Riley Exploration holders update 7.81% and 9.59% stakes

Riley Exploration Permian, Inc. received an updated ownership report from Riley Exploration Group, LLC (REXG) and affiliated Yorktown investment entities.

Rhea-AI Filing Summary

Riley Exploration Permian, Inc. received an updated ownership report from Riley Exploration Group, LLC (REXG) and affiliated Yorktown investment entities. The filing shows how many shares these sponsors control and how that ties to their partnership structure.

REXG beneficially owns 1,715,219 shares of common stock, or 7.81% of the 21,968,906 shares outstanding as of October 31, 2025. Yorktown IX, Yorktown IX Company LP and Yorktown IX Associates LLC each report the same 1,715,219-share, 7.81% beneficial stake through REXG. Yorktown X, Yorktown X Company LP and Yorktown X Associates LLC report beneficial ownership of 2,106,079 shares, or 9.59% of the company.

The amendment also discloses that on November 21, 2025, REXG contributed 250,000 Riley Exploration Permian shares to Combo Resources, LLC in exchange for 870,000 Class B units of Combo. The reporting entities and their managers broadly disclaim beneficial ownership beyond their economic interests in these holdings.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What ownership stake in Riley Exploration Permian (REPX) does Riley Exploration Group report?

Riley Exploration Group, LLC reports beneficial ownership of 1,715,219 shares of Riley Exploration Permian common stock. This represents 7.81% of the 21,968,906 shares outstanding as of October 31, 2025, based on the company’s Form 10-Q filed November 5, 2025.

How much of Riley Exploration Permian (REPX) do the Yorktown IX entities beneficially own?

Yorktown IX, Yorktown IX Company LP and Yorktown IX Associates LLC each report beneficial ownership of 1,715,219 shares of Riley Exploration Permian. This stake equals 7.81% of the outstanding common stock, calculated using 21,968,906 shares outstanding as of October 31, 2025.

What percentage of Riley Exploration Permian (REPX) do Yorktown X entities report owning?

Yorktown X, Yorktown X Company LP and Yorktown X Associates LLC report beneficial ownership of 2,106,079 Riley Exploration Permian shares. This position represents 9.59% of the company’s outstanding common stock, using the 21,968,906 shares outstanding as of October 31, 2025 as the reference base.

What transaction did Riley Exploration Group disclose with Combo Resources related to REPX shares?

Riley Exploration Group disclosed a contribution of 250,000 Riley Exploration Permian common shares to Combo Resources, LLC. In return, Combo issued 870,000 Class B units of membership interest to Riley Exploration Group under a Contribution Agreement dated November 21, 2025.

Did the reporting Yorktown entities trade additional Riley Exploration Permian (REPX) shares recently?

The reporting entities state that, other than the contribution described in the filing, none of them effected any transactions in Riley Exploration Permian common stock during the past 60 days. This clarifies that no other recent share purchases or sales are being reported in this amendment.

Why do Yorktown entities and managers disclaim beneficial ownership of some REPX shares?

Yorktown entities and their managers disclaim beneficial ownership of Riley Exploration Permian shares beyond their pecuniary interests. Because many holdings are through Riley Exploration Group or partnerships, they emphasize that reporting may reflect control relationships rather than full economic ownership of all disclosed shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/19/2026 - 04:01 PM EST Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 5)

Riley Exploration Permian, Inc.

(Name of Issuer)

Common Stock, par value $0.001 per share

(Title of Class of Securities)

76665T102

(CUSIP Number)

Bryan H. Lawrence
Riley Exploration Group, LLC, 29 East Reno, Suite 500
Oklahoma City, OK, 73104
(212) 515-2112

Jesse E. Betts
Willkie Farr & Gallagher LLP, 2828 Routh Street
Dallas, TX, 75201
(214) 233-4537

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

11/21/2025

(Date of Event Which Requires Filing of This Statement)

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), check the following box.

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).

