Document:

Exhibit 10.1

 

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

 

SECOND AMENDED AND RESTATED PROMISSORY
NOTE

 

	Principal Amount: up to $300,000	Dated as of July 10, 2020

(as set forth on the Schedule of Borrowings
attached hereto)

 

Star Peak Energy Transition
Corp., a Delaware corporation and blank check company (f/k/a Star Peak Energy Acquisition Corp., the “Maker”),
promises to pay to the order of Star Peak Sponsor LLC, a Delaware limited liability company (the “Payee”), or
its registered assigns or successors in interest, or order, the principal sum of up to three hundred thousand dollars ($300,000)
(as set forth on the Schedule of Borrowings attached hereto) in lawful money of the United States of America, on the terms and
conditions described below. All payments on this Note shall be made by check or wire transfer of immediately available funds or
as otherwise determined by the Maker to such account as the Payee may from time to time designate by written notice in accordance
with the provisions of this Note.

 

1.             Principal.
The principal balance of this Note shall be payable on the earlier of: (i) December 31, 2020 or (ii) the date on which
Maker consummates an initial public offering of its securities (the “IPO”). The principal balance may be prepaid
at any time.

 

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

 

3.             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.

 

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

 

(a)               Failure to Make Required Payments. Failure by Maker to pay the principal amount due pursuant to this Note within
ten (10) business days of the date specified above.

 

(b)               Voluntary Bankruptcy, Etc. The commencement by Maker of a voluntary case under any applicable bankruptcy, insolvency,
reorganization, rehabilitation or other similar law, or the consent by it to the appointment of or taking possession by a receiver,
liquidator, assignee, trustee, custodian, sequestrator (or other similar official) of Maker or for any substantial part of its
property, or the making by it of any assignment for the benefit of creditors, or the failure of Maker generally to pay its debts
as such debts become due, or the taking of corporate action by Maker in furtherance of any of the foregoing.

 

(c)               Involuntary Bankruptcy, Etc. The entry of a decree or order for relief by a court having jurisdiction in the premises
in respect of Maker in an involuntary case under any applicable bankruptcy, insolvency or other similar law, or appointing a receiver,
liquidator, assignee, custodian, trustee, sequestrator (or similar official) of Maker or for any substantial part of its property,
or ordering the winding-up or liquidation of its affairs, and the continuance of any such decree or order unstayed and in effect
for a period of 60 consecutive days.

 

     

     

    

 

5.            
Remedies.

 

(a)               Upon the occurrence of an Event of Default specified in Section 4(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 4(b) and 4(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.

 

6.             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. Any Event of Default
that previously existed or is existing on the date hereof is hereby waived by the Maker.

 

7.             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.

 

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

 

9.             Construction.
THIS NOTE SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH THE LAWS OF NEW YORK, WITHOUT REGARD TO CONFLICT OF LAW
PROVISIONS THEREOF.

 

10.          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.

 

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11.           Trust
Waiver. Notwithstanding anything herein to
the contrary, the Payee hereby waives any and all right, title, interest or claim of any kind (“Claim”) in
or to any distribution of or from the trust account to be established in which the proceeds of the IPO conducted by the Maker
(including the deferred underwriters discounts and commissions) and the proceeds of the sale of the warrants issued in a private
placement to occur prior to the consummation of the IPO are to be deposited, as described in greater detail in the registration
statement and prospectus to be filed with the Securities and Exchange Commission in connection with the IPO, and hereby agrees
not to seek recourse, reimbursement, payment or satisfaction for any Claim against the trust account on account of any amounts
owing hereunder.

 

12.           Amendment;
Waiver. Any amendment hereto or waiver of
any provision hereof may be made with, and only with, the written consent of the Maker and the Payee. This Note is executed and
delivered by the Maker to amend and restate in its entirety that certain note, dated as of November 8, 2018 in the original notational
amount of one hundred and seventy five thousand dollars ($175,000), executed and delivered by Maker and payable to the order of
the Payee (the “Original Note”). The execution or delivery of this Note does not constitute a novation or payment
of any part of the indebtedness evidenced by the Original Note.

