Sec Form 4 Filing - Warburg Pincus & Co US, LLC @ RING ENERGY, INC. - 2023-09-11

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Warburg Pincus & Co US, LLC 2. Issuer Name and Ticker or Trading Symbol RING ENERGY, INC. [ REI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O WARBURG PINCUS LLC, 450 LEXINGTON AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 09/11/2023 (Street) NEW YORK, NY10017 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 09/11/2023 J( 1 ) 874,210 ( 1 ) D 46,120,643 I See Footnotes ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Warburg Pincus & Co US, LLC C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK, NY10017 X Warburg Pincus Partners II (US), L.P. 450 LEXINGTON AVENUE C/O WARBURG PINCUS LLC NEW YORK, NY10017 X Warburg Pincus (E&P) Energy LLC C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK, NY10017 X Warburg Pincus (E&P) Energy GP, L.P. C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK, NY10017 X Warburg Pincus Energy (E&P)-A, L.P. C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK, NY10017 X WP ENERGY STRONGHOLD HOLDINGS, L.P. C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK, NY10017 X WP ENERGY PARTNERS STRONGHOLD HOLDINGS, L.P. C/O WARBURG PINCUS 450 LEXINGTON AVENUE NEW YORK, NY10017 X Warburg Pincus Energy (E&P) Partners-B, L.P. C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK, NY10017 X Warburg Pincus Energy (E&P) Partners-A, L.P. C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK, NY10017 X WARBURG PINCUS ENERGY (E&P) PARTNERS-B STRONGHOLD, LLC C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK, NY10017 X Signatures Warburg Pincus & Company US, LLC, By: /s/ David Sreter, Authorized Signatory 09/13/2023 Signature of Reporting Person Date Warburg Pincus Partners II (US), L.P., By: Warburg Pincus & Company US, LLC, By: /s/ David Sreter, Authorized Signatory 09/13/2023 Signature of Reporting Person Date Warburg Pincus (E&P) Energy LLC, By: Warburg Pincus & Company US, LLC, By: /s/ David Sreter, Authorized Signatory 09/13/2023 Signature of Reporting Person Date Warburg Pincus (E&P) Energy GP, L.P., By: Warburg Pincus & Company US, LLC, By: /s/ David Sreter, Authorized Signatory 09/13/2023 Signature of Reporting Person Date Warburg Pincus Energy (E&P)-A, L.P., By: Warburg Pincus & Company US, LLC, By: /s/ David Sreter, Authorized Signatory 09/13/2023 Signature of Reporting Person Date WP Energy Stronghold Holdings, L.P., By: Warburg Pincus & Company US, LLC, By: /s/ David Sreter, Authorized Signatory 09/13/2023 Signature of Reporting Person Date WP Energy Partners Stronghold Holdings, L.P., By: Warburg Pincus & Company US, LLC, By: /s/ David Sreter, Authorized Signatory 09/13/2023 Signature of Reporting Person Date Warburg Pincus Energy (E&P) Partners-B, L.P., By: Warburg Pincus & Company US, LLC, By: /s/ David Sreter, Authorized Signatory 09/13/2023 Signature of Reporting Person Date Warburg Pincus Energy (E&P) Partners-A, L.P., By: Warburg Pincus & Company US, LLC, By: /s/ David Sreter, Authorized Signatory 09/13/2023 Signature of Reporting Person Date Warburg Pincus Energy (E&P) Partners-B Stronghold, LLC, By: Warburg Pincus & Company US, LLC, By: /s/ David Sreter, Authorized Signatory 09/13/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The reported securities were distributed for no consideration to certain members of the Stronghold Energy II Operating LLC ("Stronghold OpCo") management team. ( 2 )The reported securities are held directly by Stronghold OpCo. Stronghold Energy II Intermediate, LLC ("Stronghold Intermediate") is the