OTTER TAIL CORPORATION AMENDMENT NO. 5 DATED AS OF DECEMBER 12, 2011 to NOTE PURCHASE AGREEMENT Dated as of February 23, 2007 RE: $50,000,000 SENIOR NOTE due November 30, 2017Note Purchase Agreement • December 13th, 2011 • Otter Tail Corp • Electric services • New York
Contract Type FiledDecember 13th, 2011 Company Industry JurisdictionTHIS AMENDMENT NO. 5 dated as of December 12, 2011 (the or this “Amendment”) to the Note Purchase Agreement dated as of February 23, 2007 is between Otter Tail Corporation, a Minnesota corporation (the “Company”), and Cascade Investment, L.L.C. (“Cascade”).