WISCONSIN ENERGY CORP

CUSIP: 976657106 Class: COM

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q1 2015
Shares 293,895 Value ($000) $14,547,803 Avg Close — Range —
Q4 2014
Shares 510,551 Value ($000) $26,926,459 Avg Close — Range —
Q3 2014
Shares 1,203,226 Value ($000) $51,739 Avg Close — Range —
Q2 2014
Shares 676,540 Value ($000) $31,743 Avg Close — Range —
Q1 2014
Shares 2,034,080 Value ($000) $94,686,424 Avg Close — Range —
Q4 2013
Shares 2,049,748 Value ($000) $84,736,583 Avg Close — Range —
Q3 2013
Shares 2,042,308 Value ($000) $82,468,398 Avg Close — Range —
Q2 2013
Shares 2,332,348 Value ($000) $95,602,945 Avg Close — Range —