Document:

Exhibit 10.2

 

AMENDED AND RESTATED FORWARD PURCHASE AGREEMENT

 

November 2, 2021

 

Engaged Capital, LLC

610 Newport Center Drive, Suite 250

Newport Beach, California 92660

 

Ladies and Gentlemen:

 

This letter agreement (this
 “Agreement”) is being entered into by and among Engaged Capital, LLC, a Delaware limited liability company, acting
solely in its capacity as investment advisor (in such capacity, the “Advisor”) to one or more investment funds or accounts
(each such investment fund or account, a “Subscriber” and collectively, the “Subscribers”), SilverBox
Engaged Merger Corp I, a Delaware corporation (the “Company”), and Authentic Brands LLC, a Delaware limited liability
company (“BRCC”), and amends and restates as set forth herein the Forward Purchase Agreement, dated as of February
24, 2021, between the Company and Subscriber, pursuant to which the Subscriber agreed to purchase, and the Company agreed to sell, an
aggregate of 10,000,000 shares of Class A common stock, par value $0.0001 (the “Class A Common Stock”), of the Company,
for an aggregate purchase price of $100,000,000 in connection with the Company’s initial business combination.

 

This Agreement is being entered
into in connection with that certain Business Combination Agreement, dated as of the date hereof (as may be amended, supplemented or otherwise
modified from time to time, the “Transaction Agreement”), by and among the Company, Grand Opal Investment Holdings,
Inc., a Delaware corporation (“Blocker”), BRCC, BRC Inc., a Delaware corporation and a wholly owned subsidiary of SBEA
(“PubCo”), SBEA Merger Sub LLC, a Delaware limited liability company and a wholly owned subsidiary of PubCo (“Merger
Sub 1”), and BRCC Blocker Merger Sub LLC, a Delaware limited liability company and a wholly owned subsidiary of the Company
(“Merger Sub 2”), pursuant to which, among other things, (i) Merger Sub 1 will merge with and into SBEA, with Merger
Sub 1 surviving such merger as a wholly owned subsidiary of PubCo, and (ii) immediately following the foregoing merger, Merger Sub 2 will
merge with and into Blocker, with Blocker surviving such merger as a wholly owned subsidiary of Merger Sub 1, in each case, on the terms
and subject to the conditions set forth therein (collectively, the “Transaction”). Concurrently with the consummation
of the Transaction, the Securities (as defined below) will be automatically cancelled, extinguished and converted into PubCo Class A Shares
(as defined in the Transaction Agreement) on a one-for-one basis.

 

NOW, THEREFORE, in consideration
of the premises, representations, warranties and the mutual covenants contained in this Agreement, and for other good and valuable consideration,
the receipt, sufficiency and adequacy of which are hereby acknowledged, the parties hereto agree as follows:

 

1.      
Purchase of the Securities. For the sum of $100,000,000 (the “Purchase Price”), at the Closing (as defined
herein), the Company agrees to sell to the Subscribers, and the Subscribers agree to purchase from the Company, 10,000,000 shares (the
 “Securities”) of Class C common stock, par value $0.0001 per share (the “Class C Common Stock”),
of the Company, subject to and upon the terms and conditions set forth in this Agreement. No later than the business day immediately preceding
the date of the special meeting to approve the Transaction, the Advisor shall allocate to one or more Subscribers the obligation to purchase
the Securities set forth in this Section 1. Upon such allocation,

 

1.1   
such Subscriber shall execute a joinder to this Agreement, substantially in the form attached as Exhibit A hereto
(a “Joinder”), which shall reflect the number of Securities to be purchased by such Subscriber (the “Subscriber
Securities”), and, upon such execution, such Subscriber shall have all the rights and obligations of a Subscriber hereunder
with respect to the Subscriber Securities, and references herein to the “Subscriber” and “Securities” shall be
deemed to refer to such Subscriber and to its Subscriber Securities; provided, that any representations, warranties, covenants and agreements
of such Subscriber and any other Subscriber shall be several and not joint and shall be made as to such Subscriber or any other Subscriber,
as applicable, as to itself only; and

 

    

     

    

 

1.2   
 upon a Subscriber’s execution and delivery of a Joinder, the number of Securities to be purchased by such Subscriber hereunder
shall be reflected in Schedule A to this Agreement. For the avoidance of doubt, this Agreement need not be amended and restated
in its entirety, but only Schedule A need be completed by each of the Subscriber and the Company upon the occurrence of any such
allocation of the Forward Purchase Securities.

 

The Company acknowledges that this Agreement is
neither a commitment nor an obligation of the Advisor to purchase any Securities, unless otherwise expressly agreed in writing by the
Advisor.

 

2.      
Representations, Warranties and Agreements.

 

2.1   
Subscriber’s Representations, Warranties and Agreements. To induce the Company to issue the Securities to the Subscribers,
and BRCC to enter into the Transaction Agreement and this Agreement, upon the execution of a Joinder, each Subscriber hereby represents
and warrants, severally and not jointly, to the Company and to BRCC, and agrees with the Company and with BRCC as follows:

 

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

 

2.1.2          
No Conflicts. The execution, delivery and performance of this Agreement and the consummation by such Subscriber of the transactions
contemplated hereby do not violate, conflict with or constitute a default under (i) the formation and governing documents of such
Subscriber, (ii) any agreement, indenture or instrument to which such Subscriber is a party, (iii) any law, statute, rule or
regulation to which such Subscriber is subject, or (iv) any agreement, order, judgment or decree to which such Subscriber is subject,
in each case (other than clause (i)), which would have a material adverse effect on such Subscriber or its ability to consummate
the transactions contemplated by this Agreement.

 

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

 

2.1.4          
Experience, Financial Capability and Suitability. Such Subscriber is: (i) sophisticated in financial matters, is able
to evaluate the risks and benefits of the investment in the Securities and has the capacity to protect its own interests and (ii) able
to bear the economic risk of its investment in the Securities for an indefinite period of time because the Securities have not been registered
under the Securities Act of 1933, as amended (the “Securities Act”), and therefore cannot be sold unless pursuant
to an effective registration statement under the Securities Act (including pursuant to the Investor Rights Agreement (as defined below))
or an exemption from such registration is available with respect to such sale. Such Subscriber is able to afford a complete loss of such
Subscriber’s investment in the Securities.

 

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

 

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2.1.6          
Regulation D Offering. Such Subscriber represents that it is an “accredited investor” as such term is defined
in Rule 50l(a) of Regulation D promulgated under the Securities Act, and acknowledges the sale contemplated hereby is being
made in reliance on a private placement exemption to “accredited investors” within the meaning of Section 50l(a) of Regulation D
promulgated under the Securities Act or similar exemptions under federal or state law.

