IOG Resources II Announces Acquisition

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DALLAS--(BUSINESS WIRE)--Nov 5, 2025--

IOG Resources II, LLC (“IOGR II”) today announced that it has acquired producing gas assets (the “Assets”) in Appalachia from an undisclosed seller. The Assets are operated by Seneca Resources, an affiliate of National Fuel Gas (NYSE: NFG) and consist of non-operated wellbores primarily located in Clearfield, Elk and McKean counties, Pennsylvania. Current net production is approximately 19 mmcfd. This acquisition represents the seventh investment in IOGR II and the nineteenth investment for the IOG Resources platform. Gibson, Dunn & Crutcher LLP acted as legal counsel to IOGR II.

About IOG Resources

IOG Resources is a Texas-based energy investment platform formed in 2014 and sponsored by First Reserve since 2017. Together, IOG Resources and First Reserve are focused on investing in producing non-operated oil & gas assets and structured drilling capital in North America. For more information, please visit www.iogresources.com.

About First Reserve

First Reserve is a leading private equity firm investing in Infrastructure Solutions, Value-Added Infrastructure and Resources strategies with exposure across energy, utility and industrial markets. Founded in 1983, First Reserve has more than 40 years of industry insight and has cultivated a differentiated network of relationships and portfolio exposure. Since inception, First Reserve has raised over $34 billion of aggregate capital and has developed operational experience built from over 750 transactions, including platform investments and add-on acquisitions. For more information, please visit www.firstreserve.com.

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IOG Resources II, LLC - 214-272-2990

KEYWORD: TEXAS UNITED STATES NORTH AMERICA

INDUSTRY KEYWORD: FINANCE OIL/GAS ENERGY PROFESSIONAL SERVICES ASSET MANAGEMENT

SOURCE: IOG Resources II, LLC

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PUB: 11/05/2025 09:00 AM/DISC: 11/05/2025 09:00 AM

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