Earthstone Energy has entered into an agreement to acquire Novo Oil & Gas Holdings, a privately-held Delaware Basin focused E&P company backed by EnCap Investments, for $1.5 billion. Concurrently, Northern Oil and Gas, Inc. will acquire working interests equal to a pro-rata 33 1/3% of the oil and gas assets of Novo for $0.5 billion from Earthstone, resulting in a $1.0 billion purchase price net to Earthstone for the retained 66 2/3% interest.