 

13.           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 and Payee, intending to be legally bound hereby and consenting to the amendment and restatement
of the Original Note in the form of this Note, have caused this Note to be duly executed by the undersigned as of the day and year
first above written.

 

	 	MAKER:
	 	 
	 	STAR PEAK ENERGY TRANSITION CORP.
	 	a
    Delaware corporation
	 	 
	 	By:	/s/ Tyson Taylor
	 	 	Name:	Tyson Taylor
	 	 	Title:	Secretary
	 	 
	 	PAYEE:
	 	 
	 	STAR PEAK SPONSOR LLC
 a
    Delaware limited liability company
	 	 
	 	By:	 MTP Energy Management LLC
	 	Its:	Sole Member
	 	 
	 	By:	 Magnetar Financial LLC
	 	Its:	Sole Member
	 	 
	 	By:	 /s/ Eric Scheyer
	 	 	Name:	Eric Scheyer
	 	 	Title:	Authorized Signatory

 

     

     

    

 

SCHEDULE OF BORROWINGS

 

The following increases or decreases in
the Note have been made:

 

	Date of Increase or Decrease	 	Amount of decrease in Principal Amount of the Note	 	Amount of increase in Principal Amount of the Note	 	Principal Amount of the Note following such decrease or increase

 

    5Exhibit 10.2

 

August
[●], 2020

 

Star Peak Energy Transition Corp.

1603 Orrington Avenue, 13th Floor

Evanston, Illinois 60201

 

		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 by and among Star Peak Energy Transition Corp., a Delaware
corporation (the “Company”) and Credit Suisse Securities (USA) LLC, as representative (the
“Representative”) of the several underwriters (the “Underwriters”),
relating to an underwritten initial public offering (the “Public Offering”) of 35,000,000 of the
Company’s units (including 5,250,000 units that may be purchased pursuant to the Underwriters’ option to purchase
additional units, the “Units”), each consisting of one share of the Company’s Class A common
stock, par value $0.0001 per share (the “Common Stock”), and one-third of one warrant
(each whole warrant, a “Warrant”). Each Warrant entitles the holder thereof to purchase one share
of Common Stock at a price of $11.50 per share, subject to adjustment. 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”). Certain capitalized terms used
herein are defined in paragraph 1 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, Star Peak Sponsor LLC (the “Sponsor”) and
each of the undersigned (each, an “Insider” and, collectively, the “Insiders”)
hereby agree with the Company as follows:

 

1.            Definitions. 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) “Founder Shares” shall mean the 10,062,500 shares of Class B Common Stock of
the Company, par value $0.0001 per share, outstanding prior to the consummation of the Public Offering; (iii) “Private
Placement Warrants” shall mean the warrants to purchase shares of Common Stock of the Company that will be acquired
by the Sponsor for an aggregate purchase price of $10,100,000 (or up to $11,150,000 if the Underwriters’ exercise their option
to purchase additional units), or $1.50 per Warrant, in a private placement that shall close simultaneously with the consummation
of the Public Offering (including Common Stock issuable upon conversion thereof); (iv) “Public Stockholders”
shall mean the holders of Common Stock included in the Units issued in the Public Offering; (v) “Public Shares”
shall mean the Common Stock included in the Units issued in the Public Offering; (vi) “Trust Account”
shall mean the trust account into which a portion of the net proceeds of the Public Offering and the sale of the Private Placement
Warrants shall be deposited; (vii) “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 of the Securities Exchange Act of 1934, as amended, and the rules and regulations of
the Commission promulgated thereunder 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); and (viii) “Charter” shall mean the Company’s Amended and Restated
Certificate of Incorporation, as the same may be amended from time to time.

