EnerVest Ltd.

09/25/2024 | Press release | Distributed by Public on 09/25/2024 16:27

Amendment to Beneficial Ownership Report - Form SC 13D/A

OMB APPROVAL

OMB Number:

Expires:

Estimated average burden

hours per response . . . . . .

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 13D

UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 15)*

(Final Amendment)

Magnolia Oil & Gas Corporation

(Name of Issuer)

Class A Common Stock, par value $0.0001 per share
(Title of Class of Securities)

559663109
(CUSIP Number)

J. Andrew West
1001 Fannin Street, Suite 800
Houston, Texas 77002
(713) 659-3500
(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

September 23, 2024
(Date of Event Which Requires Filing of Statement on Schedule 13D)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), checking the following box. ¨

* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 559663109

Schedule 13D

Page 2 of 18 Pages
(1) Name of Filing Parties:
I.R.S. Identification No. of Above Persons (entities only):

EnerVest, Ltd./76-0378595

(2) Check the Appropriate Box if a Member of a Group (See Instructions):
(a) ¨

(b) x

(3) SEC Use Only:
(4) Source of Funds (See Instructions): OO
(5) Check Box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): ¨
(6) Citizenship or Place of Organization:
Texas, U.S.
NUMBER OF
SHARES
BENEFICIALLY
OWNED
BY EACH
REPORTING
PERSON WITH:
(7)

Sole Voting

Power 0

(8)

Shared Voting

Power 7,622,882 (1)

(9)

Sole Dispositive

Power 0

(10)

Shared Dispositive

Power 7,622,882 (1)

(11) Aggregate Amount Beneficially Owned by Each Reporting Person:
7,622,882
(12) Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions): ¨
(13) Percent of Class Represented by Amount in Row (11):
3.8%
(14) Type of Reporting Person (See Instructions): PN

Note: All share numbers on these cover pages presented on an as-converted basis.

(1) EnerVest, Ltd. ("EnerVest") may be deemed to have beneficial ownership of 7,622,882 shares of Class A Common Stock, par value $0.0001 per share (the "Class A Common Stock"). Such shares are held (in the amounts set forth below) by EnerVest Energy Institutional Fund XIV-A, L.P., EnerVest Energy Institutional Fund XIV-2A, L.P., EnerVest Energy Institutional Fund XIV-3A, L.P., EnerVest Energy Institutional Fund XIV-WIC, L.P., EnerVest Energy Institutional Fund XIV-C, L.P. and EnerVest Energy Institutional Fund XIV-C-AIV, L.P. (collectively, the "Record Holders"). The relationship of the parties filing this Schedule 13D is described in Item 2.

CUSIP No. 559663109

Schedule 13D

Page 3 of 18 Pages
(1) Name of Filing Parties:
I.R.S. Identification No. of Above Persons (entities only):

EnerVest Management GP, L.C./76-0629541

(2) Check the Appropriate Box if a Member of a Group (See Instructions):
(a) ¨

(b) x

(3) SEC Use Only:
(4) Source of Funds (See Instructions): OO
(5) Check Box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): ¨
(6) Citizenship or Place of Organization:
Texas, U.S.
NUMBER OF
SHARES
BENEFICIALLY
OWNED
BY EACH
REPORTING
PERSON WITH:
(7)

Sole Voting

Power 0

(8)

Shared Voting

Power 7,622,882 (1)

(9)

Sole Dispositive

Power 0

(10)

Shared Dispositive

Power 7,622,882 (1)

(11) Aggregate Amount Beneficially Owned by Each Reporting Person:
7,622,882
(12) Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions): ¨
(13) Percent of Class Represented by Amount in Row (11):
3.8%
(14) Type of Reporting Person (See Instructions): OO

(1) EnerVest Management GP, L.C. ("EVM GP") may be deemed to have beneficial ownership of 7,622,882 shares of Class A Common Stock. Such shares are held (in the amounts set forth below) by the Record Holders. The relationship of the parties filing this Schedule 13D is described in Item 2.

CUSIP No. 559663109

Schedule 13D

Page 4 of 18 Pages
(1) Name of Filing Parties:
I.R.S. Identification No. of Above Persons (entities only):

EnerVest Energy Institutional Fund XIV-A, L.P. / 47-2575103

(2) Check the Appropriate Box if a Member of a Group (See Instructions):
(a) ¨

(b) x

(3) SEC Use Only:
(4) Source of Funds (See Instructions):
OO
(5) Check Box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): ¨
(6) Citizenship or Place of Organization:
Delaware, U.S.
NUMBER OF
SHARES
BENEFICIALLY
OWNED
BY EACH
REPORTING
PERSON WITH:
(7)

Sole Voting

Power 0

(8)

Shared Voting

Power 3,655,669 (1)

(9)

Sole Dispositive

Power 0

(10)

Shared Dispositive

Power 3,655,669 (1)

(11) Aggregate Amount Beneficially Owned by Each Reporting Person:
3,655,669
(12) Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions): ¨
(13) Percent of Class Represented by Amount in Row (11):
1.8%
(14) Type of Reporting Person (See Instructions):
PN

(1) EnerVest Energy Institutional Fund XIV-A, L.P. ("EV XIV-A") owns of record 3,655,669 shares of the Issuer's Class B Common Stock, par value $0.0001 per share (the "Class B Common Stock"), each share of which, pursuant to the Amended and Restated Limited Liability Company Agreement of Magnolia Oil & Gas Parent LLC ("Magnolia LLC"), dated as of July 31, 2018 (the "LLC Agreement"), may be exchanged (by exchanging one unit in Magnolia LLC (a "Unit") and one share of Class B Common Stock) for one share of Class A Common Stock. The ability to exchange Class B Common Stock for Class A Common Stock and the relationship of the parties filing this Schedule 13D is described in Item 2.

CUSIP No. 559663109

Schedule 13D

Page 5 of 18 Pages
(1) Name of Filing Parties:
I.R.S. Identification No. of Above Persons (entities only):
EnerVest Energy Institutional Fund XIV-2A, L.P. / 81-2214106
(2) Check the Appropriate Box if a Member of a Group (See Instructions):
(a) ¨

(b) x

(3) SEC Use Only:
(4) Source of Funds (See Instructions):
OO
(5) Check Box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): ¨
(6) Citizenship or Place of Organization:
Delaware, U.S.
NUMBER OF
SHARES
BENEFICIALLY
OWNED
BY EACH
REPORTING
PERSON WITH:
(7)

Sole Voting

Power 0

(8)

Shared Voting

Power 699,578 (1)

(9)

Sole Dispositive

Power 0

(10)

Shared Dispositive

Power 699,578 (1)

(11) Aggregate Amount Beneficially Owned by Each Reporting Person:
699,578
(12) Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions): ¨
(13) Percent of Class Represented by Amount in Row (11):
Less than 1%
(14) Type of Reporting Person (See Instructions):
PN

(1) EnerVest Energy Institutional Fund XIV-2A, L.P. ("EV XIV-2A") owns of record 699,578 shares of the Issuer's Class B Common Stock, each share of which, pursuant to the LLC Agreement may be exchanged (by exchanging one Unit and one share of Class B Common Stock) for one share of Class A Common Stock. The ability to exchange Class B Common Stock for Class A Common Stock and the relationship of the parties filing this Schedule 13D is described in Item 2.

CUSIP No. 559663109

Schedule 13D

Page 6 of 18 Pages
(1) Name of Filing Parties:
I.R.S. Identification No. of Above Persons (entities only):

EnerVest Energy Institutional Fund XIV-3A, L.P. / 81-2835063

(2) Check the Appropriate Box if a Member of a Group (See Instructions):
(a) ¨

(b) x

(3) SEC Use Only:
(4) Source of Funds (See Instructions):
OO
(5) Check Box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): ¨
(6) Citizenship or Place of Organization:
Delaware, U.S.
NUMBER OF
SHARES
BENEFICIALLY
OWNED
BY EACH
REPORTING
PERSON WITH:
(7)

Sole Voting

Power 0

(8)

Shared Voting

Power 721,689 (1)

(9)

Sole Dispositive

Power 0

(10)

