WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q1 2018
Shares 134,494 Value ($000) $7,073 Avg Close — Range —
Q4 2017
Shares 98,083 Value ($000) $5,179 Avg Close — Range —
Q3 2017
Shares 91,032 Value ($000) $4,515 Avg Close — Range —
Q2 2017
Shares 96,690 Value ($000) $5,127 Avg Close — Range —
Q1 2017
Shares 93,206 Value ($000) $5,058 Avg Close — Range —
Q4 2016
Shares 89,185 Value ($000) $5,026 Avg Close — Range —
Q3 2016
Shares 41,199 Value ($000) $2,338 Avg Close — Range —
Q2 2016
Shares 40,044 Value ($000) $2,246 Avg Close — Range —
Q1 2016
Shares 33,089 Value ($000) $1,641 Avg Close — Range —
Q4 2015
Shares 28,757 Value ($000) $1,220 Avg Close — Range —
Q3 2015
Shares 26,131 Value ($000) $1,004 Avg Close — Range —
Q2 2015
Shares 18,705 Value ($000) $640 Avg Close — Range —
Q1 2015
Shares 18,275 Value ($000) $708 Avg Close — Range —
Q4 2014
Shares 16,357 Value ($000) $675 Avg Close — Range —
Q3 2014
Shares 20,191 Value ($000) $689 Avg Close — Range —
Q2 2014
Shares 14,545 Value ($000) $555 Avg Close — Range —
Q1 2014
Shares 12,775 Value ($000) $449 Avg Close — Range —
Q4 2013
Shares 10,701 Value ($000) $344 Avg Close — Range —
Q3 2013
Shares 6,888 Value ($000) $211 Avg Close — Range —