Document:

Exhibit 4.5

 

ASSIGNMENT AND ASSUMPTION AGREEMENT

 

THIS ASSIGNMENT AND ASSUMPTION
AGREEMENT (the “Agreement”) is entered into and effective as of May 5, 2022 by and among DraftKings Inc.,
a Nevada corporation (to be renamed “DraftKings Holdings Inc.” as of the Closing (as defined below)) (“Old DraftKings”),
New Duke Holdco, Inc., a Nevada corporation (to be renamed “DraftKings Inc.” effective as of the Closing) (“New DraftKings”),
and Computershare Inc., a Delaware corporation (“Computershare Inc.”), and its wholly owned subsidiary, Computershare
Trust Company, N.A., a federally chartered trust company (collectively with Computershare Inc., “Computershare”).

 

WHEREAS, Old DraftKings
and Computershare have previously entered into a warrant agreement, dated as of May 10, 2019 (the “Original Warrant
Agreement”), by and between Diamond Eagle Acquisition Corp. and Continental Stock Transfer & Trust Company, as warrant agent,
as assumed by Old DraftKings and assigned to Computershare by that certain Assignment and Assumption Agreement, dated as of April 23,
2020 (together with the Original Warrant Agreement, the “Warrant Agreement”), governing the terms of Old DraftKings’
1,610,682 outstanding warrants (the “Warrants”) to purchase shares of Class A common stock, par value $0.0001 per share,
of Old DraftKings (“Old DraftKings Class A common stock”);

 

WHEREAS, Old DraftKings
has entered into an Agreement and Plan of Merger, dated as of August 9, 2021 (the “Merger Agreement”), with Golden
Nugget Online Gaming, Inc., a Delaware corporation (“GNOG”), New DraftKings, Old DraftKings, Duke Merger Sub, Inc.,
a Nevada corporation and wholly owned subsidiary of New DraftKings (“DraftKings Merger Sub”), and Gulf Merger Sub,
Inc., a Delaware corporation and wholly owned subsidiary of New DraftKings (“GNOG Merger Sub”), pursuant to which (i) DraftKings
Merger Sub will merge with and into Old DraftKings, with Old DraftKings surviving the merger (the “DK Merger”), and
(ii) GNOG Merger Sub will merge with and into GNOG, with GNOG surviving the merger (the “GNOG Merger” and together
with the DK Merger, the “Mergers”);

 

WHEREAS, effective
upon the closing of the DK Merger, holders of the shares of Old DraftKings Class A common stock will receive one share of Class A common
stock, par value $0.0001 per share, of New DraftKings (“New DraftKings Class A common stock”) in exchange for each
of their shares of Old DraftKings Class A common stock;

 

WHEREAS, pursuant to
Section 4.4 of the Warrant Agreement, upon the closing of the Mergers (the “Closing”), the Warrants will represent
the right of the holders thereof to purchase one share of New DraftKings Class A common stock; and

 

WHEREAS, as a result
of the foregoing, the parties hereto wish for Old DraftKings to assign to New DraftKings all of Old DraftKings’ rights and interests
and obligations in and under the Warrant Agreement and for New DraftKings to accept such assignment and assume all of Old DraftKings’
obligations thereunder, in each case, effective upon the Closing.

 

NOW, THEREFORE,
for good and valuable consideration, receipt of which is hereby acknowledged, the parties hereby agree as follows:

  

1.       Assignment
and Assumption of Warrant Agreement. Old DraftKings hereby assigns, and New DraftKings hereby agrees to accept and assume, effective
as of the Closing, all of Old DraftKings’ rights, interests and obligations in, and under, the Warrant Agreement and the Warrants.
Unless the context otherwise requires, from and after the Closing, any references in the Warrant Agreement or the Warrants to: (i) the
 “Company” shall mean New DraftKings; (ii) “Common Stock” shall mean the shares of New DraftKings Class A common
stock; and (iii) the “Board of Directors” or the “Board” or any committee thereof shall mean the board of directors
of New DraftKings or any committee thereof.

