WISCONSIN ENERGY CORP

CUSIP: 976657106 Class: COM

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q1 2015
Shares 6,700 Value ($000) $332 Avg Close — Range —
Q4 2014
Shares 7,800 Value ($000) $411 Avg Close — Range —
Q3 2014
Shares 7,800 Value ($000) $335 Avg Close — Range —
Q2 2014
Shares 7,800 Value ($000) $366 Avg Close — Range —
Q1 2014
Shares 7,800 Value ($000) $363 Avg Close — Range —
Q4 2013
Shares 7,600 Value ($000) $314 Avg Close — Range —
Q3 2013
Shares 7,600 Value ($000) $307 Avg Close — Range —