 

2.            Representations and Warranties.

 

(a)            The
Sponsor and each Insider, with respect to itself, herself or himself, represent and warrant to the Company that it, she or he
has the full right and power, without violating any agreement to which it, she or he is bound (including, without limitation,
any non-competition or non-solicitation agreement with any employer or former employer), to enter into this Letter Agreement,
as applicable, and to serve as an officer of the Company and/or a director on the Company’s Board of Director (the
“Board”), as applicable, and each Insider hereby consents to being named in the Prospectus, road
show and any other materials as an officer and/or director of the Company, as applicable.

 

    

     

    

 

(b)            Each Insider represents and warrants, with respect to herself or himself, that such Insider’s biographical
information furnished to the Company (including any such information included in the Prospectus) is true and accurate in all material
respects and does not omit any material information with respect to such Insider’s background. The Insider’s questionnaire
furnished to the Company is true and accurate in all material respects. Each Insider represents and warrants that such Insider
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; such Insider 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 such Insider is not currently a defendant in any such criminal
proceeding; and such Insider 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.

 

3.            Business Combination Vote. It is acknowledged and agreed that the Company shall not enter into a definitive
agreement regarding a proposed Business Combination without the prior consent of the Sponsor.  The Sponsor and each Insider,
with respect to itself or herself or himself, agrees that if the Company seeks stockholder approval of a proposed initial Business
Combination, then in connection with such proposed initial Business Combination, it, she or he, as applicable, shall vote all Founder
Shares and any Public Shares held by it, her or him, as applicable, in favor of such proposed initial Business Combination (including
any proposals recommended by the Board in connection with such Business Combination) and not redeem any Public Shares held by it,
her or him, as applicable, in connection with such stockholder approval.

 

4.            Failure to Consummate a Business Combination; Trust Account Waiver.

 

(a)            The Sponsor and each Insider hereby agree, with respect to itself, herself or himself, that in the event that the
Company fails to consummate its initial Business Combination within the time period set forth in the Charter, 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 10 business days thereafter, redeem 100% of the Public Shares, at a per-share
price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account, including interest earned on the funds
held in the Trust Account and not previously release to the Company to pay income taxes (less up to $100,000 of interest to pay
dissolution expenses), divided by the number of then outstanding Public Shares, which redemption will completely extinguish Public
Stockholders’ rights as stockholders (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 stockholders
and the Board, liquidate and dissolve, subject in the case of clauses (ii) and (iii) to the Company’s obligations under Delaware
law to provide for claims of creditors and in all cases subject to the other requirements of applicable law. The Sponsor and each
Insider agree not to propose any amendment to the Charter (i) that would modify the substance or timing of the Company’s
obligation to provide holders of the Public Shares the right to have their shares redeemed in connection with an initial Business
Combination or to redeem 100% of the Public Shares if the Company does not complete an initial Business Combination within the
required time period set forth in the Charter or (ii) with respect to any provision relating to the rights of holders of Public
Shares unless the Company provides its Public Stockholders with the opportunity to redeem their Public 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 earned on the funds held in the Trust Account and not previously released to the Company to pay taxes, if any, divided
by the number of then-outstanding Public Shares.

 

(b)            The
Sponsor and each Insider, with respect to itself, herself or himself, acknowledges that it, she or he 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, her or him, if any. The Sponsor and each of the Insiders hereby
further waive, with respect to any Founder Shares and Public Shares held by it, her or him, as applicable, any redemption
rights it, she or he may have in connection with the consummation of a Business Combination, including, without limitation,
any such rights available in the context of a stockholder vote to approve such Business Combination or a stockholder vote to
approve an amendment to the Charter (i) that would modify the substance or timing of the Company’s obligation to
provide holders of the Public Shares the right to have their shares redeemed in connection with an initial Business
Combination or to redeem 100% of the Public Shares if the Company has not consummated an initial Business Combination within
the time period set forth in the Charter or (ii) with respect to any provision relating to the rights of holders of Public
Shares (although the Sponsor and the Insiders shall be entitled to liquidation rights with respect to any Public Shares they
hold if the Company fails to consummate a Business Combination within the required time period set forth in the Charter).

 

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5.            Lock-up; Transfer Restrictions.

