Company Announcements

AND PARTICIPATION IN UPCOMING INVESTOR CONFERENCES

HOUSTON , May 12, 2025 /PRNewswire/ --Today Western Midstream Partners, LP (NYSE: WES) ("WES" or the "Partnership") announced that tomorrow before the market open it will make available on its website at www.westernmidstream.com a post-earnings interview with Kristen Shults, Senior Vice President and Chief Financial Officer that provides additional insights related to WES's first-quarter 2025 results.

In addition, WES intends to participate in the following investor conferences during the second and third quarters of 2025:

• TPH&Co. Hotter 'N Hell 2025 in Houston, TexasMay 14 - 15, 2025
• The 22^nd Annual Energy Infrastructure CEO & Investor Conference in Aventura, Florida on May 21 – 22, 2025
• Citi's 2025 Natural Resources Conference in Las Vegas, Nevada on August 12 – 13, 2025

ABOUT WESTERN MIDSTREAM

Western Midstream Partners, LP ("WES") is a master limited partnership formed to develop, acquire, own, and operate midstream assets. With midstream assets located in Texas, New Mexico, Colorado, Utah, and Wyoming, WES is engaged in the business of gathering, compressing, treating, processing, and transporting natural gas; gathering, stabilizing, and transporting condensate, natural-gas liquids, and crude oil; and gathering and disposing of produced water for its customers. In its capacity as a natural-gas processor, WES also buys and sells natural gas, natural-gas liquids, and condensate on behalf of itself and its customers under certain gas processing contracts. A substantial majority of WES's cash flows are protected from direct exposure to commodity price volatility through fee-based contracts.

For more information about WES and Western Midstream Flash Feed updates, please visit www.westernmidstream.com.

WESTERN MIDSTREAM CONTACTS

Daniel Jenkins
Director, Investor Relations                    
Investors@westernmidstream.com
866-512-3523

Rhianna Disch
Manager, Investor Relations
Investors@westernmidstream.com
866-512-3523

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SOURCE Western Midstream Partners, LP