0001959173-24-003648.txt : 20240516 0001959173-24-003648.hdr.sgml : 20240516 20240516164822 ACCESSION NUMBER: 0001959173-24-003648 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240516 DATE AS OF CHANGE: 20240516 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: NISOURCE INC. CENTRAL INDEX KEY: 0001111711 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC & OTHER SERVICES COMBINED [4931] ORGANIZATION NAME: 01 Energy & Transportation IRS NUMBER: 352108964 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-16189 FILM NUMBER: 24956360 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Brown Donald Eugene CENTRAL INDEX KEY: 0001638426 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 801 E. 86TH AVENUE CITY: MERRILLVILLE STATE: IN ZIP: 46410 144 1 primary_doc.xml 144 0001638426 XXXXXXXX LIVE 0001111711 NISOURCE INC. 001-16189 801 EAST 86TH AVE MERRILLVILLE IN 46410-6272 2196475200 Brown Donald Eugene Former Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

65892 1927100.26 448305338 05/16/2024 NYSE Common 02/28/2020 Restricted Stock Vesting Issuer N 26138 02/28/2020 Compensation Common 02/28/2022 Restricted Stock Vesting Issuer N 17985 02/28/2022 Compensation Common 02/28/2023 Restricted Stock Vesting Issuer N 21769 02/28/2023 Compensation N Donald E. Brown

801 East 86th Avenue Merrillville IN 46410

Common 03/06/2024 37490 1003964.70 05/16/2024 /s/ Jared Cook, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Donald E. Brown