SEC FORM 3 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*
McDonald Elizabeth Anne

(Last) (First) (Middle)
5205 N. O'CONNOR BLVD., SUITE 200

(Street)
IRVING TX 75039

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
04/01/2019
3. Issuer Name and Ticker or Trading Symbol
PIONEER NATURAL RESOURCES CO [ PXD ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
VP, Permian Strategic Developm
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 8,153 D
Common Stock 338 I 401(k)(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. Consists of shares beneficially owned by the reporting person as a result of units in the Pioneer Natural Resources USA, Inc. 401k Plan.
Remarks:
Power-of-Attorney
Thomas J. Murphy, Attorney-in-Fact For Elizabeth Anne McDonald 04/02/2019
** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
POWER OF ATTORNEY
For Executing Forms 3, 4 and 5

Know all by these presents, that the undersigned hereby constitutes and 
appoints each of Mark S. Berg, Richard P. Dealy,  
Mark H. Kleinman, Margaret M. Montemayor, and Thomas J. Murphy, 
signing singly, the undersigned's true and lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer and/or director of Pioneer Natural Resources Company
(the "Company"), Form ID and Forms 3, 4 and 5 (including amendments thereto) 
in accordance with Section 16(a) of the Securities 
Exchange Act of 1934, as amended (the "Exchange Act"), and the rules 
thereunder, and Form 144 (including amendments thereto), in accordance 
with Rule 144 of the Securities Act of 1933, as amended 
(the "Securities Act"), and the rules thereunder;

(2) do and perform any and all acts for and on behalf of the 
undersigned that may be necessary or desirable to complete and 
execute any such Form ID, Form 3, 4 or 5 or Form 144 (including 
amendments thereto) and timely file that Form with the Securities and 
Exchange Commission and any stock exchange, self-regulatory association 
or any other authority; and

(3) take any other action of any type whatsoever in connection with 
the foregoing that,
 in the opinion of each such attorney-in-fact, 
may be of benefit to, in the best interest of, or legally required 
of the undersigned, it being understood that the documents executed 
by the attorney-in-fact on behalf of the undersigned pursuant to 
this Power of Attorney shall be in such form and shall contain such 
terms and conditions as the attorney-in-fact may approve in the 
attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power 
and authority to do and perform all and every act and thing whatsoever 
requisite, necessary or proper to be done in the exercise of any of 
the rights and powers herein granted, as fully to all intents and 
purposes as the undersigned might or could do if personally present, 
with full power of substitution or revocation, hereby ratifying and 
confirming all that the attorney-in-fact, or the attorney-in-fact's 
substitute or substitutes, shall lawfully do or cause to be done by 
virtue of this Power of Attorney and the rights and powers herein 
granted. The undersigned acknowledges that the foregoing 
attorneys-in-fact, and their substitutes, in serving in such 
capacity at the request of the undersigned, are not assuming 
(nor is the Company assuming) any of the undersigned's 
responsibilities to comply with Section 16 of the Exchange Act or 
Rule 144 of the Securities Act.

The undersigned agrees that each such attorney-in-fact may rely 
entirely on information furnished orally or in writing by the 
undersigned to the attorney-in-fact. The undersigned also agrees 
to indemnify and hold harmless the Company and each such 
attorney-in-fact against any losses, claims, damages or liabilities 
(or actions in these respects) that arise out of or are based upon 
any untrue statements or omissions of necessary facts in the 
information provided by the undersigned to such attorney-in fact for 
purposes of executing, acknowledging, delivering or filing 
Form ID, Form 3, 4 or 5 or Form 144 (including amendments thereto) 
and agrees to reimburse the Company and the attorney-in-fact on demand 
for any legal or other expenses reasonably incurred in connection with 
investigating or defending against any such loss, claim, damage, 
liability or action.

This Power of Attorney shall remain in full force and effect until 
the undersigned is no longer required to file Forms 3, 4 and 5 
with respect to the undersigned's holdings of and transactions 
in securities issued by the Company, unless earlier revoked by the 
undersigned in a signed writing delivered to the foregoing 
attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of 
Attorney to be executed as of the date 
written below.

													
/s/ Elizabeth McDonald
Elizabeth McDonald
March 26, 2019d writing delivered to the foregoing 
attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of 
Attorney to be executed as of the date 
written below.

									



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