 

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

 

2.1.8          
Restrictions on Transfer; Shell Company. Such Subscriber understands the Securities are being offered in a transaction not
involving a public offering within the meaning of the Securities Act. Such Subscriber understands the Securities will be “restricted
securities” within the meaning of Rule 144(a)(3) under the Securities Act, and such Subscriber understands that any certificates
representing the Securities will contain a legend in respect of such restrictions. If in the future such Subscriber decides to offer,
resell, pledge or otherwise transfer the Securities, such Securities may be offered, resold, pledged or otherwise transferred only pursuant
to: (i) registration under the Securities Act or (ii) an available exemption from registration. Such Subscriber agrees that
if any transfer of its Securities or any interest therein is proposed to be made, as a condition precedent to any such transfer, such
Subscriber may be required to deliver to the Company an opinion of counsel satisfactory to the Company. Absent registration or an exemption,
such Subscriber agrees not to resell the Securities. Such Subscriber further acknowledges that because the Company is a shell company,
Rule 144 may not be available to such Subscriber for the resale of the Securities until one (1) year following consummation
of the Business Combination, despite technical compliance with the requirements of Rule 144 and the release or waiver of any contractual
transfer restrictions.

 

2.1.9          
No Governmental or Other Consents. No governmental, administrative or other third-party consents, order or authorization,
registration, qualification, designation, declaration, filing, or approvals are required or necessary on the part of such Subscriber in
connection with the transactions contemplated by this Agreement.

 

2.1.10       
No Public Market. Such Subscriber understands that no public market now exists for the Securities, and that neither the
Company nor BRCC has made any assurances that a public market will ever exist for the Securities.

 

2.1.11       
High Degree of Risk. Such Subscriber understands that its agreement to purchase the Securities involves a high degree of
risk, which could cause such Subscriber to lose all or part of its investment.

 

2.1.12       
No General Solicitation. Neither such Subscriber, nor, to its knowledge, any of its officers, directors, employees, agents,
stockholders or partners has either directly or indirectly, including, through a broker or finder (i) engaged in any general solicitation,
or (ii) published any advertisement in connection with the offer and sale of the Securities.

 

2.1.13       
Adequacy of Financing. At the time of the Closing, such Subscriber will have available to it sufficient funds to satisfy
its obligations under this Agreement.

 

2.2   
Company’s Representations, Warranties and Agreements. To induce the Subscribers to purchase the Securities, the Company
hereby represents and warrants to the Subscribers as follows:

 

2.2.1           Organization
and Corporate Power. The Company is a Delaware corporation duly incorporated and validly existing and in good standing under the
laws of the State of Delaware. The Company is qualified to do business in every jurisdiction in which the failure to so qualify
would reasonably be expected to have a material adverse effect on the financial condition, operating results or assets of the
Company. The Company possesses all requisite corporate power and authority necessary to carry out its business as presently
conducted and as proposed to be conducted, including, without limitation, the transactions contemplated by this Agreement. As of the
date hereof, the Company has no subsidiaries other than PubCo, Merger Sub 1 and Merger Sub 2.

 

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

 

2.2.3          
Title to Securities. Upon issuance in accordance with, and payment pursuant to, the terms hereof, the Securities will be
duly and validly issued, fully paid and non-assessable. Upon issuance in accordance with, and payment pursuant to, the terms hereof the
Subscriber will have or receive good title to the Securities, free and clear of all liens, claims and encumbrances of any kind, other
than (i) transfer restrictions described herein and under federal and state securities laws, and (ii) liens, claims or encumbrances
imposed due to the actions of the Subscriber. Assuming the accuracy of the representations of the Subscriber in this Agreement, the Securities
will be issued in compliance with all applicable federal and state securities laws.

 

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

 

2.2.5          
Authorization. All corporate action on the part of the Company, its officers, directors and stockholders necessary for the
authorization, execution and delivery of this Agreement, the Securities, the performance of all obligations of the Company required pursuant
hereto, and the authorization, issuance or reservation for issuance of the Securities, has been taken. Upon execution and delivery by
the Company, BRCC and the Subscriber of this Agreement, this Agreement will constitute a valid and legally binding obligation of the Company,
enforceable in accordance with its terms, except as such enforceability may be limited by applicable bankruptcy, insolvency, reorganization,
moratorium, fraudulent conveyance or similar laws affecting the enforcement of creditors’ rights generally and subject to general
principles of equity (regardless of whether enforcement is sought in a proceeding at law or in equity).

 

2.2.6          
Capitalization. The authorized capital stock of the Company on the date hereof, consists of 100,000,000 shares of Class A
Common Stock, 34,500,000 of which are issued and outstanding, 10,000,000 shares of Class B common stock, par value $0.0001 per
share (“Class B Common Stock”, and together with the Class A Common Stock, the “Common Stock”),
8,625,000 shares of which are issued and outstanding, and 1,000,000 shares of preferred stock, no shares of which are issued and
outstanding. Immediately following the filing of the Second Amended and Restated Certificate of Incorporation of the Company, 20,000,000
shares of Class C Common Stock will be authorized, no shares of which will be issued and outstanding immediately prior to the Forward
Closing Date. All issued and outstanding shares of the Common Stock (i) have been duly authorized and validly issued and (ii) are
fully paid and non-assessable. The rights, preferences, privileges and restrictions of the Common Stock are as stated in the Certificate
of Incorporation currently on file with the Delaware Secretary of State. There are no outstanding rights, options, warrants, preemptive
rights, rights of first refusal or similar rights for the purchase or acquisition from the Company of any securities of the Company.

 

2.2.7          
No Governmental or Other Consents. No governmental, administrative or other third-party consents, approvals, notices or
filings are required or necessary on the part of the Company in connection with the transactions contemplated by this Agreement, other
than the filing of a Form D with the Securities and Exchange Commission (the “SEC”) and such state Blue Sky, FINRA
and Nasdaq (or other applicable stock exchange) consents and approvals as may be required.

 

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2.2.8          
 Operations. As of the date hereof, the Company has not conducted, and prior to the Closing the Company will not conduct,
any operations other than as described in its filings with the SEC and activities in connection with the Business Combination.

 

3.      
Settlement Date and Delivery.

 

3.1   
Closing. The Company shall deliver a notice to the Subscriber, at least five (5) Business Days before the closing of the Business
Combination (the “Business Combination Closing”) (or such lesser number of days as the Subscriber may consent to in
writing), specifying the date of the Business Combination Closing, the aggregate Purchase Price for the Securities to be purchased by
the Subscriber and instructions for wiring the Purchase Price. The closing of the sale of the Securities (the “Closing”)
shall be held on the business day immediately prior to the date of the Business Combination Closing (such date being referred to as the
 “Forward Closing Date”). Except as otherwise mutually agreed by the parties hereto, at least one (1) Business
Day prior to the Forward Closing Date, the Subscriber shall deliver to the Company, to be held in escrow until the Closing, the Purchase
Price for the Securities by wire transfer of U.S. dollars in immediately available funds to the account specified by the Company
in such notice. Immediately prior to the Closing on the Forward Closing Date, (i) the Purchase Price shall be released from escrow
automatically and without further action by the Company or the Subscriber and (ii) upon such release, the Company shall issue the
Securities to the Subscriber in book-entry form, free and clear of any liens or other restrictions whatsoever (other than those arising
under state or federal securities laws), registered in the name of the Subscriber (or its nominee in accordance with its delivery instructions),
or to a custodian designated by the Subscriber, as applicable. In the event the Business Combination Closing does not occur on the date
scheduled for closing (unless otherwise extended), the Closing shall not occur, and the Company shall promptly (but not later than one
(1) Business Day thereafter) return the Purchase Price to the Subscriber. For purposes of this Agreement, “Business Day”
means any day, other than a Saturday or a Sunday, that is neither a legal holiday nor a day on which banking institutions are generally
authorized or required by law or regulation to close in the City of New York, New York.

