WISCONSIN ENERGY CORP

CUSIP: 976657106 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q1 2015
Shares 340,820 Value ($000) $16,871 Avg Close — Range —
Q4 2014
Shares 302,891 Value ($000) $15,979 Avg Close — Range —
Q3 2014
Shares 298,473 Value ($000) $12,834 Avg Close — Range —
Q2 2014
Shares 302,590 Value ($000) $14,197 Avg Close — Range —
Q1 2014
Shares 299,684 Value ($000) $13,947 Avg Close — Range —
Q4 2013
Shares 299,125 Value ($000) $12,366 Avg Close — Range —
Q3 2013
Shares 287,305 Value ($000) $11,600 Avg Close — Range —
Q2 2013
Shares 277,898 Value ($000) $11,391 Avg Close — Range —