WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

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

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

Q1 2018
Shares 907,200 Value ($000) $47,710 Avg Close — Range —
Q4 2017
Shares 922,900 Value ($000) $48,729 Avg Close — Range —
Q3 2017
Shares 906,900 Value ($000) $44,982 Avg Close — Range —
Q2 2017
Shares 898,200 Value ($000) $47,623 Avg Close — Range —
Q1 2017
Shares 997,500 Value ($000) $54,134 Avg Close — Range —
Q4 2016
Shares 870,600 Value ($000) $49,058 Avg Close — Range —
Q3 2016
Shares 392,000 Value ($000) $22,246 Avg Close — Range —
Q2 2016
Shares 396,900 Value ($000) $22,262 Avg Close — Range —
Q1 2016
Shares 235,100 Value ($000) $11,261 Avg Close — Range —
Q4 2015
Shares 186,500 Value ($000) $7,909 Avg Close — Range —
Q3 2015
Shares 176,900 Value ($000) $6,800 Avg Close — Range —
Q2 2015
Shares 154,700 Value ($000) $5,294 Avg Close — Range —
Q1 2015
Shares 150,700 Value ($000) $5,841 Avg Close — Range —
Q4 2014
Shares 148,400 Value ($000) $6,120 Avg Close — Range —
Q3 2014
Shares 144,500 Value ($000) $4,930 Avg Close — Range —
Q2 2014
Shares 147,100 Value ($000) $5,618 Avg Close — Range —
Q1 2014
Shares 142,500 Value ($000) $5,010 Avg Close — Range —
Q4 2013
Shares 110,800 Value ($000) $3,564 Avg Close — Range —
Q3 2013
Shares 110,800 Value ($000) $3,396 Avg Close — Range —
Q2 2013
Shares 116,200 Value ($000) $3,714 Avg Close — Range —