 

3.2   
Conditions to Closing of the Company. The Company’s obligations to sell and issue the Securities at the Closing are
subject to the fulfillment at or prior to the Closing, as applicable, of each of the following conditions:

 

3.2.1          
Representations and Warranties Correct. The representations and warranties made by the Subscriber in Section 2.1 hereof
shall be true and correct in all material respects when made and shall be true and correct in all material respects on and as of the Forward
Closing Date (unless they specifically speak as of another date in which case they shall be true and correct in all material respects
as of such date) with the same force and effect as if they had been made on and as of said date.

 

3.2.2          
Blue Sky. The Company shall have obtained all necessary Blue Sky law permits and qualifications, or secured an exemption
therefrom, required by any state for the offer and sale of the Securities.

 

3.2.3          
No Injunction. No order, writ, judgment, injunction, decree, determination, or award shall have been entered by or with
any governmental, regulatory, or administrative authority or any court, tribunal, or judicial, or arbitral body, and no other legal restraint
or prohibition shall be in effect, preventing the purchase by the Subscriber of the Securities.

 

3.2.4          
Second Amended and Restated Certificate of Incorporation of the Company. The Second Amended and Restated Certificate of
Incorporation of the Company shall have been filed with the Delaware Secretary of State.

 

3.3   
Conditions to Closing of the Subscriber. The Subscriber’s obligation to purchase the Securities at the Closing is
subject to the fulfillment on or prior to the Forward Closing Date, as applicable, of each of the following conditions:

 

3.3.1           Representations
and Warranties Correct. The representations and warranties made by the Company in Section 2.2 of this Agreement shall be
true and correct in all material respects when made and shall be true and correct in all material respects on and as of the Forward
Closing Date (unless they specifically speak as of another date in which case they shall be true and correct in all material
respects as of such date) with the same force and effect as if they had been made on and as of said date.

 

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3.3.2          
Covenants. All covenants, agreements and conditions contained in this Agreement to be performed by the Company on or prior
to the Forward Closing Date shall have been performed or complied with in all material respects.

 

3.3.3          
Blue Sky. The Company shall have obtained all necessary Blue Sky law permits and qualifications, or secured an exemption
therefrom, required by any state for the offer and sale of the Securities.

 

3.3.4          
Investor Rights Agreement. PubCo shall have entered into an investor rights agreement (the “Investor Rights Agreement”)
in the form attached to the Transaction Agreement.

 

3.3.5          
Business Combination. All conditions precedent to the closing of the Transaction set forth in the Transaction Agreement,
including the approval of the Company’s stockholders and regulatory approvals, if any, shall have been satisfied (other than those
conditions which, by their nature, are to be satisfied by a party to the Transaction Agreement at the closing of the Transaction, but
subject to satisfaction or waiver by such party of such conditions as of the closing of the Transaction) or waived.

 

3.3.6          
No Injunction. No order, writ, judgment, injunction, decree, determination, or award shall have been entered by or with
any governmental, regulatory, or administrative authority or any court, tribunal, or judicial, or arbitral body, and no other legal restraint
or prohibition shall be in effect, preventing the purchase by the Subscriber of the Securities.

 

4.      
[RESERVED]

 

5.      
Restrictions on Transfer of Securities.

 

5.1   
Transfer Restrictions. The Subscriber hereby agrees not to sell, transfer, pledge, hypothecate or otherwise dispose of all
or any part of the Securities prior to their conversion into PubCo Class A Shares upon consummation of the Transaction, and thereafter
subject to the provisions of the Investor Rights Agreement.

 

5.2   
Restrictive Legends.

 

5.2.1          
Restrictive Legends. Subject to Section 5.2.2, the book entry for the Securities shall contain a notation, and each
certificate (if any) representing any Securities shall have endorsed thereon a legend substantially as follows:

 

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

 

5.2.2           Legend
Removal. (i) In connection with a transfer of Securities exempt from Section 5 of the Securities Act or through any
broker-dealer transactions described in the plan of distribution set forth within a prospectus and pursuant to the registration
statement of which such prospectus forms a part and (ii) at any time following the Securities being eligible for resale under Rule
144 promulgated under the Securities Act, without restriction, upon the Subscriber’s request, subject to applicable law, as
interpreted by the Company with the advice of counsel, and the receipt of any customary documentation required from the Subscriber
in connection therewith (including a representation that the Subscriber will only sell the Securities in accordance with such
registration statement or Rule 144 promulgated under the Securities Act, as applicable), the Company shall (a) promptly instruct its
transfer agent to remove any restrictive legends applicable to the Securities being transferred and (b) cause its legal counsel
(which may be internal counsel to the Company) to deliver the necessary legal opinions, if any, to the transfer agent in connection
with the instruction under clause (a). In addition, the Company shall cooperate reasonably with, and take such customary actions as
may reasonably be requested by the Subscriber, in connection with the aforementioned transfers; provided, however, that the Company
shall have no obligation to participate in any “road shows” or assist with the preparation of any offering memoranda or
related documentation with respect to any transfer of Securities in any transaction that does not constitute an underwritten
offering. The Company agrees to indemnify the transfer agent for the Securities as reasonably necessary and requested by the
transfer agent to avoid the Subscriber of Securities having to provide a stock power with medallion guarantee in connection with a
transfer of Securities. Following the consummation of the Transaction, the obligations of the Company under this Section 5 shall be
assumed by PubCo and references to the Company shall refer to PubCo where applicable.

 

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5.3   
Additional Shares or Substituted Securities. In the event of the declaration of a share dividend, the declaration of an
extraordinary dividend payable in a form other than Common Stock, a spin-off, a share split, an adjustment in conversion ratio, a recapitalization
or a similar transaction affecting the Company’s outstanding Common Stock without receipt of consideration, any new, substituted
or additional securities or other property which are by reason of such transaction distributed with respect to any Securities subject
to this Section 5 or into which such Securities thereby become convertible shall immediately be subject to this Section 5 and
Section 3. Appropriate adjustments to reflect the distribution of such securities or property shall be made to the number and/or
class of Securities subject to this Section 5 and Section 3.

