Richmond, Virginia, USA, 01 July 2009 — MeadWestvaco Corporation (NYSE: MWV) will release its second quarter 2009 results on 29 July, before the market opens. The company will host its second quarter 2009 results conference call on 29 July 29 at 10:00 a.m. Eastern Time, with access available via Internet and telephone. The event is scheduled for one hour.After connecting to the home page, access the link to Investor Information, then Calendar of Events, and look for the link to the webcast. Access the Web site at least one hour before the call to register, download, and install any necessary audio software.

MeadWestvaco Corporation (NYSE: MWV), provides packaging solutions to many of the world’s most admired brands in the healthcare, personal and beauty care, food, beverage, media and entertainment, and home and garden industries. The company's businesses include Consumer & Office Products, Specialty Chemicals, and the Community Development and Land Management Group, which sustainably manages the company’s land holdings to support its operations, and to provide for conservation, recreation and development opportunities. With 22,000 employees worldwide, MWV operates in 30 countries and serves customers in more than 100 nations. MWV manages all of its forestlands in accordance with internationally recognized forest certification standards, and has been named to the Dow Jones Sustainability World Index for the fifth consecutive year. For more information, visit www.mwv.com.

John A. Luke, Jr., chairman and chief executive officer; James A. Buzzard, president; E. Mark Rajkowski, chief financial officer; and Jason Thompson, director, investor relations, will review the results. Following the review, questions will be taken from registered analysts and investors.

Investors may participate in the live conference call by dialing 1 (800) 230-1074 (toll-free domestic) or 1 (612) 332-0345 (international); passcode: MeadWestvaco. Call at least 10 minutes before the conference call begins. A replay of the call will be available for one month via telephone, starting at 12:00 p.m. Eastern Time on 29 July, and can be accessed at 1 (800) 475-6701 (toll-free domestic) or 1 (320) 365-3844 (international); access code: 105776.

The live conference call and presentation slides may be accessed on MWV’s Web site at www.mwv.com.