# EDGAR Filing Document

**Accession Number:** 0001111711
**File Stem:** 0001193125-23-068490
**Filing Date:** 2023-3
**Character Count:** 5376
**Document Hash:** e685593766098551c6a538bdadbbdae2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-068490.hdr.sgml**: 20230313

**ACCESSION NUMBER**: 0001193125-23-068490

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 13

**CONFORMED PERIOD OF REPORT**: 20230310

**ITEM INFORMATION**: Regulation FD Disclosure

**FILED AS OF DATE**: 20230313

**DATE AS OF CHANGE**: 20230313

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NISOURCE INC.
- **CENTRAL INDEX KEY:** 0001111711
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC & OTHER SERVICES COMBINED [4931]
- **IRS NUMBER:** 352108964
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-16189
- **FILM NUMBER:** 23725718

**BUSINESS ADDRESS:**
- **STREET 1:** 801 EAST 86TH AVE
- **CITY:** MERRILLVILLE
- **STATE:** IN
- **ZIP:** 46410-6272
- **BUSINESS PHONE:** 2196475200

**MAIL ADDRESS:**
- **STREET 1:** 801 EAST 86TH AVE
- **CITY:** MERRILLVILLE
- **STATE:** IN
- **ZIP:** 46410-6272

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NISOURCE INC/DE
- **DATE OF NAME CHANGE:** 20001103

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NEW NISOURCE INC
- **DATE OF NAME CHANGE:** 20000412

?xml version="1.0" encoding="utf-8" ? 8-K

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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

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### FORM 8-K

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#### CURRENT REPORT

#### PURSUANT TO SECTION 13 OR 15(D)

#### OF THE SECURITIES EXCHANGE ACT OF 1934

#### Date of Report (Date of earliest event reported): March 10, 2023

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## NiSource Inc.

#### (Exact name of registrant as specified in its charter)

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| | | |
|:---|:---|:---|
| **Delaware** | **001-16189** | **35-2108964** |
| **(State or other jurisdiction**<br> **of incorporation)** | **Commission**<br> **File Number** | **(I.R.S. Employer**<br> **Identification No.)** |

---

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| | |
|:---|:---|
| **801 East 86th Avenue**<br> **Merrillville, IN** | **46410** |
| **(Address of principal executive offices)** | **(Zip Code)** |

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#### Registrant's telephone number, including area code (877) 647-5990

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions.

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2 (b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4 (c))

Securities registered pursuant to Section 12(b) of the Act:

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| | | |
|:---|:---|:---|
| **Title of Each Class** | **Trading<br>Symbol(s)** | **Name of Each Exchange**<br> **on Which Registered** |
| Common Stock, par value $0.01 per share | NI | NYSE |
| Depositary Shares, each representing a 1/1,000th ownership interest in a share of 6.50% Series B Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Stock, par value $0.01 per share, liquidation preference $25,000 per share and a 1/1,000th ownership interest in a share of Series B-1 Preferred Stock, par value $0.01 per share, liquidation preference $0.01 per share | NI PR B | NYSE |
| Series A Corporate Units | NIMC | NYSE |

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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| | |
|:---|:---|
| **Item 7.01.** | **Regulation FD Disclosure.**  |

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On September 15, 2022, Northern Indiana Public Service Company ("NIPSCO") filed a base rate proceeding at the Indiana Utility Regulatory Commission (the "Commission"), requesting approval of an increase in annual revenues of approximately $395 million based upon a pro forma fully projected future test year ending December 31, 2023.

On March 10, 2023, NIPSCO and certain parties to the rate case filed a Settlement Agreement that, if approved, will resolve all issues in the rate case. If approved by the Commission, NIPSCO will be authorized to increase annual revenues by $291.8 million. NIPSCO anticipates receipt of an Order on the Settlement Agreement by August 23, 2023 with implementation of new rates effective September 1, 2023. At this time, there may be parties that oppose the Settlement. Opposing parties have until March 31, 2023 to file any opposition to the proposed settlement.

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#### SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | | |
|:---|:---|:---|
|  |  | NiSource Inc. |
|  |  | (Registrant) |
| Date: March 13, 2023 | By: | /s/ Kimberly S. Cuccia |
|  |  | Kimberly S. Cuccia |
|  |  | Senior Vice President, General Counsel and Corporate Secretary |

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