NATIONAL GRID PLC

CUSIP: 636274300 Class: SPONSORED ADR NE

Texas Yale Capital Corp.'s Holding History (CIK: 0001332342)

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

Q1 2017
Shares 7,130 Value ($000) $453 Avg Close — Range —
Q4 2016
Shares 7,130 Value ($000) $416 Avg Close — Range —
Q3 2016
Shares 21,704 Value ($000) $1,543 Avg Close — Range —
Q2 2016
Shares 21,704 Value ($000) $1,613 Avg Close — Range —
Q1 2016
Shares 15,424 Value ($000) $1,102 Avg Close — Range —
Q4 2015
Shares 15,424 Value ($000) $1,073 Avg Close — Range —
Q3 2015
Shares 15,072 Value ($000) $1,049 Avg Close — Range —
Q2 2015
Shares 14,077 Value ($000) $909 Avg Close — Range —
Q1 2015
Shares 13,887 Value ($000) $897 Avg Close — Range —
Q4 2014
Shares 11,477 Value ($000) $811 Avg Close — Range —
Q3 2014
Shares 3,995 Value ($000) $287 Avg Close — Range —
Q2 2014
Shares 2,835 Value ($000) $211 Avg Close — Range —