Document:

Exhibit No. 10.1

EXECUTION VERSION

 

SECOND SUPPLEMENTAL INDENTURE

 

Second
Supplemental Indenture (this “Supplemental Indenture”), dated as of September 21, 2021, between Cimarex
Energy Co., a Delaware Corporation (the “Company”), and U.S. Bank National Association, a national banking association,
as trustee under the Indenture referred to below (the “Trustee”).

 

W I T N E S S E T H

 

WHEREAS, the Company and the
Trustee have previously executed and delivered an Indenture, dated as of June 4, 2014 (the “Base Indenture”),
as supplemented by the First Supplemental Indenture, dated as of June 4, 2014 (the “First Supplemental Indenture”,
and the Base Indenture as amended or supplemented by the First Supplemental Indenture, the “Existing Indenture”), providing
for the issuance of the Company’s 4.375% Senior Notes due 2024 (the “Notes”);

 

WHEREAS, the Company has entered
into that certain Agreement and Plan of Merger, dated as of May 23, 2021, as amended on June 29, 2021 and as further amended,
supplemented or waived from time to time, among Cabot Oil & Gas Corporation, a Delaware corporation (“Cabot”),
Double C Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Cabot (“Merger Sub”), and the Company,
pursuant to which on the terms and subject to the conditions set forth therein, Merger Sub will be merged with and into the Company (the
 “Merger”), with the Company surviving the Merger as a wholly owned subsidiary of Cabot;

 

WHEREAS,
in connection with the Merger, pursuant to the terms and subject to the conditions set forth in the Offering Memorandum and Consent Solicitation
Statement, dated September 8, 2021 (the “Offering Memorandum”), Cabot has offered to certain eligible Holders
of the Notes to exchange (the “Exchange Offer”) any and all of their Notes for a corresponding series of notes of Cabot,
and the Company has solicited consents from such Holders of the Notes, to, among other things, amend certain provisions of the Existing
Indenture and the Notes to eliminate certain of the covenants, restrictive provisions and events of default, as set forth in this Supplemental
Indenture (the “Amendments”);

 

WHEREAS,
Section 8.2 of the First Supplemental Indenture provides that the Company, the Subsidiary Guarantors and the Trustee may, subject
to certain exceptions set forth in the Existing Indenture, amend or supplement the First Supplemental Indenture, the Base Indenture (as
it relates to the Notes) and the Notes with the consent of the Holders of a majority in principal amount of the Notes then outstanding
voting as a single class (including, without limitation, consents obtained in connection with the purchase of, or tender offer or exchange
offer for, Notes) (the “Requisite Consents”);

 

WHEREAS, in accordance with
the Officers’ Certificate and Company Request and Release of Subsidiary Guarantors, each dated as of October 16, 2015, each
Subsidiary Guarantor was released and discharged from its obligations under the Existing Indenture and its Subsidiary Guarantee thereunder,
in connection with each such Subsidiary Guarantor’s release and discharge in full from all of its obligations under its Guarantees
of the Company’s Revolving Credit Agreement.

 

     

     

    

 

WHEREAS,
as of 5:00 p.m., New York City time, on the date hereof, Requisite Consents have been validly delivered by Holders and not validly revoked
and the Company has delivered to the Trustee the Requisite Consents which constitute an Act of Holders for the Notes to enter into this
Supplemental Indenture to effect the Amendments under the Existing Indenture.

 

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

 

Article 1

DEFINITIONS

 

Section 1.01           Definitions.
For all purposes of this Supplemental Indenture, except as otherwise expressly provided for or unless the context otherwise requires:

 

(a)            Capitalized
terms used herein that are not defined herein, but are defined in the Existing Indenture, shall have the respective meanings given to
them in the Existing Indenture;

 

(b)           All
references herein to Articles and Sections, unless otherwise specified, refer to the corresponding Articles and Sections of this Supplemental
Indenture; and

 

(c)           The
terms defined in this Supplemental Indenture shall have the respective meanings assigned to them herein and, if the definition of any
of the terms defined herein differs from its respective definition set forth in the Existing Indenture, the definition set forth in this
Supplemental Indenture shall control.

