NATIONAL GRID PLC

CUSIP: 636274300 Class: SPONSORED ADR NE

Grantham, Mayo, Van Otterloo & Co. LLC's Holding History (CIK: 0001352662)

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

Q3 2016

Shares 25,900 Value ($000) $1,842 Avg Close — Range —

Q2 2016

Shares 28,200 Value ($000) $2,096 Avg Close — Range —

Q1 2016

Shares 40,300 Value ($000) $2,878 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	25,900	$1,842	—	—
Q2 2016	28,200	$2,096	—	—
Q1 2016	40,300	$2,878	—	—