OTTER TAIL CORPORATION $50,000,000 5.778% Senior Note due November 30, 2017 NOTE PURCHASE AGREEMENT Dated as of February 23, 2007Note Purchase Agreement • February 28th, 2007 • Otter Tail Corp • Electric services • New York
Contract Type FiledFebruary 28th, 2007 Company Industry JurisdictionOTTER TAIL CORPORATION, a Minnesota corporation (the “Company”), agrees with CASCADE INVESTMENT L.L.C., a Washington limited liability company (the “Purchaser”) as follows: