X0303 4 2008-11-17 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 2008-11-17 5 J 0 218.3478 8.9275 A 23151.4586 D Common Stock Equivalent Units 0 2008-11-17 5 A 0 219.8509 0 A 1988-08-08 1988-08-08 Common Stock 219.8509 22592.9401 D Dividend Equivalents 0 2008-11-17 5 A 0 66.7 0 A 1988-08-08 1988-08-08 Common Stock 66.7 1851.8 D Performance Rights 0 2008-11-17 5 A 0 63.403 0 A 2008-12-31 2008-12-31 Common Stock 63.403 6515.5858 D Restricted Stock Units 0 2008-11-17 5 A 0 24.2543 0 A 1988-08-08 1988-08-08 Common Stock 24.2543 2492.4819 D Acquired under Dividend Reinvestment Plan. Converts to common stock on a one-for-one basis. Stock equivalent units accrued under the Wausau Paper Corp. 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. Value of Dividend Equivalents paid in cash only at earlier of termination of employment or exercise of certain options. Performance conditions satisified on February 15, 2008; rights vest if employment continues until December 31, 2008. 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. Lemmer, Attorney-in-Fact 2008-12-02