INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q1 2015
Shares 277,257 Value ($000) $22,893 Avg Close — Range —
Q4 2014
Shares 277,257 Value ($000) $22,893 Avg Close — Range —
Q3 2014
Shares 276,157 Value ($000) $17,900 Avg Close — Range —
Q2 2014
Shares 306,657 Value ($000) $21,813 Avg Close — Range —
Q1 2014
Shares 320,057 Value ($000) $19,379 Avg Close — Range —
Q4 2013
Shares 308,057 Value ($000) $16,768 Avg Close — Range —
Q3 2013
Shares 300,113 Value ($000) $16,773 Avg Close — Range —
Q2 2013
Shares 293,464 Value ($000) $17,176 Avg Close — Range —