Shared Dispositive

Power 721,689 (1)

(11) Aggregate Amount Beneficially Owned by Each Reporting Person:
721,689
(12) Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions): ¨
(13) Percent of Class Represented by Amount in Row (11):
Less than 1%
(14) Type of Reporting Person (See Instructions):
PN

(1) EnerVest Energy Institutional Fund XIV-3A, L.P. ("EV XIV-3A") owns of record 721,689 shares of the Issuer's Class B Common Stock, each share of which, pursuant to the LLC Agreement may be exchanged (by exchanging one Unit and one share of Class B Common Stock) for one share of Class A Common Stock. The ability to exchange Class B Common Stock for Class A Common Stock and the relationship of the parties filing this Schedule 13D is described in Item 2.

CUSIP No. 559663109

Schedule 13D

Page 7 of 18 Pages
(1) Name of Filing Parties:
I.R.S. Identification No. of Above Persons (entities only):

EnerVest Energy Institutional Fund XIV-WIC, L.P. / 61-1751769

(2) Check the Appropriate Box if a Member of a Group (See Instructions):
(a) ¨

(b) x

(3) SEC Use Only:
(4) Source of Funds (See Instructions):
OO
(5) Check Box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): ¨
(6) Citizenship or Place of Organization:
Delaware, U.S.
NUMBER OF
SHARES
BENEFICIALLY
OWNED
BY EACH
REPORTING
PERSON WITH:
(7)

Sole Voting

Power 0

(8)

Shared Voting

Power 38,182 (1)

(9)

Sole Dispositive

Power 0

(10)

Shared Dispositive

Power 38,182 (1)

(11) Aggregate Amount Beneficially Owned by Each Reporting Person:
38,182
(12) Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions): ¨
(13) Percent of Class Represented by Amount in Row (11):
Less than 1%
(14) Type of Reporting Person (See Instructions):
PN

(1) EnerVest Energy Institutional Fund XIV-WIC, L.P. ("EV XIV-WIC") owns of record 38,182 shares of the Issuer's Class B Common Stock, each share of which, pursuant to the LLC Agreement may be exchanged (by exchanging one Unit and one share of Class B Common Stock) for one share of Class A Common Stock. The ability to exchange Class B Common Stock for Class A Common Stock and the relationship of the parties filing this Schedule 13D is described in Item 2.

CUSIP No. 559663109

Schedule 13D

Page 8 of 18 Pages
(1) Name of Filing Parties:
I.R.S. Identification No. of Above Persons (entities only):

EnerVest Energy Institutional Fund XIV-C, L.P. / 61-1751620

(2) Check the Appropriate Box if a Member of a Group (See Instructions):
(a) ¨

(b) x

(3) SEC Use Only:
(4) Source of Funds (See Instructions):
OO
(5) Check Box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): ¨
(6) Citizenship or Place of Organization:
Delaware, U.S.
NUMBER OF
SHARES
BENEFICIALLY
OWNED
BY EACH
REPORTING
PERSON WITH:
(7)

Sole Voting

Power 0

(8)

Shared Voting

Power 2,099,403 (1)

(9)

Sole Dispositive

Power 0

(10)

Shared Dispositive

Power 2,099,403 (1)

(11) Aggregate Amount Beneficially Owned by Each Reporting Person:
2,099,403
(12) Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions): ¨
(13) Percent of Class Represented by Amount in Row (11):
1.1%
(14) Type of Reporting Person (See Instructions):
PN

(1) EnerVest Energy Institutional Fund XIV-C, L.P. ("EV XIV-C") owns of record 2,099,403 shares of Class A Common Stock. The relationship of the parties filing this Schedule 13D is described in Item 2.

