NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

Zuckerman Investment Group, LLC's Holding History (CIK: 0001423296)

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

Q1 2015
Shares 325,838 Value ($000) $16,289 Avg Close — Range —
Q4 2014
Shares 246,993 Value ($000) $16,185 Avg Close — Range —
Q3 2014
Shares 182,960 Value ($000) $13,923 Avg Close — Range —
Q2 2014
Shares 314,316 Value ($000) $25,884 Avg Close — Range —
Q1 2014
Shares 311,815 Value ($000) $24,281 Avg Close — Range —
Q4 2013
Shares 197,060 Value ($000) $15,672 Avg Close — Range —
Q3 2013
Shares 143,423 Value ($000) $11,203 Avg Close — Range —
Q2 2013
Shares 139,165 Value ($000) $9,588 Avg Close — Range —