WESTMORELAND COAL CO

CUSIP: 960878106 Class: COM

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

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

Q2 2017
Shares 12,400 Value ($000) $81 Avg Close — Range —
Q1 2017
Shares 25,000 Value ($000) $363 Avg Close — Range —
Q4 2016
Shares 25,000 Value ($000) $442 Avg Close — Range —
Q3 2016
Shares 25,000 Value ($000) $222 Avg Close — Range —
Q2 2016
Shares 25,000 Value ($000) $238 Avg Close — Range —
Q1 2016
Shares 12,400 Value ($000) $89 Avg Close — Range —