WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q1 2018
Shares 622,513 Value ($000) $32,738 Avg Close — Range —
Q4 2017
Shares 1,189,509 Value ($000) $62,806 Avg Close — Range —
Q3 2017
Shares 1,304,583 Value ($000) $64,707 Avg Close — Range —
Q2 2017
Shares 1,356,496 Value ($000) $71,921 Avg Close — Range —
Q1 2017
Shares 1,356,796 Value ($000) $73,633 Avg Close — Range —
Q4 2016
Shares 1,356,796 Value ($000) $76,455 Avg Close — Range —
Q3 2016
Shares 1,382,096 Value ($000) $78,434 Avg Close — Range —
Q2 2016
Shares 1,709,663 Value ($000) $95,895 Avg Close — Range —
Q2 2014
Shares 10,301 Value ($000) $393 Avg Close — Range —
Q4 2013
Shares 88,753 Value ($000) $2,855 Avg Close — Range —
Q3 2013
Shares 300,152 Value ($000) $9,200 Avg Close — Range —
Q2 2013
Shares 197,303 Value ($000) $6,306 Avg Close — Range —