WISCONSIN ENERGY CORP

CUSIP: 976657106 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q1 2015
Shares 426,060 Value ($000) $21,090 Avg Close — Range —
Q4 2014
Shares 389,580 Value ($000) $20,546 Avg Close — Range —
Q3 2014
Shares 387,170 Value ($000) $16,648 Avg Close — Range —
Q2 2014
Shares 381,970 Value ($000) $17,922 Avg Close — Range —
Q1 2014
Shares 361,570 Value ($000) $16,831 Avg Close — Range —
Q4 2013
Shares 367,880 Value ($000) $15,208 Avg Close — Range —
Q3 2013
Shares 359,870 Value ($000) $14,532 Avg Close — Range —
Q2 2013
Shares 363,598 Value ($000) $14,904 Avg Close — Range —