# EDGAR Filing Document

**Accession Number:** 0001535718
**File Stem:** 0001140361-26-006174
**Filing Date:** 2026-2
**Character Count:** 40750
**Document Hash:** 49073233bc2fa8808a91d13e1cf664b4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-006174.hdr.sgml**: 20260219

**ACCESSION NUMBER**: 0001140361-26-006174

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260219

**DATE AS OF CHANGE**: 20260219

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Riley Exploration Permian, Inc.
- **CENTRAL INDEX KEY:** 0001001614
- **STANDARD INDUSTRIAL CLASSIFICATION:** CRUDE PETROLEUM & NATURAL GAS [1311]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 870267438
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-59803
- **FILM NUMBER:** 26654194

**BUSINESS ADDRESS:**
- **STREET 1:** 29 E. RENO AVENUE
- **STREET 2:** SUITE 500
- **CITY:** OKLAHOMA CITY
- **STATE:** OK
- **ZIP:** 73104
- **BUSINESS PHONE:** 405-415-8699

**MAIL ADDRESS:**
- **STREET 1:** 29 E. RENO AVENUE
- **STREET 2:** SUITE 500
- **CITY:** OKLAHOMA CITY
- **STATE:** OK
- **ZIP:** 73104

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** TENGASCO INC
- **DATE OF NAME CHANGE:** 19960612
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Riley Exploration Group, LLC
- **CENTRAL INDEX KEY:** 0001535718
- **STANDARD INDUSTRIAL CLASSIFICATION:** CRUDE PETROLEUM & NATURAL GAS [1311]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 900522580
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**BUSINESS ADDRESS:**
- **STREET 1:** 2008 NORTH COUNCIL AVE
- **CITY:** BLANCHARD
- **STATE:** OK
- **ZIP:** 73010
- **BUSINESS PHONE:** 405-485-8200

**MAIL ADDRESS:**
- **STREET 1:** 2008 NORTH COUNCIL AVE
- **CITY:** BLANCHARD
- **STATE:** OK
- **ZIP:** 73010

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Riley Exploration Group, Inc.
- **DATE OF NAME CHANGE:** 20160203

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Cinco Resources, Inc.
- **DATE OF NAME CHANGE:** 20111128

## Exhibit 99.1

------

#### Exhibit 99.1
**CONTRIBUTION AGREEMENT**

This Contribution Agreement (this "***Agreement***") is made and entered into as of November 21, 2025, by and between Riley Exploration Group, LLC, a Delaware limited liability company (the "***Contributor***"), and Combo Resources, LLC, a Delaware limited liability company (the "***Company***"). Each of the Contributor and the Company are sometimes referred to collectively herein as the "***Parties***" and individually as a "***Party***."

#### RECITALS :
WHEREAS, the Contributor holds 250,000 shares of common stock, par value $0.001 per share (the "***Contributed Shares***"), of Riley Exploration Permian, Inc., a Delaware corporation ("***REPX***"), and wishes to contribute such Contributed Shares to the Company in exchange for the Company issuing 870,000 Class B Units of membership interest in the Company (the "***Company Units***" and such transaction, the "***Contribution***"), which Company Units have the rights and obligations as set forth in that certain Second Amended and Restated Limited Liability Company Agreement of the Company dated as of December 31, 2020, as amended by that certain Amendment No. 1 dated April 23, 2021 and that certain Amendment No. 2 dated December 10, 2021, as further amended (the "***Company LLC Agreement***"); and

WHEREAS, it is the desire of the Parties to set forth the specific terms and conditions of the Contribution.

NOW, THEREFORE, in consideration of the mutual covenants and agreements contained herein and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Parties hereby agree as follows:

#### AGREEMENT :
Section 1. **Contribution and Exchange**. Contemporaneously with the execution hereof and in accordance with the terms and provisions of this Agreement, the Contributor hereby contributes, assigns, transfers and conveys to the Company all of such Contributor's Contributed Shares, and in exchange therefore, the Company hereby issues to the Contributor such Contributor's Company Units.

