NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

VESTOR CAPITAL, LLC's Holding History (CIK: 0001132699)

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

Q4 2013
Shares 49,761 Value ($000) $3,957 Avg Close — Range —
Q3 2013
Shares 50,071 Value ($000) $3,911 Avg Close — Range —
Q2 2013
Shares 47,976 Value ($000) $3,306 Avg Close — Range —