 

(a)            The Sponsor and the Insiders agree that they shall not Transfer any Founder Shares (the “Founder Shares
Lock-up”) until the earlier of (A) one year after the completion of an initial Business Combination and (B) the
date following the completion of an initial Business Combination on which the Company completes a liquidation, merger, capital
stock exchange, reorganization or other similar transaction that results in all of the Company’s stockholders having the
right to exchange their Common Stock for cash, securities or other property (the “Founder Shares Lock-up Period”).
Notwithstanding the foregoing, if, subsequent to a Business Combination, the closing price of the Common Stock equals or exceeds
$12.00 per share (as adjusted for stock splits, stock dividends, reorganizations, recapitalizations and the like) for any 20 trading
days within a 30-trading day period commencing at least 150 days after the Company’s initial Business Combination, the Founder
Shares shall be released from the Founder Shares Lock-up.

 

(b)            The Sponsor and Insiders agree that they shall not effectuate any Transfer of Private Placement Warrants or Common
Stock underlying such warrants until 30 days after the completion of an initial Business Combination.

 

(c)            Notwithstanding the provisions set forth in paragraphs 5(a) and (b), Transfers of the Founder Shares,
Private Placement Warrants and Common Stock underlying the Private Placement Warrants are permitted (a) to the Company’s
employees, officers or directors, any affiliates or family members of any of the Company’s officers or directors, any employees,
officers, directors or members of the Sponsor (or former Sponsor if such transfer occurs after a dissolution of the Sponsor) or
their affiliates, or any affiliates of the Sponsor (or former Sponsor if such transfer occurs after a dissolution of the Sponsor);
(b) in the case of an individual, by gift to a member of one of the individual’s immediate family, an estate planning vehicle
or to a trust, the beneficiary of which is a member of the individual’s immediate family, 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) by private sales or transfers
made in connection with the  consummation of a Business Combination at prices no greater than the price at which the Founder
Shares, Private Placement Warrants or Common Stock, as applicable, were originally purchased; (f) by pro rata distributions from
the Sponsor to its members, partners, or shareholders pursuant to the Sponsor’s organizational documents; (g) by virtue of
the laws of Delaware or the Sponsor’s organizational documents upon liquidation or dissolution of the Sponsor; (h) to
the Company for no value for cancellation in connection with the consummation of an initial Business Combination, (i) in the event
of the Company’s liquidation prior to the completion of a Business Combination; or (j) in the event of completion of a liquidation,
merger, capital stock exchange, reorganization or other similar transaction which results in all of the Company’s Public
Stockholders having the right to exchange their Common Stock for cash, securities or other property subsequent to the completion
of an initial Business Combination; provided, however, that in the case of clauses (a) through (g) these permitted
transferees must enter into a written agreement agreeing to be bound by these transfer restrictions.

 

(d)            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, Transfer any Units, Common Stock,
Warrants or any other securities convertible into, or exercisable or exchangeable for, Common Stock held by it, her or him, as
applicable, subject to certain exceptions enumerated in Section 6(h) of the Underwriting Agreement.

 

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6.             Remedies. The Sponsor and each of the Insiders hereby agree and acknowledge that (i) each of the Underwriters
and the Company would be irreparably injured in the event of a breach by the Sponsor or such Insider of its, her or his obligations,
as applicable under paragraphs 3, 4, 5, 7, 10 and 11, (ii) monetary damages may not be
an adequate remedy for such breach and (iii) the non-breaching party shall be entitled to 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.            Payments by the Company. Except as disclosed in the Prospectus, neither the Sponsor nor any affiliate of the
Sponsor nor any director or officer of the Company nor any affiliate of the officers shall receive from the Company any finder’s
fee, reimbursement, consulting fee, monies in respect of any payment 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).

 

8.            Director and Officer Liability Insurance. The Company will maintain an insurance policy or policies providing
directors’ and officers’ liability insurance, and the Insiders shall be covered by such policy or policies, in accordance
with its or their terms, to the maximum extent of the coverage available for any of the Company’s directors or officers.