 

Article 2

AMENDMENTS TO THE NOTES AND EXISTING INDENTURE

 

From and after the Closing
Date (as defined below), with respect to the Notes, the Existing Indenture is hereby amended as follows:

 

Section 2.01           Limitation
on Liens. Section 4.1 of the First Supplemental Indenture is hereby deleted in its entirety and replaced with the following:

 

Section 4.1. [Intentionally Omitted].

 

Section 2.02           Change
of Control. Each of Section 4.2 of the First Supplemental Indenture and paragraph 6 of the reverse side of the Notes is hereby
deleted in its entirety and replaced with the following, as applicable:

 

Section 4.2. [Intentionally Omitted].

 

6. [Intentionally Omitted].

 

    2

     

    

 

Section 2.03           SEC
Reports. Section 4.3 of the First Supplemental Indenture is hereby deleted in its entirety and replaced with the following:

 

Section 4.3. [Intentionally Omitted].

 

Section 2.04           Compliance
Certificate. Section 4.3 of the Base Indenture is hereby deleted in its entirety and replaced with the following:

 

Section 4.3. [Intentionally Omitted].

 

Section 2.05           Future
Subsidiary Guarantors. Section 4.4 of the First Supplemental Indenture is hereby deleted in its entirety and replaced with the
following:

 

Section 4.4. [Intentionally Omitted].

 

Section 2.06           Corporate
Existence. Section 4.5 of the Base Indenture is hereby deleted in its entirety and replaced with the following:

 

Section 4.5.
[Intentionally Omitted]

 

Section 2.07           Successors.
Article V of the First Supplemental Indenture is hereby deleted in its entirety and replaced with the following:

 

Sections 5.1 and
5.2 of the Base Indenture shall not apply to, and the covenants therein shall be deemed included in the Indenture solely for the benefit
of Series of Securities other than, the Notes. The following provisions of this Article V are for the benefit of Holders of
the Notes. References to Sections 5.1 and 5.2 of the Base Indenture (as it relates to the Notes) shall refer to Section 5.1 of this
Supplemental Indenture.

 

SECTION 5.1.
Successor Person to be Substituted. Upon any consolidation by the Company with or merger of the Company into any other Person or
Persons where the Company is not the survivor, the successor Person formed by such consolidation or into which the Company is merged shall
succeed to, and be substituted for, shall assume the obligations of and may exercise every right and power of, the Company under this
Indenture with the same effect as if such successor Person had been named as the Company herein; and thereafter, the predecessor Person
shall be released from all obligations and covenants under this Indenture and the Securities.

 

Section 2.08           Events
of Default. Clauses (3), (4) and (5) of Section 6.1(a) of the First Supplemental Indenture are hereby deleted
in their entirety and replaced with the following, respectively:

 

(3)           [Intentionally
Omitted];

 

(4)           [Intentionally
Omitted];

 

(5)           [Intentionally
Omitted].

 

    3

     

    

 

Section 2.09           Events
of Default. Section 6.1(b) of the First Supplemental Indenture is hereby deleted in its entirety and replaced with the following:

 

(b)           [Intentionally
Omitted].

 

Section 2.10           Effect
of Sections 2.01 through 2.09. Any and all references to any Articles and Sections of the Existing Indenture or Notes which are deleted
by any Article or Section of this Supplemental Indenture, and any and all obligations related solely to such deleted Articles
or Sections throughout the Existing Indenture or Notes, with respect to the Notes, are of no further force or effect. Any and all terms
defined in the Existing Indenture or Notes which are (i) used in any Articles or Sections of the Existing Indenture or Notes deleted
by any Article or Section of this Supplemental Indenture and (ii) not otherwise used in any other Article or Section of
the Existing Indenture or Notes not affected by this Supplemental Indenture are hereby deleted. Holders of the Notes constituting the
Requisite Consents have waived any Default, Event of Default or other consequence under the Existing Indenture for failure to comply with
the terms of the provisions identified in Sections 2.01 through 2.09 above (whether before or after the date hereof).

 

Article 3

EFFECTIVENESS

 

Section 3.01           Effectiveness
of Supplemental Indenture. This Supplemental Indenture shall become effective upon execution and delivery of this instrument by each
of the parties hereto. Notwithstanding the foregoing sentence, the Amendments set forth in Article 2 hereof shall become operative
on and as of the date on which the Exchange Offer is consummated in accordance with the terms and conditions set forth in the Offering
Memorandum (the “Closing Date”). If the Exchange Offer is not consummated in accordance with the terms and conditions
set forth in the Offering Memorandum, the Amendments set forth in Article 2 hereof shall not become operative and shall be null and
void for all purposes under the Existing Indenture and the Notes.

