On May 27, 2022, Christopher W. Wright, Senior Vice President, a named executive officer, and former Vice President, General Counsel and Secretary, retired from his service as an employee of Alto Ingredients, Inc. Mr. Wright entered into a one-year Consulting Agreement with the Company effective May 28, 2022 to provide advice and consultation as requested from time to time by the Company's Chief Executive Officer, Chief Financial Officer or General Counsel. Mr. Wright is to receive a biweekly retainer of $5,000 for his services under the Consulting Agreement.