Green Plains Facility in Superior, Iowa, Marks One Billion Gallons of Ethanol Production

Green Plains (NASDAQ: GPRE) announced that its Superior, Iowa, facility has produced its one-billionth gallon of ethanol since beginning operations.

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10/01/2026 - 09:00 AM

Milestone reflects nearly two decades of safe operations, agricultural partnership, and economic impact in Northwest Iowa

OMAHA, Neb.--(BUSINESS WIRE)-- Green Plains Inc. (NASDAQ: GPRE) today announced that its facility in Superior, Iowa, has produced its one-billionth gallon of ethanol, marking a significant milestone in the facility's nearly two decades of operation.

Commissioned in 2008, the facility was one of the first production assets in the Green Plains fleet and remains an important economic driver for Dickinson County and the surrounding region. Today, the facility employs nearly 50 team members and supports a network of local farmers, grain haulers, contractors, and agribusiness partners throughout Northwest Iowa and Southwest Minnesota.

“Producing one billion gallons of ethanol is a meaningful accomplishment that represents nearly two decades of consistent execution," said Chris Osowski, President and Chief Executive Officer of Green Plains. "Reaching this milestone requires an unwavering focus on safety, reliability, and operational excellence year after year. The facility has demonstrated that commitment throughout its history, and this milestone reflects the dedication of our team and the strong operational foundation they have built.”

The facility was originally developed by Superior Ethanol LLC under the leadership of Iowa agricultural entrepreneur and Green Plains Board Member Brian Peterson and was designed to create a dependable market for regional grain producers while supporting long-term economic growth in Northwest Iowa.

"When we first envisioned this facility, we believed it could create long-term value for local agriculture and the surrounding communities," said Brian Peterson, Green Plains Board Member and Founder of Superior Ethanol. "Nearly two decades later, this milestone shows what can happen when you invest in a strong facility, create a dependable market for local grain, and remain committed to the region for the long term."

About Green Plains Inc.

Green Plains Inc. (NASDAQ: GPRE) is a leading producer of low-carbon biofuels and value-added products. The company operates a disciplined, performance-driven platform focused on maximizing yield, lowering carbon intensity, and delivering value to stakeholders. Built at scale and designed to perform across market conditions, Green Plains is focused on delivering consistent performance through operational excellence and disciplined execution. For more information, visit www.gpreinc.com.