NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

BAMCO INC /NY/'s Holding History (CIK: 0001017918)

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

Q1 2015
Shares 445,596 Value ($000) $20,823 Avg Close — Range —
Q4 2014
Shares 2,543 Value ($000) $167 Avg Close — Range —
Q3 2014
Shares 6,243 Value ($000) $475 Avg Close — Range —
Q2 2014
Shares 5,943 Value ($000) $489 Avg Close — Range —
Q1 2014
Shares 6,563 Value ($000) $511 Avg Close — Range —
Q4 2013
Shares 7,043 Value ($000) $560 Avg Close — Range —
Q3 2013
Shares 5,743 Value ($000) $449 Avg Close — Range —
Q2 2013
Shares 7,411 Value ($000) $511 Avg Close — Range —