NORTHWESTERN CORPORATION TO THE BANK OF NEW YORK MELLON (formerly The Bank of New York) AND BEATA HARVIN As Trustees under Mortgage and Deed of Trust, dated as of October 1, 1945, with NorthWestern Corporation FORTY-FIRST SUPPLEMENTAL INDENTURE...Forty-First Supplemental Indenture • April 1st, 2021 • Northwestern Corp • Electric & other services combined
THIS FORTY-FIRST SUPPLEMENTAL INDENTURE, dated as of March 1, 2021, between NORTHWESTERN CORPORATION, a corporation duly incorporated and existing under the laws of the State of Delaware (hereinafter called the “Company”), having its principal office at 3010 West 69th Street, Sioux Falls, South Dakota, 57108, and THE BANK OF NEW YORK MELLON (formerly The Bank of New York) (hereinafter called the “Corporate Trustee”), a corporation of the State of New York, whose principal corporate trust office is located at 240 Greenwich Street, 7E, New York, New York, 10286 (successor to MORGAN GUARANTY TRUST COMPANY OF NEW YORK (formerly Guaranty Trust Company of New York)), and BEATA HARVIN, whose post office address is c/o The Bank of New York Mellon, 240 Greenwich Street, 7E, New York, New York, 10286 (successor to Arthur E. Burke, Karl R. Henrich, H.H. Gould, R. Amundsen, P.J. Crowley, W.T. Cunningham, Douglas J. MacInnes, MaryBeth Lewicki, Ming Ryan and Philip L. Watson) (said Beata Harvin bein
