X0303 4 2009-12-31 0001159297 MEADWESTVACO Corp MWV 0001336982 Cox Donna O 501 SOUTH 5TH STREET RICHMOND VA 23219-0501 0 1 0 0 Vice President - Communication Common Stock 2009-12-31 4 J 0 56.1125 28.63 A 2135.167 I Deferred Income Plan Share amount indicated represents an estimation of the reporting person's interest in MeadWestvaco's Deferred Income Plan. This plan holds no actual shares but the accrual of benefits mirrors the MeadWestvaco Savings and Investment Plan for Salaried Employees John J. Carrara/poa 2010-01-04