 

2.       Replacement
Instruments. Following the Closing, upon request by any holder of a Warrant, New DraftKings shall issue a new instrument for such
Warrant reflecting the adjustment to the terms and conditions described herein and in Section 4.4 of the Warrant Agreement.

 

     

     

    

 

3.       Warrant
Conversion. Following the Closing, each outstanding Warrant will cease to represent a warrant in respect of Old DraftKings Class A
common stock and instead shall entitle the holder thereof to purchase one share of New DraftKings Class A common stock at an exercise
price of $11.50 per share of New DraftKings Class A common stock, subject to adjustment as set forth in the Warrant Agreement.

 

4.       Amendment
to Warrant Agreement. To the extent required by this Agreement, the Warrant Agreement is hereby deemed amended pursuant to Section
9.8 thereof to reflect the subject matter contained herein, effective as of the Closing, including the following.

 

		a.	Section 9.2 is hereby amended to replace the following language:

 

“Diamond Eagle Acquisition Corp.

2121 Avenue of the Stars, Suite 2300

Los Angeles, CA 90067

Attention: Eli Baker”

 

with the following:

 

“DraftKings Inc.

222 Berkeley Street, 5th Floor

Boston, MA 02116

Attention: R. Stanton Dodge”

 

and the following language

 

“Winston & Strawn LLP

200 Park Avenue

New York, New York, 10166

Attn: Joel L. Rubinstein, Esq.

Email: jubinstein@winston.com”

 

with the following:

 

“White & Case LLP

1221 Avenue of the Americas

New York, New York 10020-1095

Attn: Joel L. Rubinstein, Esq.

Email: joel.rubinstein@whitecase.com”

 

5.       Full Force and Effect.Except
as expressly modified and amended herein, all of the terms and conditions of the Warrant Agreement shall remain in full force and effect.

 

6.       Governing
Law. This Agreement shall be governed by, and construed in accordance with, the laws of the State of New York, as such laws are applied
to contracts entered into and performed in such State without resort to that State’s conflict-of-laws rules.

 

7.       Counterpart.
This Agreement may be executed in counterparts, each of which shall be deemed to be an original, but all of which together shall constitute
one and the same instrument. Execution and delivery of this Agreement by email or exchange of facsimile copies bearing the facsimile signature
of a party hereto shall constitute a valid and binding execution and delivery of this Agreement by such party.

 

7.       Successors
and Assigns. All the covenants and provisions of this Agreement shall bind and inure to the benefit of each party’s respective
successors and assigns.

 

    -2-

     

    

 

8.        Entire
Agreement. This Agreement and the Warrant Agreement, as hereby amended, constitute the entire agreement, and supersedes all prior
agreements and understandings, both written and oral, between the parties with respect to the subject matter hereof and thereof.

 

9.       Indemnification.
New DraftKings agrees to indemnify, defend and hold Computershare harmless from, and to hold it harmless against, any and all loss, liability,
damage, judgment, fine, penalty, claim, demand, settlement, cost or expense (including, without limitation, the reasonable and documented
fees and expenses of external legal counsel) that may be paid, incurred or suffered by it, or which it may become subject arising out
of the assignment contemplated hereunder in connection with events occurring before the date of this Agreement.

 

[Signature Pages Follow] 

 

    -3-

     

    

 

IN WITNESS WHEREOF, the parties hereto have signed
this Agreement as of the date and year first written above.

 

	 	
    DRAFTKINGS INC. (to be renamed DraftKings Holdings Inc.)

    

	 	 	 
	 	By:	 /s/ Jason Park
	 	 	Name: Jason Park
	 	 	Title:   Chief Financial Officer and Treasurer

 

[Signature Page to DK Warrant Assumption Agreement]

 

    -4-

     

    

 

	 	NEW DUKE HOLDCO, INC. (to be renamed DraftKings Inc.)    
	 	 	 
