NATIONAL GRID PLC

Ticker: NGG CUSIP: 636274409 Class: SPONSORED ADR NE

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2018
Shares 1,230 Value ($000) $59 Avg Close — Range —
Q1 2018
Shares 340 Value ($000) $19 Avg Close — Range —