---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-094769"
form_type: "8-K"
ticker: null
cik: "0001060386"
company_name: "BRANDYWINE OPERATING PARTNERSHIP, L.P."
filed_at: "2024-04-12T23:59:59+00:00"
generated_at: "2026-06-03T23:15:19.136046+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Brandywine OP issues $400M 8.875% notes due 2029; refi $335M 4.10% notes due Oct 2024

## Summary
- Issued $400M of 8.875% guaranteed notes due 2029; net proceeds ~$391.8M after underwriting discount and expenses.
- Proceeds to repurchase/redeem $335.1M of 4.10% notes maturing Oct 1, 2024, plus general corporate purposes.
- Notes are unsecured, rank equally with existing unsecured debt; fully guaranteed by Brandywine Realty Trust (BDN).
- Interest payable semi-annually on Apr 12 and Oct 12, beginning Oct 12, 2024.

## SEC filing metadata
- accession: 0001193125-24-094769
- form_type: 8-K
- cik: 0001060386
- company_name: BRANDYWINE OPERATING PARTNERSHIP, L.P.
- filed_at: 2024-04-12T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 2.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1060386/000119312524094769/0001193125-24-094769-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/790816/000119312524094769/d819413d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-094769
- JSON: https://secwatch.observer/filing/0001193125-24-094769.json
- Plain text: https://secwatch.observer/filing/0001193125-24-094769.txt

## Key facts
- Debt Financings
  BRANDYWINE OPERATING PARTNERSHIP, L.P. incurred senior notes of $400 million at 8.875% maturing 2029.
  - Instrument: senior notes
  - Principal: $400 million
  - Rate: 8.875%
  - Maturity: 2029
  - Event: incurrence
  source text: completed its offering and sale (the “Notes Offering”) of $400 million in aggregate principal amount of its 8.875% Guaranteed Notes due 2029
  evidence_url: https://www.sec.gov/Archives/edgar/data/1060386/000119312524094769/0001193125-24-094769-index.htm
- Material Agreements
  BRANDYWINE OPERATING PARTNERSHIP, L.P. entered into Indenture with The Bank of New York Mellon valued at $400 million (effective 2004-10-22).
  - Action: entry
  - Agreement: notes offering
  - Counterparty: The Bank of New York Mellon
  - Value: $400 million
  - Effective: 2004-10-22
  source text: On April 12, 2024, Brandywine Operating Partnership, L.P., a Delaware limited partnership (the “Operating Partnership”), completed its offering and sale (the “Notes Offering”) of $400 million in aggregate principal amount of its 8.875% Guaranteed Notes due 2029 (the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1060386/000119312524094769/0001193125-24-094769-index.htm

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