T3 Defense Inc.

An investment in our common stock involves significant risk. We describe the most significant risks that management believes affect or could affect us under Part I, Item 1A “Risk Factors,” in our Annual Report on Form 10-K for the fiscal year end December 31, 2025, as filed with the Securities and Exchange Commission (the “SEC”) on April 9, 2026 (“Annual Report”). There have been no material changes in our risk factors from those previously disclosed in our Annual Report. You should carefully consider the risks described in our Annual Report which could materially affect our business, financial condition or future results. The risks described in our Annual Report are not the only risks we face. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition, and/or operating results. If any of the risks actually occur, our business, financial condition, and/or results of operations could be negatively affected.