Duke Energy Corp

CUSIP: 26441C105 Class: COM

SECURIAN ASSET MANAGEMENT, INC's Holding History (CIK: 0001035350)

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

Q2 2012
Shares 123,777 Value ($000) $2,854 Avg Close — Range —
Q1 2012
Shares 153,775 Value ($000) $3,231 Avg Close — Range —
Q4 2011
Shares 121,071 Value ($000) $2,664 Avg Close — Range —
Q3 2011
Shares 118,586 Value ($000) $2,371 Avg Close — Range —