INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

VAUGHAN DAVID INVESTMENTS LLC/IL's Holding History (CIK: 0001063571)

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

Q1 2015
Shares 8,316 Value ($000) $599 Avg Close — Range —
Q4 2014
Shares 31,066 Value ($000) $2,418 Avg Close — Range —
Q3 2014
Shares 31,866 Value ($000) $2,066 Avg Close — Range —
Q2 2014
Shares 32,466 Value ($000) $2,309 Avg Close — Range —
Q1 2014
Shares 37,066 Value ($000) $2,211 Avg Close — Range —
Q4 2013
Shares 37,066 Value ($000) $2,017 Avg Close — Range —
Q3 2013
Shares 36,916 Value ($000) $2,063 Avg Close — Range —
Q2 2013
Shares 36,916 Value ($000) $2,161 Avg Close — Range —
Q1 2013
Shares 37,216 Value ($000) $2,164 Avg Close — Range —