SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-C REPORT BY ISSUER OF SECURITIES QUOTED ON NASDAQ INTERDEALER QUOTATION SYSTEM Filed pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 and Rule 13a-17 or 15d-17 thereunder MOSINEE PAPER CORPORATION (Exact name of issuer as specified in charter) 1244 KRONENWETTER DRIVE, MOSINEE, WI 54455-9099 (Address of principal executive offices) Issuer's telephone number, including area code: (715) 693-4470 I. CHANGE IN NUMBER OF SHARES OUTSTANDING Indicate any change (increase or decrease) of 5% or more in the number of shares outstanding: 1. Title of security COMMON STOCK, NO PAR VALUE 2. Number of shares outstanding before the change 7,862,740 3. Number of shares outstanding after the change 10,483,064 4. Effective date of change MAY 15, 1996 5. Method of change: Specify method (such as merger, acquisition, exchange, distribution, stock split, reverse split, acquisition of stock for treasury, etc.) 4-FOR-3 STOCK SPLIT Give brief description of transaction: 4-FOR-3 STOCK SPLIT PAYABLE MAY 15, 1996 TO SHAREHOLDERS OF RECORD MAY 1, 1996 II. CHANGE IN NAME OF ISSUER 1. Name prior to change _______________________________________ 2. Name after change __________________________________________ 3. Effective date of charter amendment changing name __________ 4. Date of shareholder approval of change, if required ________ Date MAY 15, 1996 GARY P. PETERSON Gary P. Peterson, Senior Vice President - Finance & Secretary/Treasurer