Western Midstream Partners, LP — Director's Dealing 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Western Gas Partners LP (WES)
CIK: 0001414475
Period of Report: 2017-02-28

Reporting Person: ANADARKO PETROLEUM CORP (10% Owner)
Reporting Person: WESTERN GAS RESOURCES INC (10% Owner)
Reporting Person: Western Gas Equity Partners, LP (10% Owner)
Reporting Person: Western Gas Equity Holdings, LLC (10% Owner)
Reporting Person: Kerr-McGee Worldwide Corp (10% Owner)
Reporting Person: APC Midstream Holdings, LLC (10% Owner)

Holdings (Non-Derivative)

Footnotes

F1: As of February 28, 2017, (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 12,537,100 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) 78% 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.

F2: On February 28, 2017, Anadarko Marcellus Midstream, L.L.C. distributed its 449,129 WES common units to its parent, Kerr-McGee Worldwide Corporation ("KWC"). As of February 28, 2017, (i) KWC owns 449,129 WES common units, (ii) Kerr-McGee Corporation ("KMG") and Anadarko Holding Company ("AHC") together own in aggregate 100% of KWC, and (iii) Anadarko owns 100% of KMG and ACH. Accordingly, AHC, KMG and Anadarko may be deemed to be indirect beneficial owners of any securities held by KWC.