INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q1 2015
Shares 172,659 Value ($000) $12,435 Avg Close — Range —
Q4 2014
Shares 172,804 Value ($000) $13,453 Avg Close — Range —
Q3 2014
Shares 182,348 Value ($000) $11,820 Avg Close — Range —
Q2 2014
Shares 187,194 Value ($000) $13,315 Avg Close — Range —
Q1 2014
Shares 286,127 Value ($000) $17,067 Avg Close — Range —
Q4 2013
Shares 286,186 Value ($000) $15,571 Avg Close — Range —
Q3 2013
Shares 286,798 Value ($000) $16,029 Avg Close — Range —
Q2 2013
Shares 285,965 Value ($000) $16,738 Avg Close — Range —