NATIONAL GRID PLC

Ticker: NGG CUSIP: 636274409 Class: SPONSORED ADR NE

Vontobel Holding Ltd.'s Holding History (CIK: 0001588340)

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

Q1 2023

Shares 3,744 Value ($000) $255 Avg Close — Range —

Q4 2022

Shares 3,791 Value ($000) $229 Avg Close — Range —

Q2 2022

Shares 3,590 Value ($000) $232 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	3,744	$255	—	—
Q4 2022	3,791	$229	—	—
Q2 2022	3,590	$232	—	—