NATIONAL GRID PLC

CUSIP: 636274300 Class: SPONSORED ADR NE

Thomas J. Herzfeld Advisors, Inc.'s Holding History (CIK: 0001509510)

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

Q4 2016
Shares 428 Value ($000) $25 Avg Close — Range —
Q3 2016
Shares 428 Value ($000) $30 Avg Close — Range —
Q2 2016
Shares 428 Value ($000) $32 Avg Close — Range —
Q1 2016
Shares 428 Value ($000) $31 Avg Close — Range —
Q4 2015
Shares 428 Value ($000) $30 Avg Close — Range —