continuity and disaster recovery plans
(including regular updates) that are consistent with then current industry standards applicable to similarly situated providers
of services comparable to the Services. Without limiting the generality of the foregoing, the business continuity and/or disaster
recovery plans will cover the computer software, computer hardware, telecommunications capabilities and other similar or related
items of automated, computerized, software system(s) and network(s) or system(s) and will be designed, among other things, to
permit the ongoing operation and functionality of the Services on a continuous basis and/or to facilitate the continuation and/or
resumption of, the Services. In the event of the disruption in the Services for any reason including the occurrence of a force
majeure event that causes the Trustee to be required to allocate limited resources between or among the Trustee’s affected
customers, the Trustee shall not do so in a manner that is intended to treat the Company less favorably than other similarly situated
affected customers generally. In addition, in the event the Trustee has knowledge that there is, or has been, an incident affecting
the integrity or availability of the Trustee’s business continuity and disaster recovery system, the Trustee shall endeavor
to notify the Company in writing, as promptly as practicable, of the incident.

 

(m)          This Agreement may be executed in one or more counterparts, each of which shall for all purposes be deemed to be an original but
all of which together shall constitute one and the same agreement. Only one counterpart signed by the party against whom enforceability
is sought needs to be produced to evidence the existence of this Agreement.

 

[Signature
Page Follows]

    10 

     

    

IN
WITNESS WHEREOF, the parties have duly executed this Investment Management Trust Agreement as of the date first written above. 

 

	 	Continental
    Stock Transfer & Trust Company,
    as Trustee
	 	 
	 	 	By:	/s/
    Francis Wolf
	 	 	 	Name:
    Francis Wolf
	 	 	 	Title:   Vice
    President

 

	 	G&P
    Acquisition Corp.
	 	 
	 	 	By:	/s/
    Joseph Marnikovic
	 	 	 	Name:
    Joseph Marnikovic
	 	 	 	Title:   Chief
    Financial Officer and Treasurer

 

[Signature
Page to Investment Management Trust Agreement—G&P Acquisition Corp.] 

     

     

    

SCHEDULE
A

 

Trustee’s
Fees

 

	Fee Item	 	Time and Method of Payment	 	Amount	 
	Initial set-up fee	 	Initial closing of the Offering by wire transfer	 	$	3,500.00	 
	Annual administration fee	 	First year, initial closing of the Offering by wire transfer; thereafter on the anniversary of the closing date of the Offering by wire transfer or check	 	$	10,000.00	 
	Transaction processing fee for disbursements to the Company pursuant to Sections 1(i), (j) and (l)	 	Billed by the Trustee to the Company pursuant to Section 1	 	$	250.00	 
	Paying Agent services as required pursuant to Sections 1(i) and (l)	 	Billed to the Company upon delivery of service pursuant to Sections 1(i) and (l)	 	Prevailing rates	 

    Sch. A-1

     

    

EXHIBIT
A

 

[Letterhead
of Company]

 

[Insert
date]

 

Continental
Stock Transfer & Trust Company 

1
State Street, 30th Floor 

New
York, New York 10004

Attention: Francis Wolf and Celeste Gonzalez

 

		Re:	Trust
                                         Account - Termination Letter

 

Dear
Mr. Wolf and Ms. Gonzalez:

 

Pursuant
to Section 1(i) of the Investment Management Trust Agreement, dated as of March 10, 2021 (as amended, supplemented or otherwise
modified from time to time, the “Trust Agreement”), by and between G&P Acquisition Corp. (the “Company”)
and Continental Stock Transfer & Trust Company (the “Trustee”), this is to advise you that the Company
has entered into an agreement with [Target] (the “Target Business”) to consummate a business
combination with the Target Business (the “Business Combination”) on or about [Date]. The Company
shall notify you at least seventy-two (72) hours in advance of the actual date of the consummation of the Business Combination
(the “Consummation Date”). Capitalized terms used but not defined herein shall have the meanings set
forth in the Trust Agreement.

