INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

AMICA MUTUAL INSURANCE CO's Holding History (CIK: 0000857508)

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

Q1 2015
Shares 8,225 Value ($000) $592 Avg Close — Range —
Q4 2014
Shares 8,225 Value ($000) $640 Avg Close — Range —
Q3 2014
Shares 8,225 Value ($000) $533 Avg Close — Range —
Q2 2014
Shares 8,225 Value ($000) $585 Avg Close — Range —
Q1 2014
Shares 8,225 Value ($000) $491 Avg Close — Range —
Q4 2013
Shares 8,225 Value ($000) $448 Avg Close — Range —
Q3 2013
Shares 8,225 Value ($000) $460 Avg Close — Range —
Q2 2013
Shares 8,225 Value ($000) $481 Avg Close — Range —