WISCONSIN ENERGY CORP

CUSIP: 976657106 Class: COM

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q1 2015
Shares 77,614 Value ($000) $3,842 Avg Close — Range —
Q4 2014
Shares 73,589 Value ($000) $3,881 Avg Close — Range —
Q3 2014
Shares 68,181 Value ($000) $2,932 Avg Close — Range —
Q2 2014
Shares 68,335 Value ($000) $3,206 Avg Close — Range —
Q1 2014
Shares 64,620 Value ($000) $3,008 Avg Close — Range —
Q4 2013
Shares 47,077 Value ($000) $1,946 Avg Close — Range —
Q3 2013
Shares 39,277 Value ($000) $1,586 Avg Close — Range —
Q2 2013
Shares 30,978 Value ($000) $1,270 Avg Close — Range —