The Grissoms, LLC v. Antero Resources Corporation

In 2025, a class action lawsuit, styled as The Grissoms, LLC v. Antero Resources Corporation, was brought on behalf of people and companies who executed certain oil and gas leases with Antero for mineral interests underlying an Antero-owned well in the Seneca System in Ohio. The lawsuit alleges Antero violated these leases by wrongly deducting processing and fractionating costs from royalties on marketable natural gas and natural gas liquids (NGLs) sales for production months June 2023 through March 2025. Antero denies it did anything wrong.

This purpose of this Notice and website is to advise of a settlement in this class action lawsuit. This website provides a summary of the terms of the proposed settlement agreement, explains what rights class members have, and helps class members make informed decisions about what action to take.