WISCONSIN ENERGY CORP

CUSIP: 976657106 Class: COM

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q1 2015
Shares 57,238 Value ($000) $2,833 Avg Close — Range —
Q4 2014
Shares 57,056 Value ($000) $3,009 Avg Close — Range —
Q3 2014
Shares 57,179 Value ($000) $2,459 Avg Close — Range —
Q2 2014
Shares 59,331 Value ($000) $2,784 Avg Close — Range —
Q1 2014
Shares 64,060 Value ($000) $2,982 Avg Close — Range —
Q4 2013
Shares 64,088 Value ($000) $2,649 Avg Close — Range —
Q3 2013
Shares 69,517 Value ($000) $2,807 Avg Close — Range —
Q2 2013
Shares 69,665 Value ($000) $2,856 Avg Close — Range —