NATIONAL GRID PLC

CUSIP: 636274300 Class: SPONSORED ADR NE

BOKF, NA's Holding History (CIK: 0000009634)

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

Q1 2017
Shares 22,232 Value ($000) $1,412 Avg Close — Range —
Q4 2016
Shares 22,003 Value ($000) $1,283 Avg Close — Range —
Q3 2016
Shares 25,727 Value ($000) $1,830 Avg Close — Range —
Q2 2016
Shares 19,289 Value ($000) $1,434 Avg Close — Range —
Q1 2016
Shares 17,319 Value ($000) $1,237 Avg Close — Range —
Q4 2015
Shares 16,781 Value ($000) $1,168 Avg Close — Range —
Q3 2015
Shares 16,515 Value ($000) $1,150 Avg Close — Range —
Q2 2015
Shares 16,036 Value ($000) $1,035 Avg Close — Range —
Q1 2015
Shares 14,372 Value ($000) $929 Avg Close — Range —
Q4 2014
Shares 13,206 Value ($000) $934 Avg Close — Range —
Q3 2014
Shares 14,384 Value ($000) $1,034 Avg Close — Range —
Q2 2014
Shares 23,465 Value ($000) $1,745 Avg Close — Range —
Q1 2014
Shares 19,508 Value ($000) $1,341 Avg Close — Range —
Q4 2013
Shares 15,720 Value ($000) $1,026 Avg Close — Range —
Q3 2013
Shares 14,461 Value ($000) $854 Avg Close — Range —
Q2 2013
Shares 15,848 Value ($000) $899 Avg Close — Range —