SCHEDULE 13D

CUSIP No. 76665T102

1

Name of reporting person

Riley Exploration Group, LLC

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 1,715,219.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 1,715,219.00

11

Aggregate amount beneficially owned by each reporting person

1,715,219.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

7.81 %

14

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person:

(1) The percent of class represented by the amount in Row (11) is based on 21,968,906 shares of common stock, par value $0.001 per share ("Common Stock") issued and outstanding as of October 31, 2025, which is the total number of shares outstanding as reported in the Issuer's quarterly report on Form 10-Q filed with the SEC on November 5, 2025.

SCHEDULE 13D

CUSIP No. 76665T102

1

Name of reporting person

Yorktown Energy Partners IX, L.P.

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 1,715,219.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 1,715,219.00

11

Aggregate amount beneficially owned by each reporting person

1,715,219.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

7.81 %

14

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person:

(1) These securities are directly held by Riley Exploration Group, LLC ("REXG"). Pursuant to the terms of the Amended and Restated Limited Liability Agreement of REXG ("REXG LLC Agreement"), Yorktown Energy Partners IX, L.P. ("Yorktown IX") and Yorktown Energy Partners X, L.P. ("Yorktown X") (collectively, "Yorktown"), have the ability to elect a majority of the Board of Managers of REXG. Yorktown IX disclaims beneficial ownership of the securities owned by REXG in excess of its pecuniary interests therein. (2) The percent of class represented by the amount in Row (11) is based on 21,968,906 shares of Common Stock issued and outstanding as of October 31, 2025, which is the total number of shares outstanding as reported in the Issuer's quarterly report on Form 10-Q filed with the SEC on November 5, 2025.

SCHEDULE 13D

CUSIP No. 76665T102

1

Name of reporting person

Yorktown IX Company LP

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 1,715,219.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 1,715,219.00

11

Aggregate amount beneficially owned by each reporting person

1,715,219.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

7.81 %

14

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person:

(1) These securities are directly held by REXG. Pursuant to the terms of the REXG LLC Agreement, Yorktown has the ability to elect a majority of the Board of Managers of REXG. Yorktown IX Company LP is the sole general partner of Yorktown IX. As a result, Yorktown IX Company LP may be deemed to have the power to vote or direct the vote or to dispose or direct the disposition of the units of REXG owned by Yorktown IX. Yorktown IX Company LP disclaims beneficial ownership of the securities owned by REXG in excess of its pecuniary interests therein. (2) The percent of class represented by the amount in Row (11) is based on 21,968,906 shares of Common Stock issued and outstanding as of October 31, 2025, which is the total number of shares outstanding as reported in the Issuer's quarterly report on Form 10-Q filed with the SEC on November 5, 2025.

SCHEDULE 13D

CUSIP No. 76665T102

1

Name of reporting person

Yorktown IX Associates LLC

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 1,715,219.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 1,715,219.00

11

Aggregate amount beneficially owned by each reporting person

1,715,219.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

7.81 %

14

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person:

(1) These securities are directly held by REXG. Pursuant to the terms of the REXG LLC Agreement, Yorktown has the ability to elect a majority of the Board of Managers of REXG. Yorktown IX Company LP is the sole general partner of Yorktown IX, and Yorktown IX Associates LLC is the sole general partner of Yorktown IX Company LP. As a result, Yorktown IX Associates LLC may be deemed to have the power to vote or direct the vote or to dispose or direct the disposition of the units of REXG owned by Yorktown IX. The managers of Yorktown IX Associates LLC, who act by majority approval, are Bryan H. Lawrence, W. Howard Keenan, Jr., Peter A. Leidel, Tomas R. LaCosta, Robert A. Signorino and Bryan R. Lawrence. Yorktown IX, Yorktown IX Company LP and Yorktown IX Associates LLC disclaim beneficial ownership of the securities owned by REXG in excess of their pecuniary interests therein. The managers of Yorktown IX Associates LLC disclaim beneficial ownership of the securities owned by REXG. (2) The percent of class represented by the amount in Row (11) is based on 21,968,906 shares of Common Stock issued and outstanding as of October 31, 2025, which is the total number of shares outstanding as reported in the Issuer's quarterly report on Form 10-Q filed with the SEC on November 5, 2025.