 

Article 4

MISCELLANEOUS PROVISIONS

 

Section 4.01           Relationship
to Base Indenture and Existing Indenture. This Supplemental Indenture constitutes an integral part of the Existing Indenture. This
Supplemental Indenture is a supplemental indenture within the meaning of the Existing Indenture. The Existing Indenture, as supplemented
and amended by this Supplemental Indenture, is in all respects ratified, confirmed and approved and, with respect to the Notes, the Existing
Indenture, as supplemented and amended by this Supplemental Indenture, shall be read, taken and construed as one and the same instrument.
Except as expressly modified by this Supplemental Indenture, the provisions of the Existing Indenture shall govern the terms and conditions
of the Notes. The provisions of this Supplemental Indenture shall supersede any conflicting provisions of the Existing Indenture with
respect to the Notes.

 

    4

     

    

 

Section 4.02           Trust
Indenture Act Controls. If any provision of this Supplemental Indenture limits, qualifies, or conflicts with the Trust Indenture Act
of 1939 (as amended, the “TIA”) or another provision which is required or deemed to be included in the Existing Indenture
by the TIA, the TIA or such required or deemed provision, as applicable, shall control. If any provision of this Supplemental Indenture
modifies or excludes any provision of the TIA, that may be so modified or excluded, the provision on the TIA shall be deemed to apply
to the Existing Indenture as so modified or shall be excluded, as the case may be.

 

Section 4.03           GOVERNING
LAW. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

 

Section 4.04           Counterpart
Originals. The parties may sign any number of copies of this Supplemental Indenture, and each party hereto may sign any number of
separate 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 PDF 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 Supplemental Indenture
for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for
all purposes.

 

Section 4.05           Effect
of Headings. The Article and Section headings herein are for convenience of reference only and shall not affect the construction
hereof.

 

Section 4.06           Successors
and Assigns. All covenants and agreements in this Supplemental Indenture by the Company or the Trustee shall bind their respective
successors and assigns, whether so expressed or not.

 

Section 4.07           Separability
Clause. In case any provision in this Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and
enforceability of the remaining provisions shall not in any way be affected or impaired thereby.

 

Section 4.08           The
Trustee. Except as otherwise expressly provided herein, no duties, responsibilities or liabilities are assumed, or shall be construed
to be assumed, by the Trustee by reason of this Supplemental Indenture. This Supplemental Indenture is executed and accepted by the Trustee
subject to all of the terms and conditions set forth in the Existing Indenture with the same force and effect as if those terms and conditions
were repeated at length herein and made applicable to the Trustee and the Company with respect hereto. The
Trustee assumes no responsibility for the correctness of the recitals contained herein. The Trustee makes no representations as to the
validity or sufficiency of this Supplemental Indenture.

 

[Signature
Pages Follow]

 

    5

     

    

 

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

 

	 	CIMAREX ENERGY CO.,
	 	As Issuer

 

	 	By:	/s/ G. Mark Burford
	 	 	G. Mark Burford
	 	 	Senior Vice President and Chief Financial Officer

 

[Signature
Page – Second Supplemental Indenture (2024 Notes)]

 

    

     

    

 

	 	U.S.
BANK NATIONAL ASSOCIATION,
	 	As Trustee

 

	 	By:	/s/
Michael McGuire
	 	 	Michael McGuire
	 	 	Vice President

 

[Signature Page – Second Supplemental
Indenture (2024 Notes)]Exhibit No. 10.2

EXECUTION VERSION

 

THIRD SUPPLEMENTAL INDENTURE

 

Third
Supplemental Indenture (this “Supplemental Indenture”), dated as of September 21, 2021, between Cimarex
Energy Co., a Delaware Corporation (the “Company”), and U.S. Bank National Association, a national banking association,
as trustee under the Indenture referred to below (the “Trustee”).

