Sec Form 4 Filing - Olayan Saudi Holding Co @ National Energy Services Reunited Corp. - 2018-06-06

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 Olayan Saudi Holding Co 2. Issuer Name and Ticker or Trading Symbol National Energy Services Reunited Corp. [ NESR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) P.O. BOX 8772, OLAYAN CENTER,, AHSAA STREET 3. Date of Earliest Transaction (MM/DD/YY) 06/06/2018 (Street) RIYADH, T011492 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 Ordinary Shares, no par value 06/06/2018 C 13,340,448 A 16,340,448 I See Footnote ( 2 ) Ordinary Shares, no par value 06/06/2018 A 53,362 ( 3 ) A $ 11.244 16,393,810 I See Footnote ( 2 )

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 NPS Shares ( 1 ) 06/06/2018 C 83,660,878 06/06/2018 ( 1 ) Ordinary Shares 13,340,448 ( 1 ) 0 I See Footnote ( 2 ) Option (right to buy) $ 11.244 06/06/2018 A 4,446,816 ( 3 ) 12/17/2018 Ordinary Shares 4,446,816 ( 3 ) 4,446,816 I See Footnote ( 2 ) Option (right to buy) $ 11.244 06/06/2018 A 213,447 ( 4 ) ( 4 ) Ordinary Shares 213,447 ( 4 ) 213,447 I See Footnote ( 2 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Olayan Saudi Holding Co P.O. BOX 8772, OLAYAN CENTER, AHSAA STREET RIYADH, T011492 X X Olayan Financing Co Ltd. P.O. BOX 8772, OLAYAN CENTER, AHSAA STREET RIYADH, T011492 X X Signatures /s/ Ibrahim M Dokhi, Deputy General Counsel, Olayan Saudi Holding Company 06/08/2018 Signature of Reporting Person Date /s/ Fadi Otaqui, General Counsel, Olayan Financing Company 06/08/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Pursuant to the Stock Purchase Agreement entered into between Hana Investments Co. WLL ("Hana"), a majority-owned subsidiary of the Olayan Financing Company ("OFC"), the Issuer, and NPS Holdings Limited ("NPS") among others, dated November 12, 2017, Hana agreed to exchange NPS shares for 13,340,448 of the Issuer's Ordinary Shares upon the closing of the business transaction between the Issuer and NPS (the "Transaction"), subject to Hana effectuating such exchange at the closing. The NPS shares became convertible into Issuer shares upon the Issuer's shareholders' approval of the Transaction, which occurred on May 18, 2018. Hana is a nominee of the Olayan Saudi Holding Company ("OSHCO") with respect to the exchange. On June 5, 2018, the Issuer and OSHCO, through its nominee Hana, entered into a Share Purchase Exchange Agreement to effectuate the exchange on June 6, 2018, pursuant to which OSHCO acquired 13,340,448 of the Issuer's Ordinary Shares, valued at US$11.244 per share. ( 2 )The shares and derivatives are owned by OSHCO, which is a majority-owned subsidiary of OFC. OSHCO has the right to appoint two directors of the Issuer. Each reporting person disclaims beneficial ownership of all interests reported on this Form 4 except to the extent of such reporting person's pecuniary interests. ( 3 )Pursuant to a Loan Agreement entered into between Hana, as nominee of OSHCO ("Lender"), and the Issuer, dated June 5, 2018, Lender loaned the Issuer $50 million on June 6, 2018, and Lender has the right to elect to receive repayment of the loan in Issuer Ordinary Shares at a price per share of $11.244. The loan is due December 17, 2018 and may be repaid at any time prior thereto by the Issuer. Lender may also elect to receive repayment of the interest on the loan in Ordinary Shares of the Issuer, but such interest amount is not yet determinable. Lender received a fee of $600,000 for making the loan, which is to be paid in Ordinary Shares of Issuer at a price per share of $11.244. ( 4 )Pursuant to a Relationship Agreement entered into between Hana, as nominee of OSHCO ("Stockholder"), and the Issuer, dated June 5, 2018, the Issuer will reimburse expenses certain expenses in an amount equal to $2,400,000, and Stockholder has the right to elect to receive such reimbursement in Issuer Ordinary Shares at a price per share of $11.244. Such amount became due and payable on June 6, 0218, subject to the election of the Stockholder as to the form of payment.

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