DEEP FISSION, INC. (FISN)

We and the underwriters have not authorized anyone to provide any information or to make any representations other than those contained in this prospectus or any amendment or supplement to this prospectus. We and the underwriters take no responsibility for, and cannot assure you as to the reliability of, any other information that others may give you. This prospectus is an offer to sell only the shares of our common stock offered hereby, but only under circumstances and in jurisdictions where it is lawful to do so.