MeadWestvaco Completes Acquisition of Calmar

Stamford, Connecticut, USA, 05 July 2006 -– MeadWestvaco Corporation (NYSE: MWV) today announced that it has completed its acquisition of Calmar, a leading global manufacturer of high-quality and innovative plastic dispensing and spraying systems. Calmar was purchased from Compagnie de Saint-Gobain for a total consideration of USD 710 million.

"Calmar is a premium business that furthers our ability to deliver innovative packaging solutions across the packaging value chain to the world's most recognized consumer products companies across large and growing global markets," said John A. Luke, Jr., chairman and chief executive officer of MeadWestvaco. "With the completion of the acquisition we now are intently focused on executing the operating and growth enhancements we have identified for our combination."

As previously announced, MeadWestvaco expects the Calmar acquisition to have minimal effect on its earnings through 2006, but expects that it will add to its earnings beginning in 2007. MeadWestvaco funded the purchase with USD 340 million from new short-term borrowings and the remainder from cash on hand.

About MeadWestvaco

MeadWestvaco is a global packaging company that delivers high-value packaging solutions and products to the world's most recognized companies in the food and beverage, media and entertainment, personal care, cosmetic, and healthcare industries. The company also has market-leading positions in its Consumer and Office Products, Specialty Chemicals, and Specialty Papers businesses. The company has operations in more than 29 countries. It has been selected for the Dow Jones Sustainability Indexes and manages all of its forestlands in accordance with internationally recognized forest certification standards. For more information, visit www.meadwestvaco.com.