Wausau Paper Marks 10th Listing Anniversary on the New York Stock Exchange

MOSINEE, Wis., Mar 25, 2008 (BUSINESS WIRE) — Wausau Paper (NYSE:WPP) today announced that it will be ringing the New York Stock Exchange (NYSE) closing bell on Wednesday March 26 to commemorate its 10th Listing Anniversary on the NYSE.

“This is an important event in the history of Wausau Paper and we are pleased to celebrate our continuing association with the New York Stock Exchange,” said Thomas J. Howatt, president and chief executive officer. “After achieving record sales of more than $1.2 billion during the difficult business conditions of 2007, we are energized by the many significant growth opportunities before us. We look forward to working on behalf of our shareholders and maintaining our strong relationship with the NYSE for years to come.”

A live webcast of The Closing Bell (beginning at 3:55 p.m.) will be available at www.nyse.com and www.wausaupaper.com.

About Wausau Paper:

Wausau Paper, with record revenues of more than $1.2 billion in fiscal 2007, produces and markets fine printing and writing papers, technical specialty papers, and “away-from-home” towel and tissue products. To learn more about Wausau Paper visit: www.wausaupaper.com.

Safe Harbor under the Private Securities Litigation Reform Act of 1995: The matters discussed in this news release concerning the company’s future performance or anticipated financial results are forward-looking statements and are made pursuant to the safe harbor provisions of the Securities Reform Act of 1995. Such statements involve risks and uncertainties which may cause results to differ materially from those set forth in these statements. Among other things, these risks and uncertainties include the strength of the economy and demand for paper products, increases in raw material and energy prices, manufacturing problems at company facilities, and other risks and assumptions described under “Information Concerning Forward-Looking Statements” in Item 7 and in Item 1A of the company’s Form 10-K for the year ended December 31, 2007. The company assumes no obligation to update or supplement forward-looking statements that become untrue because of subsequent events.

SOURCE: Wausau Paper

Wausau Paper Investor and Media Contact: Perry Grueber, 715-692-2056 Director Investor Relations Fax: 715-692-2020 pgrueber@wausaupaper.com