WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q1 2018
Shares 142,370 Value ($000) $7,487 Avg Close — Range —
Q4 2017
Shares 142,371 Value ($000) $7,517 Avg Close — Range —
Q3 2017
Shares 111,893 Value ($000) $5,550 Avg Close — Range —
Q2 2017
Shares 84,129 Value ($000) $4,461 Avg Close — Range —
Q1 2017
Shares 4,159 Value ($000) $226 Avg Close — Range —
Q4 2016
Shares 5,343 Value ($000) $301 Avg Close — Range —
Q3 2016
Shares 6,862 Value ($000) $389 Avg Close — Range —
Q2 2016
Shares 7,122 Value ($000) $399 Avg Close — Range —
Q1 2016
Shares 6,851 Value ($000) $340 Avg Close — Range —
Q4 2015
Shares 6,862 Value ($000) $291 Avg Close — Range —
Q3 2015
Shares 7,036 Value ($000) $270 Avg Close — Range —