NATIONAL GRID PLC

CUSIP: 636274300 Class: SPONSORED ADR NE

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q2 2015
Shares 26,928 Value ($000) $1,739 Avg Close — Range —
Q1 2015
Shares 4,730 Value ($000) $306 Avg Close — Range —
Q2 2014
Shares 46,464 Value ($000) $3,456 Avg Close — Range —
Q1 2014
Shares 46,879 Value ($000) $3,222 Avg Close — Range —
Q3 2013
Shares 167,326 Value ($000) $9,881 Avg Close — Range —
Q2 2013
Shares 56,769 Value ($000) $3,217 Avg Close — Range —