NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

TRUST CO OF OKLAHOMA's Holding History (CIK: 0001083323)

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

Q1 2017
Shares 5,100 Value ($000) $204,459 Avg Close — Range —
Q2 2016
Shares 7,550 Value ($000) $254,058 Avg Close — Range —
Q1 2016
Shares 7,850 Value ($000) $244,135 Avg Close — Range —
Q4 2015
Shares 7,950 Value ($000) $266,246 Avg Close — Range —
Q3 2015
Shares 9,850 Value ($000) $370,853 Avg Close — Range —
Q2 2015
Shares 6,700 Value ($000) $323,476 Avg Close — Range —
Q1 2015
Shares 6,700 Value ($000) $334,933 Avg Close — Range —
Q4 2014
Shares 6,460 Value ($000) $423,324 Avg Close — Range —
Q3 2014
Shares 6,280 Value ($000) $477,908 Avg Close — Range —
Q2 2014
Shares 6,280 Value ($000) $517,158 Avg Close — Range —
Q1 2014
Shares 6,280 Value ($000) $489,024 Avg Close — Range —
Q4 2013
Shares 5,455 Value ($000) $433,836 Avg Close — Range —
Q3 2013
Shares 5,430 Value ($000) $424,137 Avg Close — Range —
Q2 2013
Shares 4,980 Value ($000) $343,122 Avg Close — Range —