OTTER TAIL CORPORATION

Accounting Services; Business Acquisition and Merger Consultation; Advertising and Publicity Services, Namely, Promoting and Marketing the Goods and Services of Others Through All Public Communications Means; Human Resources Consultation and Management; Shareholder and Business Records Management and Financial Records Management; Shareholder Services, Namely, Annual Shareholder Meeting Planning, Proxy Tabulation, Preparing Business Reports, and Providing Consumer Information and Related News to Investors in the Field of Company Financial Information and Business Developments and Events