Certain Class B Common Stock of AltEnergy Acquisition Corp. are subject to a Lock-Up Agreement Ending on 27-APR-2022. These Class B Common Stock will be under lockup for 181 days starting from 28-OCT-2021 to 27-APR-2022.

Details:
The directors and executive officers and holders of substantially all of its stockholders have agreed they will not, subject to certain exceptions offer, sell, contract to sell, pledge or otherwise dispose of, directly or indirectly, any shares of capital stock or any securities convertible into, or exercisable or exchangeable for such capital stock, or publicly announce an intention to effect any such transaction, whether any transaction is to be settled by delivery of common stock or such other securities, in cash or otherwise during the period ending 180 days from the date of this prospectus, without the prior written consent of B. Riley.