Alto Ingredients (ALTO) Proxy filing summary

Executive summary

• Annual meeting scheduled for June 23, 2026, at company headquarters in Pekin, IL, with voting available online, by phone, mail, or in person.

• Proxy materials, including the Proxy Statement and Form 10-K, are accessible online, with options for electronic or paper delivery.

• Proxies may be revoked at any time before voting by written notice, subsequent proxy, or in-person voting at the meeting.

Voting matters and shareholder proposals

• Election of five directors to serve until the next annual meeting or until successors are qualified.

• Non-binding advisory vote to approve executive compensation ("say-on-pay").

• Approval of the 2026 Omnibus Incentive Plan.

• Ratification of RSM US LLP as independent registered public accounting firm for the year ending December 31, 2026.

• Board recommends voting FOR all proposals and nominees.

Board of directors and corporate governance

• Nominees for director positions: Gilbert E. Nathan, Bryon T. McGregor, Dianne S. Nury, Maria G. Gray, and Alan R. Tank.

• Directors to serve until the next annual meeting or until successors are elected and qualified.