On November 7, 2024, Alisher Nurmat announced his intention to retire from his position of Vice President Accounting and Treasurer (and principal accounting officer) of Gevo, Inc. (the Company), effective November 21, 2024. Mr. Nurmat will provide transition assistance to the Company while a new principal accounting officer is put in place. Mr. Nurmat is retiring for personal reasons and not due to any disagreement with the Company on any matter relating to the Company?s operations, polices or practices.

On November 12, 2024, the Board of Directors of the Company appointed Davaajargal (Sylvia) Gendenjamts as Vice President, Accounting and Treasurer of the Company, and also designated Ms. Gendenjamts as the Company?s principal accounting officer for SEC reporting purposes to succeed Mr. Nurmat, effective immediately. Ms. Gendenjamts, age 53, previously served as the Director of Corporate Accounting for Pattern Energy Group from August 2019 to November 2024. Ms. Gendenjamts also previously served in various accounting roles for Hi-Crush Inc., ENGIE North America Inc., Headwaters, Inc. and ISG Resources, Inc. Ms. Gendenjamts holds a master?s degree in accounting from Brigham Young University and is an active Certified Public Accountant in the State of Texas.