 

6.      
Other Agreements.

 

6.1   
Further Assurances. Each of the Company, BRCC and the Subscriber agrees to execute such further instruments and to take
such further action as may reasonably be requested by the other party to carry out the intent of this Agreement.

 

6.2   
Notices. All notices, statements or other documents that are required or contemplated by this Agreement shall be in writing
and shall be deemed effectively given upon the earlier of actual receipt and (i) personal delivery, (ii) five (5) days
after having been sent by first class registered or certified mail, (iii) one (1) Business Day after delivery to an overnight
courier service or (iv) one (1) Business Day after transmission by e-mail. All such communications sent to the Company shall
be sent to: SilverBox Engaged Merger Corp I, 1250 S. Capital of Texas Highway, Austin, TX 78746, Attn: Stephen M. Kadenacy, E-mail: sk@sbcap.com,
or to such other address as may be designated in writing by the Company from time to time. All such communications sent to BRCC shall
be sent to: Authentic Brands, LLC, 1144 S. 500 W, Salt Lake City, UT 84101, Attn: Tom Davin, Co-CEO, E-mail: tom.davin@blackriflecoffee.com,
or to such other address as may be designated in writing by the Company from time to time. All such communications sent to the Subscriber
shall be sent to the Subscriber’s address or email address, as applicable, as set forth on Exhibit A hereto, or to
such other address as may be designated in writing by the Subscriber from time to time, in which event the Company shall amend Exhibit A
hereto to reflect such new address.

 

6.3   
Entire Agreement. This Agreement, together with any documents, instruments and writings that are delivered pursuant hereto
or referenced herein, embodies the entire agreement and understanding between the Subscriber, the Company and BRCC with respect to the
subject matter hereof and supersedes all prior oral or written agreements and understandings relating to the subject matter hereof. No
statement, representation, warranty, covenant or agreement of any kind not expressly set forth in this Agreement shall affect, or be used
to interpret, change or restrict, the express terms and provisions of this Agreement.

 

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

 

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

 

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6.6   
 Assignment. This Agreement, and the rights and obligations hereunder (including the Subscriber’s rights and obligation
to purchase the Securities), may not be assigned, in whole or in party, by either party hereto without the prior written consent of the
other party, which consent may not be unreasonably withheld by the Company with respect to assignments by the Subscriber contemplated
by Section 4.

 

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

 

6.8   
Governing Law and Venue. This Agreement and the rights and obligations of the parties hereunder shall be construed in accordance
with and governed by the laws of New York applicable to contracts wholly performed within the borders of such state, without giving effect
to the conflict of law principles thereof. The parties hereto (i) agree that any action, proceeding, claim or dispute arising out
of, or relating in any way to, this Agreement shall be brought and enforced in the federal or state courts of New York City, in the State
of New York, and the applicable appellate courts therefrom, 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, subject to the provisions of the Securities Act or the Securities Exchange Act of 1934, as amended.

 

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

 

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

 

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

 

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

 

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

 

    8

     

    

 

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

 

6.15 Construction. The
words “include,” “includes,” and “including” will be deemed to be followed by
 “without limitation.” Pronouns in masculine, feminine, and neuter genders will be construed to include any other gender,
and words in the singular form will be construed to include the plural and vice versa, unless the context otherwise requires. The words
 “this Agreement,” “herein,” “hereof,” “hereby,” “hereunder,”
and words of similar import refer to this Agreement as a whole and not to any particular subdivision unless expressly so limited. The
parties hereto intend that each representation, warranty, and covenant contained herein will have independent significance. If any party
hereto has breached any representation, warranty, or covenant contained herein in any respect, the fact that there exists another representation,
warranty or covenant relating to the same subject matter (regardless of the relative levels of specificity), which such party hereto has
not breached will not detract from or mitigate the fact that such party hereto is in breach of the first representation, warranty, or
covenant.

 

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

 

6.17 Specific Performance.
The parties hereto acknowledge and agree that (i) this Agreement is being entered into in order to induce BRCC and the Company to execute
and deliver the Transaction Agreement and (ii) irreparable damage would occur in the event that any of the provisions of this Agreement
were not performed in accordance with their specific terms or were otherwise breached and that money or other legal remedies would not
be an adequate remedy for such damage. It is accordingly agreed that the parties shall be entitled to equitable relief, including in the
form of an injunction or injunctions to prevent breaches or threatened breaches of this Agreement and to enforce specifically the terms
hereof, and provisions of this Agreement, this being in addition to any other remedy to which such party is entitled at law or, in equity,
in contract, in tort or otherwise. The parties hereto acknowledge and agree that each of BRCC and the Company shall be entitled to specifically
enforce the Subscriber’s obligations to purchase the Securities under this Agreement, on the terms and subject to the conditions
set forth herein. The parties hereto further acknowledge and agree: (x) to waive any requirement for the security or posting of any bond
in connection with any such equitable remedy; (y) not to assert that a remedy of specific enforcement pursuant to this Section 6.17 is
unenforceable, invalid, contrary to applicable law or inequitable for any reason; and (z) to waive any defenses in any action for specific
performance, including the defense that a remedy at law would be adequate.

 

7.      
No Short Sales. The Subscriber hereby agrees that, from the date of this Agreement, none of the Subscriber, its controlled
affiliates, or any person or entity acting on behalf of the Subscriber or any of its controlled affiliates or pursuant to any understanding
with the Subscriber or any of its controlled affiliates will engage in any hedging or other transactions or arrangements (including, without
limitation, any short sale or the purchase or sale of, or entry into, any put or call option, or combination thereof, forward, swap or
any other derivative transaction or instrument, however described or defined) designed or intended, or which could reasonably be expected
to lead to or result in, a sale, loan, pledge or other disposition or transfer (whether by the Subscriber or any other person) of any
economic consequences of ownership, in whole or in part, directly or indirectly, of any securities of the Company prior to the Forward
Closing Date, whether any such transaction or arrangement (or instrument provided for thereunder) would be settled by delivery of securities
of the Company, in cash or otherwise, or to publicly disclose the intention to undertake any of the foregoing.

 

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

 

    9

     

    

 

9.      
Term.

 

9.1   
 Termination. Unless otherwise terminated by mutual agreement, the Subscriber’s obligation to acquire the Securities
hereunder, and the Company’s obligation to sell the Securities hereunder, shall be in effect until the occurrence of any of the
following (upon which occurrence this Agreement shall automatically terminate): (i) the consummation of the Business Combination
within the time frame permitted by the Company’s amended and restated certificate of incorporation (the “Charter”),
which is 27 months from the consummation of the IPO, including any extensions beyond such term effected pursuant to the terms of
the Charter, and (ii) the liquidation of the Company in the event that the Company is unable to consummate the Business Combination
within the time frame permitted by the Charter (including any extensions).