managing member of Stronghold OpCo, and Stronghold Energy II Holdings, LLC ("Stronghold Holdings" and, collectively with Stronghold OpCo and Stronghold Intermediate, the "Stronghold Entities") is the managing member of Stronghold Intermediate. In connection with the closing of the Purchase Agreement, Stronghold OpCo received the right to designate two directors to serve on the Issuer's Board, subject to certain approval rights of the Issuer. One of the designated directors, Roy Ben-Dor, is a managing director of Warburg Pincus & Company US, LLC ("Warburg Pincus"). ( 3 )Warburg Pincus is the general partner of Warburg Pincus Partners II (US), L.P., which is the managing member of Warburg Pincus (E&P) Energy LLC and Warburg Pincus (E&P) XII LLC. Warburg Pincus (E&P) Energy LLC is the general partner of Warburg Pincus (E&P) Energy GP, L.P., which is the general partner of Warburg Pincus Energy (E&P)-A, L.P., WP Energy Stronghold Holdings, L.P., WP Energy Partners Stronghold Holdings, L.P., Warburg Pincus Energy (E&P) Partners-A, L.P., and Warburg Pincus Energy (E&P) Partners-B, L.P. Warburg Pincus Energy (E&P) Partners-B, L.P. is the managing member of Warburg Pincus Energy (E&P) Partners-B Stronghold, LLC. ( 4 )Warburg Pincus (E&P) XII LLC is the general partner of Warburg Pincus (E&P) XII, L.P., which is the general partner of Warburg Pincus XII (E&P) Partners-1, L.P., Warburg Pincus XII (E&P) Partners-2, L.P., WP XII Stronghold Holdings, L.P., WP XII (E&P) Partners (A), L.P., Warburg Pincus Private Equity (E&P) XII (A), L.P., Warburg Pincus Private Equity (E&P) XII-D (A), L.P., and Warburg Pincus Private Equity (E&P) XII-E (A), L.P. Warburg Pincus XII (E&P) Partners-2, L.P. is the managing member of Warburg Pincus XII (E&P) Partners-2 Stronghold, LLC (Warburg Pincus and the other entities listed in these footnotes 3 and 4, collectively, the "Warburg Entities"). ( 5 )The Warburg Entities collectively hold a majority of the membership interest in Stronghold Holdings. Each of the Stronghold Entities, Warburg Entities and Roy Ben-Dor, (collectively, the "Reporting Persons") directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of some or all of the shares owned by the Stronghold and, therefore, a "ten percent holder" hereunder. ( 6 )Each of the Reporting Persons other than Stronghold OpCo disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.

Remarks: This report is filed as form 2 of 3 to report related transactions for the following filers: Stronghold Energy II Operating, LLC, Stronghold Energy II Intermediate, LLC, Stronghold Energy II Holdings, LLC, Warburg Pincus Energy (E&P)-A, L.P., WP Energy Stronghold Holdings, L.P., WP Energy Partners Stronghold Holdings, L.P., Warburg Pincus Energy (E&P) Partners-B Stronghold, LLC, Warburg Pincus Energy (E&P) Partners-A, L.P., Warburg Pincus Private Equity (E&P) XII (A), L.P., Warburg Pincus Private Equity (E&P) XII-D (A), L.P., Warburg Pincus Private Equity (E&P) XII-E (A), L.P., WP XII (E&P) Partners (A), L.P., WP XII Stronghold Holdings, L.P., Warburg Pincus XII (E&P) Partners-1, L.P., Warburg Pincus XII (E&P) Partners-B, L.P., Warburg Pincus (E&P) XII, L.P., Warburg Pincus (E&P) XII LLC, Warburg Pincus XII (E&P) Partners-2, L.P., Warburg Pincus XII (E& amp;P) Partners-2 Stronghold, LLC, Warburg Pincus Energy (E&P) Partners-B, L.P., Warburg Pincus Partners II (US), L.P., Warburg Pincus & Company US, LLC, Warburg Pincus (E&P) Energy LLC, Warburg Pincus (E&P) Energy GP, L.P. and Roy Ben-Dor.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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