Section 2. **Representations and Warranties of the Contributor**. The Contributor represents as follows:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

(a) **<u>Organization of the Contributor</u>.** The Contributor is a limited liability company duly organized, validly existing and in good standing under the laws of the State of Delaware.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

(b) **<u>Authority</u>**. The Contributor has all requisite power and authority to execute and deliver this Agreement, to carry out its obligations hereunder, and to consummate the transactions contemplated hereby. The Contributor has obtained all necessary limited liability company approvals for the execution and delivery of this Agreement, the performance of its obligations hereunder, and the consummation of the transactions contemplated hereby. This Agreement has been duly executed and delivered by the Contributor and (assuming due authorization, execution and delivery by the Company) shall constitute such Contributor's legal, valid and binding obligation, enforceable against it in accordance with its terms.

------

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

(c) **<u>Ownership of Contributed Shares</u>.** The Contributor is the sole record and beneficial owner of, and has good and valid title to, the Contributed Shares, free and clear of all liens. The Contributed Shares have been duly authorized and validly issued and are fully paid and nonassessable.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

(d) **<u>Legal Proceedings</u>.** There are no suits, actions, claims, proceedings, or investigations pending or, to the knowledge of the Contributor, threatened against, relating to, or involving the Contributor that could reasonably be expected to adversely affect the Contributor's ability to consummate the transactions contemplated by this Agreement.

Section 3. **Representations and Warranties of the Company**.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

(a) **<u>Organization of the Company</u>.** The Company is a limited liability company duly organized, validly existing and in good standing under the laws of the State of Delaware.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

(b) **<u>Authority</u>.** The Company has all requisite power and authority to execute and deliver this Agreement, to carry out its obligations hereunder, and to consummate the transactions contemplated hereby. The Company has obtained all necessary limited liability company approvals for the execution and delivery of this Agreement, the performance of its obligations hereunder, and the consummation of the transactions contemplated hereby. This Agreement has been duly executed and delivered by the Company and (assuming due authorization, execution and delivery by the Contributor) shall constitute the Company's legal, valid and binding obligation, enforceable against it in accordance with its terms.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

(c) **<u>Capitalization following the Contribution</u>.** Following the Contribution, the Contributor shall have good and valid title to and beneficial ownership of the Company Units, and such Company Units are (i) validly issued, fully paid, and nonassessable, to the extent such concept is applicable to such Company Units, and (ii) free and clear of all liens.

Section 4. **Governing Law**. This Agreement shall be governed by the laws of the State of Delaware, without regard to principles of conflicts of law requiring the application of the law of another state.

Section 5. **Entire Agreement**. This Agreement, together with the Company LLC Agreement, as it may be amended from time to time, sets forth the entire understanding of the Parties and supersedes all prior oral or written agreements between the Parties relative to the subject matter hereof and thereof, and merges all prior and contemporaneous discussions between them. No Party shall be bound by any condition, representation, warranty, covenant or provision other than as expressly stated in this Agreement.

------

Section 6. **Further Assurances**. Each Party hereby covenants and agrees with the other Parties and their respective successors and assigns, that from time to time after the delivery of this Agreement, at any Party's request and without further consideration, such Party will execute and deliver to such requesting Party such other and further instruments of transfer, assignment and conveyance and all such notices, releases, acquaintances, and other documents and will do and cause to be done such further commercially reasonable acts as may be necessary to transfer, assign, and convey to and vest in such requesting Party all and singular outstanding interests in the Contributed Shares or Company Units, as applicable.

Section 7. **Counterparts**. This Agreement may be executed in one or more counterparts, including electronic, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. In the event that any signature is delivered by facsimile transmission or by e-mail delivery of a ".pdf' format data file, such signature shall create a valid and binding obligation of the Party executing (or on whose behalf such signature is executed) with the same force and effect as if such facsimile or ".pdf' signature page were an original thereof.

