NATIONAL GRID PLC

CUSIP: 636274300 Class: SPONSORED ADR NE

Mariner, LLC's Holding History (CIK: 0001373442)

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

Q1 2017
Shares 5,600 Value ($000) $355 Avg Close — Range —
Q4 2015
Shares 3,000 Value ($000) $209 Avg Close — Range —
Q3 2015
Shares 3,000 Value ($000) $209 Avg Close — Range —