SEC Form 3

FORM 3

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

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1. Name and Address of Reporting Person* EXXON MOBIL CORP (Last) (First) (Middle) 22777 SPRINGWOODS VILLAGE PARKWAY (Street) SPRING TX 77389 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 05/03/2024	3. Issuer Name and Ticker or Trading Symbol ProPetro Holding Corp. [ PUMP ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	16,600,000	I	See Explanation of Responses(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares are owned directly by Pioneer Natural Resources Pumping Services LLC ("Pioneer Pumping Services"). On May 3, 2024, Exxon Mobil Corporation ("ExxonMobil") completed the acquisition of Pioneer Natural Resources Company ("Pioneer") pursuant to the Agreement and Plan of Merger, dated October 10, 2023, by and among ExxonMobil, Pioneer and SPQR, LLC. Upon the completion of the Pioneer acquisition, Pioneer Pumping Services, an indirect wholly owned subsidiary of Pioneer, became an indirect wholly owned subsidiary of ExxonMobil. ExxonMobil is an indirect beneficial owner of the reported securities.

	/s/ Liam M. Mallon, Vice President	05/03/2024
	** Signature of Reporting Person	Date
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 5 (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).
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