CUSIP No. 559663109

Schedule 13D

Page 9 of 18 Pages
(1) Name of Filing Parties:
I.R.S. Identification No. of Above Persons (entities only):

EnerVest Energy Institutional Fund XIV-C-AIV, L.P. / 83-1342712

(2) Check the Appropriate Box if a Member of a Group (See Instructions):
(a) ¨

(b) x

(3) SEC Use Only:
(4) Source of Funds (See Instructions):
OO
(5) Check Box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): ¨
(6) Citizenship or Place of Organization:
Delaware, U.S.
NUMBER OF
SHARES
BENEFICIALLY
OWNED
BY EACH
REPORTING
PERSON WITH:
(7)

Sole Voting

Power 0

(8)

Shared Voting

Power 408,361 (1)

(9)

Sole Dispositive

Power 0

(10)

Shared Dispositive

Power 408,361 (1)

(11) Aggregate Amount Beneficially Owned by Each Reporting Person:
408,361
(12) Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions): ¨
(13) Percent of Class Represented by Amount in Row (11):
Less than 1%
(14) Type of Reporting Person (See Instructions):
PN

(1) EnerVest Energy Institutional Fund XIV-C-AIV, L.P. ("EV XIV-C-AIV") owns of record 408,361 shares of the Issuer's Class B Common Stock, each share of which, pursuant to the LLC Agreement may be exchanged (by exchanging one Unit and one share of Class B Common Stock) for one share of Class A Common Stock. The ability to exchange Class B Common Stock for Class A Common Stock and the relationship of the parties filing this Schedule 13D is described in Item 2.

CUSIP No. 559663109

Schedule 13D

Page 10 of 18 Pages
(1) Name of Filing Parties:
I.R.S. Identification No. of Above Persons (entities only):

John B. Walker

(2) Check the Appropriate Box if a Member of a Group (See Instructions):
(a) ¨

(b) x

(3) SEC Use Only:
(4) Source of Funds (See Instructions):
OO
(5) Check Box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): ¨
(6) Citizenship or Place of Organization:
United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED
BY EACH
REPORTING
PERSON WITH:
(7)

Sole Voting

Power 609,121(1)

(8)

Shared Voting

Power 7,622,882 (2)

(9)

Sole Dispositive

Power 609,121(1)

(10)

Shared Dispositive

Power 7,622,882 (2)

(11) Aggregate Amount Beneficially Owned by Each Reporting Person:
8,232,003
(12) Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions): ¨
(13) Percent of Class Represented by Amount in Row (11):
4.1%
(14) Type of Reporting Person (See Instructions):
IN

(1) Mr. Walker is the sole owner of 609,121 shares of Class A Common Stock and (b) 6,364 unvested restricted stock units ("RSUs") granted under the Magnolia Oil & Gas Corporation Long Term Incentive Plan (the "Plan"). Each RSU represents a contingent right to receive one share of Class A Common Stock. The RSUs will vest on the earlier of (a) the day preceding the next annual meeting of stockholders of the Issuer at which directors are elected or (b) the first anniversary of the grant date, in each case, subject to the director's continued service through the applicable vesting date and, as such, Mr. Walker may not acquire beneficial ownership of such securities within 60 days of the date hereof.

(2) As described in Item 5 below, Mr. Walker, by virtue of his indirect ownership and status as a principal of EVM GP, EnerVest's general partner, may be deemed to have beneficial ownership of an aggregate of 8,232,003 shares of Class A Common Stock, of which 7,622,882 are owned of record by the Record Holders. The relationship of the parties filing this Schedule 13D is described in Item 2.

CUSIP No. 559663109

Schedule 13D

Page 11 of 18 Pages
(1) Name of Filing Parties:
I.R.S. Identification No. of Above Persons (entities only):

EnerVest Investment Services, L.L.C. /27-4656496

(2) Check the Appropriate Box if a Member of a Group (See Instructions):
(a) ¨

(b) x

(3) SEC Use Only:
(4) Source of Funds (See Instructions):
OO
(5) Check Box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): ¨
(6) Citizenship or Place of Organization:
Delaware, U.S.
NUMBER OF
SHARES
BENEFICIALLY
OWNED
BY EACH
REPORTING
PERSON WITH:
(7)

Sole Voting

Power 0

(8)

Shared Voting

Power 7,622,882 (1)

(9)

Sole Dispositive

Power 0

(10)

Shared Dispositive

Power 7,622,882 (1)

(11) Aggregate Amount Beneficially Owned by Each Reporting Person:
7,622,882
(12) Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions): ¨
(13) Percent of Class Represented by Amount in Row (11):
3.8%
(14) Type of Reporting Person (See Instructions):
IA

(1) EnerVest Investment Services, L.L.C. ("EIS, LLC") may be deemed to have beneficial ownership of 7,622,882 shares of Class A Common Stock, which shares are directly owned of record by the Record Holders. The relationship of the parties filing this Schedule 13D is described in Item 2.

