WESTERN REFNG INC

CUSIP: 959319104 Class: COM

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q1 2017
Shares 57,540 Value ($000) $2,018 Avg Close — Range —
Q4 2016
Shares 59,400 Value ($000) $2,248 Avg Close — Range —
Q3 2016
Shares 54,700 Value ($000) $1,447 Avg Close — Range —
Q2 2016
Shares 42,700 Value ($000) $881 Avg Close — Range —
Q1 2016
Shares 32,200 Value ($000) $937 Avg Close — Range —
Q4 2015
Shares 35,400 Value ($000) $1,261 Avg Close — Range —
Q3 2015
Shares 23,500 Value ($000) $1,037 Avg Close — Range —
Q2 2015
Shares 23,500 Value ($000) $1,025 Avg Close — Range —
Q1 2015
Shares 28,800 Value ($000) $1,422 Avg Close — Range —
Q4 2014
Shares 71,100 Value ($000) $2,686 Avg Close — Range —
Q3 2014
Shares 21,200 Value ($000) $890 Avg Close — Range —
Q2 2014
Shares 21,200 Value ($000) $796 Avg Close — Range —
Q1 2014
Shares 21,200 Value ($000) $818 Avg Close — Range —
Q4 2013
Shares 21,200 Value ($000) $899 Avg Close — Range —
Q3 2013
Shares 20,900 Value ($000) $628 Avg Close — Range —
Q2 2013
Shares 20,900 Value ($000) $587 Avg Close — Range —