MEADWESTVACO CORP

CUSIP: 583334107 Class: COM

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

Note: Option positions (PUT/CALL) are excluded.

Q1 2011
Shares 56,500 Value ($000) $1,714 Avg Close — Range —
Q4 2010
Shares 56,500 Value ($000) $1,478 Avg Close — Range —
Q1 2010
Shares 111,600 Value ($000) $2,851 Avg Close — Range —
Q4 2009
Shares 60,400 Value ($000) $1,729 Avg Close — Range —