8-K current report · filed May 18, 2026

NiSource (NI) 8-K Current Report: May 18, 2026

Short answer

NiSource (NI) filed an 8-K current report with the SEC on May 18, 2026 reporting Item 8.01 (Other Events). $500M 4.750% notes due 2031 and $750M 5.300% notes due 2036; $1.25B total debt issuance.

NiSource 8-K event analysis

AI summary of each reported item and its exhibits

Item 8.01 · Other Events

  • $500M 4.750% notes due 2031 and $750M 5.300% notes due 2036; $1.25B total debt issuance
  • Sale closed May 18, 2026, increasing long-term funding commitments through 2036
  • Proceeds earmarked for capital expenditures, working capital, general corporate purposes, and existing debt repayment
  • Higher-cost 2036 tranche carries 5.300% interest, creating ongoing interest expense obligations

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