 

9.2   
Effect of Termination. In the event of any termination of this Agreement pursuant to this Section 9, the Purchase Price
(and interest thereon, if any), if previously paid, and all of the Subscriber’s funds paid in connection herewith shall be promptly
returned to the Subscriber, and thereafter this Agreement shall forthwith become null and void and have no effect, without any liability
on the part of the Subscriber, the Company, BRCC or their respective directors, officers, employees, partners, managers, members, stockholders
or other equity holders and all rights and obligations of each party shall cease; provided, however, that nothing contained in
this Section 9 shall relieve any party from liabilities or damages arising out of any fraud or willful breach by such party of any
of its representations, warranties, covenants or agreements contained in this Agreement.

 

10.   
Disclosure. The Subscriber hereby acknowledges that its identity and this Agreement, as well as the nature of the Subscriber’s
obligations hereunder, may be disclosed in any public disclosure required by the SEC and in any registration statement, proxy statement,
consent solicitation statement or any other SEC filing to be filed by the Company in connection with the issuance of the Securities contemplated
by this Agreement and/or the Transaction, provided that such disclosure is required by federal securities laws, rules or regulations or
by other laws, rules or regulations, at the request of the staff of the SEC or regulatory agency or under the regulations of any applicable
stock exchange.

 

11.   
Waiver of Claims against Trust. The Subscriber hereby acknowledges that it is aware that the Company established a trust
account (the “Trust Account”) for the benefit of its public stockholders upon the closing of the IPO. The Subscriber
hereby agrees that it has no right, title, interest or claim of any kind in or to any monies held in the Trust Account, except for redemption
and liquidation rights the Subscriber may have in respect of any shares of Class A Common Stock issued as part of the units sold
in the IPO (“Public Shares”) held by the Subscriber, if any. The Subscriber hereby agrees that it shall have no right
of set-off or any right, title, interest or claim of any kind (“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, except for redemption
and liquidation rights the Subscriber may have in respect of any Public Shares held by the Subscriber, if any. In the event the Subscriber
has any Claim against the Company under this Agreement, the Subscriber 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, except for redemption and liquidation rights
the Subscriber may have in respect of any Public Shares held by the Subscriber, if any.

 

[Signature Page Follows]

 

    10

     

    

 

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

 

	 	Very truly yours,
	 	 	 
	 	SILVERBOX
    ENGAGED MERGER CORP I
	 	 	 
	 	By:	/s/ Stephen Kadenacy       
	 	Name:	Stephen
    Kadenacy
	 	Title:	Chief
    Executive Officer
	 	 	 
	 	AUTHENTIC
    BRANDS LLC
	 	 	 
	 	By:	/s/ Tom Davin          
	 	Name:	Tom Davin
	 	Title:	Co-Chief Executive Officer

 

Accepted and agreed as of the date first set forth above.

 

	ENGAGED
    CAPITAL, LLC	 
	 	 	 
	By:	/s/ Glenn Welling                      	 
	Name:	Glenn
    Welling	 
	Title:	Managing
    Member	 

 

Exhibit B-1Exhibit 10.3

 

November 2, 2021

 

BRC Inc.

c/o SilverBox Engaged Merger Corp I

1250 S. Capital of Texas Highway

Building 2, Suite 285

Austin, TX 78746

 

Authentic Brands LLC

1144 S 500 W

Salt Lake City, UT 84101

 

Re: Sponsor Letter Agreement

 

Ladies and Gentlemen:

 

Reference is made to that
certain Business Combination Agreement, dated as of November 2, 2021 (as may be further amended,
restated, supplemented or otherwise modified from to time, the “Combination Agreement”), by and among SilverBox
Engaged Merger Corp I, a Delaware corporation (“SilverBox”), BRC Inc., a Delaware public benefit corporation and wholly
owned subsidiary of SilverBox (“Pubco”), SBEA Merger Sub LLC, a Delaware limited liability company and wholly owned
subsidiary of Pubco (“Merger Sub 1”), BRCC Blocker Merger Sub LLC, a Delaware limited liability company and wholly
owned subsidiary of SilverBox (“Merger Sub 2”), Grand Opal Investment Holdings, Inc., a Delaware corporation, and Authentic
Brands LLC, a Delaware limited liability company (the “Company”). Capitalized terms used but not otherwise defined
herein shall have the meanings ascribed to such terms in the Combination Agreement.

 

WHEREAS, SilverBox Engaged
Sponsor LLC, a Delaware limited liability company (the “Sponsor”), currently holds (a) 8,625,000 founder
shares, which upon the Closing will convert into 7,383,750 Pubco Class A Shares (the “Class A Sponsor Shares”), 620,625
shares of Series C-1 Common Stock, par value $0.0001 per share, of Pubco (the “Series C-1 Common Stock”), 620,625 shares
of Series C-2 Common Stock, par value $0.0001 per share, of Pubco (the “Series C-2 Common Stock” and, together with
the Series C-1 Common Stock, the “Restricted Shares”; the Restricted Shares, together with the Class A Sponsor Shares,
the “Sponsor Shares”), and (b) 6,266,667 private placement warrants, which will be exercisable for an aggregate of
6,266,667 Pubco Class A Shares (the “Sponsor Warrants”); and

 

WHEREAS, in order to induce
the Company to consummate the transactions contemplated by the Combination Agreement, and for other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the Sponsor, Pubco and the Company hereby agree as follows:

 

1.                  
Agreement to Vote. The Sponsor hereby unconditionally and irrevocably agrees to (a)
vote at any meeting of the shareholders of SilverBox, however called (including any adjournment or postponement thereof), and in any action
by written resolution of the shareholders of SilverBox, all of the SilverBox Class B Shares held by the Sponsor (together with any other
Equity Securities of SilverBox that the Sponsor holds of record or beneficially, as of the date of this letter agreement, or acquires
record or beneficial ownership after the date hereof) in favor of the Transaction Proposals and (b) withhold consent with respect to any
matter, action or proposal that would reasonably be expected to result in a material breach of any of SilverBox’s covenants, agreements
or obligations under the Combination Agreement or any of the conditions to the Closing set forth therein not being satisfied.

 

2.                   Waiver
of Anti-Dilution Adjustment. The Sponsor hereby (a) waives, subject to, and conditioned upon, the occurrence of the Closing
(for itself and for its successors, heirs and assigns), and (b) agrees not to assert or perfect, in each case, any
rights to adjustment or other anti-dilution or similar protections with respect to the rate that the SilverBox Class B Shares
held by the Sponsor convert into SilverBox Class A Shares in connection with the transactions contemplated by the Combination
Agreement (including, for the avoidance of doubt, the transactions contemplated by the Subscription Agreements).

 

     

     

    

 

3.                  
Treatment of Sponsor Shares and Sponsor Warrants.

 

(a)                Pursuant to the terms and subject to the conditions set forth herein, including adjusting for shares subject to forfeiture in Section 3(b)
and shares to be donated under Section 4(a), the Sponsor shall retain 7,033,750 of the Sponsor Shares and all of the Sponsor Warrants
with no vesting criteria, forfeitures or other adjustments.

