X0306 4 2015-12-15 0 0000078460 PIEDMONT NATURAL GAS CO INC PNY 0001364462 Lewis-Raymond Jane R P.O. BOX 33068 CHARLOTTE NC 28233 0 1 0 0 Senior Vice President Common Stock 2015-12-15 4 A 0 8527 0 A 45660.4 D Issued as accelerated vesting of 2016 LTIP Award and 2017 LTIP Award under registrant's Incentive Compensation Plan. These shares are restricted, subject to full or partial cancellation under certain circumstances and for such period as described in the form of Share Repayment Agreement filed by the registrant in a Form 8-K on December 16, 2015. Shares were valued at closing price of $56.85 on December 14, 2015, which was the day prior to vesting. This number does not include 2,104.93 shares that are held indirectly by Ms. Lewis-Raymond in her 401(k) account. /s/ Judy Z. Mayo by limited power of attorney for Jane R. Lewis-Raymond 2015-12-17