 

9.            Termination. This Letter Agreement shall terminate on the earlier of (i) the expiration of the Founder Shares
Lock-up Period and (ii) the liquidation of the Company.

 

10.          Indemnification. In the event of the liquidation of the Trust Account upon the failure of the Company to consummate
its initial Business Combination within the time period set forth in the Charter, the Sponsor (the “Indemnitor”)
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) to which the Company may become subject as a result of any claim by (i) any third party
for services rendered or products sold to the Company (except for the Company’s independent auditors) or (ii) any 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 Indemnitor (x) shall apply only to the extent
necessary to ensure that such claims by a third party for services rendered or products sold to the Company or a Target do not
reduce the amount of funds in the Trust Account to below the lesser of (i) $10.00 per Public Share and (ii) the actual amount per
Public Share held in the Trust Account as of the date of the liquidation of the Trust Account if less than $10.00 per Public Share
due to reductions in the value of the trust assets, in each case net of interest that may be withdrawn to pay the Company’s
tax obligations, (y) shall not apply to any claims by a third party or Target who executed a waiver of any and all rights to the
monies held in the Trust Account (whether or not such waiver is enforceable) and (z) shall not apply to any claims under the Company’s
indemnity of the Underwriters against certain liabilities, including liabilities under the Securities Act of 1933, as amended.
The Indemnitor 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 Indemnitor, the Indemnitor notifies the Company
in writing that it shall undertake such defense.

 

11.          Forfeiture of Founder Shares. To the extent that the Underwriters do not exercise their option to purchase
additional Units within 45 days from the date of the Prospectus in full (as further described in the Prospectus), the Sponsor agrees
to automatically surrender to the Company for no consideration, for cancellation at no cost, an aggregate number of Founder Shares
so that the number of Founder Shares will equal of 20% of the sum of the total number of Common Stock and Founder Shares outstanding
at such time. The Sponsor and Insiders further agree that to the extent that the size of the Public Offering is increased or decreased,
the Company will effect a stock split, stock dividend, reverse stock split or stock repurchase, as applicable, with respect to
the Founder Shares immediately prior to the consummation of the Public Offering in such amount as to maintain the number of Founder
Shares at 20% of the sum of the total number of Common Stock and Founder Shares outstanding at such time.

 

12.          Entire
Agreement. 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 all parties hereto.

 

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13.          Assignment. 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 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, each of the Insiders and each of their respective successors, heirs, personal representatives
and assigns and permitted transferees.

 

14.          Counterparts. 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.

 

15.          Effect of Headings. The paragraph headings herein are for convenience only and are not part of this Letter
Agreement and shall not affect the interpretation thereof.

 

16.          Severability. 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.          Governing Law. 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.          Notices. 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 transmission.

 

[Signature
Page Follows]

 

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	 	Sincerely,
	 	 	 
	 	STAR PEAK SPONSOR LLC
	 	 	 
	 	By:	MTP Energy Management LLC
	 	Its:	Sole Member
	 	 	 
	 	By:	Magnetar Financial LLC
	 	Its:	Sole Member
	 	 	 
	 	By:	 
	 	Name:  	Eric Scheyer
	 	Title:	Authorized Signatory

 

    

     

    

 

	 	 
	 	Michael C. Morgan

 

    

     

    

 

	 	 
	 	Eric Scheyer

  

    

     

    

 

 

 

	 	 
	 	Michael D. Wilds

  

     

     

    

 

	 	 
	 	Adam E. Daley

  

     

     

    

 

	 	 
	 	Alec Litowitz

 

     

     

    

 

	 	 
	 	C. Park Shaper

 

     

     

    

 

	 	 
	 	Desiree Rogers

 

     

     

    

 

Acknowledged and Agreed:

 

STAR PEAK ENERGY TRANSITION CORP.

 

	By:	 	 
	 	Name:	Michael D. Wilds	 
	 	Title:	Chief Financial Officer and Chief Accounting Officer

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00312-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00312-of-00352.parquet"}]]