Duke Energy Corp

CUSIP: 26441C105 Class: COM

BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp's Holding History (CIK: 0001228242)

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

Q2 2012
Shares 1,003,289 Value ($000) $23,136 Avg Close — Range —
Q1 2012
Shares 968,655 Value ($000) $20,351 Avg Close — Range —
Q4 2011
Shares 1,028,663 Value ($000) $22,631 Avg Close — Range —
Q3 2011
Shares 930,896 Value ($000) $18,609 Avg Close — Range —