Key locations for Atlas Pipeline Mid-Continent LLC are:

• Velma Gas Processing Plant in Velma, Oklahoma
• Enville Booster Station near Enville, Oklahoma

Key locations for Atlas Pipeline Mid-Continent WestOK LLC are:

• Chaney Dell Plant in Ringwood, Oklahoma
• Chester Plant in Chester, Oklahoma
• Waynoka Plant in Alva, Oklahoma

Key locations for Atlas Pipeline WestTex are:

• WestTex Plant in Midkiff, Texas
• Benedum Plant near Midkiff, Texas

Key locations for Atlas Pipeline Mid-Continent LLC are:

• Elk City Gas Processing Plant in Elk City, Oklahoma
• Sweetwater Gas Processing Plant near Sayre, Oklahoma
• Prentiss Treater near Sayre, Oklahoma

Key locations for Ozark Gas Transmission are:

• Atlas Arkansas Pipeline operated out of Fort Smith, Arkansas