INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q1 2015
Shares 99,123 Value ($000) $7,139 Avg Close — Range —
Q4 2014
Shares 99,523 Value ($000) $7,748 Avg Close — Range —
Q3 2014
Shares 111,323 Value ($000) $7,216 Avg Close — Range —
Q2 2014
Shares 105,323 Value ($000) $7,492 Avg Close — Range —
Q1 2014
Shares 112,123 Value ($000) $6,688 Avg Close — Range —
Q4 2013
Shares 109,723 Value ($000) $5,970 Avg Close — Range —
Q3 2013
Shares 112,823 Value ($000) $6,306 Avg Close — Range —
Q2 2013
Shares 109,423 Value ($000) $6,405 Avg Close — Range —