*[Signature Page Follows]*

------

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

---

| | |
|:---|:---|
| **CONTRIBUTOR:** | **CONTRIBUTOR:** |
| RILEY EXPLORATION GROUP, LLC | RILEY EXPLORATION GROUP, LLC |
| By: | /s/ Brady Atkinson |

---

Name: <u> Brady Atkinson </u> <br> Title: <u> Vice President </u>

---

| | |
|:---|:---|
| **THE COMPANY:** | **THE COMPANY:** |
| COMBO RESOURCES, LLC | COMBO RESOURCES, LLC |
| By: | /s/ Harold Atkinson |

---

Name: <u> Harold Atkinson </u> <br> Title: <u> President </u>

------

### UNITED STATES 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**<br>Riley Exploration Group, LLC<br>29 East Reno, Suite 500<br>Oklahoma City OK 73104<br>(212) 515-2112

*(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)*

| **CUSIP No.** | **76665T102** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Riley Exploration Group, LLC** | Name of reporting person<br>**Riley Exploration Group, LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1715219.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**1715219.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1715219.00** | Aggregate amount beneficially owned by each reporting person<br>**1715219.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**7.81%** | Percent of class represented by amount in Row (11)<br>**7.81%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

**Comment for 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.

| **CUSIP No.** | **76665T102** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Yorktown Energy Partners IX, L.P.** | Name of reporting person<br>**Yorktown Energy Partners IX, L.P.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1715219.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**1715219.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1715219.00** | Aggregate amount beneficially owned by each reporting person<br>**1715219.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**7.81%** | Percent of class represented by amount in Row (11)<br>**7.81%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

**Comment for 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.

| **CUSIP No.** | **76665T102** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Yorktown IX Company LP** | Name of reporting person<br>**Yorktown IX Company LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1715219.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**1715219.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1715219.00** | Aggregate amount beneficially owned by each reporting person<br>**1715219.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**7.81%** | Percent of class represented by amount in Row (11)<br>**7.81%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

**Comment for 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.

| **CUSIP No.** | **76665T102** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Yorktown IX Associates LLC** | Name of reporting person<br>**Yorktown IX Associates LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1715219.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**1715219.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1715219.00** | Aggregate amount beneficially owned by each reporting person<br>**1715219.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**7.81%** | Percent of class represented by amount in Row (11)<br>**7.81%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

**Comment for 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.

| **CUSIP No.** | **76665T102** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Yorktown Energy Partners X, L.P.** | Name of reporting person<br>**Yorktown Energy Partners X, L.P.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**390860.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1715219.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**390860.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**1715219.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**2106079.00** | Aggregate amount beneficially owned by each reporting person<br>**2106079.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**9.59%** | Percent of class represented by amount in Row (11)<br>**9.59%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

**Comment for 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.

| **CUSIP No.** | **76665T102** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Yorktown X Company LP** | Name of reporting person<br>**Yorktown X Company LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**390860.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1715219.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**390860.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**2106079.00** | Aggregate amount beneficially owned by each reporting person<br>**2106079.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**9.59%** | Percent of class represented by amount in Row (11)<br>**9.59%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

**Comment for 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.

| **CUSIP No.** | **76665T102** |

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| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Yorktown X Associates LLC** | Name of reporting person<br>**Yorktown X Associates LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**390860.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1715219.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**390860.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**2106079.00** | Aggregate amount beneficially owned by each reporting person<br>**2106079.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**9.59%** | Percent of class represented by amount in Row (11)<br>**9.59%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

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**Comment for 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.

**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, OK, 73104

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.

### 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.

**Reporting Person:** Riley Exploration Group, LLC

**Signature:** /s/ Harold Atkinson, Jr.

**Name/Title:** President

**Date:** 02/17/2026

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.

**Reporting Person:** 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

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.

**Reporting Person:** Yorktown IX Company LP

**Signature:** /s/ Bryan H. Lawrence

**Name/Title:** Managing Member of the general partner

**Date:** 02/17/2026

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.

**Reporting Person:** Yorktown IX Associates LLC

**Signature:** /s/ Bryan H. Lawrence

**Name/Title:** Managing Member of the general partner

**Date:** 02/17/2026

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.

**Reporting Person:** 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

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.

**Reporting Person:** Yorktown X Company LP

**Signature:** /s/ Bryan H. Lawrence

**Name/Title:** Managing Member of the general partner

**Date:** 02/17/2026

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.

**Reporting Person:** Yorktown X Associates LLC

**Signature:** /s/ Bryan H. Lawrence

**Name/Title:** Managing Member of the general partner

**Date:** 02/17/2026