 

W I T N E S S E T H

 

WHEREAS, the Company and the
Trustee have previously executed and delivered an Indenture, dated as of April 10, 2017 (the “Base Indenture”),
as supplemented by (i) with respect to the Company’s 3.90% Senior Notes due 2027 (the “2027 Notes”), the
First Supplemental Indenture, dated as of April 10, 2017 (the “First Supplemental Indenture”) and (ii) with
respect to the Company’s 4.375% Senior Notes due 2029 (the “2029 Notes”, together with the 2027 Notes, the “Notes”),
the Second Supplemental Indenture, dated as of March 8, 2019 (the “Second Supplemental Indenture”, and together
with the First Supplemental Indenture, the “Existing Supplemental Indentures”). The Base Indenture, as modified or
supplemented by (i) in the case of the 2027 Notes, the First Supplemental Indenture and (ii) in the case of the 2029 Notes,
the Second Supplemental Indenture, is referred to herein as the “Existing Indenture”;

 

WHEREAS, the Company has entered
into that certain Agreement and Plan of Merger, dated as of May 23, 2021, as amended on June 29, 2021 and as further amended,
supplemented or waived from time to time, among Cabot Oil & Gas Corporation, a Delaware corporation (“Cabot”),
Double C Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Cabot (“Merger Sub”), and the Company,
pursuant to which on the terms and subject to the conditions set forth therein, Merger Sub will be merged with and into the Company (the
 “Merger”), with the Company surviving the Merger as a wholly owned subsidiary of Cabot;

 

WHEREAS,
in connection with the Merger, pursuant to the terms and subject to the conditions set forth in the Offering Memorandum and Consent Solicitation
Statement, dated September 8, 2021 (the “Offering Memorandum”), Cabot has offered to certain eligible Holders
of each series of Notes to exchange (such offer with respect to each series of Notes, an “Exchange Offer”) any and
all of their Notes of such series for a corresponding series of notes of Cabot, and the Company has solicited consents from such Holders
of such series of Notes, to, among other things, amend certain provisions of the Existing Indenture with respect to such series of Notes
and to the Notes of such series to eliminate certain of the covenants, restrictive provisions and events of default, as set forth in this
Supplemental Indenture (the “Amendments”);

 

WHEREAS,
Sections 8.2 of each Existing Supplemental Indenture provides that the Company and the Trustee may, subject to certain exceptions set
forth in the Existing Indenture, amend or supplement the Existing Supplemental Indenture with respect to any series of Notes, the Base
Indenture (as it relates to such series of Notes) and the Notes of such series, in each case with the consent of the Holders of a majority
in principal amount of the Notes of such series then outstanding voting as a single class (including, without limitation, consents obtained
in connection with the purchase of, or tender offer or exchange offer for, such series of Notes) (such consents with respect to each series
of Notes, the “Requisite Consents”);

 

    

     

    

 

WHEREAS,
as of 5:00 p.m., New York City time, on the date hereof, Requisite Consents with respect to each series of Notes have been validly delivered
by Holders of such series and not validly revoked and the Company has delivered to the Trustee the Requisite Consents with respect to
such series, which constitutes an Act of Holders for the Notes of such series to enter into this Supplemental Indenture to effect the
Amendments under the Existing Indenture with respect to such series of Notes.

 

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

 

Article 1

DEFINITIONS

 

Section 1.01           Definitions.
For all purposes of this Supplemental Indenture, except as otherwise expressly provided for or unless the context otherwise requires:

 

(a)           Capitalized
terms used herein that are not defined herein, but are defined in the Existing Indenture, shall have the respective meanings given to
them in the Existing Indenture;

 

(b)           All
references herein to Articles and Sections, unless otherwise specified, refer to the corresponding Articles and Sections of this Supplemental
Indenture; and

 

(c)            The
terms defined in this Supplemental Indenture shall have the respective meanings assigned to them herein and, if the definition of any
of the terms defined herein differs from its respective definition set forth in the Existing Indenture, the definition set forth in this
Supplemental Indenture shall control.

 

Article 2

AMENDMENTS TO THE NOTES AND EXISTING INDENTURE

 

From and after the Closing
Date (as defined below), with respect to each series of the Notes, the Existing Indenture is hereby amended as follows:

 

Section 2.01           Limitation
on Liens. Section 4.1 of each Existing Supplemental Indenture is hereby deleted in its entirety and replaced with the following:

 

Section 4.1. [Intentionally Omitted].

