WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

BOKF, NA's Holding History (CIK: 0000009634)

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

Q1 2018
Shares 4,208 Value ($000) $221 Avg Close — Range —
Q4 2017
Shares 5,007 Value ($000) $264 Avg Close — Range —
Q3 2017
Shares 4,835 Value ($000) $240 Avg Close — Range —
Q2 2017
Shares 5,719 Value ($000) $303 Avg Close — Range —
Q1 2017
Shares 12,415 Value ($000) $674 Avg Close — Range —
Q4 2016
Shares 13,317 Value ($000) $750 Avg Close — Range —
Q3 2016
Shares 6,535 Value ($000) $371 Avg Close — Range —
Q2 2016
Shares 4,725 Value ($000) $265 Avg Close — Range —
Q1 2016
Shares 50,533 Value ($000) $2,507 Avg Close — Range —
Q4 2015
Shares 52,069 Value ($000) $2,208 Avg Close — Range —
Q3 2015
Shares 51,558 Value ($000) $1,982 Avg Close — Range —
Q2 2015
Shares 52,805 Value ($000) $1,807 Avg Close — Range —
Q1 2015
Shares 52,382 Value ($000) $2,030 Avg Close — Range —
Q4 2014
Shares 48,054 Value ($000) $1,982 Avg Close — Range —
Q3 2014
Shares 52,352 Value ($000) $1,786 Avg Close — Range —
Q2 2014
Shares 50,654 Value ($000) $1,935 Avg Close — Range —