Richmond, Virginia, USA, 01 October 2009 — MeadWestvaco Corporation (NYSE: MWV) will release its third quarter 2009 results on 28 October 28, 2009, before the market opens. A news release for the results will be available on MWV’s Web site at www.mwv.com.

The company will host its third quarter 2009 results conference call on 28 October at 9:00 a.m. (Eastern Time), with access available via Internet and telephone. The event is scheduled for one hour.

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 1-800-230-1951 (toll-free domestic) or 1-612-234-9959 (international); passcode: MeadWestvaco. Participants should call to register at least 10 minutes before the conference call begins.

The live conference call and presentation slides may be accessed on MWV’s Web site at www.mwv.com. After connecting to the home page, access the link to Investor Information, then Calendar of Events, and look for the link to the webcast. Go to the website at least one hour before the call to register and download and install any necessary audio software. A replay of the call will be available for one month via telephone, starting at 11:00 a.m. (Eastern Time) on 28 October, and can be accessed at 1-800-475-6701 (toll-free domestic) or 1-320-365-3844 (international); access code: 117350.

MeadWestvaco Corporation provides packaging solutions to many of the world’s most admired brands in the healthcare, beauty and personal care, food, beverage, media and entertainment, home and garden, tobacco, and commercial print industries. The company's businesses also 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 21,000 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 sixth consecutive year. For more information, visit www.mwv.com.