NATIONAL GRID PLC

CUSIP: 636274300 Class: SPONSORED ADR NE

CAPITAL ADVISORS INC/OK's Holding History (CIK: 0000860828)

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

Q4 2013
Shares 89,236 Value ($000) $5,828,918 Avg Close — Range —
Q3 2013
Shares 81,916 Value ($000) $4,837,161 Avg Close — Range —
Q2 2013
Shares 70,057 Value ($000) $3,970,147 Avg Close — Range —