NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION (successor to NorthWestern Corporation, formerly known as NorthWestern Public Service Company) TO THE BANK OF NEW YORK MELLON (formerly The Bank of New York) As Trustee under the General Mortgage...NorthWestern Energy Group, Inc. • April 3rd, 2024 • Electric & other services combined
THIS TWENTY-FIRST SUPPLEMENTAL INDENTURE, dated as of March 1, 2024 (the “Supplemental Indenture”), is made by and between NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION, a corporation organized and existing under the laws of the State of South Dakota (the “Company”), the post office address of which is 3010 West 69th Street, Sioux Falls, South Dakota 57108, and THE BANK OF NEW YORK MELLON (formerly known as The Bank of New York (successor to JPMorgan Chase Bank, N.A. (successor by merger to The Chase Manhattan Bank (National Association)))) (the “Trustee”), as Trustee under the General Mortgage Indenture and Deed of Trust dated as of August 1, 1993, hereinafter mentioned, the post office address of which is 240 Greenwich Street, 7E, New York, New York 10286;
