WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q3 2017
Shares 60 Value ($000) $2 Avg Close — Range —
Q2 2017
Shares 2,226 Value ($000) $118 Avg Close — Range —
Q1 2017
Shares 1,697 Value ($000) $92 Avg Close — Range —
Q3 2016
Shares 10,162 Value ($000) $576 Avg Close — Range —
Q2 2016
Shares 27,339 Value ($000) $1,533 Avg Close — Range —
Q4 2015
Shares 1,017 Value ($000) $43 Avg Close — Range —
Q1 2015
Shares 1 Value ($000) $0 Avg Close — Range —