WESTERN MIDSTREAM ANNOUNCES PRICING OF NOTES OFFERING

HOUSTON, Dec. 1, 2025 /PRNewswire/ -- Western Midstream Partners, LP (NYSE: WES) ("WES" or "Western Midstream") announced today that its subsidiary, Western Midstream Operating, LP ("WES Operating"), has priced an offering of $600 million in aggregate principal amount of 4.800% senior notes due 2031 at a price to the public of 99.993% of their face value (the "2031 Senior Notes") and $600 million in aggregate principal amount of 5.500% senior notes due 2035 at a price to the public of 99.405% of their face value (the "2035 Senior Notes" and, together with the 2031 Senior Notes, the "Senior Notes"). The offering of the Senior Notes is expected to close on December 4, 2025, subject to the satisfaction of customary closing conditions. Net proceeds from the offering are expected to be used to refinance WES Operating's maturing 4.650% Senior Notes due 2026, repay amounts outstanding under WES Operating's commercial paper program (including borrowings incurred by WES to fund the cash consideration of the acquisition of Aris Water Solutions, Inc.), and for general partnership purposes, including the funding of capital expenditures.