Business Context and Reporting Period
This Form 8-K Current Report is filed by Northwest Natural Holding Company and its wholly owned subsidiary, Northwest Natural Gas Company (NW Natural), for the reporting period of September 3, 2026. The filing discloses the creation of a direct financial obligation through the issuance of new debt securities.
Key Financial Metrics and Debt Issuance
On September 3, 2026, NW Natural issued and sold a total of $120,000,000 in aggregate principal amount of First Mortgage Bonds to institutional investors. The issuance consists of two tranches:
- 5.62% Series due 2036: $60,000,000 principal amount, bearing interest at 5.62% per annum, maturing September 3, 2036.
- 6.26% Series due 2056: $60,000,000 principal amount, bearing interest at 6.26% per annum, maturing September 3, 2056.
Interest payments for both series are payable semi-annually on March 3 and September 3, commencing March 3, 2027. The filing text does not provide specific values for revenue, profit, cash flow, margins, or existing liquidity positions.
Material Changes and Bond Terms
The primary material change is the addition of $120 million in long-term debt obligations. Both bond series are subject to redemption prior to maturity at the option of NW Natural:
- Early Redemption (Pre-June 3, 2036 for 5.62% Bonds; Pre-March 3, 2056 for 6.26% Bonds): Redemption price equals 100% of principal plus a "make-whole" premium and accrued interest.
- Late Redemption (On or after June 3, 2036 for 5.62% Bonds; On or after March 3, 2056 for 6.26% Bonds): Redemption price equals 100% of principal plus accrued interest.
Guidance, Outlook, and Risks
The filing does not contain management commentary, financial guidance, or specific risk factors beyond the standard terms of the debt instruments. The bonds were issued pursuant to an exemption from registration under Section 4(a)(2) of the Securities Act of 1933. The terms are governed by the Twenty-ninth Supplemental Indenture to the Mortgage and Deed of Trust dated July 1, 1946.
Investor Verification Checklist
- Verify the impact of the new $120 million debt on the company's overall leverage ratios and interest coverage.
- Review the Twenty-ninth Supplemental Indenture (Exhibit 4.1) for specific covenants and restrictions.
- Assess the "make-whole" premium calculation methodology for potential early redemption scenarios.
- Confirm the use of proceeds from this issuance, as it is not explicitly detailed in this summary.