WISCONSIN ENERGY CORP

CUSIP: 976657106 Class: COM

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q1 2015
Shares 744,008 Value ($000) $42,475 Avg Close — Range —
Q4 2014
Shares 744,008 Value ($000) $42,475 Avg Close — Range —
Q3 2014
Shares 783,508 Value ($000) $33,691 Avg Close — Range —
Q2 2014
Shares 766,308 Value ($000) $35,955 Avg Close — Range —
Q1 2014
Shares 758,808 Value ($000) $35,952 Avg Close — Range —
Q4 2013
Shares 757,308 Value ($000) $31,216 Avg Close — Range —
Q3 2013
Shares 658,028 Value ($000) $26,571 Avg Close — Range —
Q2 2013
Shares 647,719 Value ($000) $26,550 Avg Close — Range —