SUPPLEMENTAL RETIREMENT BENEFIT PLAN
This Supplemental Retirement Benefit Plan (the "Plan") adopted effective as of November 12, 1991, and
amended August 24, 1997, by Mosinee Paper Corporation, a Wisconsin corporation, ("Mosinee") for the
purposes of providing deferred compensation in the form of supplemental retirement benefits for San W. Orr, Jr.
("Mr. Orr") in recognition of his service to Mosinee as its Chairman of the Board of Directors is hereby further
amended effective as of this 4th day of March, 1999.
1. NORMAL SUPPLEMENTAL RETIREMENT BENEFIT. Beginning on the first day of the first month
following the last to occur of (a) Mr. Orr's termination of employment with each of Mosinee and its parent,
Wausau-Mosinee Paper Corporation ("Wausau") or (b) Mr. Orr's 60th birthday, and continuing on the first day
of each succeeding month, Mosinee shall pay to Mr. Orr, if he is then living, a monthly supplemental retirement
benefit (Mr. Orr's "Normal Supplemental Retirement Benefit") in an amount equal to 50% of one-twelfth of Mr.
Orr's highest final average W-2 compensation for the five consecutive calendar year period in which such
compensation was paid. Mr. Orr's Normal Supplemental Retirement Benefit shall not be reduced or offset by the
amount of any other payment then due him from Mosinee or any other plan or program now or hereafter
maintained by Mosinee.
2. SURVIVING SPOUSE BENEFIT. From and after the first day of the first month following the later of (a) the
month in which Mr. Orr's death occurs or (b) the month in which Mr. Orr would have attained his 60th birthday if
Mr. Orr's death occurs before he has attained age 60, and continuing on the first day of each succeeding month,
Mosinee shall pay to Mr. Orr's spouse, if then living (Mr. Orr's "Surviving Spouse"), a monthly benefit (the
"Supplemental Surviving Spouse Benefit") in an amount equal to 50% of the Normal Supplemental Retirement
Benefit to which Mr. Orr would have then been entitled had he then been living.
3. CHANGE IN CO