Power of Attorney
(Limited to Execution of Forms 3, 4 and 5)


I, C. Douglas Johnson, do hereby constitute and appoint Rajesh Sharma
and Patrick Whitman (with full power to each of them to act alone)
as my true and lawful agents and attorneys-in-fact with full power
and authority to execute and deliver on my behalf in accordance
with Securities and Exchange Commission rules and regulations all
reports of changes in my beneficial ownership of securities issued
by Altus Midstream Company on Forms 3, 4 and 5 as may be deemed
advisable.  I hereby ratify and confirm all that each such agent
and attorney-in-fact may do by virtue hereof with respect to report
s of my beneficial ownership of securities issued by Altus
Midstream Company.

This power of attorney shall remain in full force and effect until
 I am no longer required to file Forms 3, 4 and 5 with respect to
Midstream Company, unless earlier revoked by me in writing
 delivered to the attorneys-in-fact named above.

In witness whereof, I have duly executed this power of attorney
effective as of this 8th day of November 2018.



/s/ C. Douglas Johnson

State of Texas
County of Harris

On this 8th day of November 2018, before me personally came C. Douglas
Johnson, to me known, and acknowledged this instrument.
Witness my hand and official seal.


/s/ Tanika Law
[Seal for Tanika Law]
[Notary Public, State of Texas]
[My Commission Expires 09-18-2020]