WISCONSIN ENERGY CORP

CUSIP: 976657106 Class: COM

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q1 2015
Shares 15,000 Value ($000) $743 Avg Close — Range —
Q4 2014
Shares 15,000 Value ($000) $791 Avg Close — Range —
Q3 2014
Shares 15,000 Value ($000) $645 Avg Close — Range —
Q2 2014
Shares 16,000 Value ($000) $751 Avg Close — Range —
Q1 2014
Shares 22,000 Value ($000) $1,024 Avg Close — Range —
Q4 2013
Shares 32,000 Value ($000) $1,323 Avg Close — Range —
Q3 2013
Shares 32,000 Value ($000) $1,292 Avg Close — Range —
Q2 2013
Shares 73,000 Value ($000) $2,992 Avg Close — Range —