 

Section 2.02           Change
of Control. Each of Section 4.2 of each Existing Supplemental Indenture and paragraph 6 of the reverse side of the Notes of
each series is hereby deleted in its entirety and replaced with the following, as applicable:

 

Section 4.2. [Intentionally Omitted].

 

    2

     

    

 

6. [Intentionally Omitted].

 

Section 2.03           Reports.
Section 4.3 of each Existing Supplemental Indenture is hereby deleted in its entirety and replaced with the following:

 

Section 4.3. [Intentionally Omitted].

 

Section 2.04           Successors.
Article V of each Existing Supplemental Indenture is hereby deleted in its entirety and replaced with the following:

 

Sections 801 and
802 of the Base Indenture shall not apply to, and the covenants therein shall be deemed included in the Indenture solely for the benefit
of Series of Securities other than, the Notes. The following provisions of this Article V are for the benefit of Holders of
the Notes. References to Sections 801 and 802 of the Base Indenture (as it relates to the Notes) shall refer to Section 5.1 of this
Supplemental Indenture.

 

SECTION 5.1.
Successor Person to be Substituted. Upon any consolidation by the Company with or merger of the Company into any other Person or
Persons where the Company is not the survivor, the successor Person formed by such consolidation or into which the Company is merged shall
succeed to, and be substituted for, shall assume the obligations of and may exercise every right and power of, the Company under this
Indenture with the same effect as if such successor Person had been named as the Company herein; and thereafter, the predecessor Person
shall be released from all obligations and covenants under this Indenture and the Securities.

 

Section 2.05           Events
of Default. Clauses (3), (4) and (5) of Section 6.1(a) of each Existing Supplemental Indenture are hereby deleted
in their entirety and replaced with the following, respectively:

 

(3)            [Intentionally
Omitted];

 

(4)            [Intentionally
Omitted];

 

(5)            [Intentionally
Omitted].

 

Section 2.06           Events
of Default. Section 6.1(b) of each Existing Supplemental Indenture is hereby deleted in its entirety and replaced with
the following:

 

(b)            [Intentionally
Omitted].

 

Section 2.07           Corporate
Existence. Section 1004 of the Base Indenture is hereby deleted in its entirety and replaced with the following:

 

Section 1004.            [Intentionally
Omitted].

 

Section 2.08           Statement
by Officers as to Default. Section 1005 of the Base Indenture is hereby deleted in its entirety and replaced with the following:

 

    3

     

    

 

Section 1005.            [Intentionally
Omitted].

 

Section 2.09           Effect
of Sections 2.01 through 2.08. Any and all references to any Articles and Sections of the Existing Indenture or the Notes of the
applicable series which are deleted by any Article or Section of this Supplemental Indenture, and any and all obligations related
solely to such deleted Articles or Sections throughout the Existing Indenture or the Notes of such series, with respect to the Notes
of such series, are of no further force or effect. Any and all terms defined in the Existing Indenture or the Notes of the applicable
series which are (i) used in any Articles or Sections of the Existing Indenture or the Notes of such series deleted by any Article or
Section of this Supplemental Indenture and (ii) not otherwise used in any other Article or Section of the Existing
Indenture or the Notes of such series not affected by this Supplemental Indenture are hereby deleted. Holders of the Notes of each series
constituting the Requisite Consents with respect to such series have waived any Default, Event of Default or other consequence under
the Existing Indenture for failure to comply with the terms of the provisions identified in Sections 2.01 through 2.08 above (whether
before or after the date hereof).

 

Article 3

EFFECTIVENESS

 

Section 3.01           Effectiveness
of Supplemental Indenture. This Supplemental Indenture shall become effective upon execution and delivery of this instrument by each
of the parties hereto. Notwithstanding the foregoing sentence, the Amendments set forth in Article 2 hereof shall become operative
with respect to any series of Notes on and as of the date on which the Exchange Offer with respect to such series of Notes is consummated
in accordance with the terms and conditions set forth in the Offering Memorandum (the “Closing Date”). If the Exchange
Offer with respect to any series of Notes is not consummated in accordance with the terms and conditions set forth in the Offering Memorandum,
the Amendments set forth in Article 2 hereof shall not become operative with respect to such series of Notes and shall be null and
void for all purposes under the Existing Indenture with respect to the Notes of such series and under the Notes of such series. For the
avoidance of doubt, the failure to consummate an Exchange Offer for any series of Notes shall not cause the Amendments set forth in Article 2
hereof to be, or become, inoperative with respect to any other series of Notes for which the Exchange Offer has been consummated.

