Third-Quarter 2020 Review November 10, 2020 WARRATION Forward-Looking Statements and Ownership Structure This presentation contains forward-looking statements. Western Midstream Partners, LP ("WES") believes that its expectations are based on reasonable assumptions. No assurance, however, can be given that such expectations will prove correct. A number of factors could cause actual results to differ materially from the projections, anticipated results, or other expectations expressed in this presentation. T ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to WESTERN MIDSTREAM PARTNERS, LP WESTERN MIDSTREAM OPERATING, LP (Exact name of registrant as specified in its charter) | | | State or other jurisdiction ...

Western Midstream Partners, LP (NYSE:WES) Q2 2020 Earnings Conference Call August 11, 2020 2:00 PM ET Company Participants Kristen Shults - Investor Relations Michael Ure - Chief Executive Officer Craig Collins - Chief Operating Officer Mike Pearl - Chief Financial Officer Conference Call Participants Spiro Dounis - Credit Suisse Kyle May - Capital One Securities Colton Bean - Tudor, Pickering, Holt & Company Derek Walker - Bank of America Sunil Sibal - Seaport Global Securities Gabe Moreen - Mizuho Shneur ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to WESTERN MIDSTREAM PARTNERS, LP WESTERN MIDSTREAM OPERATING, LP (Exact name of registrant as specified in its charter) | | | State or other jurisdiction of | ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to WESTERN MIDSTREAM PARTNERS, LP WESTERN MIDSTREAM OPERATING, LP (Exact name of registrant as specified in its charter) | | | State or other jurisdiction of ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to WESTERN MIDSTREAM PARTNERS, LP WESTERN MIDSTREAM OPERATING, LP (Exact name of registrant as specified in its charter) | | State or other jurisdiction of | | | | ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to WESTERN MIDSTREAM PARTNERS, LP WESTERN MIDSTREAM OPERATING, LP (Exact name of registrant as specified in its charter) | | State or other jurisdiction o ...

FORM 10-Q (Mark One) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to WESTERN MIDSTREAM PARTNERS, LP WESTERN MIDSTREAM OPERATING, LP (Exact name of registrant as specified in its charter) | | State or other jurisdiction of | | ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) WESTERN MIDSTREAM PARTNERS, LP WESTERN MIDSTREAM OPERATING, LP (Exact name of registrant as specified in its charter) | | | State or other jurisdiction of | | | | --- | --- | --- | --- | --- | | | Commission file number: | incorporation or organization: | | I.R.S. Employer Identification No.: | | Western Midstream Partners, LP | 001-35753 | Delaware | | 46-0967367 | | Western Midstream Operating, LP | 001-34046 | De ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 (Address of principal executive offices) (Zip Code) (832) 636-6000 ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-35753 WESTERN GAS EQUITY PARTNERS, LP (Exact name of registrant as s ...