WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q1 2018
Shares 1,372,611 Value ($000) $72,186 Avg Close — Range —
Q4 2017
Shares 1,330,907 Value ($000) $70,271 Avg Close — Range —
Q3 2017
Shares 1,335,658 Value ($000) $66,248 Avg Close — Range —
Q2 2017
Shares 1,309,000 Value ($000) $69,402 Avg Close — Range —
Q1 2017
Shares 1,382,411 Value ($000) $75,024 Avg Close — Range —
Q4 2016
Shares 1,319,809 Value ($000) $74,370 Avg Close — Range —
Q3 2016
Shares 1,237,834 Value ($000) $70,246 Avg Close — Range —
Q2 2016
Shares 1,218,765 Value ($000) $68,360 Avg Close — Range —
Q1 2016
Shares 1,087,920 Value ($000) $53,342 Avg Close — Range —
Q4 2015
Shares 1,091,366 Value ($000) $46,284 Avg Close — Range —
Q3 2015
Shares 1,096,424 Value ($000) $42,147 Avg Close — Range —
Q2 2015
Shares 978,418 Value ($000) $33,481 Avg Close — Range —
Q1 2015
Shares 1,002,104 Value ($000) $38,841 Avg Close — Range —
Q4 2014
Shares 977,135 Value ($000) $40,297 Avg Close — Range —
Q3 2014
Shares 965,207 Value ($000) $32,933 Avg Close — Range —
Q2 2014
Shares 963,320 Value ($000) $36,789 Avg Close — Range —
Q1 2014
Shares 972,469 Value ($000) $34,192 Avg Close — Range —
Q4 2013
Shares 980,099 Value ($000) $31,530 Avg Close — Range —
Q3 2013
Shares 962,794 Value ($000) $29,510 Avg Close — Range —
Q2 2013
Shares 954,996 Value ($000) $30,521 Avg Close — Range —