NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q4 2014
Shares 1,900,822 Value ($000) $124,561 Avg Close — Range —
Q3 2014
Shares 2,204,449 Value ($000) $167,759 Avg Close — Range —
Q2 2014
Shares 2,201,281 Value ($000) $181,275 Avg Close — Range —
Q1 2014
Shares 1,831,427 Value ($000) $142,613 Avg Close — Range —
Q4 2013
Shares 2,208,473 Value ($000) $175,640 Avg Close — Range —
Q3 2013
Shares 2,231,824 Value ($000) $174,328 Avg Close — Range —
Q2 2013
Shares 1,533,750 Value ($000) $105,675 Avg Close — Range —