WISCONSIN ENERGY CORP

CUSIP: 976657106 Class: COM

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q4 2014
Shares 188,390 Value ($000) $9,935 Avg Close — Range —
Q3 2014
Shares 193,490 Value ($000) $8,320 Avg Close — Range —
Q2 2014
Shares 198,590 Value ($000) $9,317 Avg Close — Range —
Q1 2014
Shares 197,490 Value ($000) $9,193 Avg Close — Range —
Q4 2013
Shares 202,390 Value ($000) $8,366 Avg Close — Range —
Q3 2013
Shares 217,790 Value ($000) $8,794 Avg Close — Range —
Q2 2013
Shares 218,190 Value ($000) $8,943 Avg Close — Range —
Q1 2013
Shares 217,390 Value ($000) $9,323 Avg Close — Range —