SEC Form 4
FORM 4 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
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
ANADARKO PETROLEUM CORP

(Last) (First) (Middle)
1201 LAKE ROBBINS DRIVE

(Street)
THE WOODLANDS TX 77380

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Western Midstream Partners, LP [ WES ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
02/28/2019
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 Units representing limited partner interets 02/28/2019 A 80,817,456 A (1)(2)(3) 251,197,501 I See foonotes(1)(2)(3)
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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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 (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (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: 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
1. Name and Address of Reporting Person*
ANADARKO PETROLEUM CORP

(Last) (First) (Middle)
1201 LAKE ROBBINS DRIVE

(Street)
THE WOODLANDS TX 77380

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
WESTERN GAS RESOURCES INC

(Last) (First) (Middle)
1201 LAKE ROBBINS DR.

(Street)
THE WOODLANDS TX 77380

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
APC Midstream Holdings, LLC

(Last) (First) (Middle)
1201 LAKE ROBBINS DR.

(Street)
THE WOODLANDS TX 77380

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Anadarko E&P Onshore LLC

(Last) (First) (Middle)
1201 LAKE ROBBINS DR.

(Street)
THE WOODLANDS TX 77380

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Kerr-McGee Worldwide Corp

(Last) (First) (Middle)
1201 LAKEROBBINSDR.

(Street)
THE WOODLANDS TX 77380

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. On February 27, 2019, (i) Anadarko Petroleum Corporation ("Anadarko") directly or indirectly owned 170,380,045 common units, representing a 77.8% limited partner interest in Western Gas Equity Partners, LP ("WGP"), and 100% of the equity interests of Western Gas Equity Holdings, LLC ("WGP GP"), which holds a 0% noneconomic general partner interest in WGP.
2. On February 28, 2019 (the "Effective Time"), WGP and the other parties thereto consummated the transactions contemplated by the Contribution Agreement and Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 7, 2018, by and among Western Gas Partners, LP ("WES"), Western Gas Holdings, LLC ("WES GP"), WGP, WGP GP, Anadarko, Anadarko E&P Onshore LLC, Clarity Merger Sub, LLC and certain other affiliates of Anadarko and WES.
3. Upon the Effective Time and as contemplated by the Merger Agreement, certain affiliates of Anadarko, specifically, Anadarko E&P Onshore LLC, ("AE&P") APC Midstream Holdings, LLC ("AMH"), WGR Asset Holding Company LLC (a wholly owned subsidiary of AMH, "WGRAH") and Kerr-McGee Worldwide Corporation ("KMW"), received an aggregate of 80,817,456 WGP common units as follows: 17,221,725 WGP common units to AE&P, 24,771,550 WGP common units to AMH, 39,139,260 WGP common units to WGRAH and 684,922 WGP common units to KMW. Also following the Effective Time, (i) Western Gas Equity Partners, LP changed its name to Western Midstream Partners, LP and (ii) WGP common units, which previously traded on the NYSE under the symbol "WGP" through February 27, 2019, began trading under the symbol "WES" on the NYSE beginning on February 28, 2019.
Remarks:
/s/ Anadarko Petroleum Corporation, by Philip H. Peacock as attorney-in-fact 03/04/2019
/s/ Western Gas Resources, Inc., by Philip H. Peacock as attorney-infact 03/04/2019
/s/ APC Midstream Holdings, LLC, by Philip H. Peacock as attorney-infact 03/04/2019
/s/ Anadarko E&P Onshore LLC, by Philip H. Peacock as attorney-infact 03/04/2019
/s/ Kerr-McGee Worldwide Corp, by Philip H. Peacock as attorney-infact 03/04/2019
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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