 

(b)               Notwithstanding
Section 3(a), (i) 1,158,500 Class A Sponsor Shares shall be forfeited at Closing; (ii) an aggregate of 1,241,250 Restricted Shares
shall be non-transferrable and remain subject to forfeiture and cancellation as set forth in Sections 5 and 6; and (iii)
a number of the Class A Sponsor Shares equal to the Adjusted Percentage multiplied by the number of Net Sponsor Shares shall be forfeited
by the Sponsor in the event that, upon the Closing, the gross proceeds available for release to Sponsor from the Trust Account, plus
the gross proceeds of the PIPE Financing (including through an additional PIPE financing) and the FPA Financing, before deductions for
Transaction Expenses and other intended uses of cash, in each case pursuant to the terms of the Combination Agreement (the “Cash
Threshold Amount”), is less than $445,000,000; provided, that the aggregate number of Class A Sponsor Shares subject
to forfeiture pursuant to this Section 3(b)(iii) shall not exceed 2,068,750 Class A Sponsor Shares (the Class A Sponsor Shares
subject to forfeiture pursuant to this Section 3(b)(iii), collectively, the “Additional Subject Shares”). Immediately
upon the forfeiture of the Additional Subject Shares, for each Additional Subject Share so forfeited there shall be a corresponding decrease
(on a one-for-one basis) in the aggregate number of Company Common Units issued by the Company to Pubco at the Closing.

 

(c)               Within
30 days following the Closing Date, the Sponsor and any other Person holding Restricted Shares shall file with the Internal Revenue Service
(the “IRS”), via certified mail, return receipt requested, a completed election on a protective basis under Section
83(b) of the Code and the regulations promulgated thereunder, with respect to its Restricted Shares, in the form attached hereto as Exhibit
A and, upon such filing, shall thereafter provide Pubco with a copy of such election and proof of timely filing with the IRS. The
Sponsor (and any other Person holding Restricted Shares) should consult its tax advisor regarding the consequences of Code Section 83(b)
elections as well as the receipt, holding, vesting, sale and forfeiture of the Restricted Shares.

 

4.                  
Donation of Sponsor Shares.

 

(a)               The
Sponsor has offered to and, on the Closing Date concurrently with the Closing, the Sponsor shall, donate 332,500 Class A Sponsor Shares
to the BRCC Fund, a 501(c)(3) nonprofit organization (“BRCC Fund”), and, subject to certain of the Existing Company
Unitholders concurrently donating, on a collective basis, at least 100,000 shares of Pubco Common Stock to the BRCC Fund, the Sponsor
shall donate an additional 100,000 Class A Sponsor Shares to the BRCC Fund. For the avoidance of doubt, no Class A Sponsor Shares donated
pursuant to this Section 4(a) shall be Restricted Shares. In connection with the donation contemplated in the immediately
foregoing sentence, the Existing Company Unitholders shall have the right to donate Company Common Units or Pubco Class A Shares, at
their election.

 

(b)               Notwithstanding
anything in Section 3 or this Section 4 to the contrary, in the event that, at any time prior to the first anniversary
of the Closing Date, the trailing 30-day VWAP of Pubco Class A Shares equals or exceeds $15.00 per share, then at any time
thereafter, (i) the Sponsor or any holder of the Sponsor Warrants (a “Sponsor Warrantholder”) shall be entitled
to exercise the Sponsor Warrants by cashless exercise (i.e., exercise the Sponsor Warrants and purchase an equivalent value of Pubco
Class A Shares) by delivering written notice to the Company and the warrant agent; or (ii) the Company may at any time deliver
written notice to the Sponsor Warrantholders and the warrant agent requiring the Sponsor Warrantholders to exercise the Sponsor
Warrants by cashless exercise. In the event of an exercise on a cashless basis, each Sponsor Warrantholder would pay the warrant
exercise price by surrendering the Sponsor Warrants for that number of Pubco Class A Shares equal to the lesser of (A) the quotient
obtained by dividing (x) the product of the number Pubco Class A Shares underlying the Sponsor Warrantholder’s Sponsor
Warrants, multiplied by the difference between the exercise price of the Sponsor Warrants and the Fair Market Value of the Pubco
Class A Shares by (y) the fair market value the Pubco Class A Shares and (B) 0.361. In the event of an exercise on a cashless basis
initiated by the Company, a Sponsor Warrantholder would pay the warrant exercise price by surrendering their Sponsor Warrants for
that number of shares of Pubco Class A Shares equal to 0.361. The Sponsor Warrants shall be deemed to be amended to the extent
necessary to implement the foregoing terms set forth in this Section 4(b), and the Sponsor and the Company shall take all
actions necessary or appropriate in connection therewith.

 

    2 

     

    

 

5.                  
Conversion of Restricted Shares.

 

(a)               
Pursuant to the Amended and Restated Company LLC Agreement, Pubco will hold a number of Restricted Units equal to the aggregate
number of outstanding Restricted Shares. Each Restricted Share will be held in accordance with this letter agreement unless and until
an applicable Vesting Event in accordance with the Amended and Restated Company LLC Agreement occurs with respect to the Restricted Unit
held by Pubco corresponding to such Restricted Share.

 

(b)               
The occurrence of (i) a First Tier Vesting Event or Partial Vesting Event (based on the First Tier Vesting Event threshold) applicable
to Restricted Units in accordance with the Amended and Restated Company LLC Agreement, if ever, shall be treated for purposes of this
letter agreement and the Amended and Restated Certificate of Incorporation of Pubco (the “Pubco Charter”) as a conversion
event in respect of the Series C-1 Common Stock (a “C-1 Conversion Event”) upon and after the Conversion Date
with respect to such Restricted Units, (ii) a Second Tier Vesting Event or Partial Vesting Event (based on the Second Tier Vesting Event
threshold) applicable to Restricted Units in accordance with the Amended and Restated Company LLC Agreement, if ever, shall be treated
for purposes of this letter agreement and the Pubco Charter as a conversion event in respect of the Series C-2 Common Stock (a “C-2
Conversion Event”) upon and after the Conversion Date with respect to such Restricted Units, and (iii) a Full Vesting Event
applicable to Restricted Units in accordance with the Amended and Restated Company LLC Agreement, if ever, shall be treated for purposes
of this letter agreement and the Pubco Charter as a conversion event in respect of the Series C-1 Common Stock and the Series C-2 Common
Stock (a “Full Conversion Event” and, together with any C-1 Conversion Event or any C-2 Conversion Event, collectively,
the “Conversion Events”) upon and after the Conversion Date with respect to such Restricted Units.

