First Quarter 2026 Earnings Call - April 30, 2026 - 9:00 AM MT
World's Second-Largest Gas Field
The Devonian-age Marcellus shale extends nearly 100,000 square miles of the Appalachian basin. It is estimated to contain approximately 410 trillion cubic feet of natural gas, making it the world's second-largest natural gas find.
Marcellus Assets by the Numbers
Antero Resources holds over 850,000 acres in northern West Virginia, at the core of the Marcellus Shale play.
850,000
Net acres located primarily in northern West Virginia
1,500
Producing horizontal wells in operation
2,000+
Undeveloped core drilling locations
As of Dec. 31, 2025 • 2025 10-K