---
schema_version: "secwatch.filing_event.v1"
accession: "0000066756-25-000069"
form_type: "8-K"
ticker: null
cik: "0000066756"
company_name: "ALLETE INC"
filed_at: "2025-07-14T23:59:59+00:00"
generated_at: "2026-05-18T06:48:25.784628+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# ALLETE issues $250M in first mortgage bonds across four series to fund utility capex

## Summary
- Issued $50M at 5.37% due 2032, $75M at 5.69% due 2035, $50M at 5.79% due 2037, $75M at 6.34% due 2055.
- Interest payable semi-annually starting Jan 15, 2026; make-whole prepayment option with par call near maturity.
- Proceeds from the private placement will fund utility capital expenditures.
- Bonds sold to institutional accredited investors under Section 4(a)(2) exemption.

## SEC filing metadata
- accession: 0000066756-25-000069
- form_type: 8-K
- cik: 0000066756
- company_name: ALLETE INC
- filed_at: 2025-07-14T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/66756/000006675625000069/0000066756-25-000069-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/66756/000006675625000069/ale-20250709.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000066756-25-000069
- JSON: https://secwatch.observer/filing/0000066756-25-000069.json
- Plain text: https://secwatch.observer/filing/0000066756-25-000069.txt

## Key facts
- Debt Financings
  ALLETE INC incurred senior notes of $250 million at 5.37% 5.69% 5.79% 6.34% maturing July 9, 2032 July 9, 2035 July 9, 2037 July 9, 2055.
  - Instrument: senior notes
  - Principal: $250 million
  - Rate: 5.37% 5.69% 5.79% 6.34%
  - Maturity: July 9, 2032 July 9, 2035 July 9, 2037 July 9, 2055
  - Event: incurrence
  source text: On July 9, 2025, ALLETE, Inc. (ALLETE or Company) issued $250 million of the Company's first mortgage bonds (the "Bonds") to certain institutional buyers in the private placement market. The Bonds were sold in reliance on an exemption from registration under Section 4(a)(2) of the Securities Act of 1933, as amended, to institutional accredited investors. The Bonds were issued in four series as follows: Maturity Date Principal Amount Interest Rate July 9, 2032 $50 million 5.37% July 9, 2035 $75 million 5.69% July 9, 2037 $50 million 5.79% July 9, 2055 $75 million 6.34%
  evidence_url: https://www.sec.gov/Archives/edgar/data/66756/000006675625000069/0000066756-25-000069-index.htm

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