 

Article 4

MISCELLANEOUS PROVISIONS

 

Section 4.01           Relationship
to Base Indenture and Existing Indenture. This Supplemental Indenture constitutes an integral part of the Existing Indenture. This
Supplemental Indenture is a supplemental indenture within the meaning of the Existing Indenture. The Existing Indenture, as supplemented
and amended by this Supplemental Indenture with respect to each series of Notes, is in all respects ratified, confirmed and approved
and, with respect to the Notes of such series, the Existing Indenture, as supplemented and amended by this Supplemental Indenture, shall
be read, taken and construed as one and the same instrument. Except as expressly modified by this Supplemental Indenture, the provisions
of the Existing Indenture shall govern the terms and conditions of the Notes of such series. The provisions of this Supplemental Indenture
shall supersede any conflicting provisions of the Existing Indenture with respect to the Notes of such series.

 

    4

     

    

 

Section 4.02           Trust
Indenture Act Controls. If any provision of this Supplemental Indenture limits, qualifies, or conflicts with the Trust Indenture Act
of 1939 (as amended, the “TIA”) or another provision which is required or deemed to be included in the Existing Indenture
by the TIA, the TIA or such required or deemed provision, as applicable, shall control. If any provision of this Supplemental Indenture
modifies or excludes any provision of the TIA, that may be so modified or excluded, the provision on the TIA shall be deemed to apply
to the Existing Indenture with respect to each series of Notes as so modified or shall be excluded, as the case may be.

 

Section 4.03           GOVERNING
LAW. THIS SUPPLEMENTAL INDENTURE AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HERETO, INCLUDING THE INTERPRETATION, CONSTRUCTION,
VALIDITY AND ENFORCEABILITY THEREOF, SHALL BE GOVERNED BY AND CONSTRUED AND INTERPRETED IN ACCORDANCE WITH THE LAW OF THE STATE OF NEW
YORK.

 

Section 4.04           Counterpart
Originals. The parties may sign any number of copies of this Supplemental Indenture, and each party hereto may sign any number of
separate 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 PDF 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 Supplemental Indenture
for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for
all purposes.

 

Section 4.05           Effect
of Headings. The Article and Section headings herein are for convenience of reference only and shall not affect the construction
hereof.

 

Section 4.06           Successors
and Assigns. All covenants and agreements in this Supplemental Indenture by the Company or the Trustee shall bind their respective
successors and assigns, whether so expressed or not.

 

Section 4.07           Separability
Clause. In case any provision in this Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and
enforceability of the remaining provisions shall not in any way be affected or impaired thereby.

 

Section 4.08           The
Trustee. Except as otherwise expressly provided herein, no duties, responsibilities or liabilities are assumed, or shall be construed
to be assumed, by the Trustee by reason of this Supplemental Indenture. This Supplemental Indenture is executed and accepted by the Trustee
subject to all of the terms and conditions set forth in the Existing Indenture with the same force and effect as if those terms and conditions
were repeated at length herein and made applicable to the Trustee and the Company with respect hereto. The
Trustee assumes no responsibility for the correctness of the recitals contained herein. The Trustee makes no representations as to the
validity or sufficiency of this Supplemental Indenture.

 

[Signature
Pages Follow]

 

    5

     

    

 

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

 

	 	CIMAREX ENERGY CO.,
	 	As Issuer
	 	 	 
	 	By:	/s/ G. Mark Burford
	 	 	G. Mark Burford
	 	 	Senior Vice President and Chief Financial Officer

 

[Signature Page – Third Supplemental
Indenture (2027 and 2029 Notes)]

 

    

     

    

 

	 	U.S. BANK NATIONAL ASSOCIATION,
	 	As Trustee
	 	 	 
	 	By:	/s/ Michael McGuire
	 	 	Michael McGuire
	 	 	Vice President

 

[Signature Page – Third Supplemental
Indenture (2027 and 2029 Notes)]

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