POWER OF ATTORNEY

Know all by these presents, that the
undersigned hereby constitutes and appoints
each of John D. Montanti, Phil Neisel, and
Courtney H. Landry, signing singly, the
undersigned's true and lawful attorney-in-fact
to:

1.Execute for and on behalf of the undersigned a
Form ID (including amendments thereto), or any other
forms prescribed by the Securities and Exchange
Commission (the "SEC"), that may be necessary to obtain
codes and passwords enabling the undersigned to make electronic
filings with the SEC or the forms referenced in clause 2
below;

2.Execute for and on behalf of the undersigned,
in the undersigned's capacity as an officer and/or
director of Western Midstream Holdings, LLC, in its
capacity as General Partner of Western Midstream
Partners, LP (collectively, the "Company"), Forms
3, 4 and 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules
thereunder; and

3.Do and perform any and all acts for and on behalf
of the undersigned which may be necessary or
desirable to complete and execute any such Form 3,
4 and 5 and timely file such form with the United
States Securities and Exchange Commission and any
stock exchange or similar authority.

The undersigned hereby grants such attorneys-in-fact
full power and authority to do and perform any 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 such attorneys-in-fact shall
lawfully do or cause to be done by vi1iue of this
power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such
capacity at the request of the undersigned, is not
assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with
Section 16(a) of the Exchange Act or Rule 144 of the
Securities Act.

This Power of Attorney shall remain in full force
and effect until the undersigned is no longer a
director or officer of the Company unless earlier
revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact; provided,
however, this Power of Attorney will expire immediately
upon the termination of employment of any attorney-in-fact
as to that attorney-in-fact only, but not as to any other
appointed attorney-in-fact hereunder.

IN WITNESS WHEREOF, the undersigned has caused this
Power of Attorney to be executed as
of this 17th day of October, 2019.

/s/ Catherine A. Green
Catherine A. Green