Sec Form 4/A Filing - LARSON RODERICK A. @ NEWPARK RESOURCES INC - 2023-05-18

FORM 4/A 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 LARSON RODERICK A. 2. Issuer Name and Ticker or Trading Symbol NEWPARK RESOURCES INC [ NR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 9320 LAKESIDE BOULEVARD, SUITE 100 3. Date of Earliest Transaction (MM/DD/YY) 05/18/2023 (Street) THE WOODLANDS, TX77381 4. If Amendment, Date Original Filed (MM/DD/YY) 05/22/2023 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 05/18/2023 A 32,134 ( 1 ) A $ 0 32,134 D Common Stock 185,409 ( 2 ) I LFV, LP

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 LARSON RODERICK A. 9320 LAKESIDE BOULEVARD SUITE 100 THE WOODLANDS, TX77381 X Signatures By: M. Celeste Fruge For: Roderick Larson 05/26/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The shares will vest on the earlier of the first anniversary of the date of grant or the day prior to the next annual stockholders meeting. ( 2 )Reflects a change in the form of beneficial ownership from direct to indirect. The reporting person disclaims beneficial ownership of these shares held indirectly through this entity except to the extent of the pecuniary interest held therein.

Remarks: This Form 4 amendment is intended to correct an administrative error in column 5 of the Form 4 filed on May 22, 2023 which resulted in the number of shares reported as acquired and beneficially owned by the reporting person being overstated in the original filing. In addition, this Form 4 corrects an inadvertent clerical error in the nature of beneficial ownership of certain shares that are held indirectly by the reporting person.

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).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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