NATIONAL GRID PLC

CUSIP: B08SNH3 Class: COM

Boston Common Asset Management, LLC's Holding History (CIK: 0001409427)

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

Q3 2016
Shares 1,110,330 Value ($000) $15,750 Avg Close — Range —
Q2 2016
Shares 1,130,995 Value ($000) $16,571 Avg Close — Range —
Q1 2016
Shares 1,484,670 Value ($000) $21,066 Avg Close — Range —
Q4 2015
Shares 1,551,660 Value ($000) $21,441 Avg Close — Range —
Q3 2015
Shares 1,131,095 Value ($000) $15,744 Avg Close — Range —
Q2 2015
Shares 1,148,595 Value ($000) $14,762 Avg Close — Range —
Q1 2015
Shares 998,380 Value ($000) $12,816 Avg Close — Range —