T3 Defense Inc.

During the quarter ended June 30, 2026, no director or officer adopted orterminated (i) any contract, instruction or written plan for the purchase or sale of securities of the Company intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) or (ii) any “non-Rule 10b5-1 trading arrangement” as defined in paragraph (c) of item 408 of Regulation S-K.

On August 11, 2026, Roy Cohen, our Chief Financial Officer as of June 11, 2026, announced that he will be resigning as of September 10, 2026. Mr. Cohen’s resignation was not the result of any dispute or disagreement relating to the Company’s operations, policies or practices.

Availability of Information

T3 Defense’s website address is www.t3dfns.com. Investors and others should note that the Company announces material information to its investors using SEC filings, press releases, its investor relations website, public conference calls, webcasts and certain social media channels, including the following LinkedIn account: https://www.linkedin.com/in/mennyshalom/. The Company uses these channels to communicate with investors, customers and the public about the Company, its products and other issues and for complying with its disclosure obligations under Regulation FD. The information on, or that may be accessed through, T3’s website is not incorporated by reference into this Quarterly Report on Form 10-Q and should not be considered a part of this Quarterly Report on Form 10-Q.