PIEDMONT NAT GAS INC

CUSIP: 720186105 Class: COM

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

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

Q2 2016
Shares 16,000 Value ($000) $962 Avg Close — Range —
Q1 2016
Shares 16,500 Value ($000) $987 Avg Close — Range —
Q4 2015
Shares 23,300 Value ($000) $1,329 Avg Close — Range —
Q3 2015
Shares 23,300 Value ($000) $934 Avg Close — Range —
Q2 2015
Shares 20,200 Value ($000) $713 Avg Close — Range —
Q1 2015
Shares 23,200 Value ($000) $856 Avg Close — Range —
Q4 2014
Shares 18,500 Value ($000) $729 Avg Close — Range —
Q3 2014
Shares 18,500 Value ($000) $620 Avg Close — Range —
Q2 2014
Shares 35,000 Value ($000) $1,309 Avg Close — Range —
Q1 2014
Shares 28,000 Value ($000) $991 Avg Close — Range —
Q4 2013
Shares 16,000 Value ($000) $531 Avg Close — Range —
Q3 2013
Shares 63,500 Value ($000) $2,088 Avg Close — Range —
Q2 2013
Shares 29,400 Value ($000) $992 Avg Close — Range —