 OMAHA, Neb., April 29, 2021 GLOBE NEWSWIRE -- Green Plains Inc. NASDAQ:GPRE, today announced that all four of its Nebraska biorefineries and its Shenandoah, Iowa biorefinery have entered into a long term carbon offtake agreement with Summit Carbon Solutions, a subsidiary of Summit Agricultural Group SCS. The agreement is part of an announced pipeline expansion into Nebraska of the SCS carbon capture and sequestration project that will develop the infrastructure to capture and transport CO2 for long-term deposit into geologic storage. 