Ownership Submission
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 OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
ANADARKO PETROLEUM CORP
  2. Issuer Name and Ticker or Trading Symbol
Western Gas 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)
(Last)
(First)
(Middle)
1201 LAKE ROBBINS DRIVE
3. Date of Earliest Transaction (Month/Day/Year)
02/13/2019
(Street)

THE WOODLANDS, TX 77380
4. If Amendment, Date 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
(City)
(State)
(Zip)
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 interests               52,143,426 (3) (4) I See footnotes (1) (2) (3)

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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 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
Class C units representing limited partner interests $ 0 02/13/2019   J   308,723     (1)(2)   (1)(2) Common units representing limited partner interests 308,723 $ 45.62 14,681,388 I See footnotes (1) (2) (3)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
ANADARKO PETROLEUM CORP
1201 LAKE ROBBINS DRIVE
THE WOODLANDS, TX 77380
    X    
WESTERN GAS RESOURCES INC
1201 LAKE ROBBINS DR.
THE WOODLANDS, TX 77380
    X    
Western Gas Equity Partners, LP
1201 LAKE ROBBINS DR.
THE WOODLANDS, TX 77380
    X    
Western Gas Equity Holdings, LLC
1201 LAKE ROBBINS DR.
THE WOODLANDS, TX 77380
    X    
Kerr-McGee Worldwide Corp
1201 LAKEROBBINSDR.
THE WOODLANDS, TX 77380
    X    
APC Midstream Holdings, LLC
1201 LAKE ROBBINS DR.
THE WOODLANDS, TX 77380
    X    

Signatures

 /s/ Philip H. Peacock, Authorized Signatory of Anadarko Petroleum Corporation   02/14/2019
**Signature of Reporting Person Date

 /s/ Philip H. Peacock, Authorized Signatory of Western Gas Resources, Inc.   02/14/2019
**Signature of Reporting Person Date

 /s/ Philip H. Peacock, Senior Vice President, General Counsel and Corporate Secretary of the general Partner of Western Gas Equity Partners, LP   02/14/2019
**Signature of Reporting Person Date

 /s/ Philip H. Peacock, Senior Vice President, General Counsel and Corporate Secretary Holdings, LLC   02/14/2019
**Signature of Reporting Person Date

 /s/ Philip H. Peacock, Authorized Signatory for Kerr-McGee Worldwide Corporation   02/14/2019
**Signature of Reporting Person Date

 /s/ Philip H. Peacock, Authorized Signatory for APC Midstream Holdings, LLC   02/14/2019
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) On November 25, 2014, Western Gas Partners, LP ("WES") issued 10,913,853 Class C units to APC Midstream Holdings, LLC ("AMH") at a price of $68.72 per unit. The Class C units receive distributions in the form of additional Class C units until March 2020 (unless earlier converted), and will be disregarded with respect to calculating the WES's cash distributions until they are converted to common units. The above transaction represents the quarterly distribution of Class C Units to AMH for the quarter ended December 31, 2018. Except as provided in that certain Contribution Agreement and Agreement and Plan of Merger, dated as of November 7, 2018, by and among Anadarko Petroleum Corporation, Anadarko E&P Onshore LLC, Western Gas Equity Partners, LP, Western Gas Equity Holdings, LLC,
(2) (Continued from Footnote 1) WES, Western Gas Holdings, LLC, Clarity Merger Sub, LLC, WGR Asset Holding Company LLC, WGR Operating, LP, Kerr-McGee Gathering LLC, Kerr-McGee Worldwide Corporation, APC Midstream Holdings, LLC, and Delaware Basin Midstream, LLC, the Class C units will convert into common units on a one-for-one basis on March 1, 2020, unless WES elects to convert such units earlier or AMH extends the conversion date.
(3) As of February 13, 2019, (i) WGP owns 50,132,046 WES common units and 100% of the membership interests in WES's general partner, Western Gas Holdings, LLC, and AMH owns 1,562,251 WES common units and 14,681,388 Class C units, (ii) Western Gas Resources, Inc. ("WGR") owns (A) all of the membership interests of Western Gas Equity Holdings, LLC ("WGP GP"), the general partner of WGP, (B) 77.8% of the issued and outstanding limited partner interests in WGP, and (Z) 100% of the membership interests in AMH, (iii) WGP GP owns a 0% noneconomic general partner interest in WGP, and (iv) Anadarko Petroleum Corporation ("Anadarko") owns all of the issued and outstanding shares of common stock of WGR. Accordingly, WGP GP, WGR and Anadarko may be deemed to be indirect beneficial owners of any securities held by WGP, and WGR and Anadarko may be deemed to be indirect beneficial owners of any securities held by AMH
(4) As of February 13, 2019, (i) Kerr-McGee Worldwide Corporation ("KWC") owns 449,129 WES common units, (ii) Kerr-McGee Corporation ("KMG") owns 100% of KWC, and (iii) Anadarko owns 100% of KMG. Accordingly, KMG and Anadarko may be deemed to be indirect beneficial owners of any securities held by KWC.

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