WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

Grantham, Mayo, Van Otterloo & Co. LLC's Holding History (CIK: 0001352662)

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

Q1 2017
Shares 1,651,400 Value ($000) $89,621 Avg Close — Range —
Q4 2016
Shares 987,700 Value ($000) $55,657 Avg Close — Range —
Q3 2016
Shares 1,192,200 Value ($000) $67,657 Avg Close — Range —
Q2 2016
Shares 646,118 Value ($000) $36,241 Avg Close — Range —
Q2 2013
Shares 7,800 Value ($000) $249 Avg Close — Range —