---
schema_version: "secwatch.filing_event.v1"
accession: "0001414475-25-000025"
form_type: "8-K"
ticker: null
cik: "0001414475"
company_name: "Western Midstream Operating, LP"
filed_at: "2025-12-04T23:59:59+00:00"
generated_at: "2026-05-16T14:36:47.827662+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Western Midstream Operating closes $1.2B senior notes offering for refinancing and general purposes

## Summary
- Issued $600M of 4.800% Senior Notes due 2031 and $600M of 5.500% Senior Notes due 2035.
- Net proceeds to repay 4.650% Senior Notes due 2026 and commercial paper (incl. borrowings for Aris Water acquisition).
- Notes priced at 99.993% (2031) and 99.405% (2035) of face amount; semi-annual interest.
- Notes rank equally with existing senior debt; subsidiary guarantee conditional on revolver borrowing.
- Underwriting agreement with Wells Fargo, Deutsche Bank, Mizuho, SMBC Nikko.

## SEC filing metadata
- accession: 0001414475-25-000025
- form_type: 8-K
- cik: 0001414475
- company_name: Western Midstream Operating, LP
- filed_at: 2025-12-04T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 2.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1414475/000141447525000025/0001414475-25-000025-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1414475/000141447525000025/wes-20251201.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001414475-25-000025
- JSON: https://secwatch.observer/filing/0001414475-25-000025.json
- Plain text: https://secwatch.observer/filing/0001414475-25-000025.txt

## Key facts
- Debt Financings
  Western Midstream Operating, LP incurred senior notes of $600,000,000 aggregate principal amount of 4.800% Senior Notes due 2031 and $600,000,000 aggregate principal amount of 5 with Computershare Trust Company, National Association at 4.800% maturing March 1, 2031, unless redeemed prior to maturity.
  - Instrument: senior notes
  - Principal: $600,000,000 aggregate principal amount of 4.800% Senior Notes due 2031 and $600,000,000 aggregate principal amount of 5
  - Counterparty: Computershare Trust Company, National Association
  - Rate: 4.800%
  - Maturity: March 1, 2031, unless redeemed prior to maturity
  - Event: incurrence
  source text: On December 4, 2025, Western Midstream Operating, LP (the “Partnership”), a subsidiary of Western Midstream Partners, LP (NYSE: WES), completed the public offering of $600,000,000 aggregate principal amount of 4.800% Senior Notes due 2031 (the “2031 Notes”) and $600,000,000 aggregate principal amount of 5.500% Senior Notes due 2035 (the “2035 Notes” and, together with the 2031 Notes, the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1414475/000141447525000025/0001414475-25-000025-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.