NATIONAL GRID PLC

Ticker: NGG CUSIP: 636274409 Class: SPONSORED ADR NE

Liberty Mutual Group Asset Management Inc.'s Holding History (CIK: 0001533497)

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

Q2 2018

Shares 12,000 Value ($000) $670 Avg Close — Range —

Q4 2017

Shares 7,900 Value ($000) $465 Avg Close — Range —

Q3 2017

Shares 7,900 Value ($000) $495 Avg Close — Range —

Q2 2017

Shares 7,900 Value ($000) $496 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	12,000	$670	—	—
Q4 2017	7,900	$465	—	—
Q3 2017	7,900	$495	—	—
Q2 2017	7,900	$496	—	—