WISCONSIN ENERGY CORP

CUSIP: 976657106 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q1 2015
Shares 312,383 Value ($000) $15,463 Avg Close — Range —
Q4 2014
Shares 328,902 Value ($000) $17,346 Avg Close — Range —
Q3 2014
Shares 328,202 Value ($000) $14,113 Avg Close — Range —
Q2 2014
Shares 333,386 Value ($000) $15,642 Avg Close — Range —
Q1 2014
Shares 347,186 Value ($000) $16,162 Avg Close — Range —
Q4 2013
Shares 355,276 Value ($000) $14,687 Avg Close — Range —
Q3 2013
Shares 374,952 Value ($000) $15,141 Avg Close — Range —
Q2 2013
Shares 372,701 Value ($000) $15,277 Avg Close — Range —