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Chisholm Oil and Gas, LLC and Gastar Exploration LLC Announce Strategic Combination to Create Leading STACK E&P Company

Vinson & Elkins advised Chisholm Oil and Gas, LLC (“Chisholm”) in entering into definitive agreements with Gastar Exploration LLC (“Gastar”) to create a leading STACK E&P company through a business combination between the two companies. The combined company, which will operate under the name Chisholm Oil and Gas and be headquartered in Tulsa, will have net production of approximately 20,000 Boe per day and a combined acreage position of approximately 165,000 net acres, primarily in Kingfisher County, Oklahoma.

The V&E team was led by corporate partners Jim Fox, Dan Komarek, David Cohen, John Grand, senior associate Abby Branigan and associate Patrick Whelan, with assistance from Matt Usdin, Matt Hortenstine, David Peck, Miron Klimkowski, Sean Becker, Stephen Jacobson, Steve Abramowitz, John Decker and Matt Stammel.

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