 

In
accordance with the terms of the Trust Agreement, we hereby authorize you to commence to liquidate all of the assets of the Trust
Account, and to transfer the proceeds into the trust operating account at JPMorgan Chase Bank, N.A. to the effect that, on the
Consummation Date, all of the funds held in the Trust Account will be immediately available for transfer to the account or accounts
that the Company shall direct on the Consummation Date (including as directed to it by the Underwriter) (with respect to the Deferred
Discount). It is acknowledged and agreed that, while the funds are on deposit in the trust operating account at JPMorgan Chase
Bank, N.A., awaiting distribution, the Company will not earn any interest or dividends.

 

On
the Consummation Date, (i) counsel for the Company shall deliver to you written notification that the Business Combination
has been consummated, or will be consummated substantially concurrently with your transfer of funds to the accounts as directed
by the Company (the “Notification”) and (ii) the Company shall deliver to you (a) [an affidavit][a
certificate] of the Chief Executive Officer of the Company, which verifies that the Business Combination has been approved by
a vote of the Company’s stockholders, if a vote is held and (b) a joint written instruction signed by the Company and
the Underwriter with respect to the transfer of the funds held in the Trust Account, including payment of amounts owed to public
stockholders who have properly exercised their redemptions rights and payment of amounts of the Deferred Discount to the underwriter
from the Trust Account directly to the account or accounts directed by the Underwriter (the “Instruction Letter”).
You are hereby directed and authorized to transfer the funds held in the Trust Account immediately upon your receipt of the Notification
and the Instruction Letter in accordance with the terms of the Instruction Letter. In the event that certain deposits held in
the Trust Account may not be liquidated by the Consummation Date without penalty, you will notify the Company in writing of the
same and the Company shall direct you as to whether such funds should remain in the Trust Account and be distributed after the
Consummation Date to the Company. Upon the distribution of all the funds, net of any payments necessary for reasonable unreimbursed
expenses related to liquidating the Trust Account, your obligations under the Trust Agreement shall be terminated.

    Ex. A-1

     

    

In
the event that the Business Combination is not consummated on the Consummation Date described in the notice thereof and we have
not notified you on or before the original Consummation Date of a new Consummation Date, then upon receipt by the Trustee of written
instructions from the Company, the funds held in the Trust Account shall be reinvested as provided in Section 1(c) of the Trust
Agreement on the business day immediately following the Consummation Date as set forth in such written instructions as soon thereafter
as possible.

 

	 	Very
                                         truly yours,
	 	 
	 	G&P
                                         Acquisition Corp.

	 	 
	 	By:	 
			Name:

                                         Title:

 

Acknowledged:

 

BMO
Capital Markets Corp. 

 

	By:	  	 
		
                                         Name:

                                         Title:	 

    Ex. A-2

     

    

EXHIBIT
B

 

[Letterhead
of Company]

 

[Insert
date]

 

Continental
Stock Transfer & Trust Company 

1
State Street, 30th Floor 

New
York, New York 10004

Attention: Francis Wolf and Celeste Gonzalez

 

		Re:	Trust
                                         Account - Termination Letter

 

Dear
Mr. Wolf and Ms. Gonzalez:

 

Pursuant
to Section 1(i) of the Investment Management Trust Agreement, dated as of March 10, 2021 (as amended, supplemented or otherwise
modified from time to time, the “Trust Agreement”), by and between G&P Acquisition Corp. (the “Company”)
and Continental Stock Transfer & Trust Company, this is to advise you that the Company has been unable to effect a Business
Combination with a target business within the time frame specified in the Certificate of Incorporation, as described in the Company’s
Prospectus relating to the Offering. Capitalized terms used but not defined herein shall have the meanings set forth in the Trust
Agreement.

