NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

FORT WASHINGTON INVESTMENT ADVISORS INC /OH/'s Holding History (CIK: 0001009016)

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

Q3 2016
Shares 62,224 Value ($000) $2,286 Avg Close — Range —
Q2 2016
Shares 61,413 Value ($000) $2,067 Avg Close — Range —
Q1 2016
Shares 61,995 Value ($000) $1,928 Avg Close — Range —
Q4 2015
Shares 328,108 Value ($000) $10,988 Avg Close — Range —
Q3 2015
Shares 1,090,272 Value ($000) $41,049 Avg Close — Range —
Q2 2015
Shares 1,195,551 Value ($000) $57,721 Avg Close — Range —
Q1 2015
Shares 943,329 Value ($000) $47,157 Avg Close — Range —
Q4 2014
Shares 836,113 Value ($000) $54,790 Avg Close — Range —
Q3 2014
Shares 755,767 Value ($000) $57,514 Avg Close — Range —
Q2 2014
Shares 747,591 Value ($000) $61,564 Avg Close — Range —
Q1 2014
Shares 824,871 Value ($000) $64,233 Avg Close — Range —
Q4 2013
Shares 601,065 Value ($000) $47,803 Avg Close — Range —
Q3 2013
Shares 839,227 Value ($000) $65,552 Avg Close — Range —
Q2 2013
Shares 830,980 Value ($000) $57,255 Avg Close — Range —