---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-040233"
form_type: "8-K"
ticker: "UTHR"
cik: "0001082554"
company_name: "UNITED THERAPEUTICS Corp"
filed_at: "2023-03-31T23:59:59+00:00"
generated_at: "2026-06-17T07:33:59.915417+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# United Therapeutics extends credit facility maturity to March 31, 2028

## Summary
- Extended maturity of $1.2B and $800M unsecured revolving credit facilities by one year to March 31, 2028.
- Extension effective March 31, 2023, per Section 2.7 of the Credit Agreement originally dated March 31, 2022.
- Facilities may be increased by up to $500M aggregate subject to commitments and conditions.
- No other changes to terms; borrowing capacity remains unchanged.

## SEC filing metadata
- accession: 0001104659-23-040233
- form_type: 8-K
- ticker: UTHR
- cik: 0001082554
- company_name: UNITED THERAPEUTICS Corp
- filed_at: 2023-03-31T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 1.01, 2.03
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1082554/000110465923040233/0001104659-23-040233-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1082554/000110465923040233/tm2311145d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-040233
- JSON: https://secwatch.observer/filing/0001104659-23-040233.json
- Plain text: https://secwatch.observer/filing/0001104659-23-040233.txt

## Key facts
- Material Agreements
  UNITED THERAPEUTICS Corp amended Credit Agreement with Wells Fargo Bank, National Association, as administrative agent (effective 2023-03-31).
  - Action: amendment
  - Agreement: credit facility
  - Counterparty: Wells Fargo Bank, National Association, as administrative agent
  - Effective: 2023-03-31
  source text: Pursuant to Section 2.7 of the Credit Agreement, the maturity of the commitments and loans of each lender under the Credit Agreement has been extended by one year to March 31, 2028. The maturity extension became effective as of March 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1082554/000110465923040233/0001104659-23-040233-index.htm

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