 

(c)               
On a Conversion Date in respect of a Conversion Event, each Restricted Share to which such Conversion Event applies shall convert,
automatically and without any further action by the Sponsor, Pubco or any other Person, into an equal number of Pubco Class A Shares in
accordance with Section 4.3(D) of the Pubco Charter; provided that, if a C-1 Conversion Event has not occurred at the time of the
occurrence of a C-2 Conversion Event, such C-1 Conversion Event shall be deemed to also occur upon the occurrence of the C-2 Conversion
Event, such that all of the then outstanding Series C-1 Common Stock, if any, and Series C-2 Common Stock shall convert on the Conversion
Date in respect of such Conversion Event in accordance with this Section 5.

 

    3 

     

    

 

6.                  
Cancellation of Restricted Shares.

 

(a)               
 To the extent that, on or before the fifth anniversary of the Closing Date, the First Tier Vesting Event has not occurred with
respect to a Restricted Unit pursuant to the Amended and Restated Company LLC Agreement and as a result any share of Series C-1 Common
Stock has not converted in accordance with Section 5 hereof, then immediately and without any further action under this letter
agreement, on the date that is the fifth anniversary of the Closing Date, 620,625 shares of Series C-1 Common Stock shall automatically
be forfeited to Pubco and canceled for no consideration therefor and shall cease to be outstanding and any dividend declared in respect
of such shares of Series C-1 Common Stock shall also be forfeited to Pubco for no consideration therefor.

 

(b)               
To the extent that, on or before the seventh anniversary of the Closing Date, the Second Tier Vesting Event has not occurred with
respect to a Restricted Unit pursuant to the Amended and Restated Company LLC Agreement and as a result any share of Series C-2 Common
Stock has not converted in accordance with Section 5 hereof, then immediately and without any further action under this letter
agreement, on the date that is the seventh anniversary of the Closing Date, all of the remaining shares of Series C-2 Common Stock outstanding
shall automatically be forfeited to Pubco and canceled for no consideration therefor and shall cease to be outstanding and any dividend
declared in respect of such shares of Series C-2 Common Stock shall also be forfeited to Pubco for no consideration therefor.

 

7.                  
Definitions. For purposes of this letter agreement:

 

(a)               
“Adjusted Percentage” means a percentage between 0% and 25%, based on a linear interpolation of the Cash Threshold
Amount at the Closing between $445,000,000 and $300,000,000; provided that, for the avoidance of doubt, if the Cash Threshold Amount
is (a) above $445,000,000, then the Adjusted Percentage shall be deemed to be 0% and (b) below $300,000,000, then the Adjusted
Percentage shall be deemed to be 25%.

 

(b)               
“Conversion Date” has the meaning set forth in the Amended and Restated Company LLC Agreement.

 

(c)               
“Fair Market Value” means, with respect to the Pubco Class A Shares, the average closing price of the Pubco
Class A Shares for the ten trading days ending on the third trading day prior to the date on which the notice of exercise is received
by the warrant agent.

 

(d)               
“First Tier Vesting Event” has the meaning set forth in the Amended and Restated Company LLC Agreement.

 

(e)               
“Full Vesting Event” has the meaning set forth in the Amended and Restated Company LLC Agreement.

 

(f)                
“Net Sponsor Shares” means 8,275,000 Sponsor Shares.

 

(g)               
“Partial Vesting Event” has the meaning set forth in the Amended and Restated Company LLC Agreement.

 

(h)               
“Restricted Units” has the meaning set forth in the Amended and Restated Company LLC Agreement.

 

(i)                
“Second Tier Vesting Event” has the meaning set forth in the Amended and Restated Company LLC Agreement.

 

(j)                
 “Vesting Event” has the meaning set forth in the Amended and Restated Company LLC Agreement.

 

    4 

     

    

 

8.                  
Transfer; Removal of Legends. Prior to the final determination of the number of Sponsor Shares to be adjusted in accordance
with this letter agreement (if any), the Sponsor shall not, directly or indirectly, (a) sell, assign, transfer (including by operation
of law), place a lien on, pledge, dispose of or otherwise encumber any of the Sponsor Shares or otherwise agree to do any of the foregoing,
(b) deposit any of the Sponsor Shares into a voting trust or enter into a voting agreement or arrangement or grant any proxy or power
of attorney with respect any of the Sponsor Shares that conflicts with any of the covenants or agreements set forth in this letter agreement,
(c) enter into any contract, option or other arrangement or undertaking with respect to the direct or indirect acquisition or sale, assignment,
transfer (including by operation of law) or other disposition of any of the Sponsor Shares, (d) engage in any hedging or other transaction
which is designed to, or which would (either alone or in connection with one or more events, developments or events (including the satisfaction
or waiver of any conditions precedent)), lead to or result in a sale or disposition of the Sponsor Shares even if such Sponsor Shares
would be disposed of by a person other than such Person or (e) take any action that would have the effect of preventing or materially
delaying the performance of its obligations hereunder. The Company will (1) at the request of the Sponsor, promptly deliver all necessary
documentation to cause the Company’s transfer agent to remove any restrictive legends from any Sponsor Shares subject to non-transferability
and forfeiture restrictions pursuant to the terms of this letter agreement at the time such restrictions may lapse pursuant to the terms
hereof, and (2) cause its legal counsel to deliver to the transfer agent any necessary legal opinions required by the transfer agent,
if any, in connection with the instruction under the foregoing clause (1) in this Section 8 upon the receipt of such customary
supporting documentation as may be requested by (and in a form reasonably acceptable to) such counsel, in each case within three trading
days of such request.

 

9.                  
Indemnification.

 

(a)               
For a period of six (6) years after the Closing Date, Pubco will indemnify, exonerate and hold harmless the Sponsor from and against
all actions, causes of action, suits, claims, liabilities, losses, damages and costs and out-of-pocket expenses in connection therewith
(“Indemnified Liabilities”) incurred by the Sponsor, on or after the date of this Agreement, arising out of any third
party action, cause of action, suit, litigation, investigation, inquiry, arbitration or claim directly relating to the transactions contemplated
by the Combination Agreement which names the Sponsor as a defendant (or co-defendant) arising from the Sponsor’s ownership of equity
securities of Pubco, or the Sponsor’s control or ability to influence Pubco; provided, that the foregoing shall not
apply to (i) any Indemnified Liabilities to the extent arising out of any breach by the Sponsor of this Agreement or any other agreement
between the Sponsor, on the one hand, and Pubco or any of its Subsidiaries, on the other hand, or (ii) the willful misconduct, gross negligence
or fraud of the Sponsor.

 

(b)                Promptly
after the Sponsor believes that it has a claim for any Indemnified Liabilities, Sponsor shall notify Pubco and specify in such
notice, in reasonable detail, the nature of the claim and an estimated computation of Indemnified Liabilities, as well as other
material documents in possession of the Sponsor with respect to such claim, provided, that any failure or delay by the
Sponsor to notify Pubco shall not relieve Pubco from its obligations hereunder (except to the extent that Pubco has been actually
and materially prejudiced by such failure to promptly notify). Pubco shall have full control of the defense of any claim with
respect to the Indemnified Liabilities, including any compromise or settlement thereof; provided, that Pubco shall not
consent to the entry of any order or enter into any settlement agreement without the prior written consent of the
Sponsor; provided, further, that such consent shall not be required if such order or settlement agreement
contains a full and final release by the third party asserting the claim to Sponsor, and such order or settlement agreement does not
contain any criminal liability or admission of guilt or impose any other non-monetary injunctive or equitable relief against the Sponsor.
The Sponsor shall cooperate in the defense or prosecution of such claim, including by retaining and providing to Pubco all records
and information which are reasonably relevant to such claim, making employees available to provide additional information and
explanation of any materials provided hereunder and executing any documents necessary in connection with any settlement or order
entered into in compliance with this Section 9(b).

