WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q1 2017
Shares 464 Value ($000) $25 Avg Close — Range —
Q4 2016
Shares 554 Value ($000) $31 Avg Close — Range —
Q3 2016
Shares 554 Value ($000) $31 Avg Close — Range —
Q2 2016
Shares 674 Value ($000) $38 Avg Close — Range —
Q1 2016
Shares 917 Value ($000) $45 Avg Close — Range —
Q4 2015
Shares 1,044,899 Value ($000) $44,314 Avg Close — Range —
Q3 2015
Shares 987,813 Value ($000) $37,972 Avg Close — Range —
Q2 2015
Shares 976,689 Value ($000) $33,422 Avg Close — Range —
Q1 2015
Shares 939,605 Value ($000) $36,419 Avg Close — Range —
Q4 2014
Shares 1,175,497 Value ($000) $48,477 Avg Close — Range —
Q3 2014
Shares 1,187,165 Value ($000) $40,506 Avg Close — Range —
Q2 2014
Shares 1,159,564 Value ($000) $44,284 Avg Close — Range —
Q1 2014
Shares 1,136,709 Value ($000) $39,967 Avg Close — Range —
Q4 2013
Shares 1,057,112 Value ($000) $34,007 Avg Close — Range —
Q3 2013
Shares 941,555 Value ($000) $28,859 Avg Close — Range —
Q2 2013
Shares 863,890 Value ($000) $27,610 Avg Close — Range —