Alto Ingredients shareholders elect five directors, approve say-on-pay and stock plan increase

Proposal Two : To approve the 2022 compensation of the Company’s named executive officers, as disclosed in the proxy statement pursuant to the compensation disclosure rules of the Securities and Exchange Commission (“say-on-pay”). Total Votes For 31,475,018 Against 6,076,809 Abstain 184,316 Broker Non-Votes 15,616,443

Proposal One : To elect five directors to serve on the Company’s board of directors until the next annual meeting of stockholders and/or until their successors are duly elected and qualified. The nominees for election were Michael D. Kandris, Maria G. Gray, Douglas L. Kieta, Gilbert E. Nathan and Dianne S. Nury. The following nominees were elected by the votes indicated to serve as directors until the next annual meeting of stockholders and/or until their successors are duly elected and qualified: Name Total Votes for Director Total Votes Withheld from Director Total Broker Non-Votes Michael D. Kandris 36,734,265 1,001,878 15,616,443 Maria G. Gray 36,785,440 950,703 15,616,443 Douglas L. Kieta 33,519,763 4,216,380 15,616,443 Gilbert E. Nathan 36,465,430 1,270,713 15,616,443 Dianne S. Nury 35,181,727 2,554,416 15,616,443

Proposal Three : To approve an amendment to the Company’s 2016 Stock Incentive Plan to increase the number of shares of common stock authorized for issuance under the plan from 8,900,000 shares to 11,400,000 shares. Total Votes For 28,316,771 Against 9,337,222 Abstain 82,150 Broker Non-Votes 15,616,443

Proposal Four : To ratify the appointment of RSM US LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2023. Total Votes For 51,746,796 Against 1,152,716 Abstain 453,074 Broker Non-Votes N/A