UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 _________________________ FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 _________________________ Date of Report (date of earliest event reported): OCTOBER 21, 2004 WAUSAU-MOSINEE PAPER CORPORATION (Exact name of registrant as specified in its charter) WISCONSIN 1-13923 39-0690900 (State or other (Commission File (IRS Employer jurisdiction of Number) Identification incorporation) Number) 100 PAPER PLACE MOSINEE, WI 54455-9099 (Address of principal executive offices, including Zip Code) (715) 693-4470 (Registrant's telephone number, including area code) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: * Written communications pursuant to Rule 425 under the Securities Act (17 CFR 23.425) * Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) * Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) * Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) INFORMATION TO BE INCLUDED IN THE REPORT SECTION 8 - OTHER EVENTS ITEM 8.01 OTHER EVENTS On October 21, 2004, the Company announced that it had acquired the assets of Missota Paper Company, LLC, including its Brainerd, Minnesota, paper mill, for approximately $9.6 million. The assets will become part of Wausau Paper's Printing & Writing business segment. The Brainerd mill consists of two paper machines and associated finishing equipment capable of producing approximately 170,000 tons per year of uncoated freesheet paper. The Company plans to start the mill's largest paper machine in mid-November. The machine is capable of producing 90,000 ton per year of premium printing and writing paper. No timetable has been established for the start-up of the mill's second paper machine. This report contains certain of management's expectations and other forward-looking information regarding the Company pursuant to the safe-harbor provisions of the Private Securities Litigation Reform Act of 1995. While the Company believes that these forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance, and all such statements involve risk and uncertainties that could cause actual results to differ materially from those contemplated in this report. The Company's expectations with respect to the future operation at the Brainerd mill include the assumptions, risks, and uncertainties relating to general economic and business conditions, changes in the prices and supply of raw materials or energy, competitive pricing in the markets served by the Company as a result of economic conditions, overcapacity in the industry, and the demand for paper products. These and other assumptions, risks, and uncertainties are described under the caption "Cautionary Statement Regarding Forward-Looking Information" in Item 1 of the Company's Annual Report on Form 10-K for the year ended December 31, 2003, and from time to time, in the Company's other filings with the Securities and Exchange Commission. The Company assumes no obligation to update or supplement forward-looking statements that become untrue because of subsequent events. SECTION 9 - FINANCIAL STATEMENTS AND EXHIBITS ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS Exhibit 99.1 Press release dated October 21, 2004 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. WAUSAU-MOSINEE PAPER CORPORATION Date: October 21, 2004 By: SCOTT P. DOESCHER Scott P. Doescher Senior Vice President-Finance EXHIBIT INDEX TO FORM 8-K OF WAUSAU-MOSINEE PAPER CORPORATION DATED OCTOBER 21, 2004 Pursuant to Section 102(d) of Regulation S-T (17 C.F.R. Section 232.102(d)) 99.1 PRESS RELEASE DATED OCTOBER 21, 2004