MDU RESOURCES GROUP, INC. TO THE BANK OF NEW YORK MELLONFirst Supplemental Indenture • February 17th, 2010 • Mdu Resources Group Inc • Mining & quarrying of nonmetallic minerals (no fuels) • New York
FIRST SUPPLEMENTAL INDENTURE, dated as of November 17, 2009 (this “Supplemental Indenture”) between MDU RESOURCES GROUP, INC., a corporation of the State of Delaware, whose address is 1200 West Century Avenue, Bismarck, North Dakota 58503 (the "Company"), and THE BANK OF NEW YORK MELLON (formerly known as The Bank of New York), a New York banking corporation, whose principal corporate trust address is 101 Barclay Street, New York, New York 10268 as Trustee (the "Trustee"), under the Indenture, dated as of December 15, 2003 (the "Original Indenture"), between the Company and the Trustee, this Supplemental Indenture being supplemental thereto. The Original Indenture and any and all indentures and instruments supplemental thereto are hereinafter collectively called the "Indenture."
November 9, 2009 Centennial Energy Holdings, Inc. PO Box 5650Consent Under Credit Agreement • February 17th, 2010 • Mdu Resources Group Inc • Mining & quarrying of nonmetallic minerals (no fuels)