Note: All share numbers on these cover pages presented on an as-converted basis.

CUSIP No. 559663109

Schedule 13D

Page 12 of 18 Pages
ITEM 1. SECURITY AND ISSUER

This Amendment No. 15 to Schedule 13D (this "Final Amendment") relates to shares of Class A common stock, par value $0.0001 per share (the "Class A Common Stock"), of Magnolia Oil & Gas Corporation, a Delaware corporation (the "Issuer"). Capitalized terms used but not defined herein shall have the meanings ascribed to such terms in the Schedule 13D.

The address of the Issuer's principal executive offices is Nine Greenway Plaza, Suite 1300, Houston, TX 77046.

ITEM 2. IDENTITY AND BACKGROUND

The disclosure provided in Item 2 of the Schedule 13D amended hereby is updated to include the following additional disclosures:

(a) On September 23, 2024, certain of the Record Holders and Magnolia Oil & Gas Parent LLC ("Magnolia LLC") entered into an agreement whereby 500,000 shares of Class B Common Stock were transferred on the September 2024 Block Trade Closing Date (defined below), to the Issuer by certain of the Record Holders and subsequently cancelled in connection with certain of the Record Holders selling 500,000 units of Magnolia LLC to Magnolia LLC at the same price per unit as the shares of Class A Common Stock sold in the September 2024 Block Trade (defined below). Such shares were transferred on the September 2024 Block Trade Closing Date (defined below) to the Issuer in the amounts and from the Record Holders are set forth below:

Record
Holder
Shares of Class A Common
Stock Transferred
Shares of Class B Common
Stock Transferred
EV XIV-A 0 330,921
EV XIV-2A 0 63,328
EV XIV-3A 0 65,329
EV XIV-WIC 0 3,457
EV XIV-C-AIV 0 36,965

(b) In connection with the September 2024 Block Trade, on September 23, 2024, certain of the Record Holders agreed to exchange 4,934,442 shares of Class B Common Stock and an equal number of units in Magnolia LLC for 4,934,442 shares of Class A Common Stock. The 4,934,442 shares of Class B Common Stock will be cancelled upon the issuance of an equal number of Class A Common Stock as set forth below:

CUSIP No. 559663109

Schedule 13D

Page 13 of 18 Pages
Record
Holder
Shares of Class A Common
Stock Issued
Shares of Class B Common
Stock Cancelled
EV XIV-A 3,265,817 3,265,817
EV XIV-2A 624,974 624,974
EV XIV-3A 644,724 644,724
EV XIV-WIC 34,117 34,117
EV XIV-C-AIV 364,810 364,810

(c) On September 23, 2024, the Record Holders agreed to sell 7,000,000 shares of Class A Common Stock to J.P. Morgan Securities LLC (the "Block Trade Purchaser"), in an unregistered block trade pursuant to Rule 144 under the Securities Act of 1933, as amended (the "May 2024 Block Trade"), at a price of $25.86 per share of Class A Common Stock. The September 2024 Block Trade closing date (the "September 2024 Block Trade Closing Date") is September 25, 2024. As a result of the September 2024 Block Trade, the Block Trade Purchaser is expected to purchase on the September 2024 Block Trade Closing from the Record Holders the shares of Class A Common Stock in the amounts and from such holder set forth below:

Record
Holder
Shares of Class A Common
Stock Sold
EV XIV-A 3,265,817
EV XIV-2A 624,974
EV XIV-3A 644,724
EV XIV-WIC 34,117
EV XIV-C 2,065,558
EV XIV-C-AIV 364,810
CUSIP No. 559663109

Schedule 13D

Page 14 of 18 Pages
ITEM 5. INTEREST IN SECURITIES OF THE ISSUER

(a) and (b):