	 	By:	/s/ Jason Park
	 	 	Name: Jason Park
	 	 	Title:   Treasurer and Chief Financial Officer

 

[Signature Page to DK Warrant Assumption Agreement]

 

    -5-

     

    

 

	 	Computershare Trust Company, N.A. and Computershare, Inc., On behalf of both entities
	 	 	 
	 	By:	 /s/ Thomas Borbely
	 	 	Name: Thomas Borbely
	 	 	Title:   Senior Manager, Corporate Actions

 

[Signature Page to DK Warrant Assumption Agreement]

 

    -6-Exhibit 4.6

 

FIRST SUPPLEMENTAL INDENTURE 

 

This First Supplemental Indenture (this “Supplemental Indenture”)
is made as of May 5, 2022, by and among DraftKings Holdings Inc. (formerly known as DraftKings Inc.), a Nevada corporation, as issuer
(the “Company”), DraftKings Inc. (formerly known as New Duke Holdco, Inc.), a Nevada corporation and the parent company
of the Company, as guarantor (“Parent”), and Computershare Trust Company, N.A., as Trustee (the “Trustee”)
under the Indenture referred to below.

W I T N E S S E T H 

 

WHEREAS, the Company and the Trustee are parties to that certain Indenture,
dated as of March 18, 2021 (the “Indenture”), pursuant to which the Company issued its 0% Convertible Senior Notes
due 2028 (the “Notes”);

 

WHEREAS, the Company entered into an Agreement and Plan of Merger,
dated as of August 9, 2021 (as may be amended from time to time, the “Merger Agreement”) with Golden Nugget Online
Gaming, Inc., a Delaware corporation (“GNOG”), Parent, and certain other parties thereto, pursuant to which the Company
will, among other things, (i) acquire all issued and outstanding shares of common stock of GNOG and (ii) undergo a holding company reorganization
(the “Reorganization”) whereby each share of Class A Common Stock of the Company, par value $0.0001 per share (“Company
Class A Common Stock”), issued and outstanding immediately prior to the effective time of the Reorganization will be converted
into one share of Class A Common Stock of Parent, par value $0.0001 per share (“Parent Class A Common Stock”), and
each share of Class B Common Stock of the Company, par value $0.0001 per share, issued and outstanding immediately prior to the effective
time of the Reorganization will be converted into one share of Class B Common Stock of Parent, par value $0.0001 per share;

 

WHEREAS, Section 14.07(a) of the Indenture provides that, in the case
of any Share Exchange Event, the Company, or the successor or purchasing corporation, as the case may be, will execute with the Trustee,
without the consent of the Holders, a supplemental indenture providing that, at and after the effective time of the Share Exchange Event,
the right to convert each $1,000 principal amount of Notes will be changed into a right to convert such principal amount of Notes into
the kind and amount of Reference Property that a holder of a number of shares of the Company Class A Common Stock equal to the Conversion
Rate immediately prior to such Share Exchange Event would have been entitled to receive upon such Share Exchange Event;

 

WHEREAS, the Reorganization was consummated on May 5, 2022 and constituted
a Share Exchange Event;

 

WHEREAS, Parent desires to fully and unconditionally guarantee all
of the payment obligations of the Company under the Notes and the Indenture so as to make available the exemption from the registration
requirements of the Securities Act provided by Section 3(a)(9) of the Securities Act for shares of Parent Class A Common Stock delivered
upon conversion of the Notes following the Reorganization;

 

WHEREAS, pursuant to Section 10.01 of the Indenture, the Company and
the Trustee may, without the consent of any Holder, enter into indentures supplemental to the Indenture for the purpose of, among other
things, (i) adding guarantees with respect to the Notes and (ii) in connection with any Share Exchange Event;

 

WHEREAS, pursuant to Section 10.01 of the Indenture, the Trustee is
authorized to join with the Company in the execution of any such supplemental indenture to the Indenture, and to make any further appropriate
agreements and stipulations that may be therein contained;

 

WHEREAS, the Company and Parent desire and have requested the Trustee
to join them in the execution and delivery of this Supplemental Indenture; and

 

WHEREAS, all conditions necessary to authorize the execution and delivery
of this Supplemental Indenture have been complied with or have been done or performed.

