Devon Energy (NYSE: DVN) announced today it has entered into a definitive purchase agreement to acquire the Williston Basin business of Grayson Mill Energy in a transaction valued at $5 billion, consisting of $3.25 billion of cash and $1.75 billion of stock to the sellers. The transaction is subject to customary terms and conditions, including various purchase price adjustments, and is expected to close by the end of the third quarter of 2024, with an effective date of June 1, 2024.