WISCONSIN ENERGY CORP

CUSIP: 976657106 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q1 2015
Shares 5,870 Value ($000) $291 Avg Close — Range —
Q4 2014
Shares 21,148 Value ($000) $1,115 Avg Close — Range —
Q3 2014
Shares 21,360 Value ($000) $918 Avg Close — Range —
Q2 2014
Shares 21,304 Value ($000) $1,000 Avg Close — Range —
Q1 2014
Shares 43,289 Value ($000) $2,015 Avg Close — Range —
Q4 2013
Shares 43,235 Value ($000) $1,787 Avg Close — Range —
Q3 2013
Shares 46,496 Value ($000) $1,878 Avg Close — Range —
Q2 2013
Shares 46,573 Value ($000) $1,909 Avg Close — Range —