Green Plains Inc. stock is traded under the symbol GPRE on the NASDAQ Stock Market.

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Computershare Investor Services, LLC

Contacting Computershare

Please direct your inquiries and transaction requests to Computershare using the options listed below:

Telephone inquiries:
1-800-962-4284 (US,Canada & Puerto Rico)
1-781-575-3120 (non U.S.)

E-mail inquiries:

Written requests:
P.O. Box 505000
Louisville, KY 40233

By overnight delivery:
462 South 4th Street, Suite 1600
Louisville, KY 40202

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