NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

First Dallas Securities Inc.'s Holding History (CIK: 0001378559)

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

Q4 2014
Shares 6,055 Value ($000) $397 Avg Close — Range —
Q3 2014
Shares 6,853 Value ($000) $522 Avg Close — Range —
Q2 2014
Shares 6,502 Value ($000) $536 Avg Close — Range —
Q1 2014
Shares 6,601 Value ($000) $514 Avg Close — Range —
Q4 2013
Shares 6,664 Value ($000) $530 Avg Close — Range —
Q3 2013
Shares 6,280 Value ($000) $491 Avg Close — Range —
Q2 2013
Shares 6,679 Value ($000) $460 Avg Close — Range —