SCHEDULE 13D

CUSIP No. 76665T102

1

Name of reporting person

Yorktown Energy Partners X, L.P.

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 390,860.00
8	Shared Voting Power 1,715,219.00
9	Sole Dispositive Power 390,860.00
10	Shared Dispositive Power 1,715,219.00

11

Aggregate amount beneficially owned by each reporting person

2,106,079.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

9.59 %

14

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person:

(1) The securities in Rows 7 and 9 are directly held by Yorktown X. (2) The securities in Rows 8 and 10 are directly held by REXG. Pursuant to the terms of the REXG LLC Agreement, Yorktown has the ability to elect a majority of the Board of Managers of REXG. Yorktown X disclaims beneficial ownership of the securities owned by REXG in excess of its pecuniary interests therein. (3) The percent of class represented by the amount in Row (11) is based on 21,968,906 shares of Common Stock issued and outstanding as of October 31, 2025, which is the total number of shares outstanding as reported in the Issuer's quarterly report on Form 10-Q filed with the SEC on November 5, 2025.

SCHEDULE 13D

CUSIP No. 76665T102

1

Name of reporting person

Yorktown X Company LP

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 390,860.00
8	Shared Voting Power 1,715,219.00
9	Sole Dispositive Power 390,860.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

2,106,079.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

9.59 %

14

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person:

(1) The securities in Rows 7 and 9 are held directly by Yorktown X. Yorktown X Company LP is the sole general partner of Yorktown X. As a result, Yorktown X Company LP may be deemed to have the power to vote or direct the vote or to dispose or direct the disposition of the Common Stock owned by Yorktown X. Yorktown X Company LP disclaims beneficial ownership of the securities owned by Yorktown X in excess of its pecuniary interests therein. (2) The securities in Rows 8 and 10 are directly held by REXG. Pursuant to the terms of the REXG LLC Agreement, Yorktown has the ability to elect a majority of the Board of Managers of REXG. Yorktown X Company LP is the sole general partner of Yorktown X. As a result, Yorktown X Company LP may be deemed to have the power to vote or direct the vote or to dispose or direct the disposition of the units of REXG owned by Yorktown X. Yorktown X Company LP disclaims beneficial ownership of the securities owned by REXG in excess of its pecuniary interests therein. (3) The percent of class represented by the amount in Row (11) is based on 21,968,906 shares of Common Stock issued and outstanding as of October 31, 2025, which is the total number of shares outstanding as reported in the Issuer's quarterly report on Form 10-Q filed with the SEC on November 5, 2025.

SCHEDULE 13D

CUSIP No. 76665T102

1

Name of reporting person

Yorktown X Associates LLC

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 390,860.00
8	Shared Voting Power 1,715,219.00
9	Sole Dispositive Power 390,860.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

2,106,079.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

9.59 %

14

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person:

(1) The securities in Rows 7 and 9 are held directly by Yorktown X. Yorktown X Company LP is the sole general partner of Yorktown X, and Yorktown X Associates LLC is the sole general partner of Yorktown X Company LP. As a result, Yorktown X Associates LLC may be deemed to have the power to vote or direct the vote or to dispose or direct the disposition of the Common Stock owned by Yorktown X. The managers of Yorktown X Associates LLC, who act by majority approval, are Bryan H. Lawrence, W. Howard Keenan, Jr., Peter A. Leidel, Tomas R. LaCosta, Robert A. Signorino and Bryan R. Lawrence. Yorktown X, Yorktown X Company LP and Yorktown X Associates LLC disclaim beneficial ownership of the securities owned by Yorktown X in excess of their pecuniary interests therein. The managers of Yorktown X Associates LLC disclaim beneficial ownership of the securities owned by Yorktown X. (2) The securities in Rows 8 and 10 are directly held by REXG. Pursuant to the terms of the REXG LLC Agreement, Yorktown has the ability to elect a majority of the Board of Managers of REXG. Yorktown X Company LP is the sole general partner of Yorktown X, and Yorktown X Associates LLC is the sole general partner of Yorktown X Company LP. As a result, Yorktown X Associates LLC may be deemed to have the power to vote or direct the vote or to dispose or direct the disposition of the units of REXG owned by Yorktown X. The managers of Yorktown X Associates LLC, who act by majority approval, are Bryan H. Lawrence, W. Howard Keenan, Jr., Peter A. Leidel, Tomas R. LaCosta, Robert A. Signorino and Bryan R. Lawrence. Yorktown X, Yorktown X Company LP and Yorktown X Associates LLC disclaim beneficial ownership of the securities owned by REXG in excess of their pecuniary interests therein. The managers of Yorktown X Associates LLC disclaim beneficial ownership of the securities owned by REXG. (3) The percent of class represented by the amount in Row (11) is based on 21,968,906 shares of Common Stock issued and outstanding as of October 31, 2025, which is the total number of Shares outstanding as reported in the Issuer's quarterly report on Form 10-Q filed with the SEC on November 5, 2025.

