WHITING PETE CORP NEW

CUSIP: 966387102 Class: COM

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

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

Q2 2017
Shares 250,000 Value ($000) $1,378 Avg Close — Range —
Q1 2017
Shares 2,000 Value ($000) $19 Avg Close — Range —
Q4 2016
Shares 2,000 Value ($000) $24 Avg Close — Range —
Q2 2016
Shares 50,000 Value ($000) $463 Avg Close — Range —
Q1 2016
Shares 50,000 Value ($000) $399 Avg Close — Range —
Q4 2015
Shares 45,000 Value ($000) $425 Avg Close — Range —
Q3 2015
Shares 22,620 Value ($000) $345 Avg Close — Range —
Q2 2015
Shares 56,720 Value ($000) $1,906 Avg Close — Range —
Q1 2015
Shares 61,920 Value ($000) $1,913 Avg Close — Range —
Q4 2014
Shares 45,221 Value ($000) $1,492 Avg Close — Range —
Q3 2014
Shares 41,720 Value ($000) $3,235 Avg Close — Range —
Q2 2014
Shares 42,420 Value ($000) $3,404 Avg Close — Range —
Q1 2014
Shares 42,420 Value ($000) $2,944 Avg Close — Range —
Q4 2013
Shares 42,420 Value ($000) $2,625 Avg Close — Range —
Q3 2013
Shares 40,920 Value ($000) $2,449 Avg Close — Range —
Q2 2013
Shares 41,020 Value ($000) $1,891 Avg Close — Range —