 

    5 

     

    

 

(c)               
The Sponsor shall have the right to employ separate counsel reasonably satisfactory to Pubco to represent
it in any such claim with respect to Indemnified Liabilities and to participate in the defense thereof, but the fees and expenses of any
such separate counsel shall be at the expense of the Sponsor; provided, that, the fees and expenses of any such separate counsel
shall be at the expense of Pubco if (i) the claim seeks equitable relief against the Sponsor; (ii) the Sponsor shall have been advised
by counsel in writing, with a copy delivered to Pubco, that the representation of both parties by the same counsel would be inappropriate
due to actual or potential differing interests between them, including a situation in which one or more legal defenses may be available
to the Sponsor that are inconsistent with, different from or in addition to those available to Pubco; or (iii) Pubco authorizes the Sponsor
in writing to employ separate counsel at Pubco’s expense.

 

(d)               
The Sponsor shall use its commercially reasonable efforts to assist Pubco in seeking insurance recoveries
first in respect of any Indemnified Liabilities.

 

10.              
Other Covenants. The Sponsor hereby agrees to be bound by and subject to Section 5.3(a) (Confidentiality), Section 5.4(a)
(Public Announcements) and Section 5.5(b) (Exclusive Dealing) of the Combination Agreement to the same extent as such provisions apply
to SilverBox, as if the Sponsor were directly party thereto.

 

11.              
Representations and Warranties. The Sponsor hereby represents and warrants to Pubco and the Company, as of the date hereof,
that the Sponsor (a) owns, and holds of record, all of the Sponsor Shares and Sponsor Warrants, free and clear of all Liens, other than
Permitted Liens and such Liens and other obligations imposed by applicable securities Laws, the Combination Agreement, the Investor Rights
Agreement, the Governing Documents of Pubco or to the extent contemplated by this letter agreement and (b) other than to the extent contemplated
by this letter agreement, has not sold, assigned, transferred (including by operation of law), placed a lien on, pledged, disposed of
or otherwise encumbered any of the Sponsor Shares prior to or as of the date hereof.

 

12.              
Assignment. No party hereto may assign this letter agreement or any of its rights, interests, or obligations hereunder without
the prior written consent of each of the other parties hereto. Any purported assignment in violation of this Section 11 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, Pubco and their respective successors and assigns.

 

13.              
Notices. Any notice, consent, or request to be given in connection with any of the terms or provisions of this letter agreement
shall be given to the Company in accordance with Section 9.4 of the Combination Agreement, and to Pubco or the Sponsor in accordance with
the notice information set forth on such party’s signature page hereto, in each case, unless a party otherwise specifies a different
address in a writing delivered to the other parties hereto.

 

14.               Amendments.
No amendment of any provision of this letter agreement shall be valid unless the same shall be in writing and signed by all of the
parties hereto. No waiver of any provision or condition of this letter agreement shall be valid unless the same shall be in writing
and signed by the party against which such waiver is to be enforced. No waiver by any party of any default, breach of representation
or warranty or breach of covenant hereunder, whether intentional or not, shall be deemed to extend to any other, prior or subsequent
default or breach or affect in any way any rights arising by virtue of any other, prior or subsequent such occurrence.

 

    6 

     

    

 

15.              
Termination. This letter agreement shall automatically terminate, without any notice or other action by any party hereto,
and be void ab initio upon the earlier of (a) the final determination of the number of Sponsor Shares and Sponsor Warrants to be
adjusted in accordance with this letter agreement, if any, and the subsequent consummation of any such adjustments; (b) the termination
of the Combination Agreement in accordance with its terms; and (c) the effective date of a written agreement of the parties hereto mutually
terminating this letter agreement. Upon termination of this letter agreement as provided in the immediately preceding sentence, none of
the parties hereto shall have any further obligations or Liabilities under, or with respect to, this letter agreement. Notwithstanding
the foregoing or anything to the contrary in this letter agreement, (i) the termination of this Agreement pursuant to Section 14(b)
shall not affect any Liability on the part of any party hereto for a willful breach of any covenant or agreement set forth in this letter
agreement prior to such termination or Fraud and (ii) this Section 14 and Section 15 shall survive the termination of this
letter agreement.

 

16.              Miscellaneous.
Section 9.1 (Non-Survival), Section 9.5 (Governing Law), Section 9.11 (Counterparts; Electronic Signatures), Section 9.15
(Waiver of Jury Trial), Section 9.16 (Submission to Jurisdiction) and Section 9.17 (Remedies) of the Combination
Agreement are hereby incorporated into this letter agreement, mutatis mutandis, as though set out in their entirety in this Section 15.

 

[Signature Pages Follow]

 

    7 

     

    

 

IN WITNESS WHEREOF, the undersigned
has caused this Letter Agreement to be duly executed as of the date first above written.

 

	 	SPONSOR:
	 	 
	 	SILVERBOX ENGAGED SPONSOR, LLC
	 	 
	 	By:	/s/ Steve Kadenacy
	 	Name:	Steve Kadenacy
	 	Title:	Co-Managing Member
	 	 	 
	 	NOTICE INFORMATION:
	 	 
	 	Address:	 
	 	 	 
	 	 	                  
	 	Attention:	 
	 	Email:	 

 

[Signature Page to Sponsor
Letter Agreement]

 

     

     

    

 

IN WITNESS WHEREOF, the undersigned
has caused this Letter Agreement to be duly executed as of the date first above written.

 

	 	PUBCO:
	 	 
	 	BRC INC.
	 	 
	 	By:	/s/ Steve Kadenacy
	 	Name:	Steve Kadenacy
	 	Title:	Chief Executive Officer
	 	 	 
	 	NOTICE INFORMATION:
	 	 
	 	Address:	 
	 	 	 
	 	 	                      
	 	Attention:	 
	 	Email:	 

 

[Signature Page to Sponsor
Letter Agreement]

 

     

     

    

 

IN WITNESS WHEREOF, the undersigned
has caused this letter agreement to be duly executed as of the date first above written.

 

	 	COMPANY:
	 	 
	 	AUTHENTIC BRANDS LLC
	 	 
	 	By:	/s/ Tom Davin
	 	Name:	Tom Davin
	 	Title:	Co-Chief Executive Officer

 

[Signature Page to Sponsor
Letter Agreement]

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