NATIONAL GRID PLC

CUSIP: 636274300 Class: SPONSORED ADR NE

VAUGHAN DAVID INVESTMENTS LLC/IL's Holding History (CIK: 0001063571)

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

Q1 2017
Shares 267,012 Value ($000) $16,950 Avg Close — Range —
Q4 2016
Shares 260,562 Value ($000) $15,199 Avg Close — Range —
Q3 2016
Shares 249,392 Value ($000) $17,734 Avg Close — Range —
Q2 2016
Shares 244,587 Value ($000) $18,180 Avg Close — Range —
Q1 2016
Shares 242,635 Value ($000) $17,329 Avg Close — Range —
Q4 2015
Shares 249,925 Value ($000) $17,380 Avg Close — Range —
Q3 2015
Shares 245,750 Value ($000) $17,112 Avg Close — Range —
Q2 2015
Shares 241,900 Value ($000) $15,619 Avg Close — Range —
Q1 2015
Shares 225,500 Value ($000) $14,570 Avg Close — Range —