Reporting
Persons
Number of
Shares With
Sole Voting
Power
Number of
Shares With
Shared Voting
Power
Sole Beneficial
Ownership
Shared
Beneficial
Ownership
Percentage
of Class
Beneficially
Owned
EnerVest 0 7,622,882 0 7,622,882 3.8%
EVM GP 0 7,622,882 0 7,622,882 3.8%
EV XIV-A 0 3,655,669 0 3,655,669 1.8%
EV XIV-2A 0 699,578 0 699,578 Less than 1%
EV XIV-3A 0 721,689 0 721,689 Less than 1%
EV XIV-WIC 0 38,182 0 38,182 Less than 1%
EV XIV-C 0 2,099,403 0 2,099,403 1.1%
EV XIV-C-AIV 0 408,361 0 408,361 Less than 1%
John B. Walker 609,121 7,622,882 609,121 8,232,003 4.1%
EIS, LLC 0 7,622,882 0 7,622,882 3.8%

*All share numbers presented in this table assume full conversion of Class B Common Stock (with the Units) to Class A Common Stock.

The filing of this Schedule 13D shall not be construed as an admission by any Filing Party that, for the purpose of Section 13(d) or 13(g) of the Act, such Filing Party is the beneficial owner of any securities covered by this Schedule 13D other than securities owned of record by such Filing Party.

Except as indicated in this Item 5 or as set forth herein, neither the Filing Parties nor, to the best knowledge of the Filing Parties, any of the Listed Persons owns beneficially, or has any right to acquire, directly or indirectly, any additional shares of Class A Common Stock or Class B Common Stock.

(c) Other than as reported herein (including as may have been reported in EnerVest's initial Schedule 13D filed with the SEC on August 10, 2018 or in any amendment thereto), none of the Filing Parties has effected any transactions involving the Class A Common Stock in the 60 days prior to filing this Final Amendment.
(d) No person other than the Filing Parties has the right to receive or the power to direct the receipt of distributions from, or the proceeds from the sale of, the shares of Class A Common Stock and Class B Common Stock owned of record by the EnerVest entities.
CUSIP No. 559663109

Schedule 13D

Page 15 of 18 Pages
(e) On September 25, 2024, the Reporting Persons ceased to be beneficial owners of 5% or more of the outstanding Class A Common Stock of the Issuer. Accordingly, this Final Amendment constitutes an exit filing for each of the Reporting Persons.
ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO SECURITIES OF THE ISSUER

The disclosure provided in Item 6 of the Schedule 13D amended hereby is updated to include the following additional disclosure:

The information set forth in Items 2 and 5 of the Schedule 13D is hereby incorporated by reference into this Item 6.

ITEM 7. MATERIAL TO BE FILED AS EXHIBITS
7.1 Registration Rights Agreement, dated as of July 31, 2018, by and among Magnolia Oil & Gas Corporation, EnerVest Energy Institutional Fund XIV-A, L.P., EnerVest Energy Institutional Fund XIV-WIC, L.P., EnerVest Energy Institutional Fund XIV-2A, L.P., EnerVest Energy Institutional Fund XIV-3A, L.P., EnerVest Energy Institutional Fund XIV-C, L.P., EnerVest Energy Institutional Fund XIV-C-AIV, L.P., TPG Pace Energy Sponsor, LLC, Arcilia Acosta, Edward Djerejian, Chad Leat and Dan F. Smith (incorporated by reference to Exhibit 4.3 to the Issuer's Current Report on Form 8-K, filed with the SEC on August 6, 2018).
7.2 Amended and Restated Limited Liability Company Agreement of Magnolia Oil & Gas Parent LLC, dated as of July 31, 2018 (incorporated by reference to Exhibit 10.2 to the Issuer's Current Report on Form 8-K, filed with the SEC on August 6, 2018).
7.3 Joint Filing Agreement (incorporated by reference to Exhibit 7.6 to EnerVest's Schedule 13D, filed with the SEC on August 10, 2018).
CUSIP No. 559663109

Schedule 13D

Page 16 of 18 Pages

SIGNATURE

After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information set forth in this Schedule 13D with respect to the undersigned is true, complete, and correct.

