X0306 4 2012-12-17 0000078460 PIEDMONT NATURAL GAS CO INC PNY 0001368018 Simon Jose M PO BOX 33068 CHARLOTTE NC 28233 1 Vice President Common Stock 2012-12-17 4 A 0 1370 31.42 A 16144.397 D Common Stock 1273.23 I By 401(k) Common Stock 408.1 I By Spouse Shares issued upon vesting of 2012 LTIP Award under registrant's Incentive Compensation Plan. Includes 3299 equity units under a previously reported Retention Award vesting on December 15, 2013, provided that the reporting person is an employee on that date. The vested award is payable in the form of one share of common stock per equity unit. /s/ Judy Z. Mayo by limited power of attorney for Jose M. Simon 2012-12-19