MICHIGAN PUBLIC SERVICE COMMISSION ANNUAL REPORT OF ELECTRIC UTILITIES (MAJOR AND NON-MAJOR) This form is authorized by 1919 PA 419, as amended, being MCL 460.55 et seq.; and 1969 PA 306, as amended, being MCL 24.201 et seq. Filing of this form is mandatory. Failure to complete and submit this form will place you violation of state law. Report submitted for year ending: December 31, 2016 Present name of respondent: Wisconsin Public Service Corporation Address of principal place of business: 700 North Adams Street, P. O. Box 19001, Green Bay, Wisconsin 54307‐9001 Utility representative to whom inquires regarding this report may be directed: Name:Scott J. Maas Title: Controller‐ Corp Services Address: 700 North Adams Street, P. O. Box 19001 City:Green Bay State: WI Zip: 54307‐9001 Telephone, Including Area Code: (920) 433‐1421 If the utility name has been changed during the past year: Prior Name: Date of Change: Two copies of the published annual report to stockholders: []were forwarded to the Commission []will be forwarded to the Commission on or about Annual reports to stockholders: []are published [X] are not published FOR ASSISTANCE IN COMPLETION OF THIS FORM: Contact the Michigan Public Service Commission (Heather Cantin) at (517) 284-8266 or
[email protected] OR forward correspondence to: Michigan Public Service Commission Financial Analysis & Audit Division (Heather Cantin) 7109 W Saginaw Hwy PO Box 30221 Lansing, MI 48909 MPSC FORM P‐521 (01‐15) INDEPENDENT AUDITORS’ REPORT To The Board of Directors of Wisconsin Public Service Corporation Milwaukee, Wisconsin We have audited the accompanying financial statements of Wisconsin Public Service Corporation (the "Company"), which comprise the balance sheet — regulatory basis as of December 31, 2016, and the related statements of income — regulatory basis, retained earnings — regulatory basis, and cash flows — regulatory basis for the year then ended, included on pages 110 through 123 of the accompanying Michigan Public Service Commission Form P-521, and the related notes to the financial statements.