 

     

     

    

 

NOW, THEREFORE, in consideration of the foregoing and for other good
and valuable consideration, receipt of which is hereby acknowledged, the Company, Parent and the Trustee agree as follows for the equal
and ratable benefit of the Holders:

 

ARTICLE 1

 

DEFINITIONS 

 

Section 1.01. General. A term defined in the Indenture has the
same meaning when used in this Supplemental Indenture unless such term is otherwise defined herein or amended or supplemented pursuant
to this Supplemental Indenture. The words “herein,” “hereof,” “hereunder,” and words of similar import
refer to this Supplemental Indenture as a whole and not to any particular Article, Section or other subdivision. The terms defined in
this Article include the plural as well as the singular.

ARTICLE 2

 

EFFECT OF CONVERSION RIGHT 

 

Section 2.01. Conversion. The Company and Parent expressly agree
that, in accordance with Section 14.07 of the Indenture, at and after the effective time of the Reorganization, the right of the Holder
of each Note that was outstanding as of the effective time of the Reorganization to convert each $1,000 principal amount of such Note
shall be changed into the right to convert each $1,000 principal amount of such Note into the number of shares of Parent Class A Common
Stock that a holder of a number of shares of Company Class A Common Stock equal to the Conversion Rate immediately prior to the effective
time of the Reorganization would have been entitled to receive upon the Reorganization. For purposes of this Supplemental Indenture, “Reference
Property” and “unit of Reference Property,” as defined in the Indenture, means Parent Class A Common stock and 1.0 share
of Parent Class A Common Stock, respectively. Upon the consummation of the Reorganization, references to “Class A Common Stock”
in the Indenture shall be deemed to refer to the Reference Property and references to “shares of Class A Common Stock” in
the Indenture shall be deemed to refer to units of Reference Property.

 

ARTICLE 3

 

GUARANTEE

 

Section 3.01. Guarantee. Parent hereby unconditionally guarantees
to each Holder of a Note authenticated and delivered by the Trustee and to the Trustee and its successors and assigns, irrespective of
the validity and enforceability of the Indenture, this Supplemental Indenture, the Notes or the obligations of the Company hereunder or
thereunder, that:

 

(a)    
the principal (including the Redemption Price and the Fundamental Change Repurchase Price, if applicable) of, and accrued and unpaid
interest on, each of the Notes will be promptly paid in full when due, whether at maturity, by acceleration, redemption, conversion or
otherwise, and interest on the overdue principal (including the Redemption Price and the Fundamental Change Repurchase Price, if applicable)
of and accrued and unpaid interest on, each of the Notes, if lawful, and all other obligations of the Company to the Holder or the Trustee
under the Indenture, this Supplemental Indenture and the Notes will be promptly paid or performed in full when due, whether at maturity,
by acceleration, redemption, conversion or otherwise; and

(b)   
in case of any extension of time of payment or renewal of any Notes or any of such other obligations, that same will be promptly
paid in full when due or performed in accordance with the terms of the extension or renewal, whether at stated maturity, by acceleration
or otherwise (collectively, such guarantee, the “Note Guarantee”).

 

     

     

    

 

Failing payment when due of any amount so guaranteed
or any performance so guaranteed for whatever reason, Parent will be obligated to pay or perform the same immediately. Parent agrees that
this is a guarantee of payment and not a guarantee of collection.

 

Parent hereby agrees that its obligations hereunder
are unconditional, irrespective of the validity, regularity or enforceability of the Notes or the Indenture, the absence of any action
to enforce the same, any waiver or consent by any Holder with respect to any provisions hereof or thereof, the recovery of any judgment
against the Company, any action to enforce the same or any other circumstance that might otherwise constitute a legal or equitable discharge
or defense of a guarantor. Parent hereby waives diligence, presentment, demand of payment, filing of claims with a court in the event
of insolvency or bankruptcy of the Company, any right to require a proceeding first against the Company, protest, notice and all demands
whatsoever and covenants that this Note Guarantee will not be discharged except by complete performance of the obligations contained in
the Notes or the Indenture.

 

If any Holder or the Trustee is required by any
court or otherwise to return to the Company, Parent or any custodian, trustee, liquidator or other similar official acting in relation
to either the Company or the Guarantor, any amount paid by either to the Trustee or such Holder, this Note Guarantee, to the extent theretofore
discharged, will be reinstated in full force and effect.

 

Parent agrees that it will not be entitled to any
right of subrogation in relation to the Holders in respect of any obligations guaranteed hereby until payment in full of all obligations
guaranteed hereby. Parent further agrees that, as between Parent, on the one hand, and the Holders and the Trustee, on the other hand,
(1) the maturity of the obligations guaranteed hereby may be accelerated as provided in Section 6.02 of the Indenture for the purposes
of this Note Guarantee, notwithstanding any stay, injunction or other prohibition preventing such acceleration in respect of the obligations
guaranteed hereby, and (2) in the event of any declaration of acceleration of such obligations as provided in Section 6.02 of the Indenture,
such obligations (whether or not due and payable) will forthwith become due and payable by Parent for the purpose of this Note Guarantee.

 

Section 3.02 Limitation on Parent Liability. Parent, and by
its acceptance of this Note Guarantee, each Holder, hereby confirms that it is the intention of all such parties that this Note Guarantee
of Parent not constitute a fraudulent transfer or conveyance for purposes of Bankruptcy Law, the Uniform Fraudulent Conveyance Act, the
Uniform Fraudulent Transfer Act or any similar federal or state law to the extent applicable to this Note Guarantee.

 

Section 3.03 Execution. To evidence the Note Guarantee set forth
in Section 3.01 hereof, this Supplemental Indenture will be executed on behalf of Parent by one of its Officers. Parent hereby agrees
that the Note Guarantee set forth in Section 3.01 hereof will remain in full force and effect notwithstanding any failure to endorse on
each Note a notation of the Note Guarantee. If an Officer whose signature is on this Supplemental Indenture no longer holds that office
at the time the Trustee authenticates the Note on which the Note Guarantee is endorsed, the Note Guarantee will be valid nevertheless.
The delivery of any Note by the Trustee, after the authentication thereof hereunder, will constitute due delivery of the Note Guarantee
set forth in this Supplemental Indenture on behalf of Parent.

 

Section 3.04 Releases. Upon the satisfaction and discharge of
the Indenture in accordance with Article 3 of the Indenture, Parent will be released and relieved of any obligations under the Note Guarantee.

ARTICLE 4

 

NO RELEASE OF COMPANY 

 

Section 4.01. Obligations of the Company. Notwithstanding the
agreement of Parent to become liable for the due and punctual payment of the principal of (and premium, if any, on) and interest, if any
(including accrued and unpaid interest, if any), on all the Notes issued under and subject to the Indenture and for the delivery of Parent
Class A Common Stock and/or Cash upon conversion of the Notes pursuant to Article Fourteen of the Indenture, the Company remains fully
liable for all of its obligations under the Indenture and has not been released from any liabilities or obligations thereunder except
for the issuance of the Class A Common Stock of the Company upon conversion of the Notes pursuant to Article Fourteen of the Indenture.

 

     

     

    

 

ARTICLE 5

 

Miscellaneous Provisions 

 

Section 5.01. Effectiveness; Construction. This Supplemental
Indenture shall become effective upon its execution and delivery by the Company, Parent and the Trustee and as of the date hereof. Upon
such effectiveness, the Indenture shall be supplemented in accordance herewith. This Supplemental Indenture shall form a part of the Indenture
for all purposes.