Dated as of September 25, 2024

EnerVest Management GP, L.C.
By: /s/ Jud Walker
Name: Jud Walker
Title: President & Chief Executive Officer
EnerVest, Ltd.
By: EnerVest Management GP, L.C., its General Partner
By: /s/ Jud Walker
Name: Jud Walker
Title: President & Chief Executive Officer
EnerVest Energy Institutional Fund XIV-A, L.P.
By: EVFA GP XIV, LLC, its Managing General Partner
By: EnerVest, Ltd., its sole member
By: EnerVest Management GP, L.C., its General Partner
By: /s/ Jud Walker
Name: Jud Walker
Title: President & Chief Executive Officer
EnerVest Energy Institutional Fund XIV-2A, L.P.
By: EVFA XIV-2A, LLC, its Managing General Partner
By: EnerVest, Ltd., its sole member
By: EnerVest Management GP, L.C., its General Partner
By: /s/ Jud Walker
Name: Jud Walker
Title: President & Chief Executive Officer
EnerVest Energy Institutional Fund XIV-3A, L.P.
By: EVFA XIV-3A, LLC, its Managing General Partner
By: EnerVest, Ltd., its sole member
By: EnerVest Management GP, L.C., its General Partner
By: /s/ Jud Walker
Name: Jud Walker
Title: President & Chief Executive Officer
CUSIP No. 559663109

Schedule 13D

Page 17 of 18 Pages
EnerVest Energy Institutional Fund XIV-WIC, L.P.
By: EnerVest Holding XIV, LLC, its General Partner
By: EnerVest, Ltd., its sole member
By: EnerVest Management GP, L.C., its General Partner
By: /s/ Jud Walker
Name: Jud Walker
Title: President & Chief Executive Officer
EnerVest Energy Institutional Fund XIV-C, L.P.
By: EVFC GP XIV, LLC, its Managing General Partner
By: EnerVest, Ltd., its sole member
By: EnerVest Management GP, L.C., its General Partner
By: /s/ Jud Walker
Name: Jud Walker
Title: President & Chief Executive Officer
EnerVest Energy Institutional Fund XIV-C-AIV, L.P.
By: EVFC GP XIV, LLC, its Managing General Partner
By: EnerVest, Ltd., its sole member
By: EnerVest Management GP, L.C., its General Partner
By: /s/ Jud Walker
Name: Jud Walker
Title: President & Chief Executive Officer
EnerVest Investment Services, L.L.C.
By: EnerVest Holding, L.P., its Sole Member
By: EnerVest Operating, L.L.C., its General Partner
By: /s/ Travis W. Hancock
Name: Travis W. Hancock
Title: Senior Vice President & Chief Financial Officer
/s/ John B. Walker
John B. Walker
CUSIP No. 559663109

Schedule 13D

Page 18 of 18 Pages

EXHIBIT INDEX

EXHIBIT NO. DESCRIPTION
7.1

Registration Rights Agreement, dated as of July 31, 2018, by and among Magnolia Oil & Gas Corporation, EnerVest Energy Institutional Fund XIV-A, L.P., EnerVest Energy Institutional Fund XIV-WIC, L.P., EnerVest Energy Institutional Fund XIV-2A, L.P., EnerVest Energy Institutional Fund XIV-3A, L.P., EnerVest Energy Institutional Fund XIV-C, L.P., EnerVest Energy Institutional Fund XIV-C-AIV, L.P., TPG Pace Energy Sponsor, LLC, Arcilia Acosta, Edward Djerejian, Chad Leat and Dan F. Smith (incorporated by reference to Exhibit 4.3 to the Issuer's Current Report on Form 8-K, filed with the SEC on August 6, 2018).

7.2 Amended and Restated Limited Liability Company Agreement of Magnolia Oil & Gas Parent LLC, dated as of July 31, 2018 (incorporated by reference to Exhibit 10.2 to the Issuer's Current Report on Form 8-K, filed with the SEC on August 6, 2018).
7.3 Joint Filing Agreement (incorporated by reference to Exhibit 7.6 to EnerVest's Schedule 13D, filed with the SEC on August 10, 2018).