---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-000207"
form_type: "8-K"
ticker: "NI"
cik: "0001111711"
company_name: "NISOURCE INC."
filed_at: "2024-01-02T23:59:59+00:00"
generated_at: "2026-06-07T05:04:53.625107+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# NiSource completes $2.16B minority equity sale of NIPSCO stake to Blackstone

## Summary
- Blackstone affiliate acquired 19.9% non-controlling indirect equity interest in NIPSCO for $2.16 billion cash.
- Additional equity commitment of $250 million from Blackstone over three years to fund capital needs.
- NiSource retains 80.1% controlling interest; transaction closed December 31, 2023.
- Proceeds to strengthen balance sheet and support NIPSCO's energy transition and grid modernization.
- NiSource reaffirms consolidated credit, earnings and growth commitments through 2028.

## SEC filing metadata
- accession: 0001193125-24-000207
- form_type: 8-K
- ticker: NI
- cik: 0001111711
- company_name: NISOURCE INC.
- filed_at: 2024-01-02T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1111711/000119312524000207/0001193125-24-000207-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1111711/000119312524000207/d694183d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-000207
- JSON: https://secwatch.observer/filing/0001193125-24-000207.json
- Plain text: https://secwatch.observer/filing/0001193125-24-000207.txt

## Key facts
- Material Agreements
  NISOURCE INC. entered into LLC Agreement with Investor valued at up to $250,000,000 (effective 2023-12-31).
  - Action: entry
  - Counterparty: Investor
  - Value: up to $250,000,000
  - Effective: 2023-12-31
  source text: On December 31, 2023, pursuant to the terms of the Purchase Agreement and simultaneously with the Closing, Investor, NIPSCO Holdings I LLC, an Indiana limited liability company (“ Holdings I ”), Holdings II and NiSource entered into an Amended and Restated Limited Liability Company Agreement of Holdings II (the “ LLC Agreement ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1111711/000119312524000207/0001193125-24-000207-index.htm

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