 

Section 5.02. Indenture Remains in Full Force and Effect. Except
as supplemented hereby, all provisions in the Indenture shall remain in full force and effect.

 

Section 5.03. Trustee Matters. The Trustee accepts the Indenture,
as supplemented hereby, and agrees to perform the same upon the terms and conditions set forth therein, as supplemented hereby. The Trustee
shall be entitled to the benefit of every provision of the Indenture relating to the conduct or affecting the liability or affording protection
to the Trustee, whether or not elsewhere herein so provided. The recitals contained in this Supplemental Indenture shall be taken as the
statements of the Company and Parent and the Trustee assumes no responsibility for their correctness. The Trustee makes no representation
as to the validity or sufficiency of this Supplemental Indenture.

 

Section 5.04. Severability. In the event any provision of this
Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality or enforceability of the remaining provisions
shall not in any way be affected or impaired thereby.

 

Section 5.05. Headings. The article and section headings of
this Supplemental Indenture have been inserted for convenience of reference only and are not to be considered a part of this Supplemental
Indenture and shall in no way modify or restrict any of the terms or provisions hereof.

 

Section 5.06. Successors. All agreements of the Company, Parent
and the Trustee in this Supplemental Indenture shall bind their respective successors.

 

Section 5.07. Governing Law. THIS SUPPLEMENTAL INDENTURE AND
EACH NOTE, AND ANY CLAIM, CONTROVERSY OR DISPUTE ARISING UNDER OR RELATED TO THIS SUPPLEMENTAL INDENTURE, THE INDENTURE AND EACH NOTE
SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK (WITHOUT REGARD TO THE CONFLICTS OF LAWS PROVISIONS
THEREOF).

 

Section 5.08. Counterparts. The parties may sign any number
of copies of this Supplemental Indenture. Each signed copy shall be an original, but all of them together represent the same agreement.
The exchange of copies of this Supplemental Indenture and of signature pages by facsimile or other electronic format (including,
without limitation, “pdf,” “tif” or “jpg”) transmission shall constitute effective execution and delivery
of this Supplemental Indenture as to the parties hereto and may be used in lieu of the original Indenture for all purposes. The words
 “execution,” “signed,” “signature,” and words of like import in this Supplemental Indenture shall
include images of manually executed signatures transmitted by facsimile or other electronic format (including, without limitation, “pdf,”
 “tif” or “jpg”) and other electronic signatures (including, without limitation, DocuSign and AdobeSign) and such
signatures shall be deemed to be original signatures for all purposes. The use of electronic signatures and electronic records (including,
without limitation, any contract or other record created, generated, sent, communicated, received, or stored by electronic means) shall
be of the same legal effect, validity and enforceability as a manually executed signature or use of a paper-based record-keeping system
to the fullest extent permitted by applicable law, including the Federal Electronic Signatures in Global and National Commerce Act, the
New York State Electronic Signatures and Records Act, and any other applicable law, including, without limitation, any state law based
on the Uniform Electronic Transactions Act or the Uniform Commercial Code.

 

[Signatures follow]

 

     

     

    

 

IN WITNESS WHEREOF, the parties hereto have caused
this Supplemental Indenture to be duly executed as of the date first above written.

 

	 	DraftKings Holdings Inc., as Company
	 	 	 	 
	 	By:	/s/ Jason Park
	 	 	Name:	Jason Park
	 	 	Title:	Chief Financial Officer

 

	 	DraftKings Inc., as Guarantor
	 	 	 	 
	 	By:	/s/ Jason Park
	 	 	Name:	Jason Park
	 	 	Title:	Chief Financial Officer

 

	 	Computershare Trust Company, N.A., as Trustee
	 	 	 	 
	 	By:	/s/ Jerry Urbanek
	 	 	Name:	Jerry Urbanek
	 	 	Title:	Trust Officer        

 

[Signature Page to First
Supplemental Indenture]

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