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Form 8-K · Current Report · Filed 2026-05-18

NiSource Inc. Issues $1.25 Billion in Senior Notes

On May 18, 2026, NiSource Inc. completed the issuance of $500,000,000 of 4.750% Notes due 2031 and $750,000,000 of 5.300% Notes due 2036. The proceeds from the sale will be used for general corporate purposes, including capital expenditures, working capital, and to repay existing indebtedness.

Filer
NiSource Inc. NI · NYSE
Filed
Accession
0001193125-26-228913
CIK
0001111711
Signal
Medium impactUtilities

Items reported

Item events

Reported Item

New Debt Issued Financial Instrument Agreement

Market reaction

Close before filing

$46.30

Next session

+2.4%

Since filing

-8.2%

Latest close

$42.50

What happened, not what will happen — closing prices around the filing date.

Precedent

Previous filings from NI reporting the same item, with the next session's move:

Insider tape

Within 45 days of this filing, NI insiders reported 3 Form 4 transactions — net selling of $1.8M.

Full NI insider history →

About NiSource Inc.

NiSource Inc. is a prominent energy holding company primarily focused on the distribution and transmission of natural gas and electricity. The company operates through regulated utility subsidiaries, offering essential energy services to millions of customers across seven U.S. states, including Indiana, Kentucky, Maryland, Massachusetts, Ohio, Pennsylvania, and Virginia. NiSource engages in two major business segments: Gas Distribution Operations and Electric Operations. The Gas Distribution segment is responsible for the safe delivery of natural gas to residential, commercial, and industrial customers, playing a critical role in heating and powering homes and businesses. The Electric Operations segment involves the generation, transmission, and distribution of electricity, supporting vital infrastructure and fostering regional economic development. NiSource's strategic initiatives emphasize enhancing customer service, ensuring safety, and advancing environmental sustainability. As a key player in the utility industry, NiSource contributes significantly to the energy market, impacting sectors related to energy production, infrastructure, and environmental initiatives. The company's regulated business model aims to provide stable returns while pursuing growth opportunities in expanding its service offerings and improving energy efficiency.

Exchange NYSE Industry Utilities - Regulated Gas Company website ↗

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