WESTERN REFNG INC

CUSIP: 959319104 Class: COM

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q4 2015
Shares 22,912 Value ($000) $816 Avg Close — Range —
Q4 2014
Shares 15,859 Value ($000) $599 Avg Close — Range —
Q3 2014
Shares 15,974 Value ($000) $671 Avg Close — Range —