NISOURCE INC.

For the period ended Sep 30, 2026. Filed Oct 28, 2026.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Oct 28, 2026

NI$45.29+0.5%Stored close · as of Nov 10, 2026

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Contents

Condensed Statements of Consolidated Equity (unaudited)

(in millions)	CommonStock	TreasuryStock	AdditionalPaid-InCapital	RetainedDeficit	AccumulatedOtherComprehensiveLoss	Noncontrolling Interest in Consolidated Subsidiaries	Total
Balance as of June 30, 2026	$4.8	$(99.9)	$9,875.4	$(196.2)	$(9.5)	$2,319.8	$11,894.4
Comprehensive Income:
Net income	—	—	—	129.5	—	9.5	139.0
Other comprehensive loss, net of tax	—	—	—	—	(4.1)	—	(4.1)
Dividends:
Common stock ($0.30 per share)	—	—	—	(145.0)	—	—	(145.0)
Noncontrolling Interests:
Contributions from noncontrolling interests	—	—	—	—	—	69.9	69.9
Distributions to noncontrolling interests	—	—	—	—	—	(16.0)	(16.0)
Stock Issuances:
Employee stock purchase plan	—	—	2.0	—	—	—	2.0
Long-term incentive plan	—	—	12.2	—	—	—	12.2
401(k) and profit sharing	—	—	2.0	—	—	—	2.0
Balance as of September 30, 2026	$4.8	$(99.9)	$9,891.6	$(211.7)	$(13.6)	$2,383.2	$11,954.4
(in millions)	CommonStock	TreasuryStock	AdditionalPaid-InCapital	RetainedDeficit	AccumulatedOtherComprehensiveLoss	Noncontrolling Interest in Consolidated Subsidiaries	Total
Balance as of December 31, 2025	$4.8	$(99.9)	$9,866.6	$(315.2)	$(6.2)	$2,209.8	$11,659.9
Comprehensive Income:
Net income	—	—	—	682.1	—	50.0	732.1
Other comprehensive loss, net of tax	—	—	—	—	(7.4)	—	(7.4)
Dividends:
Common stock ($1.20 per share)	—	—	—	(582.2)	—	—	(582.2)
Noncontrolling Interests:
Contributions from noncontrolling interests	—	—	—	—	—	194.4	194.4
Distributions to noncontrolling interests	—	—	—	—	—	(71.0)	(71.0)
Stock Issuances:
Series A preferred stock redemption premium	—	—	—	3.6	—	—	3.6
Employee stock purchase plan	—	—	6.0	—	—	—	6.0
Long-term incentive plan	—	—	12.2	—	—	—	12.2
401(k) and profit sharing	—	—	6.8	—	—	—	6.8
Balance as of September 30, 2026	$4.8	$(99.9)	$9,891.6	$(211.7)	$(13.6)	$2,383.2	$11,954.4

(in millions)	CommonStock	TreasuryStock	AdditionalPaid-InCapital	RetainedDeficit	AccumulatedOtherComprehensiveLoss	Noncontrolling Interest in Consolidated Subsidiaries	Total
Balance as of June 30, 2025	$4.7	$(99.9)	$9,538.0	$(532.1)	$(28.2)	$2,114.4	$10,996.9
Comprehensive Income:
Net income	—	—	—	94.7	—	12.3	107.0
Other comprehensive income, net of tax	—	—	—	—	15.2	—	15.2
Dividends:
Common stock ($0.28 per share)	—	—	—	(134.6)	—	—	(134.6)
Noncontrolling Interests:
Contributions from noncontrolling interests	—	—	—	—	—	11.0	11.0
Distributions to noncontrolling interest	—	—	—	—	—	(14.1)	(14.1)
Stock Issuances:
Employee stock purchase plan	—	—	1.9	—	—	—	1.9
Long-term incentive plan	—	—	7.2	—	—	—	7.2
401(k) and profit sharing	—	—	2.4	—	—	—	2.4
ATM program	0.1	—	248.8	—	—	—	248.9
Balance as of September 30, 2025	$4.8	$(99.9)	$9,798.3	$(572.0)	$(13.0)	$2,123.6	$11,241.8
(in millions)	CommonStock	TreasuryStock	AdditionalPaid-InCapital	RetainedDeficit	AccumulatedOtherComprehensiveLoss	Noncontrolling Interest in Consolidated Subsidiaries	Total
Balance as of December 31, 2024	$4.7	$(99.9)	$9,521.5	$(711.7)	$(30.4)	$1,984.1	$10,668.3
Comprehensive Income:
Net income	—	—	—	671.7	—	62.5	734.2
Other comprehensive income, net of tax	—	—	—	—	17.4	—	17.4
Dividends:
Common stock ($1.12 per share)	—	—	—	(532.0)	—	—	(532.0)
Noncontrolling Interests:
Contributions from noncontrolling interests	—	—	—	—	—	145.3	145.3
Distributions to noncontrolling interest	—	—	—	—	—	(68.3)	(68.3)
Stock Issuances:
Employee stock purchase plan	—	—	5.5	—	—	—	5.5
Long-term incentive plan	—	—	15.3	—	—	—	15.3
401(k) and profit sharing	—	—	7.2	—	—	—	7.2
ATM program	0.1	—	248.8	—	—	—	248.9
Balance as of September 30, 2025	$4.8	$(99.9)	$9,798.3	$(572.0)	$(13.0)	$2,123.6	$11,241.8

Condensed Statements of Consolidated Equity (unaudited) (continued)

	Common
Shares (in thousands)	Shares	Treasury	Outstanding
Balance as of June 30, 2026	483,461	(3,963)	479,498
Issued:
Employee stock purchase plan	44	—	44
Long-term incentive plan	14	—	14
401(k) and profit sharing	47	—	47
Balance as of September 30, 2026	483,566	(3,963)	479,603
	Common
Shares (in thousands)	Shares	Treasury	Outstanding
Balance as of December 31, 2025	482,395	(3,963)	478,432
Issued:
Employee stock purchase plan	134	—	134
Long-term incentive plan	887	—	887
401(k) and profit sharing	150	—	150
Balance as of September 30, 2026	483,566	(3,963)	479,603
	Common
Shares (in thousands)	Shares	Treasury	Outstanding
Balance as of June 30, 2025	474,747	(3,963)	470,784
Issued:
Employee stock purchase plan	47	—	47
Long-term incentive plan	24	—	24
401(k) and profit sharing	55	—	55
ATM program	6,226	—	6,226
Balance as of September 30, 2025	481,099	(3,963)	477,136
	Common
Shares (in thousands)	Shares	Treasury	Outstanding
Balance as of December 31, 2024	473,785	(3,963)	469,822
Issued:
Employee stock purchase plan	141	—	141
Long-term incentive plan	768	—	768
401(k) and profit sharing	179	—	179
ATM program	6,226	—	6,226
Balance as of September 30, 2025	481,099	(3,963)	477,136

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