NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q3 2016
Shares 540,000 Value ($000) $19,840,000 Avg Close — Range —
Q2 2016
Shares 404,010 Value ($000) $13,595,000 Avg Close — Range —
Q4 2015
Shares 138,400 Value ($000) $4,635,000 Avg Close — Range —
Q3 2015
Shares 232,499 Value ($000) $8,754,000 Avg Close — Range —
Q4 2014
Shares 432,792 Value ($000) $28,361,000 Avg Close — Range —
Q3 2014
Shares 247,746 Value ($000) $18,853,000 Avg Close — Range —
Q2 2014
Shares 590,872 Value ($000) $48,658,000 Avg Close — Range —
Q1 2014
Shares 703,593 Value ($000) $54,789,000 Avg Close — Range —
Q4 2013
Shares 655,699 Value ($000) $52,148,000 Avg Close — Range —
Q3 2013
Shares 427,952 Value ($000) $33,427,000 Avg Close — Range —
Q2 2013
Shares 291,137 Value ($000) $20,059,000 Avg Close — Range —