X0303 4 2009-12-31 0001159297 MEADWESTVACO Corp MWV 0001282312 BIRKENHOLZ ROBERT E 299 PARK AVENUE NEW YORK NY 10171 0 1 0 0 TREASURER Common Stock 2009-12-31 4 J 0 45.0161 28.63 A 45.0161 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/dated 2/25/2004 2010-01-04