Green Plains Inc. (NASDAQ: GPRE) today announced the appointment of Allan Williams as General Counsel and Corporate Secretary, effective November 2, 2026. Williams has served as interim General Counsel since August 2026, providing continuity and leadership across the company’s legal function while supporting a number of key business and strategic priorities.

“Allan has stepped in and made an immediate impact at Green Plains,” said Chris Osowski, President and Chief Executive Officer. “He knows our business, understands the ethanol industry, and brings the practical legal and transaction experience we need to help us thoughtfully evaluate opportunities to create shareholder value as our financial flexibility increases. He has earned the confidence of our leadership team, and I’m pleased to have him in this role.”

Williams brings extensive legal, corporate development and transaction experience, with deep familiarity with the ethanol and renewable energy industries. Most recently, he was a partner at Husch Blackwell LLP, where his practice included mergers and acquisitions, financing, real estate, and general corporate matters. Earlier in his career at the firm, he advised a publicly traded ethanol producer on financing transactions and worked on renewable energy projects.

He also held corporate development and legal roles at Hormel Foods and led M&A compliance efforts at Amazon. Williams earned his Juris Doctor, magna cum laude, from the University of Minnesota Law School and his Bachelor of Science in Business Administration, magna cum laude, from Creighton University.

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.

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