WISCONSIN ENERGY CORP

CUSIP: 976657106 Class: COM

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q1 2015
Shares 320,112 Value ($000) $15,845 Avg Close — Range —
Q4 2014
Shares 302,928 Value ($000) $15,976 Avg Close — Range —
Q3 2014
Shares 296,775 Value ($000) $12,761 Avg Close — Range —
Q2 2014
Shares 286,916 Value ($000) $13,462 Avg Close — Range —
Q1 2014
Shares 298,664 Value ($000) $13,903 Avg Close — Range —
Q4 2013
Shares 283,852 Value ($000) $11,735 Avg Close — Range —
Q3 2013
Shares 293,011 Value ($000) $11,832 Avg Close — Range —
Q2 2013
Shares 297,840 Value ($000) $12,208 Avg Close — Range —