NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

WHITEBOX ADVISORS LLC's Holding History (CIK: 0001257391)

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

Q1 2014
Shares 17,500 Value ($000) $1,363 Avg Close — Range —
Q4 2013
Shares 15,000 Value ($000) $1,193 Avg Close — Range —
Q3 2013
Shares 12,500 Value ($000) $976 Avg Close — Range —
Q2 2013
Shares 15,000 Value ($000) $1,034 Avg Close — Range —