RICHMOND, VA (June 17, 2008)—MeadWestvaco Corporation (NYSE: MWV) will release its results for the second quarter 2008 on Thursday, July 24, before the market opens. The news release for second quarter results will be available on MWV’s website at www.mwv.com.

The company will broadcast its second quarter conference call on Thursday, July 24, at 10:00 a.m. (EDT) with access available via Internet and telephone. The teleconference is expected to last about 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 second quarter results. Following the review, questions will be taken from registered analysts and investors.

Investors may participate in the live conference call by dialing 1 (888) 423-3273 (toll-free domestic) or 1 (612) 332-0923 (international); passcode: MeadWestvaco. Please call to register at least 10 minutes before the conference call begins. A replay of the call will be available for one month via the telephone starting at 12:00 p.m. (EDT) on July 24, and can be accessed at 1 (800) 475-6701 (toll-free domestic) or 1 (320) 365-3844 (international); access code: 891607.

The live conference call and presentation slides may be accessed on MWV’s website 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. Please go to the website at least one hour prior to the call to register, download and install any necessary audio software.

About MWV

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 24,000 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 fourth consecutive year. For more information, please visit www.mwv.com.

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