 

In
accordance with the terms of the Trust Agreement, we hereby authorize you to liquidate all of the assets in the Trust Account
and to transfer the total proceeds into a segregated account held by you on behalf of the Beneficiaries to await distribution
to the Public Stockholders. The Company has selected [insert completion deadline] as the effective date for the purpose
of determining when the Public Stockholders will be entitled to receive their share of the liquidation proceeds. You agree to
be the paying agent of record and, in your separate capacity as paying agent, agree to distribute said funds directly to the Public
Stockholders in accordance with the terms of the Trust Agreement and the Certificate of Incorporation of the Company. Upon the
distribution of all the funds, net of any payments necessary for reasonable unreimbursed expenses related to liquidating the Trust
Account, your obligations under the Trust Agreement shall be terminated, except to the extent otherwise provided in Section 1(i)
of the Trust Agreement.

 

	 	Very
    truly yours,
	 	 
	 	G&P
                                         Acquisition Corp.

	 	 
	 	By:	  
			Name:

                                         Title:

 

		cc:	BMO
                                         Capital Markets Corp.

    Ex. B-1

     

    

EXHIBIT
C

 

[Letterhead
of Company]

 

[Insert
date]

 

Continental
Stock Transfer & Trust Company 

1
State Street, 30th Floor 

New
York, New York 10004

Attention: Francis Wolf and Celeste Gonzalez

 

		Re:	Trust
                                         Account - Tax Payment Withdrawal Instruction

 

Dear
Mr. Wolf and Ms. Gonzalez:

 

Pursuant
to Section 1(j) of the Investment Management Trust Agreement, dated as of March 10, 2021 (as amended, supplemented or otherwise
modified from time to time, the “Trust Agreement”), by and between G&P Acquisition Corp. (the “Company”)
and Continental Stock Transfer & Trust Company, the Company hereby requests that you deliver to the Company $___________ of
the interest income earned on the Property as of the date hereof. Capitalized terms used but not defined herein shall have the
meanings set forth in the Trust Agreement.

 

The
Company needs such funds to pay for the tax obligations as set forth on the attached tax return or tax statement. In accordance
with the terms of the Trust Agreement, you are hereby directed and authorized to transfer (via wire transfer) such funds promptly
upon your receipt of this letter to the Company’s operating account at:

 

[WIRE
INSTRUCTION INFORMATION]

 

	 	Very
                                         truly yours,
	 	 
	 	G&P
                                         Acquisition Corp.
	 	 
	 	By:	 
			
                                         Name:

                                         Title:

 

	cc:	BMO
                                         Capital Markets Corp.

    Ex. C-1

     

    

EXHIBIT
D

 

[Letterhead
of Company]

 

[Insert
date]

 

Continental
Stock Transfer & Trust Company 

1
State Street, 30th Floor 

New
York, New York 10004

Attention: Francis Wolf and Celeste Gonzalez

 

		Re:	Trust
                                         Account - Stockholder Redemption Withdrawal Instruction

 

Dear
Mr. Wolf and Ms. Gonzalez:

 

Pursuant
to Section 1(l) of the Investment Management Trust Agreement, dated as of March 10, 2021 (as amended, supplemented or otherwise
modified from time to time, the “Trust Agreement”), by and between G&P Acquisition Corp. (the “Company”)
and Continental Stock Transfer & Trust Company, the Company hereby requests that you deliver to the redeeming Public Stockholders
of the Company $__________ of the principal and interest income earned on the Property as of the date hereof into a segregated
account held by you on behalf of the Beneficiaries for distribution to the Public Stockholders who have requested redemption of
their shares. Capitalized terms used but not defined herein shall have the meanings set forth in the Trust Agreement.

 

The
Company needs such funds to pay the Public Stockholders who have properly elected to have their shares of Common Stock redeemed
by the Company in connection with a stockholder vote to approve an amendment to the Certificate of Incorporation. As such, you
are hereby directed and authorized to transfer (via wire transfer) such funds promptly upon your receipt of this letter.

 

	 	G&P
                                         Acquisition Corp.
	 	 
	 	By:	  
			
                                         Name:

                                         Title:

 

		cc:	BMO
                                         Capital Markets Corp.

 

    Ex. D-1

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