Wausau Paper Expands Specialty Products Line

MOSINEE, Wis.–(BUSINESS WIRE)–March 30, 2007–Wausau Paper (NYSE:WPP) announces the expansion of three product groups in its release liner, food service and protective packaging product lines. The newly introduced products include expansion of the ExperTec(R) glassine and release liner family of products; a new EcoSelect(TM) product platform that gives users an economic, environmentally preferable choice in grease-resistant and grease-proof papers; and ProGard(R) Moisture Sentry(TM), a laminated protective shipping paper that alerts customers and handlers that the product may have been exposed to water damage during shipping.

“We are committed to continuous product innovation and best-in-class manufacturing practices to bring to market new value-added products that meet the evolving needs of our customers,” said Al Davis, Executive Vice President of Specialty Products. “The innovative features that set these products apart reflect our commitment to solving our customer’s ever-changing business challenges with both highest quality and enhanced solutions. These capabilities are particularly evident in the extension of our well-established ExperTec(R) line of release liner products, where we have now introduced a recyclable alternative to petroleum/poly-based liner products.”

The new ExperTec(R) release liner product platform includes:

ExperTec(R) Select, a new family of quality release liner products that provide a new standard of value and performance for multiple applications.

ExperTec(R) Premium, a family of world class glassine release liner products setting the standard for optimized solutions in challenging applications.

ExperTec(R) Ultra, our smoothest glassine product family developed for the most demanding liner applications including film label, casting and graphics. In addition, Ultra provides a recyclable alternative to petroleum/poly-based liners.

The new EcoSelect(TM) product platform adds additional environmentally preferable packaging and food service papers to the line of grease resistant and grease proof barrier products manufactured by Wausau Paper for over 50 years through a proprietary non-fluorochemical manufacturing process. Marketed within Wausau Paper’s ProRedi(R) and ProPly(R) brands, EcoSelect(TM) papers provide Wausau Paper customers economically justifiable and environmentally preferable alternatives to competitive barrier products for these applications.

The ProGard(R) brand of laminated protective shipping papers now includes, ProGard(R) Moisture Sentry(TM), a new product that provides a visible wetness indicator. Our latest over-wrap product incorporates distinctive moisture sensitive print which indicates when damaging moisture comes into contact with the wrap.

For information on any of these products contact Mr. Jim Cauley at Wausau Paper, Specialty Products, 1-866-507-4689 or e-mail: jcauley@wausaupaper.com.

About Wausau Paper:

Wausau Paper, with record revenues of $1.2 billion in fiscal 2006 produces fine printing and writing papers, technical specialty papers, and “away-from-home” towel and tissue products. To learn more about Wausau Paper visit: http://www.wausaupaper.com.

      CONTACT: Wausau Paper, Mosinee              Investor and Media Contact:              Perry Grueber, 715-692-2056      SOURCE: Wausau Paper