WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q1 2018
Shares 57,464 Value ($000) $3,003 Avg Close — Range —
Q4 2017
Shares 52,200 Value ($000) $2,756 Avg Close — Range —
Q3 2017
Shares 44,200 Value ($000) $2,192 Avg Close — Range —
Q2 2017
Shares 45,200 Value ($000) $2,396 Avg Close — Range —
Q1 2017
Shares 47,200 Value ($000) $2,562 Avg Close — Range —
Q4 2016
Shares 50,200 Value ($000) $2,829 Avg Close — Range —
Q3 2016
Shares 45,200 Value ($000) $2,565 Avg Close — Range —
Q2 2016
Shares 44,200 Value ($000) $2,479 Avg Close — Range —
Q1 2016
Shares 44,200 Value ($000) $2,193 Avg Close — Range —
Q4 2015
Shares 44,200 Value ($000) $1,875 Avg Close — Range —
Q3 2015
Shares 52,400 Value ($000) $2,002 Avg Close — Range —
Q2 2015
Shares 52,400 Value ($000) $1,793 Avg Close — Range —
Q1 2015
Shares 52,400 Value ($000) $2,031 Avg Close — Range —
Q4 2014
Shares 45,900 Value ($000) $1,893 Avg Close — Range —
Q3 2014
Shares 48,800 Value ($000) $1,665 Avg Close — Range —
Q2 2014
Shares 65,870 Value ($000) $2,516 Avg Close — Range —
Q1 2014
Shares 45,900 Value ($000) $1,614 Avg Close — Range —
Q4 2013
Shares 45,900 Value ($000) $1,477 Avg Close — Range —
Q3 2013
Shares 55,800 Value ($000) $1,710 Avg Close — Range —
Q2 2013
Shares 107,270 Value ($000) $3,428 Avg Close — Range —