WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

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

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

Q1 2018
Shares 303,689 Value ($000) $15,971 Avg Close — Range —
Q4 2017
Shares 353,308 Value ($000) $18,655 Avg Close — Range —
Q3 2017
Shares 333,181 Value ($000) $16,526 Avg Close — Range —
Q2 2017
Shares 303,600 Value ($000) $16,097 Avg Close — Range —
Q1 2017
Shares 319,200 Value ($000) $17,323 Avg Close — Range —
Q4 2016
Shares 344,300 Value ($000) $19,401 Avg Close — Range —
Q3 2016
Shares 352,500 Value ($000) $20,004 Avg Close — Range —
Q2 2016
Shares 367,600 Value ($000) $20,619 Avg Close — Range —
Q1 2016
Shares 386,900 Value ($000) $19,194 Avg Close — Range —
Q4 2015
Shares 395,200 Value ($000) $16,760 Avg Close — Range —
Q3 2015
Shares 399,900 Value ($000) $15,372 Avg Close — Range —
Q2 2015
Shares 372,500 Value ($000) $12,747 Avg Close — Range —
Q1 2015
Shares 397,300 Value ($000) $17,275 Avg Close — Range —
Q4 2014
Shares 397,300 Value ($000) $17,275 Avg Close — Range —
Q3 2014
Shares 381,400 Value ($000) $13,013 Avg Close — Range —
Q2 2014
Shares 384,600 Value ($000) $14,688 Avg Close — Range —
Q1 2014
Shares 375,300 Value ($000) $13,266 Avg Close — Range —
Q4 2013
Shares 376,300 Value ($000) $12,019 Avg Close — Range —
Q3 2013
Shares 344,178 Value ($000) $10,549 Avg Close — Range —
Q2 2013
Shares 331,064 Value ($000) $10,581 Avg Close — Range —