X0206 3 2021-10-28 0 0001852016 AltEnergy Acquisition Corp AEAE 0001833275 Stidolph Russell Monoki C/O ALTENERGY, LLC 600 LEXINGTON AVENUE, 9TH FLOOR NEW YORK NY 10022 0 1 0 0 Chief Executive Officer Class B Common Stock Class A Common Stock 5750000 D The shares of Class B common stock will automatically convert into shares of the Issuer's Class A common stock at the time of the Issuer's initial business combination as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-258594) (the "Registration Statement") and have no expiration date. AltEnergy Acquisition Sponsor LLC ("Sponsor") is the record holder of these shares. The Reporting Person is the managing member of AltEnergy, LLC, the managing member of Sponsor and may be deemed to indirectly beneficially own the securities directly held by the Sponsor. The Reporting Person disclaims beneficial ownership of any securities directly held by Sponsor other than to the extent of his pecuniary interest therein, directly or indirectly. /s/ Russell Stidolph 2021-11-08