WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q1 2018
Shares 160,075 Value ($000) $8,418 Avg Close — Range —
Q4 2017
Shares 167,090 Value ($000) $8,822 Avg Close — Range —
Q3 2017
Shares 171,162 Value ($000) $8,490 Avg Close — Range —
Q2 2017
Shares 242,916 Value ($000) $12,879 Avg Close — Range —
Q1 2017
Shares 215,686 Value ($000) $11,705 Avg Close — Range —
Q4 2016
Shares 135,679 Value ($000) $7,646 Avg Close — Range —
Q3 2016
Shares 117,743 Value ($000) $6,682 Avg Close — Range —
Q2 2016
Shares 74,873 Value ($000) $4,200 Avg Close — Range —
Q1 2016
Shares 98,373 Value ($000) $4,880 Avg Close — Range —
Q4 2015
Shares 102,663 Value ($000) $4,354 Avg Close — Range —
Q3 2015
Shares 105,453 Value ($000) $4,054 Avg Close — Range —
Q2 2015
Shares 101,483 Value ($000) $3,473 Avg Close — Range —
Q1 2015
Shares 97,873 Value ($000) $3,794 Avg Close — Range —
Q4 2014
Shares 100,553 Value ($000) $4,147 Avg Close — Range —
Q3 2014
Shares 94,813 Value ($000) $3,235 Avg Close — Range —
Q2 2014
Shares 94,173 Value ($000) $3,596 Avg Close — Range —
Q1 2014
Shares 90,883 Value ($000) $3,195 Avg Close — Range —
Q4 2013
Shares 90,743 Value ($000) $2,919 Avg Close — Range —
Q3 2013
Shares 93,303 Value ($000) $2,860 Avg Close — Range —
Q2 2013
Shares 100,533 Value ($000) $3,213 Avg Close — Range —