---
schema_version: "secwatch.filing_event.v1"
accession: "0001733998-23-000003"
form_type: "8-K"
ticker: "NWN"
cik: "0001733998"
company_name: "Northwest Natural Holding Co"
filed_at: "2023-01-06T23:59:59+00:00"
generated_at: "2026-06-20T18:53:06.106256+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Northwest Natural Gas Co. issues $100M of 5.43% First Mortgage Bonds due 2053

## Summary
- Issued $100M aggregate principal of First Mortgage Bonds, 5.43% Series due January 6, 2053.
- Interest payable semi-annually on Jan 6 and Jul 6, commencing Jul 6, 2023.
- Bonds redeemable prior to maturity at NW Natural's option with make-whole premium before Jul 6, 2052.
- Issued to institutional investors under a December 13, 2022 Bond Purchase Agreement.

## SEC filing metadata
- accession: 0001733998-23-000003
- form_type: 8-K
- ticker: NWN
- cik: 0001733998
- company_name: Northwest Natural Holding Co
- filed_at: 2023-01-06T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1733998/000173399823000003/0001733998-23-000003-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/73020/000173399823000003/nwn-20230106.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001733998-23-000003
- JSON: https://secwatch.observer/filing/0001733998-23-000003.json
- Plain text: https://secwatch.observer/filing/0001733998-23-000003.txt

## Key facts
- Debt Financings
  Northwest Natural Holding Co incurred senior notes of $100,000,000 at 5.43% per annum maturing January 6, 2053.
  - Instrument: senior notes
  - Principal: $100,000,000
  - Rate: 5.43% per annum
  - Maturity: January 6, 2053
  - Event: incurrence
  source text: On January 6, 2023, Northwest Natural Gas Company (NW Natural), a wholly owned subsidiary of Northwest Natural Holding Company, issued and sold $100,000,000 aggregate principal amount of its First Mortgage Bonds, 5.43% Series due January 6, 2053 (the Bonds), to certain institutional investors
  evidence_url: https://www.sec.gov/Archives/edgar/data/1733998/000173399823000003/0001733998-23-000003-index.htm

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