---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-215887"
form_type: "8-K"
ticker: "NI"
cik: "0001111711"
company_name: "NISOURCE INC."
filed_at: "2024-09-09T23:59:59+00:00"
generated_at: "2026-05-31T05:50:40.139235+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# NiSource issues $500M of 6.375% junior subordinated notes due 2055

## Summary
- Aggregate principal $500M; notes priced at 6.375% until March 2035, then reset at 5-year Treasury plus 2.527%.
- Notes mature March 31, 2055; interest payable semi-annually on March 31 and September 30 starting March 2025.
- Company may defer interest for up to 20 consecutive semi-annual periods; no dividends or junior debt payments during deferral.
- Net proceeds used for general corporate purposes, including capex, working capital, and debt repayment.

## SEC filing metadata
- accession: 0001193125-24-215887
- form_type: 8-K
- ticker: NI
- cik: 0001111711
- company_name: NISOURCE INC.
- filed_at: 2024-09-09T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1111711/000119312524215887/0001193125-24-215887-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1111711/000119312524215887/d849655d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-215887
- JSON: https://secwatch.observer/filing/0001193125-24-215887.json
- Plain text: https://secwatch.observer/filing/0001193125-24-215887.txt

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