X0306 4 2015-12-30 0000078460 PIEDMONT NATURAL GAS CO INC PNY 0001500704 MERLIE BRADLY A C/O PIEDMONT NATURAL GAS PO BOX 33068 CHARLOTTE NC 28233 1 Vice President Common Stock 2015-12-30 5 G 0 E 1754 0 D 12487.76 D Common Stock 1619.95 I By 401(k) Includes shares inadvertently excluded from reporting person's December 15, 2015 and December 17, 2015 Form 4 reports. /s/ Judy Z. Mayo by limited power of attorney for Bradly A. Merlie 2016-01-11