WESTERN REFNG INC

CUSIP: 959319104 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q1 2017
Shares 3,192,442 Value ($000) $111,958 Avg Close — Range —
Q4 2016
Shares 3,197,585 Value ($000) $121,032 Avg Close — Range —
Q3 2016
Shares 2,607,138 Value ($000) $68,978 Avg Close — Range —
Q2 2016
Shares 2,499,139 Value ($000) $51,557 Avg Close — Range —
Q1 2016
Shares 2,207,295 Value ($000) $64,208 Avg Close — Range —
Q4 2015
Shares 2,022,837 Value ($000) $72,051 Avg Close — Range —
Q3 2015
Shares 2,274,051 Value ($000) $100,330 Avg Close — Range —
Q2 2015
Shares 2,244,693 Value ($000) $97,911 Avg Close — Range —
Q1 2015
Shares 2,208,503 Value ($000) $109,078 Avg Close — Range —
Q4 2014
Shares 2,873,229 Value ($000) $108,552 Avg Close — Range —
Q3 2014
Shares 3,089,042 Value ($000) $129,712 Avg Close — Range —
Q2 2014
Shares 3,370,359 Value ($000) $126,559 Avg Close — Range —
Q1 2014
Shares 3,541,591 Value ($000) $136,704 Avg Close — Range —
Q4 2013
Shares 3,550,019 Value ($000) $150,552 Avg Close — Range —
Q3 2013
Shares 4,227,045 Value ($000) $126,980 Avg Close — Range —
Q2 2013
Shares 4,718,709 Value ($000) $132,455 Avg Close — Range —