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Stock, par value $0.001 per share
(b)	Name of Issuer: Riley Exploration Permian, Inc.
(c)	Address of Issuer's Principal Executive Offices: 29 E. RENO AVENUE, SUITE 500, OKLAHOMA CITY, OKLAHOMA , 73104.
Item 1 Comment: This Amendment No. 5 to Schedule 13D (this "Amendment No. 5") amends the Statement on Schedule 13D filed with the SEC on March 8, 2021 (the "Original Schedule 13D"), as amended by Amendment No. 1 to the Original Schedule 13D filed with the SEC on July 30, 2021, as amended by Amendment No. 2 to the Original Schedule 13D filed with the SEC on October 18, 2021, as amended by Amendment No. 3 to the Original Schedule 13D filed with the SEC on July 19, 2023, as amended by Amendment No. 4 to the Original Schedule 13D filed with the SEC on April 10, 2024 (collectively, the "Schedule 13D"). This Amendment No. 5 amends the information disclosed in the Schedule 13D as set forth herein. Except as otherwise specified in this Amendment No. 5, all Items remain unchanged in all material respects. Capitalized terms used herein but not defined herein have the respective meanings ascribed to them in the Schedule 13D.
Item 4.	Purpose of Transaction
	Item 4 of the Schedule 13D is hereby amended and supplemented as follows: Pursuant to a Contribution Agreement (the "Contribution Agreement") entered into as of November 21, 2025, by and between REXG and Combo Resources, LLC, a Delaware limited liability company ("Combo"), REXG contributed 250,000 shares of Common Stock of the Issuer in exchange for Combo issuing 870,000 Class B Units of membership interest in Combo.
Item 5.	Interest in Securities of the Issuer
(a)	Item 5(a) is hereby amended and restated in its entirety by the following: The information below is based on 21,968,906 shares of Common Stock issued and outstanding as of October 31, 2025, which is the total number of Shares outstanding as reported in the Issuer's quarterly report on Form 10-Q filed with the SEC on November 5, 2025. REXG beneficially owns 1,715,219 shares of Common Stock of the Issuer, representing 7.81% of the outstanding Common Stock of the Issuer. Each of Yorktown IX, Yorktown IX Company LP and Yorktown IX Associates LLC beneficially owns an aggregate of 1,715,219 shares of Common Stock of the Issuer, representing 7.81% of the outstanding Common Stock of the Issuer. Yorktown X, Yorktown X Company LP, and Yorktown X Associates LLC beneficially own 2,106,079 shares of Common Stock of the Issuer, representing 9.59% of the outstanding Common Stock of the Issuer. Each Reporting Person disclaims beneficial ownership of the reported Common Stock except to the extent of such Reporting Person's pecuniary interest therein, and this statement shall not be deemed an admission that such Reporting Person is the beneficial owner of the reported Common Stock for the purposes of Section 13(d) of the Exchange Act or any other purpose. The managers of Yorktown IX Associates LLC, who act by majority approval, are Bryan H. Lawrence, W. Howard Keenan, Jr., Peter A. Leidel, Tomas R. LaCosta, Robert A. Signorino and Bryan R. Lawrence. The managers of Yorktown IX Associates LLC disclaim beneficial ownership of the securities owned by REXG. The managers of Yorktown X Associates LLC, who act by majority approval, are Bryan H. Lawrence, W. Howard Keenan, Jr., Peter A. Leidel, Tomas R. LaCosta, Robert A. Signorino and Bryan R. Lawrence. The managers of Yorktown X Associates LLC disclaim beneficial ownership of the securities owned by Yorktown X and REXG.
