WESTAR ENERGY INC

CUSIP: 95709T100 Class: COMMON STOCK

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q4 2014
Shares 135,299 Value ($000) $5,580,000 Avg Close — Range —
Q2 2014
Shares 486,753 Value ($000) $18,589,000 Avg Close — Range —
Q1 2014
Shares 482,050 Value ($000) $16,949,000 Avg Close — Range —
Q4 2013
Shares 497,605 Value ($000) $16,008,000 Avg Close — Range —
Q3 2013
Shares 436,500 Value ($000) $13,379,000 Avg Close — Range —
Q2 2013
Shares 406,882 Value ($000) $13,004,000 Avg Close — Range —