---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-151249"
form_type: "8-K"
ticker: "NI"
cik: "0001111711"
company_name: "NISOURCE INC."
filed_at: "2025-06-27T23:59:59+00:00"
generated_at: "2026-05-18T15:31:20.037862+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# NiSource issues $1.65B in notes: $900M 5.350% due 2035 and $750M 5.850% due 2055

## Summary
- Issued $900M of 5.350% Notes due 2035 and $750M additional 5.850% Notes due 2055 (reopening).
- Total 2055 Notes outstanding become $1.5B after this issuance.
- Use proceeds for general corporate purposes including capex, working capital, debt repayment.
- Lead underwriters: BMO, BNP Paribas, J.P. Morgan, PNC, Scotia, U.S. Bancorp.
- Sale closed June 27, 2025.

## SEC filing metadata
- accession: 0001193125-25-151249
- form_type: 8-K
- ticker: NI
- cik: 0001111711
- company_name: NISOURCE INC.
- filed_at: 2025-06-27T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1111711/000119312525151249/0001193125-25-151249-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1111711/000119312525151249/d56967d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-151249
- JSON: https://secwatch.observer/filing/0001193125-25-151249.json
- Plain text: https://secwatch.observer/filing/0001193125-25-151249.txt

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