NATIONAL GRID PLC

CUSIP: 636274300 Class: SPONSORED ADR NE

Capital World Investors's Holding History (CIK: 0001422849)

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

Q3 2014
Shares 2,025,000 Value ($000) $145,557 Avg Close — Range —
Q2 2014
Shares 2,025,000 Value ($000) $150,620 Avg Close — Range —
Q1 2014
Shares 2,570,000 Value ($000) $176,662 Avg Close — Range —
Q4 2013
Shares 2,650,000 Value ($000) $173,098 Avg Close — Range —
Q3 2013
Shares 2,650,000 Value ($000) $156,483 Avg Close — Range —
Q2 2013
Shares 2,650,000 Value ($000) $150,176 Avg Close — Range —