(b)	Item 5(b) is hereby amended and restated in its entirety by the following: REXG directly owns 1,715,219 shares of Common Stock of the Issuer. Yorktown X directly owns 390,860 shares of Common Stock of the Issuer. Yorktown IX and Yorktown X (collectively, "Yorktown") collectively own a majority interest in REXG. Pursuant to the terms of the REXG LLC Agreement Yorktown has the ability to elect a majority of the Board of Managers of REXG. Because Yorktown IX Associates LLC is the sole general partner of Yorktown IX Company LP, the sole general partner of Yorktown IX, it may be deemed to beneficially own shares of the Issuer based on its relationship with Yorktown IX. Yorktown IX, Yorktown IX Company LP and Yorktown IX Associates LLC disclaim beneficial ownership of the shares owned by REXG except to the extent of their pecuniary interest therein. Because Yorktown X Associates LLC is the sole general partner of Yorktown X Company LP, the sole general partner of Yorktown X, it may be deemed to beneficially own shares of the Issuer based on its relationship with Yorktown X. Yorktown X, Yorktown X Company LP and Yorktown Associates LLC disclaim beneficial ownership of the shares owned by REXG except to the extent of their pecuniary interest therein and Yorktown X Company LP and Yorktown X Associates LLC disclaim beneficial ownership of the shares owned by Yorktown X except to the extent of their pecuniary interest therein. The managers of Yorktown IX Associates LLC, who act by majority approval, are Bryan H. Lawrence, W. Howard Keenan, Jr., Peter A. Leidel, Tomas R. LaCosta, Robert A. Signorino and Bryan R. Lawrence. The managers of Yorktown IX Associates LLC disclaim beneficial ownership of the securities owned by REXG. The managers of Yorktown X Associates LLC, who act by majority approval, are Bryan H. Lawrence, W. Howard Keenan, Jr., Peter A. Leidel, Tomas R. LaCosta, Robert A. Signorino and Bryan R. Lawrence. The managers of Yorktown X Associates LLC disclaim beneficial ownership of the securities owned by Yorktown X and REXG.
(c)	Item 5(c) is hereby amended and restated in its entirety by the following: Other than as disclosed in Item 4 of this Amendment No. 6, none of the Reporting Persons has effected any transactions in the Common Stock during the past 60 days.
Item 7.	Material to be Filed as Exhibits.
	Item 7 of the Schedule 13D is hereby amended and supplemented as follows: Exhibit 99.1 Contribution Agreement, dated November 21, 2025 by and between, Riley Exploration Group, LLC and Combo Resources, LLC.* *Filed herewith.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Riley Exploration Group, LLC

Signature:	/s/ Harold Atkinson, Jr.
Name/Title:	President
Date:	02/17/2026

Yorktown Energy Partners IX, L.P.

Signature:	/s/ Bryan H. Lawrence
Name/Title:	Managing Member of the general partner of the general partner
Date:	02/17/2026

Yorktown IX Company LP

Signature:	/s/ Bryan H. Lawrence
Name/Title:	Managing Member of the general partner
Date:	02/17/2026

Yorktown IX Associates LLC

Signature:	/s/ Bryan H. Lawrence
Name/Title:	Managing Member of the general partner
Date:	02/17/2026

Yorktown Energy Partners X, L.P.

Signature:	/s/ Bryan H. Lawrence
Name/Title:	Managing Member of the general partner of the general partner
Date:	02/17/2026

Yorktown X Company LP

Signature:	/s/ Bryan H. Lawrence
Name/Title:	Managing Member of the general partner
Date:	02/17/2026

Yorktown X Associates LLC

Signature:	/s/ Bryan H. Lawrence
Name/Title:	Managing Member of the general partner
Date:	02/17/2026