144 0001310272 XXXXXXXX LIVE 0001877939 Castellum, Inc. 001-41526 1934 OLD GALLOWS ROAD SUITE 350 VIENNA VA 22182 (703) 752-6157 WRIGHT JAY O Officer Director 10% Stockholder Common First Georgetown Securities, Inc

Diagonal Road, Suite 200 Alexandria VA 22314

500000 490500.00 56109928 03/05/2025 NYSE Common 07/22/2019 Warrant Exercise Company N 500000 07/22/2019 Warrant Exercise Y 03/04/2025 /s/ Carmen Zamores as a duly authorized representative of National Financial Services LLC, as attorney-in-fact for WRIGHT JAY O