X0202 4 2006-11-15 0000105076 WAUSAU PAPER CORP. WPP 0001192709 HOWATT THOMAS J 100 PAPER PLACE MOSINEE WI 54455 1 1 0 0 President & CEO No Par Value Common Stock 2006-11-15 5 J 0 80.6173 15.00 A 14307.2046 I Common Stock Purchase Plan Common Stock Equivalent Units 0 2006-11-15 5 A 0 99.8629 0 A 1988-08-08 1988-08-08 Common Stock 99.8629 17746.1991 D Common Stock Equivalent Units 0 2006-11-30 5 A 0 233.3333 0 A 1988-08-08 1988-08-08 Common Stock 233.3333 17979.5324 D Dividend Equivalents 0 2006-11-15 5 A 0 36 0 A 1988-08-08 1988-08-08 Common Stock 36 1392.5 D Performance Rights 0 2006-11-15 4 A 0 28.4031 0 A 2006-12-31 2006-12-31 Common Stock 28.4031 5087.5 D Restricted Stock Units 0 2006-11-15 4 A 0 7.3963 0 A 1988-08-08 1988-08-08 Common Stock 7.3963 1324.8026 D Acquired under Dividend Reinvestment Plan. Converts to common stock on a one-for-one basis. Stock equivalent units accrued under the Wausau Paper Deferred Compensation Plan for Directors; the value of the units is paid in cash at Director's termination of service. Accruals on dividend record dates. Converts to common stock on a one-for-one basis. Value of dividend equivalents paid in cash only at earlier of termination of employment or exercise of certain options. Performance conditions satisified on February 21, 2006; rights vest if employment continues until December 31, 2006. Each unit represents right to receive one share of issuer's common stock upon termination of service as a director, unless deferred at election of reporting person. Sherri L. Craker, Attorney-in-Fact 2006-12-04