WESTAR ENERGY INC

CUSIP: 95709T10 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q1 2016
Shares 322,625 Value ($000) $16,005 Avg Close — Range —
Q1 2014
Shares 39,766 Value ($000) $1,398 Avg Close — Range —