INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q1 2015
Shares 121,565 Value ($000) $8,755 Avg Close — Range —
Q4 2014
Shares 73,965 Value ($000) $5,758 Avg Close — Range —
Q3 2014
Shares 76,665 Value ($000) $4,969 Avg Close — Range —
Q2 2014
Shares 77,965 Value ($000) $5,546 Avg Close — Range —
Q1 2014
Shares 77,565 Value ($000) $4,627 Avg Close — Range —
Q4 2013
Shares 84,165 Value ($000) $4,579 Avg Close — Range —
Q3 2013
Shares 85,665 Value ($000) $4,788 Avg Close — Range —
Q2 2013
Shares 83,465 Value ($000) $4,885 Avg Close — Range —