Wausau Paper Introduces New OptiCore Bath Tissue And Dispensing Systems

MOSINEE, Wis–(BUSINESS WIRE)–March 15, 2005–Wausau Paper (NYSE:WPP) today announced the introduction of the OptiCore(TM) brand bath tissue and coordinating dispensing systems in its Bay West(R) line of “away-from-home” products. The patented OptiCore tissue system features increased capacity and a two-part core to ensure maximum use of each tissue roll in the dispenser, which lowers costs for end-use customers by reducing product waste and maintenance time.

High-quality OptiCore tissue is available in premium DublSoft(R) and 100% recycled EcoSoft(TM) Green Seal(R) products and features improved embossing. The OptiCore tissue system is also compatible with the company’s new Revolution(TM) 3-Roll and DublServ®(R) 2-Roll Side- by-Side dispensing systems, which feature sleek, contemporary styling and a locking cover.

“Wausau Paper takes pride in being an industry leader with our new OptiCore technology, demonstrating once again our commitment to product innovation,” said Thomas J. Howatt, president and CEO. “The addition of OptiCore will provide improved cost efficiencies for our customers while driving continued growth in our higher-margin value-added product category.”

Wausau Paper produces fine printing and writing papers, technical specialty papers, and “away-from-home” towel and tissue products. Green Seal(R) is a registered trademark of Green Seal, Inc., in Washington D.C., and is used by permission.

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 in Item 1 of the Company’s Form 10-K for the year ended December 31, 2004. The Company assumes no obligation to update or supplement forward-looking statements that become untrue because of subsequent events.

      CONTACT: Wausau Paper              Scott P. Doescher, 715-693-4470      SOURCE: Wausau Paper