Natural gas vehicle (NGV) use is growing

¡¡ More than 15.2 million NGVs operate worldwide

¡¡ More than 150,000 NGVs operate in the United States

Natural gas is now more widely available:

¡¡ More than 1,300 natural gas fast-fill stations are operating in the United States

¡¡ Stations are located mostly in the West (California, Utah and Arizona) and in New England

NGV fueling systems are safe

¡¡ Natural gas is lighter than air, so spills cannot contaminate groundwater supplies

¡¡ NGV storage tanks are thicker than the average gasoline tank

The benefits of natural gas for vehicles

¡¡ Fewer emissions

¡¡ Safe fuel source

¡¡ Economical alternative to gasoline

¡¡ Abundant, domestically available source

– over –

Natural Gas Vehicles

©2017 Duke Energy Corporation 170251 2/17

Piedmont’s Fueling Stations

Piedmont Natural Gas operates a network of 10 publicly accessible natural gas fi lling stations within our three-state service area in the Carolinas and Tennessee. The company is building its 11th public compressed natural gas (CNG) station, on Interstate 40 in Hickory, N.C., and building stations for private users as well. These stations provide CNG for fl eets and personal NGVs.

Current CNG prices by state (as of Jan. 1, 2017)

North Carolina$2.03 per gasoline gallon

equivalent (GGE)*

South Carolina$1.87 per GGE*

Tennessee$1.74 per GGE*

*Prices shown are based on current approved rates at Piedmont’s public access compressed natural gas (CNG) stations. Prices are in units of gasoline gallon equivalent (GGE), the approved unit of measure for dispensed CNG. Prices include applicable federal and state excise taxes, and other taxes Piedmont Natural Gas is required to collect by government authorities. Please note: Our rates no longer include the federal CNG tax credit of $0.50/GGE.

Piedmont Natural Gas | 4720 Piedmont Row Drive, Charlotte, NC 28210 | www.piedmontng.com

Nashville

SouthCarolina

NorthCarolina

TennesseeWinston-Salem

High Point

Greensboro

Charlotte

Greenville

Spartanburg

Anderson

FayettevilleGoldsboro

Piedmont Natural Gas

*Portions may be served by other utilities.

Service TerritoryCounties Served*

Shipping Port

Major Airport

Interstate Highways

State Highways

©2016 Duke Energy Corporation 9/16

Piedmont Natural GasService Territory